X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=source%2FIrrlicht%2FOpenGL%2FDriver.cpp;h=461a2f148d15ae373d186edfeb3aa3701f05fb72;hb=aa1696a7e6a275e613e7323e7f9553b7b7a0b7e0;hp=671f338a1b5616947901ad38d69385738e1d6d3d;hpb=1f750cd7b26348aa799b2ebc9a779f670dba5f4f;p=irrlicht.git diff --git a/source/Irrlicht/OpenGL/Driver.cpp b/source/Irrlicht/OpenGL/Driver.cpp index 671f338..461a2f1 100644 --- a/source/Irrlicht/OpenGL/Driver.cpp +++ b/source/Irrlicht/OpenGL/Driver.cpp @@ -1,2887 +1,2330 @@ -// Copyright (C) 2023 Vitaliy Lobachevskiy -// Copyright (C) 2014 Patryk Nadrowski -// Copyright (C) 2009-2010 Amundis -// This file is part of the "Irrlicht Engine". -// For conditions of distribution and use, see copyright notice in Irrlicht.h - -#include "Driver.h" -#include "CNullDriver.h" -#include "IContextManager.h" - -#include "COpenGLCoreTexture.h" -#include "COpenGLCoreRenderTarget.h" -#include "COpenGLCoreCacheHandler.h" - -#include "MaterialRenderer.h" -#include "FixedPipelineRenderer.h" -#include "Renderer2D.h" - -#include "EVertexAttributes.h" -#include "CImage.h" -#include "os.h" - -#ifdef _IRR_COMPILE_WITH_ANDROID_DEVICE_ -#include "android_native_app_glue.h" -#endif - -#include "mt_opengl.h" - -namespace irr -{ -namespace video -{ - -void APIENTRY COpenGL3Driver::debugCb(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message, const void *userParam) -{ - ((COpenGL3Driver *)userParam)->debugCb(source, type, id, severity, length, message); -} - -void COpenGL3Driver::debugCb(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message) -{ - printf("%04x %04x %x %x %.*s\n", source, type, id, severity, length, message); -} - -COpenGL3Driver::COpenGL3Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager) : - CNullDriver(io, params.WindowSize), COpenGL3ExtensionHandler(), CacheHandler(0), - Params(params), ResetRenderStates(true), LockRenderStateMode(false), AntiAlias(params.AntiAlias), - MaterialRenderer2DActive(0), MaterialRenderer2DTexture(0), MaterialRenderer2DNoTexture(0), - CurrentRenderMode(ERM_NONE), Transformation3DChanged(true), - OGLES2ShaderPath(params.OGLES2ShaderPath), - ColorFormat(ECF_R8G8B8), ContextManager(contextManager) -{ -#ifdef _DEBUG - setDebugName("Driver"); -#endif - - if (!ContextManager) - return; - - ContextManager->grab(); - ContextManager->generateSurface(); - ContextManager->generateContext(); - ExposedData = ContextManager->getContext(); - ContextManager->activateContext(ExposedData, false); - GL.LoadAllProcedures(ContextManager); - GL.DebugMessageCallback(debugCb, this); -} - -COpenGL3Driver::~COpenGL3Driver() -{ - deleteMaterialRenders(); - - CacheHandler->getTextureCache().clear(); - - removeAllRenderTargets(); - deleteAllTextures(); - removeAllOcclusionQueries(); - removeAllHardwareBuffers(); - - delete MaterialRenderer2DTexture; - delete MaterialRenderer2DNoTexture; - delete CacheHandler; - - if (ContextManager) - { - ContextManager->destroyContext(); - ContextManager->destroySurface(); - ContextManager->terminate(); - ContextManager->drop(); - } -} - - bool COpenGL3Driver::genericDriverInit(const core::dimension2d& screenSize, bool stencilBuffer) - { - Name = glGetString(GL_VERSION); - printVersion(); - - // print renderer information - VendorName = glGetString(GL_VENDOR); - os::Printer::log(VendorName.c_str(), ELL_INFORMATION); - - // load extensions - initExtensions(); - - // reset cache handler - delete CacheHandler; - CacheHandler = new COpenGL3CacheHandler(this); - - StencilBuffer = stencilBuffer; - - DriverAttributes->setAttribute("MaxTextures", (s32)Feature.MaxTextureUnits); - DriverAttributes->setAttribute("MaxSupportedTextures", (s32)Feature.MaxTextureUnits); -// DriverAttributes->setAttribute("MaxLights", MaxLights); - DriverAttributes->setAttribute("MaxAnisotropy", MaxAnisotropy); -// DriverAttributes->setAttribute("MaxUserClipPlanes", MaxUserClipPlanes); -// DriverAttributes->setAttribute("MaxAuxBuffers", MaxAuxBuffers); -// DriverAttributes->setAttribute("MaxMultipleRenderTargets", MaxMultipleRenderTargets); - DriverAttributes->setAttribute("MaxIndices", (s32)MaxIndices); - DriverAttributes->setAttribute("MaxTextureSize", (s32)MaxTextureSize); - DriverAttributes->setAttribute("MaxTextureLODBias", MaxTextureLODBias); - DriverAttributes->setAttribute("Version", Version); - DriverAttributes->setAttribute("AntiAlias", AntiAlias); - - glPixelStorei(GL_PACK_ALIGNMENT, 1); - - UserClipPlane.reallocate(0); - - for (s32 i = 0; i < ETS_COUNT; ++i) - setTransform(static_cast(i), core::IdentityMatrix); - - setAmbientLight(SColorf(0.0f, 0.0f, 0.0f, 0.0f)); - glClearDepthf(1.0f); - - glHint(GL_GENERATE_MIPMAP_HINT, GL_NICEST); - glFrontFace(GL_CW); - - // create material renderers - createMaterialRenderers(); - - // set the renderstates - setRenderStates3DMode(); - - // set fog mode - setFog(FogColor, FogType, FogStart, FogEnd, FogDensity, PixelFog, RangeFog); - - // create matrix for flipping textures - TextureFlipMatrix.buildTextureTransform(0.0f, core::vector2df(0, 0), core::vector2df(0, 1.0f), core::vector2df(1.0f, -1.0f)); - - // We need to reset once more at the beginning of the first rendering. - // This fixes problems with intermediate changes to the material during texture load. - ResetRenderStates = true; - - testGLError(__LINE__); - - return true; - } - - void COpenGL3Driver::loadShaderData(const io::path& vertexShaderName, const io::path& fragmentShaderName, c8** vertexShaderData, c8** fragmentShaderData) - { - io::path vsPath(OGLES2ShaderPath); - vsPath += vertexShaderName; - - io::path fsPath(OGLES2ShaderPath); - fsPath += fragmentShaderName; - - *vertexShaderData = 0; - *fragmentShaderData = 0; - - io::IReadFile* vsFile = FileSystem->createAndOpenFile(vsPath); - if ( !vsFile ) - { - core::stringw warning(L"Warning: Missing shader files needed to simulate fixed function materials:\n"); - warning += core::stringw(vsPath) + L"\n"; - warning += L"Shaderpath can be changed in SIrrCreationParamters::OGLES2ShaderPath"; - os::Printer::log(warning.c_str(), ELL_WARNING); - return; - } - - io::IReadFile* fsFile = FileSystem->createAndOpenFile(fsPath); - if ( !fsFile ) - { - core::stringw warning(L"Warning: Missing shader files needed to simulate fixed function materials:\n"); - warning += core::stringw(fsPath) + L"\n"; - warning += L"Shaderpath can be changed in SIrrCreationParamters::OGLES2ShaderPath"; - os::Printer::log(warning.c_str(), ELL_WARNING); - return; - } - - long size = vsFile->getSize(); - if (size) - { - *vertexShaderData = new c8[size+1]; - vsFile->read(*vertexShaderData, size); - (*vertexShaderData)[size] = 0; - } - - size = fsFile->getSize(); - if (size) - { - // if both handles are the same we must reset the file - if (fsFile == vsFile) - fsFile->seek(0); - - *fragmentShaderData = new c8[size+1]; - fsFile->read(*fragmentShaderData, size); - (*fragmentShaderData)[size] = 0; - } - - vsFile->drop(); - fsFile->drop(); - } - - void COpenGL3Driver::createMaterialRenderers() - { - // Create callbacks. - - COpenGL3MaterialSolidCB* SolidCB = new COpenGL3MaterialSolidCB(); - COpenGL3MaterialSolid2CB* Solid2LayerCB = new COpenGL3MaterialSolid2CB(); - COpenGL3MaterialLightmapCB* LightmapCB = new COpenGL3MaterialLightmapCB(1.f); - COpenGL3MaterialLightmapCB* LightmapAddCB = new COpenGL3MaterialLightmapCB(1.f); - COpenGL3MaterialLightmapCB* LightmapM2CB = new COpenGL3MaterialLightmapCB(2.f); - COpenGL3MaterialLightmapCB* LightmapM4CB = new COpenGL3MaterialLightmapCB(4.f); - COpenGL3MaterialLightmapCB* LightmapLightingCB = new COpenGL3MaterialLightmapCB(1.f); - COpenGL3MaterialLightmapCB* LightmapLightingM2CB = new COpenGL3MaterialLightmapCB(2.f); - COpenGL3MaterialLightmapCB* LightmapLightingM4CB = new COpenGL3MaterialLightmapCB(4.f); - COpenGL3MaterialSolid2CB* DetailMapCB = new COpenGL3MaterialSolid2CB(); - COpenGL3MaterialReflectionCB* SphereMapCB = new COpenGL3MaterialReflectionCB(); - COpenGL3MaterialReflectionCB* Reflection2LayerCB = new COpenGL3MaterialReflectionCB(); - COpenGL3MaterialSolidCB* TransparentAddColorCB = new COpenGL3MaterialSolidCB(); - COpenGL3MaterialSolidCB* TransparentAlphaChannelCB = new COpenGL3MaterialSolidCB(); - COpenGL3MaterialSolidCB* TransparentAlphaChannelRefCB = new COpenGL3MaterialSolidCB(); - COpenGL3MaterialSolidCB* TransparentVertexAlphaCB = new COpenGL3MaterialSolidCB(); - COpenGL3MaterialReflectionCB* TransparentReflection2LayerCB = new COpenGL3MaterialReflectionCB(); - COpenGL3MaterialOneTextureBlendCB* OneTextureBlendCB = new COpenGL3MaterialOneTextureBlendCB(); - - // Create built-in materials. - - core::stringc VertexShader = OGLES2ShaderPath + "Solid.vsh"; - core::stringc FragmentShader = OGLES2ShaderPath + "Solid.fsh"; - - addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", - EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, SolidCB, EMT_SOLID, 0); - - VertexShader = OGLES2ShaderPath + "Solid2.vsh"; - FragmentShader = OGLES2ShaderPath + "Solid2Layer.fsh"; - - addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", - EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, Solid2LayerCB, EMT_SOLID, 0); - - VertexShader = OGLES2ShaderPath + "Solid2.vsh"; - FragmentShader = OGLES2ShaderPath + "LightmapModulate.fsh"; - - addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", - EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, LightmapCB, EMT_SOLID, 0); - - FragmentShader = OGLES2ShaderPath + "LightmapAdd.fsh"; - - addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", - EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, LightmapAddCB, EMT_SOLID, 0); - - FragmentShader = OGLES2ShaderPath + "LightmapModulate.fsh"; - - addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", - EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, LightmapM2CB, EMT_SOLID, 0); - - addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", - EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, LightmapM4CB, EMT_SOLID, 0); - - addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", - EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, LightmapLightingCB, EMT_SOLID, 0); - - addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", - EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, LightmapLightingM2CB, EMT_SOLID, 0); - - addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", - EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, LightmapLightingM4CB, EMT_SOLID, 0); - - VertexShader = OGLES2ShaderPath + "Solid2.vsh"; - FragmentShader = OGLES2ShaderPath + "DetailMap.fsh"; - - addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", - EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, DetailMapCB, EMT_SOLID, 0); - - VertexShader = OGLES2ShaderPath + "SphereMap.vsh"; - FragmentShader = OGLES2ShaderPath + "SphereMap.fsh"; - - addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", - EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, SphereMapCB, EMT_SOLID, 0); - - VertexShader = OGLES2ShaderPath + "Reflection2Layer.vsh"; - FragmentShader = OGLES2ShaderPath + "Reflection2Layer.fsh"; - - addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", - EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, Reflection2LayerCB, EMT_SOLID, 0); - - VertexShader = OGLES2ShaderPath + "Solid.vsh"; - FragmentShader = OGLES2ShaderPath + "Solid.fsh"; - - addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", - EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, TransparentAddColorCB, EMT_TRANSPARENT_ADD_COLOR, 0); - - FragmentShader = OGLES2ShaderPath + "TransparentAlphaChannel.fsh"; - addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", - EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, TransparentAlphaChannelCB, EMT_TRANSPARENT_ALPHA_CHANNEL, 0); - - FragmentShader = OGLES2ShaderPath + "TransparentAlphaChannelRef.fsh"; - - addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", - EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, TransparentAlphaChannelRefCB, EMT_SOLID, 0); - - FragmentShader = OGLES2ShaderPath + "TransparentVertexAlpha.fsh"; - - addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", - EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, TransparentVertexAlphaCB, EMT_TRANSPARENT_ALPHA_CHANNEL, 0); - - VertexShader = OGLES2ShaderPath + "Reflection2Layer.vsh"; - FragmentShader = OGLES2ShaderPath + "Reflection2Layer.fsh"; - - addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", - EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, TransparentReflection2LayerCB, EMT_TRANSPARENT_ALPHA_CHANNEL, 0); - - VertexShader = OGLES2ShaderPath + "Solid.vsh"; - FragmentShader = OGLES2ShaderPath + "OneTextureBlend.fsh"; - - addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", - EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, OneTextureBlendCB, EMT_ONETEXTURE_BLEND, 0); - - // Drop callbacks. - - SolidCB->drop(); - Solid2LayerCB->drop(); - LightmapCB->drop(); - LightmapAddCB->drop(); - LightmapM2CB->drop(); - LightmapM4CB->drop(); - LightmapLightingCB->drop(); - LightmapLightingM2CB->drop(); - LightmapLightingM4CB->drop(); - DetailMapCB->drop(); - SphereMapCB->drop(); - Reflection2LayerCB->drop(); - TransparentAddColorCB->drop(); - TransparentAlphaChannelCB->drop(); - TransparentAlphaChannelRefCB->drop(); - TransparentVertexAlphaCB->drop(); - TransparentReflection2LayerCB->drop(); - OneTextureBlendCB->drop(); - - // Create 2D material renderers - - c8* vs2DData = 0; - c8* fs2DData = 0; - loadShaderData(io::path("Renderer2D.vsh"), io::path("Renderer2D.fsh"), &vs2DData, &fs2DData); - MaterialRenderer2DTexture = new COpenGL3Renderer2D(vs2DData, fs2DData, this, true); - delete[] vs2DData; - delete[] fs2DData; - vs2DData = 0; - fs2DData = 0; - - loadShaderData(io::path("Renderer2D.vsh"), io::path("Renderer2D_noTex.fsh"), &vs2DData, &fs2DData); - MaterialRenderer2DNoTexture = new COpenGL3Renderer2D(vs2DData, fs2DData, this, false); - delete[] vs2DData; - delete[] fs2DData; - } - - bool COpenGL3Driver::setMaterialTexture(irr::u32 layerIdx, const irr::video::ITexture* texture) - { - Material.TextureLayer[layerIdx].Texture = const_cast(texture); // function uses const-pointer for texture because all draw functions use const-pointers already - return CacheHandler->getTextureCache().set(0, texture); - } - - bool COpenGL3Driver::beginScene(u16 clearFlag, SColor clearColor, f32 clearDepth, u8 clearStencil, const SExposedVideoData& videoData, core::rect* sourceRect) - { - CNullDriver::beginScene(clearFlag, clearColor, clearDepth, clearStencil, videoData, sourceRect); - - if (ContextManager) - ContextManager->activateContext(videoData, true); - - clearBuffers(clearFlag, clearColor, clearDepth, clearStencil); - - return true; - } - - bool COpenGL3Driver::endScene() - { - CNullDriver::endScene(); - - glFlush(); - - if (ContextManager) - return ContextManager->swapBuffers(); - - return false; - } - - - //! Returns the transformation set by setTransform - const core::matrix4& COpenGL3Driver::getTransform(E_TRANSFORMATION_STATE state) const - { - return Matrices[state]; - } - - - //! sets transformation - void COpenGL3Driver::setTransform(E_TRANSFORMATION_STATE state, const core::matrix4& mat) - { - Matrices[state] = mat; - Transformation3DChanged = true; - } - - - bool COpenGL3Driver::updateVertexHardwareBuffer(SHWBufferLink_opengl *HWBuffer) - { - if (!HWBuffer) - return false; - - const scene::IMeshBuffer* mb = HWBuffer->MeshBuffer; - const void* vertices = mb->getVertices(); - const u32 vertexCount = mb->getVertexCount(); - const E_VERTEX_TYPE vType = mb->getVertexType(); - const u32 vertexSize = getVertexPitchFromType(vType); - - const void *buffer = vertices; - size_t bufferSize = vertexSize * vertexCount; - - //get or create buffer - bool newBuffer = false; - if (!HWBuffer->vbo_verticesID) - { - glGenBuffers(1, &HWBuffer->vbo_verticesID); - if (!HWBuffer->vbo_verticesID) return false; - newBuffer = true; - } - else if (HWBuffer->vbo_verticesSize < bufferSize) - { - newBuffer = true; - } - - glBindBuffer(GL_ARRAY_BUFFER, HWBuffer->vbo_verticesID); - - // copy data to graphics card - if (!newBuffer) - glBufferSubData(GL_ARRAY_BUFFER, 0, bufferSize, buffer); - else - { - HWBuffer->vbo_verticesSize = bufferSize; - - if (HWBuffer->Mapped_Vertex == scene::EHM_STATIC) - glBufferData(GL_ARRAY_BUFFER, bufferSize, buffer, GL_STATIC_DRAW); - else - glBufferData(GL_ARRAY_BUFFER, bufferSize, buffer, GL_DYNAMIC_DRAW); - } - - glBindBuffer(GL_ARRAY_BUFFER, 0); - - return (!testGLError(__LINE__)); - } - - - bool COpenGL3Driver::updateIndexHardwareBuffer(SHWBufferLink_opengl *HWBuffer) - { - if (!HWBuffer) - return false; - - const scene::IMeshBuffer* mb = HWBuffer->MeshBuffer; - - const void* indices = mb->getIndices(); - u32 indexCount = mb->getIndexCount(); - - GLenum indexSize; - switch (mb->getIndexType()) - { - case(EIT_16BIT): - { - indexSize = sizeof(u16); - break; - } - case(EIT_32BIT): - { - indexSize = sizeof(u32); - break; - } - default: - { - return false; - } - } - - //get or create buffer - bool newBuffer = false; - if (!HWBuffer->vbo_indicesID) - { - glGenBuffers(1, &HWBuffer->vbo_indicesID); - if (!HWBuffer->vbo_indicesID) return false; - newBuffer = true; - } - else if (HWBuffer->vbo_indicesSize < indexCount*indexSize) - { - newBuffer = true; - } - - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, HWBuffer->vbo_indicesID); - - // copy data to graphics card - if (!newBuffer) - glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, indexCount * indexSize, indices); - else - { - HWBuffer->vbo_indicesSize = indexCount * indexSize; - - if (HWBuffer->Mapped_Index == scene::EHM_STATIC) - glBufferData(GL_ELEMENT_ARRAY_BUFFER, indexCount * indexSize, indices, GL_STATIC_DRAW); - else - glBufferData(GL_ELEMENT_ARRAY_BUFFER, indexCount * indexSize, indices, GL_DYNAMIC_DRAW); - } - - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); - - return (!testGLError(__LINE__)); - } - - - //! updates hardware buffer if needed - bool COpenGL3Driver::updateHardwareBuffer(SHWBufferLink *HWBuffer) - { - if (!HWBuffer) - return false; - - if (HWBuffer->Mapped_Vertex != scene::EHM_NEVER) - { - if (HWBuffer->ChangedID_Vertex != HWBuffer->MeshBuffer->getChangedID_Vertex() - || !static_cast(HWBuffer)->vbo_verticesID) - { - - HWBuffer->ChangedID_Vertex = HWBuffer->MeshBuffer->getChangedID_Vertex(); - - if (!updateVertexHardwareBuffer(static_cast(HWBuffer))) - return false; - } - } - - if (HWBuffer->Mapped_Index != scene::EHM_NEVER) - { - if (HWBuffer->ChangedID_Index != HWBuffer->MeshBuffer->getChangedID_Index() - || !static_cast(HWBuffer)->vbo_indicesID) - { - - HWBuffer->ChangedID_Index = HWBuffer->MeshBuffer->getChangedID_Index(); - - if (!updateIndexHardwareBuffer((SHWBufferLink_opengl*)HWBuffer)) - return false; - } - } - - return true; - } - - - //! Create hardware buffer from meshbuffer - COpenGL3Driver::SHWBufferLink *COpenGL3Driver::createHardwareBuffer(const scene::IMeshBuffer* mb) - { - if (!mb || (mb->getHardwareMappingHint_Index() == scene::EHM_NEVER && mb->getHardwareMappingHint_Vertex() == scene::EHM_NEVER)) - return 0; - - SHWBufferLink_opengl *HWBuffer = new SHWBufferLink_opengl(mb); - - //add to map - HWBuffer->listPosition = HWBufferList.insert(HWBufferList.end(), HWBuffer); - - HWBuffer->ChangedID_Vertex = HWBuffer->MeshBuffer->getChangedID_Vertex(); - HWBuffer->ChangedID_Index = HWBuffer->MeshBuffer->getChangedID_Index(); - HWBuffer->Mapped_Vertex = mb->getHardwareMappingHint_Vertex(); - HWBuffer->Mapped_Index = mb->getHardwareMappingHint_Index(); - HWBuffer->vbo_verticesID = 0; - HWBuffer->vbo_indicesID = 0; - HWBuffer->vbo_verticesSize = 0; - HWBuffer->vbo_indicesSize = 0; - - if (!updateHardwareBuffer(HWBuffer)) - { - deleteHardwareBuffer(HWBuffer); - return 0; - } - - return HWBuffer; - } - - - void COpenGL3Driver::deleteHardwareBuffer(SHWBufferLink *_HWBuffer) - { - if (!_HWBuffer) - return; - - SHWBufferLink_opengl *HWBuffer = static_cast(_HWBuffer); - if (HWBuffer->vbo_verticesID) - { - glDeleteBuffers(1, &HWBuffer->vbo_verticesID); - HWBuffer->vbo_verticesID = 0; - } - if (HWBuffer->vbo_indicesID) - { - glDeleteBuffers(1, &HWBuffer->vbo_indicesID); - HWBuffer->vbo_indicesID = 0; - } - - CNullDriver::deleteHardwareBuffer(_HWBuffer); - } - - - //! Draw hardware buffer - void COpenGL3Driver::drawHardwareBuffer(SHWBufferLink *_HWBuffer) - { - if (!_HWBuffer) - return; - - SHWBufferLink_opengl *HWBuffer = static_cast(_HWBuffer); - - updateHardwareBuffer(HWBuffer); //check if update is needed - - const scene::IMeshBuffer* mb = HWBuffer->MeshBuffer; - const void *vertices = mb->getVertices(); - const void *indexList = mb->getIndices(); - - if (HWBuffer->Mapped_Vertex != scene::EHM_NEVER) - { - glBindBuffer(GL_ARRAY_BUFFER, HWBuffer->vbo_verticesID); - vertices = 0; - } - - if (HWBuffer->Mapped_Index != scene::EHM_NEVER) - { - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, HWBuffer->vbo_indicesID); - indexList = 0; - } - - - drawVertexPrimitiveList(vertices, mb->getVertexCount(), - indexList, mb->getPrimitiveCount(), - mb->getVertexType(), mb->getPrimitiveType(), - mb->getIndexType()); - - if (HWBuffer->Mapped_Vertex != scene::EHM_NEVER) - glBindBuffer(GL_ARRAY_BUFFER, 0); - - if (HWBuffer->Mapped_Index != scene::EHM_NEVER) - glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); - } - - - IRenderTarget* COpenGL3Driver::addRenderTarget() - { - COpenGL3RenderTarget* renderTarget = new COpenGL3RenderTarget(this); - RenderTargets.push_back(renderTarget); - - return renderTarget; - } - - - // small helper function to create vertex buffer object adress offsets - static inline u8* buffer_offset(const long offset) - { - return ((u8*)0 + offset); - } - - - //! draws a vertex primitive list - void COpenGL3Driver::drawVertexPrimitiveList(const void* vertices, u32 vertexCount, - const void* indexList, u32 primitiveCount, - E_VERTEX_TYPE vType, scene::E_PRIMITIVE_TYPE pType, E_INDEX_TYPE iType) - { - if (!primitiveCount || !vertexCount) - return; - - if (!checkPrimitiveCount(primitiveCount)) - return; - - CNullDriver::drawVertexPrimitiveList(vertices, vertexCount, indexList, primitiveCount, vType, pType, iType); - - setRenderStates3DMode(); - - glEnableVertexAttribArray(EVA_POSITION); - glEnableVertexAttribArray(EVA_COLOR); - glEnableVertexAttribArray(EVA_NORMAL); - glEnableVertexAttribArray(EVA_TCOORD0); - - switch (vType) - { - case EVT_STANDARD: - if (vertices) - { - glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(S3DVertex), &(static_cast(vertices))[0].Pos); - glVertexAttribPointer(EVA_NORMAL, 3, GL_FLOAT, false, sizeof(S3DVertex), &(static_cast(vertices))[0].Normal); - glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertex), &(static_cast(vertices))[0].Color); - glVertexAttribPointer(EVA_TCOORD0, 2, GL_FLOAT, false, sizeof(S3DVertex), &(static_cast(vertices))[0].TCoords); - } - else - { - glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(S3DVertex), 0); - glVertexAttribPointer(EVA_NORMAL, 3, GL_FLOAT, false, sizeof(S3DVertex), buffer_offset(12)); - glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertex), buffer_offset(24)); - glVertexAttribPointer(EVA_TCOORD0, 2, GL_FLOAT, false, sizeof(S3DVertex), buffer_offset(28)); - } - - break; - case EVT_2TCOORDS: - glEnableVertexAttribArray(EVA_TCOORD1); - - if (vertices) - { - glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(S3DVertex2TCoords), &(static_cast(vertices))[0].Pos); - glVertexAttribPointer(EVA_NORMAL, 3, GL_FLOAT, false, sizeof(S3DVertex2TCoords), &(static_cast(vertices))[0].Normal); - glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertex2TCoords), &(static_cast(vertices))[0].Color); - glVertexAttribPointer(EVA_TCOORD0, 2, GL_FLOAT, false, sizeof(S3DVertex2TCoords), &(static_cast(vertices))[0].TCoords); - glVertexAttribPointer(EVA_TCOORD1, 2, GL_FLOAT, false, sizeof(S3DVertex2TCoords), &(static_cast(vertices))[0].TCoords2); - } - else - { - glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(S3DVertex2TCoords), buffer_offset(0)); - glVertexAttribPointer(EVA_NORMAL, 3, GL_FLOAT, false, sizeof(S3DVertex2TCoords), buffer_offset(12)); - glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertex2TCoords), buffer_offset(24)); - glVertexAttribPointer(EVA_TCOORD0, 2, GL_FLOAT, false, sizeof(S3DVertex2TCoords), buffer_offset(28)); - glVertexAttribPointer(EVA_TCOORD1, 2, GL_FLOAT, false, sizeof(S3DVertex2TCoords), buffer_offset(36)); - } - break; - case EVT_TANGENTS: - glEnableVertexAttribArray(EVA_TANGENT); - glEnableVertexAttribArray(EVA_BINORMAL); - - if (vertices) - { - glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(S3DVertexTangents), &(static_cast(vertices))[0].Pos); - glVertexAttribPointer(EVA_NORMAL, 3, GL_FLOAT, false, sizeof(S3DVertexTangents), &(static_cast(vertices))[0].Normal); - glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertexTangents), &(static_cast(vertices))[0].Color); - glVertexAttribPointer(EVA_TCOORD0, 2, GL_FLOAT, false, sizeof(S3DVertexTangents), &(static_cast(vertices))[0].TCoords); - glVertexAttribPointer(EVA_TANGENT, 3, GL_FLOAT, false, sizeof(S3DVertexTangents), &(static_cast(vertices))[0].Tangent); - glVertexAttribPointer(EVA_BINORMAL, 3, GL_FLOAT, false, sizeof(S3DVertexTangents), &(static_cast(vertices))[0].Binormal); - } - else - { - glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(S3DVertexTangents), buffer_offset(0)); - glVertexAttribPointer(EVA_NORMAL, 3, GL_FLOAT, false, sizeof(S3DVertexTangents), buffer_offset(12)); - glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertexTangents), buffer_offset(24)); - glVertexAttribPointer(EVA_TCOORD0, 2, GL_FLOAT, false, sizeof(S3DVertexTangents), buffer_offset(28)); - glVertexAttribPointer(EVA_TANGENT, 3, GL_FLOAT, false, sizeof(S3DVertexTangents), buffer_offset(36)); - glVertexAttribPointer(EVA_BINORMAL, 3, GL_FLOAT, false, sizeof(S3DVertexTangents), buffer_offset(48)); - } - break; - } - - GLenum indexSize = 0; - - switch (iType) - { - case(EIT_16BIT): - { - indexSize = GL_UNSIGNED_SHORT; - break; - } - case(EIT_32BIT): - { -#ifdef GL_OES_element_index_uint -#ifndef GL_UNSIGNED_INT -#define GL_UNSIGNED_INT 0x1405 -#endif - if (FeatureAvailable[COGLESCoreExtensionHandler::IRR_GL_OES_element_index_uint]) - indexSize = GL_UNSIGNED_INT; - else -#endif - indexSize = GL_UNSIGNED_SHORT; - break; - } - } - - switch (pType) - { - case scene::EPT_POINTS: - case scene::EPT_POINT_SPRITES: - glDrawArrays(GL_POINTS, 0, primitiveCount); - break; - case scene::EPT_LINE_STRIP: - glDrawElements(GL_LINE_STRIP, primitiveCount + 1, indexSize, indexList); - break; - case scene::EPT_LINE_LOOP: - glDrawElements(GL_LINE_LOOP, primitiveCount, indexSize, indexList); - break; - case scene::EPT_LINES: - glDrawElements(GL_LINES, primitiveCount*2, indexSize, indexList); - break; - case scene::EPT_TRIANGLE_STRIP: - glDrawElements(GL_TRIANGLE_STRIP, primitiveCount + 2, indexSize, indexList); - break; - case scene::EPT_TRIANGLE_FAN: - glDrawElements(GL_TRIANGLE_FAN, primitiveCount + 2, indexSize, indexList); - break; - case scene::EPT_TRIANGLES: - glDrawElements((LastMaterial.Wireframe) ? GL_LINES : (LastMaterial.PointCloud) ? GL_POINTS : GL_TRIANGLES, primitiveCount*3, indexSize, indexList); - break; - default: - break; - } - - switch (vType) - { - case EVT_2TCOORDS: - glDisableVertexAttribArray(EVA_TCOORD1); - break; - case EVT_TANGENTS: - glDisableVertexAttribArray(EVA_TANGENT); - glDisableVertexAttribArray(EVA_BINORMAL); - break; - default: - break; - } - - glDisableVertexAttribArray(EVA_POSITION); - glDisableVertexAttribArray(EVA_NORMAL); - glDisableVertexAttribArray(EVA_COLOR); - glDisableVertexAttribArray(EVA_TCOORD0); - } - - - void COpenGL3Driver::draw2DImage(const video::ITexture* texture, const core::position2d& destPos, - const core::rect& sourceRect, const core::rect* clipRect, SColor color, - bool useAlphaChannelOfTexture) - { - if (!texture) - return; - - if (!sourceRect.isValid()) - return; - - core::position2d targetPos(destPos); - core::position2d sourcePos(sourceRect.UpperLeftCorner); - core::dimension2d sourceSize(sourceRect.getSize()); - if (clipRect) - { - if (targetPos.X < clipRect->UpperLeftCorner.X) - { - sourceSize.Width += targetPos.X - clipRect->UpperLeftCorner.X; - if (sourceSize.Width <= 0) - return; - - sourcePos.X -= targetPos.X - clipRect->UpperLeftCorner.X; - targetPos.X = clipRect->UpperLeftCorner.X; - } - - if (targetPos.X + sourceSize.Width > clipRect->LowerRightCorner.X) - { - sourceSize.Width -= (targetPos.X + sourceSize.Width) - clipRect->LowerRightCorner.X; - if (sourceSize.Width <= 0) - return; - } - - if (targetPos.Y < clipRect->UpperLeftCorner.Y) - { - sourceSize.Height += targetPos.Y - clipRect->UpperLeftCorner.Y; - if (sourceSize.Height <= 0) - return; - - sourcePos.Y -= targetPos.Y - clipRect->UpperLeftCorner.Y; - targetPos.Y = clipRect->UpperLeftCorner.Y; - } - - if (targetPos.Y + sourceSize.Height > clipRect->LowerRightCorner.Y) - { - sourceSize.Height -= (targetPos.Y + sourceSize.Height) - clipRect->LowerRightCorner.Y; - if (sourceSize.Height <= 0) - return; - } - } - - // clip these coordinates - - if (targetPos.X < 0) - { - sourceSize.Width += targetPos.X; - if (sourceSize.Width <= 0) - return; - - sourcePos.X -= targetPos.X; - targetPos.X = 0; - } - - const core::dimension2d& renderTargetSize = getCurrentRenderTargetSize(); - - if (targetPos.X + sourceSize.Width > (s32)renderTargetSize.Width) - { - sourceSize.Width -= (targetPos.X + sourceSize.Width) - renderTargetSize.Width; - if (sourceSize.Width <= 0) - return; - } - - if (targetPos.Y < 0) - { - sourceSize.Height += targetPos.Y; - if (sourceSize.Height <= 0) - return; - - sourcePos.Y -= targetPos.Y; - targetPos.Y = 0; - } - - if (targetPos.Y + sourceSize.Height > (s32)renderTargetSize.Height) - { - sourceSize.Height -= (targetPos.Y + sourceSize.Height) - renderTargetSize.Height; - if (sourceSize.Height <= 0) - return; - } - - // ok, we've clipped everything. - // now draw it. - - // texcoords need to be flipped horizontally for RTTs - const bool isRTT = texture->isRenderTarget(); - const core::dimension2d& ss = texture->getOriginalSize(); - const f32 invW = 1.f / static_cast(ss.Width); - const f32 invH = 1.f / static_cast(ss.Height); - const core::rect tcoords( - sourcePos.X * invW, - (isRTT ? (sourcePos.Y + sourceSize.Height) : sourcePos.Y) * invH, - (sourcePos.X + sourceSize.Width) * invW, - (isRTT ? sourcePos.Y : (sourcePos.Y + sourceSize.Height)) * invH); - - const core::rect poss(targetPos, sourceSize); - - chooseMaterial2D(); - if (!setMaterialTexture(0, texture )) - return; - - setRenderStates2DMode(color.getAlpha() < 255, true, useAlphaChannelOfTexture); - - f32 left = (f32)poss.UpperLeftCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f; - f32 right = (f32)poss.LowerRightCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f; - f32 down = 2.f - (f32)poss.LowerRightCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f; - f32 top = 2.f - (f32)poss.UpperLeftCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f; - - u16 indices[] = {0, 1, 2, 3}; - S3DVertex vertices[4]; - vertices[0] = S3DVertex(left, top, 0, 0, 0, 1, color, tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y); - vertices[1] = S3DVertex(right, top, 0, 0, 0, 1, color, tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y); - vertices[2] = S3DVertex(right, down, 0, 0, 0, 1, color, tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y); - vertices[3] = S3DVertex(left, down, 0, 0, 0, 1, color, tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y); - - glEnableVertexAttribArray(EVA_POSITION); - glEnableVertexAttribArray(EVA_COLOR); - glEnableVertexAttribArray(EVA_TCOORD0); - glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(S3DVertex), &(static_cast(vertices))[0].Pos); - glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertex), &(static_cast(vertices))[0].Color); - glVertexAttribPointer(EVA_TCOORD0, 2, GL_FLOAT, false, sizeof(S3DVertex), &(static_cast(vertices))[0].TCoords); - glDrawElements(GL_TRIANGLE_FAN, 4, GL_UNSIGNED_SHORT, indices); - glDisableVertexAttribArray(EVA_TCOORD0); - glDisableVertexAttribArray(EVA_COLOR); - glDisableVertexAttribArray(EVA_POSITION); - } - - - void COpenGL3Driver::draw2DImage(const video::ITexture* texture, const core::rect& destRect, - const core::rect& sourceRect, const core::rect* clipRect, - const video::SColor* const colors, bool useAlphaChannelOfTexture) - { - if (!texture) - return; - - // texcoords need to be flipped horizontally for RTTs - const bool isRTT = texture->isRenderTarget(); - const core::dimension2du& ss = texture->getOriginalSize(); - const f32 invW = 1.f / static_cast(ss.Width); - const f32 invH = 1.f / static_cast(ss.Height); - const core::rect tcoords( - sourceRect.UpperLeftCorner.X * invW, - (isRTT ? sourceRect.LowerRightCorner.Y : sourceRect.UpperLeftCorner.Y) * invH, - sourceRect.LowerRightCorner.X * invW, - (isRTT ? sourceRect.UpperLeftCorner.Y : sourceRect.LowerRightCorner.Y) *invH); - - const video::SColor temp[4] = - { - 0xFFFFFFFF, - 0xFFFFFFFF, - 0xFFFFFFFF, - 0xFFFFFFFF - }; - - const video::SColor* const useColor = colors ? colors : temp; - - chooseMaterial2D(); - if (!setMaterialTexture(0, texture )) - return; - - setRenderStates2DMode(useColor[0].getAlpha() < 255 || useColor[1].getAlpha() < 255 || - useColor[2].getAlpha() < 255 || useColor[3].getAlpha() < 255, - true, useAlphaChannelOfTexture); - - const core::dimension2d& renderTargetSize = getCurrentRenderTargetSize(); - - if (clipRect) - { - if (!clipRect->isValid()) - return; - - glEnable(GL_SCISSOR_TEST); - glScissor(clipRect->UpperLeftCorner.X, renderTargetSize.Height - clipRect->LowerRightCorner.Y, - clipRect->getWidth(), clipRect->getHeight()); - } - - f32 left = (f32)destRect.UpperLeftCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f; - f32 right = (f32)destRect.LowerRightCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f; - f32 down = 2.f - (f32)destRect.LowerRightCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f; - f32 top = 2.f - (f32)destRect.UpperLeftCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f; - - u16 indices[] = { 0, 1, 2, 3 }; - S3DVertex vertices[4]; - vertices[0] = S3DVertex(left, top, 0, 0, 0, 1, useColor[0], tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y); - vertices[1] = S3DVertex(right, top, 0, 0, 0, 1, useColor[3], tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y); - vertices[2] = S3DVertex(right, down, 0, 0, 0, 1, useColor[2], tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y); - vertices[3] = S3DVertex(left, down, 0, 0, 0, 1, useColor[1], tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y); - - glEnableVertexAttribArray(EVA_POSITION); - glEnableVertexAttribArray(EVA_COLOR); - glEnableVertexAttribArray(EVA_TCOORD0); - glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(S3DVertex), &(static_cast(vertices))[0].Pos); - glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertex), &(static_cast(vertices))[0].Color); - glVertexAttribPointer(EVA_TCOORD0, 2, GL_FLOAT, false, sizeof(S3DVertex), &(static_cast(vertices))[0].TCoords); - glDrawElements(GL_TRIANGLE_FAN, 4, GL_UNSIGNED_SHORT, indices); - glDisableVertexAttribArray(EVA_TCOORD0); - glDisableVertexAttribArray(EVA_COLOR); - glDisableVertexAttribArray(EVA_POSITION); - - if (clipRect) - glDisable(GL_SCISSOR_TEST); - - testGLError(__LINE__); - } - - void COpenGL3Driver::draw2DImage(const video::ITexture* texture, u32 layer, bool flip) - { - if (!texture) - return; - - chooseMaterial2D(); - if (!setMaterialTexture(0, texture )) - return; - - setRenderStates2DMode(false, true, true); - - u16 quad2DIndices[] = { 0, 1, 2, 3 }; - S3DVertex quad2DVertices[4]; - - quad2DVertices[0].Pos = core::vector3df(-1.f, 1.f, 0.f); - quad2DVertices[1].Pos = core::vector3df(1.f, 1.f, 0.f); - quad2DVertices[2].Pos = core::vector3df(1.f, -1.f, 0.f); - quad2DVertices[3].Pos = core::vector3df(-1.f, -1.f, 0.f); - - f32 modificator = (flip) ? 1.f : 0.f; - - quad2DVertices[0].TCoords = core::vector2df(0.f, 0.f + modificator); - quad2DVertices[1].TCoords = core::vector2df(1.f, 0.f + modificator); - quad2DVertices[2].TCoords = core::vector2df(1.f, 1.f - modificator); - quad2DVertices[3].TCoords = core::vector2df(0.f, 1.f - modificator); - - quad2DVertices[0].Color = SColor(0xFFFFFFFF); - quad2DVertices[1].Color = SColor(0xFFFFFFFF); - quad2DVertices[2].Color = SColor(0xFFFFFFFF); - quad2DVertices[3].Color = SColor(0xFFFFFFFF); - - glEnableVertexAttribArray(EVA_POSITION); - glEnableVertexAttribArray(EVA_COLOR); - glEnableVertexAttribArray(EVA_TCOORD0); - glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(S3DVertex), &(static_cast(quad2DVertices))[0].Pos); - glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertex), &(static_cast(quad2DVertices))[0].Color); - glVertexAttribPointer(EVA_TCOORD0, 2, GL_FLOAT, false, sizeof(S3DVertex), &(static_cast(quad2DVertices))[0].TCoords); - glDrawElements(GL_TRIANGLE_FAN, 4, GL_UNSIGNED_SHORT, quad2DIndices); - glDisableVertexAttribArray(EVA_TCOORD0); - glDisableVertexAttribArray(EVA_COLOR); - glDisableVertexAttribArray(EVA_POSITION); - } - - - void COpenGL3Driver::draw2DImageBatch(const video::ITexture* texture, - const core::array >& positions, - const core::array >& sourceRects, - const core::rect* clipRect, - SColor color, bool useAlphaChannelOfTexture) - { - if (!texture) - return; - - const irr::u32 drawCount = core::min_(positions.size(), sourceRects.size()); - - core::array vtx(drawCount * 4); - core::array indices(drawCount * 6); - - for (u32 i = 0; i < drawCount; i++) - { - core::position2d targetPos = positions[i]; - core::position2d sourcePos = sourceRects[i].UpperLeftCorner; - // This needs to be signed as it may go negative. - core::dimension2d sourceSize(sourceRects[i].getSize()); - - if (clipRect) - { - if (targetPos.X < clipRect->UpperLeftCorner.X) - { - sourceSize.Width += targetPos.X - clipRect->UpperLeftCorner.X; - if (sourceSize.Width <= 0) - continue; - - sourcePos.X -= targetPos.X - clipRect->UpperLeftCorner.X; - targetPos.X = clipRect->UpperLeftCorner.X; - } - - if (targetPos.X + (s32)sourceSize.Width > clipRect->LowerRightCorner.X) - { - sourceSize.Width -= (targetPos.X + sourceSize.Width) - clipRect->LowerRightCorner.X; - if (sourceSize.Width <= 0) - continue; - } - - if (targetPos.Y < clipRect->UpperLeftCorner.Y) - { - sourceSize.Height += targetPos.Y - clipRect->UpperLeftCorner.Y; - if (sourceSize.Height <= 0) - continue; - - sourcePos.Y -= targetPos.Y - clipRect->UpperLeftCorner.Y; - targetPos.Y = clipRect->UpperLeftCorner.Y; - } - - if (targetPos.Y + (s32)sourceSize.Height > clipRect->LowerRightCorner.Y) - { - sourceSize.Height -= (targetPos.Y + sourceSize.Height) - clipRect->LowerRightCorner.Y; - if (sourceSize.Height <= 0) - continue; - } - } - - // clip these coordinates - - if (targetPos.X < 0) - { - sourceSize.Width += targetPos.X; - if (sourceSize.Width <= 0) - continue; - - sourcePos.X -= targetPos.X; - targetPos.X = 0; - } - - const core::dimension2d& renderTargetSize = getCurrentRenderTargetSize(); - - if (targetPos.X + sourceSize.Width > (s32)renderTargetSize.Width) - { - sourceSize.Width -= (targetPos.X + sourceSize.Width) - renderTargetSize.Width; - if (sourceSize.Width <= 0) - continue; - } - - if (targetPos.Y < 0) - { - sourceSize.Height += targetPos.Y; - if (sourceSize.Height <= 0) - continue; - - sourcePos.Y -= targetPos.Y; - targetPos.Y = 0; - } - - if (targetPos.Y + sourceSize.Height > (s32)renderTargetSize.Height) - { - sourceSize.Height -= (targetPos.Y + sourceSize.Height) - renderTargetSize.Height; - if (sourceSize.Height <= 0) - continue; - } - - // ok, we've clipped everything. - // now draw it. - - core::rect tcoords; - tcoords.UpperLeftCorner.X = (((f32)sourcePos.X)) / texture->getOriginalSize().Width ; - tcoords.UpperLeftCorner.Y = (((f32)sourcePos.Y)) / texture->getOriginalSize().Height; - tcoords.LowerRightCorner.X = tcoords.UpperLeftCorner.X + ((f32)(sourceSize.Width) / texture->getOriginalSize().Width); - tcoords.LowerRightCorner.Y = tcoords.UpperLeftCorner.Y + ((f32)(sourceSize.Height) / texture->getOriginalSize().Height); - - const core::rect poss(targetPos, sourceSize); - - chooseMaterial2D(); - if (!setMaterialTexture(0, texture)) - return; - - setRenderStates2DMode(color.getAlpha() < 255, true, useAlphaChannelOfTexture); - - f32 left = (f32)poss.UpperLeftCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f; - f32 right = (f32)poss.LowerRightCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f; - f32 down = 2.f - (f32)poss.LowerRightCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f; - f32 top = 2.f - (f32)poss.UpperLeftCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f; - - vtx.push_back(S3DVertex(left, top, 0.0f, - 0.0f, 0.0f, 0.0f, color, - tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y)); - vtx.push_back(S3DVertex(right, top, 0.0f, - 0.0f, 0.0f, 0.0f, color, - tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y)); - vtx.push_back(S3DVertex(right, down, 0.0f, - 0.0f, 0.0f, 0.0f, color, - tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y)); - vtx.push_back(S3DVertex(left, down, 0.0f, - 0.0f, 0.0f, 0.0f, color, - tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y)); - - const u32 curPos = vtx.size() - 4; - indices.push_back(0 + curPos); - indices.push_back(1 + curPos); - indices.push_back(2 + curPos); - - indices.push_back(0 + curPos); - indices.push_back(2 + curPos); - indices.push_back(3 + curPos); - } - - if (vtx.size()) - { - glEnableVertexAttribArray(EVA_POSITION); - glEnableVertexAttribArray(EVA_COLOR); - glEnableVertexAttribArray(EVA_TCOORD0); - glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(S3DVertex), &vtx[0].Pos); - glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertex), &vtx[0].Color); - glVertexAttribPointer(EVA_TCOORD0, 2, GL_FLOAT, false, sizeof(S3DVertex), &vtx[0].TCoords); - glDrawElements(GL_TRIANGLES, indices.size(), GL_UNSIGNED_SHORT, indices.pointer()); - glDisableVertexAttribArray(EVA_TCOORD0); - glDisableVertexAttribArray(EVA_COLOR); - glDisableVertexAttribArray(EVA_POSITION); - } - } - - - //! draws a set of 2d images, using a color and the alpha channel - void COpenGL3Driver::draw2DImageBatch(const video::ITexture* texture, - const core::position2d& pos, - const core::array >& sourceRects, - const core::array& indices, s32 kerningWidth, - const core::rect* clipRect, SColor color, - bool useAlphaChannelOfTexture) - { - if (!texture) - return; - - chooseMaterial2D(); - if (!setMaterialTexture(0, texture)) - return; - - setRenderStates2DMode(color.getAlpha() < 255, true, useAlphaChannelOfTexture); - - const core::dimension2d& renderTargetSize = getCurrentRenderTargetSize(); - - if (clipRect) - { - if (!clipRect->isValid()) - return; - - glEnable(GL_SCISSOR_TEST); - glScissor(clipRect->UpperLeftCorner.X, renderTargetSize.Height - clipRect->LowerRightCorner.Y, - clipRect->getWidth(), clipRect->getHeight()); - } - - const core::dimension2du& ss = texture->getOriginalSize(); - core::position2d targetPos(pos); - // texcoords need to be flipped horizontally for RTTs - const bool isRTT = texture->isRenderTarget(); - const f32 invW = 1.f / static_cast(ss.Width); - const f32 invH = 1.f / static_cast(ss.Height); - - core::array vertices; - core::array quadIndices; - vertices.reallocate(indices.size()*4); - quadIndices.reallocate(indices.size()*3); - - for (u32 i = 0; i < indices.size(); ++i) - { - const s32 currentIndex = indices[i]; - if (!sourceRects[currentIndex].isValid()) - break; - - const core::rect tcoords( - sourceRects[currentIndex].UpperLeftCorner.X * invW, - (isRTT ? sourceRects[currentIndex].LowerRightCorner.Y : sourceRects[currentIndex].UpperLeftCorner.Y) * invH, - sourceRects[currentIndex].LowerRightCorner.X * invW, - (isRTT ? sourceRects[currentIndex].UpperLeftCorner.Y : sourceRects[currentIndex].LowerRightCorner.Y) * invH); - - const core::rect poss(targetPos, sourceRects[currentIndex].getSize()); - - f32 left = (f32)poss.UpperLeftCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f; - f32 right = (f32)poss.LowerRightCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f; - f32 down = 2.f - (f32)poss.LowerRightCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f; - f32 top = 2.f - (f32)poss.UpperLeftCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f; - - const u32 vstart = vertices.size(); - vertices.push_back(S3DVertex(left, top, 0, 0, 0, 1, color, tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y)); - vertices.push_back(S3DVertex(right, top, 0, 0, 0, 1, color, tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y)); - vertices.push_back(S3DVertex(right, down, 0, 0, 0, 1, color, tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y)); - vertices.push_back(S3DVertex(left, down, 0, 0, 0, 1, color, tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y)); - quadIndices.push_back(vstart); - quadIndices.push_back(vstart+1); - quadIndices.push_back(vstart+2); - quadIndices.push_back(vstart); - quadIndices.push_back(vstart+2); - quadIndices.push_back(vstart+3); - - targetPos.X += sourceRects[currentIndex].getWidth(); - } - - if (vertices.size()) - { - glEnableVertexAttribArray(EVA_POSITION); - glEnableVertexAttribArray(EVA_COLOR); - glEnableVertexAttribArray(EVA_TCOORD0); - glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(S3DVertex), &vertices[0].Pos); - glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertex), &vertices[0].Color); - glVertexAttribPointer(EVA_TCOORD0, 2, GL_FLOAT, false, sizeof(S3DVertex), &vertices[0].TCoords); - glDrawElements(GL_TRIANGLES, quadIndices.size(), GL_UNSIGNED_SHORT, quadIndices.pointer()); - glDisableVertexAttribArray(EVA_TCOORD0); - glDisableVertexAttribArray(EVA_COLOR); - glDisableVertexAttribArray(EVA_POSITION); - } - - if (clipRect) - glDisable(GL_SCISSOR_TEST); - - testGLError(__LINE__); - } - - - //! draw a 2d rectangle - void COpenGL3Driver::draw2DRectangle(SColor color, - const core::rect& position, - const core::rect* clip) - { - chooseMaterial2D(); - setMaterialTexture(0, 0); - - setRenderStates2DMode(color.getAlpha() < 255, false, false); - - core::rect pos = position; - - if (clip) - pos.clipAgainst(*clip); - - if (!pos.isValid()) - return; - - const core::dimension2d& renderTargetSize = getCurrentRenderTargetSize(); - - f32 left = (f32)pos.UpperLeftCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f; - f32 right = (f32)pos.LowerRightCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f; - f32 down = 2.f - (f32)pos.LowerRightCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f; - f32 top = 2.f - (f32)pos.UpperLeftCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f; - - u16 indices[] = {0, 1, 2, 3}; - S3DVertex vertices[4]; - vertices[0] = S3DVertex(left, top, 0, 0, 0, 1, color, 0, 0); - vertices[1] = S3DVertex(right, top, 0, 0, 0, 1, color, 0, 0); - vertices[2] = S3DVertex(right, down, 0, 0, 0, 1, color, 0, 0); - vertices[3] = S3DVertex(left, down, 0, 0, 0, 1, color, 0, 0); - - glEnableVertexAttribArray(EVA_POSITION); - glEnableVertexAttribArray(EVA_COLOR); - glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(S3DVertex), &(static_cast(vertices))[0].Pos); - glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertex), &(static_cast(vertices))[0].Color); - glDrawElements(GL_TRIANGLE_FAN, 4, GL_UNSIGNED_SHORT, indices); - glDisableVertexAttribArray(EVA_COLOR); - glDisableVertexAttribArray(EVA_POSITION); - } - - - //! draw an 2d rectangle - void COpenGL3Driver::draw2DRectangle(const core::rect& position, - SColor colorLeftUp, SColor colorRightUp, - SColor colorLeftDown, SColor colorRightDown, - const core::rect* clip) - { - core::rect pos = position; - - if (clip) - pos.clipAgainst(*clip); - - if (!pos.isValid()) - return; - - chooseMaterial2D(); - setMaterialTexture(0, 0); - - setRenderStates2DMode(colorLeftUp.getAlpha() < 255 || - colorRightUp.getAlpha() < 255 || - colorLeftDown.getAlpha() < 255 || - colorRightDown.getAlpha() < 255, false, false); - - const core::dimension2d& renderTargetSize = getCurrentRenderTargetSize(); - - f32 left = (f32)pos.UpperLeftCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f; - f32 right = (f32)pos.LowerRightCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f; - f32 down = 2.f - (f32)pos.LowerRightCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f; - f32 top = 2.f - (f32)pos.UpperLeftCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f; - - u16 indices[] = {0, 1, 2, 3}; - S3DVertex vertices[4]; - vertices[0] = S3DVertex(left, top, 0, 0, 0, 1, colorLeftUp, 0, 0); - vertices[1] = S3DVertex(right, top, 0, 0, 0, 1, colorRightUp, 0, 0); - vertices[2] = S3DVertex(right, down, 0, 0, 0, 1, colorRightDown, 0, 0); - vertices[3] = S3DVertex(left, down, 0, 0, 0, 1, colorLeftDown, 0, 0); - - glEnableVertexAttribArray(EVA_POSITION); - glEnableVertexAttribArray(EVA_COLOR); - glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(S3DVertex), &(static_cast(vertices))[0].Pos); - glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertex), &(static_cast(vertices))[0].Color); - glDrawElements(GL_TRIANGLE_FAN, 4, GL_UNSIGNED_SHORT, indices); - glDisableVertexAttribArray(EVA_COLOR); - glDisableVertexAttribArray(EVA_POSITION); - } - - - //! Draws a 2d line. - void COpenGL3Driver::draw2DLine(const core::position2d& start, - const core::position2d& end, SColor color) - { - if (start==end) - drawPixel(start.X, start.Y, color); - else - { - chooseMaterial2D(); - setMaterialTexture(0, 0); - - setRenderStates2DMode(color.getAlpha() < 255, false, false); - - const core::dimension2d& renderTargetSize = getCurrentRenderTargetSize(); - - f32 startX = (f32)start.X / (f32)renderTargetSize.Width * 2.f - 1.f; - f32 endX = (f32)end.X / (f32)renderTargetSize.Width * 2.f - 1.f; - f32 startY = 2.f - (f32)start.Y / (f32)renderTargetSize.Height * 2.f - 1.f; - f32 endY = 2.f - (f32)end.Y / (f32)renderTargetSize.Height * 2.f - 1.f; - - u16 indices[] = {0, 1}; - S3DVertex vertices[2]; - vertices[0] = S3DVertex(startX, startY, 0, 0, 0, 1, color, 0, 0); - vertices[1] = S3DVertex(endX, endY, 0, 0, 0, 1, color, 1, 1); - - glEnableVertexAttribArray(EVA_POSITION); - glEnableVertexAttribArray(EVA_COLOR); - glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(S3DVertex), &(static_cast(vertices))[0].Pos); - glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertex), &(static_cast(vertices))[0].Color); - glDrawElements(GL_LINES, 2, GL_UNSIGNED_SHORT, indices); - glDisableVertexAttribArray(EVA_COLOR); - glDisableVertexAttribArray(EVA_POSITION); - } - } - - - //! Draws a pixel - void COpenGL3Driver::drawPixel(u32 x, u32 y, const SColor &color) - { - const core::dimension2d& renderTargetSize = getCurrentRenderTargetSize(); - if (x > (u32)renderTargetSize.Width || y > (u32)renderTargetSize.Height) - return; - - chooseMaterial2D(); - setMaterialTexture(0, 0); - - setRenderStates2DMode(color.getAlpha() < 255, false, false); - - f32 X = (f32)x / (f32)renderTargetSize.Width * 2.f - 1.f; - f32 Y = 2.f - (f32)y / (f32)renderTargetSize.Height * 2.f - 1.f; - - S3DVertex vertices[1]; - vertices[0] = S3DVertex(X, Y, 0, 0, 0, 1, color, 0, 0); - - glEnableVertexAttribArray(EVA_POSITION); - glEnableVertexAttribArray(EVA_COLOR); - glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(S3DVertex), &(static_cast(vertices))[0].Pos); - glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertex), &(static_cast(vertices))[0].Color); - glDrawArrays(GL_POINTS, 0, 1); - glDisableVertexAttribArray(EVA_COLOR); - glDisableVertexAttribArray(EVA_POSITION); - } - - ITexture* COpenGL3Driver::createDeviceDependentTexture(const io::path& name, IImage* image) - { - core::array imageArray(1); - imageArray.push_back(image); - - COpenGL3Texture* texture = new COpenGL3Texture(name, imageArray, ETT_2D, this); - - return texture; - } - - ITexture* COpenGL3Driver::createDeviceDependentTextureCubemap(const io::path& name, const core::array& image) - { - COpenGL3Texture* texture = new COpenGL3Texture(name, image, ETT_CUBEMAP, this); - - return texture; - } - - //! Sets a material. - void COpenGL3Driver::setMaterial(const SMaterial& material) - { - Material = material; - OverrideMaterial.apply(Material); - - for (u32 i = 0; i < Feature.MaxTextureUnits; ++i) - { - CacheHandler->getTextureCache().set(i, material.getTexture(i)); - setTransform((E_TRANSFORMATION_STATE)(ETS_TEXTURE_0 + i), material.getTextureMatrix(i)); - } - } - - //! prints error if an error happened. - bool COpenGL3Driver::testGLError(int code) - { -#ifdef _DEBUG - GLenum g = glGetError(); - switch (g) - { - case GL_NO_ERROR: - return false; - case GL_INVALID_ENUM: - os::Printer::log("GL_INVALID_ENUM", core::stringc(code).c_str(), ELL_ERROR); - break; - case GL_INVALID_VALUE: - os::Printer::log("GL_INVALID_VALUE", core::stringc(code).c_str(), ELL_ERROR); - break; - case GL_INVALID_OPERATION: - os::Printer::log("GL_INVALID_OPERATION", core::stringc(code).c_str(), ELL_ERROR); - break; - case GL_OUT_OF_MEMORY: - os::Printer::log("GL_OUT_OF_MEMORY", core::stringc(code).c_str(), ELL_ERROR); - break; - }; - return true; -#else - return false; -#endif - } - - //! prints error if an error happened. - bool COpenGL3Driver::testEGLError() - { -#if defined(EGL_VERSION_1_0) && defined(_DEBUG) - EGLint g = eglGetError(); - switch (g) - { - case EGL_SUCCESS: - return false; - case EGL_NOT_INITIALIZED : - os::Printer::log("Not Initialized", ELL_ERROR); - break; - case EGL_BAD_ACCESS: - os::Printer::log("Bad Access", ELL_ERROR); - break; - case EGL_BAD_ALLOC: - os::Printer::log("Bad Alloc", ELL_ERROR); - break; - case EGL_BAD_ATTRIBUTE: - os::Printer::log("Bad Attribute", ELL_ERROR); - break; - case EGL_BAD_CONTEXT: - os::Printer::log("Bad Context", ELL_ERROR); - break; - case EGL_BAD_CONFIG: - os::Printer::log("Bad Config", ELL_ERROR); - break; - case EGL_BAD_CURRENT_SURFACE: - os::Printer::log("Bad Current Surface", ELL_ERROR); - break; - case EGL_BAD_DISPLAY: - os::Printer::log("Bad Display", ELL_ERROR); - break; - case EGL_BAD_SURFACE: - os::Printer::log("Bad Surface", ELL_ERROR); - break; - case EGL_BAD_MATCH: - os::Printer::log("Bad Match", ELL_ERROR); - break; - case EGL_BAD_PARAMETER: - os::Printer::log("Bad Parameter", ELL_ERROR); - break; - case EGL_BAD_NATIVE_PIXMAP: - os::Printer::log("Bad Native Pixmap", ELL_ERROR); - break; - case EGL_BAD_NATIVE_WINDOW: - os::Printer::log("Bad Native Window", ELL_ERROR); - break; - case EGL_CONTEXT_LOST: - os::Printer::log("Context Lost", ELL_ERROR); - break; - }; - return true; -#else - return false; -#endif - } - - - void COpenGL3Driver::setRenderStates3DMode() - { - if ( LockRenderStateMode ) - return; - - if (CurrentRenderMode != ERM_3D) - { - // Reset Texture Stages - CacheHandler->setBlend(false); - CacheHandler->setBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - - ResetRenderStates = true; - } - - if (ResetRenderStates || LastMaterial != Material) - { - // unset old material - - // unset last 3d material - if (CurrentRenderMode == ERM_2D && MaterialRenderer2DActive) - { - MaterialRenderer2DActive->OnUnsetMaterial(); - MaterialRenderer2DActive = 0; - } - else if (LastMaterial.MaterialType != Material.MaterialType && - static_cast(LastMaterial.MaterialType) < MaterialRenderers.size()) - MaterialRenderers[LastMaterial.MaterialType].Renderer->OnUnsetMaterial(); - - // set new material. - if (static_cast(Material.MaterialType) < MaterialRenderers.size()) - MaterialRenderers[Material.MaterialType].Renderer->OnSetMaterial( - Material, LastMaterial, ResetRenderStates, this); - - LastMaterial = Material; - CacheHandler->correctCacheMaterial(LastMaterial); - ResetRenderStates = false; - } - - if (static_cast(Material.MaterialType) < MaterialRenderers.size()) - MaterialRenderers[Material.MaterialType].Renderer->OnRender(this, video::EVT_STANDARD); - - CurrentRenderMode = ERM_3D; - } - - //! Can be called by an IMaterialRenderer to make its work easier. - void COpenGL3Driver::setBasicRenderStates(const SMaterial& material, const SMaterial& lastmaterial, bool resetAllRenderStates) - { - // ZBuffer - switch (material.ZBuffer) - { - case ECFN_DISABLED: - CacheHandler->setDepthTest(false); - break; - case ECFN_LESSEQUAL: - CacheHandler->setDepthTest(true); - CacheHandler->setDepthFunc(GL_LEQUAL); - break; - case ECFN_EQUAL: - CacheHandler->setDepthTest(true); - CacheHandler->setDepthFunc(GL_EQUAL); - break; - case ECFN_LESS: - CacheHandler->setDepthTest(true); - CacheHandler->setDepthFunc(GL_LESS); - break; - case ECFN_NOTEQUAL: - CacheHandler->setDepthTest(true); - CacheHandler->setDepthFunc(GL_NOTEQUAL); - break; - case ECFN_GREATEREQUAL: - CacheHandler->setDepthTest(true); - CacheHandler->setDepthFunc(GL_GEQUAL); - break; - case ECFN_GREATER: - CacheHandler->setDepthTest(true); - CacheHandler->setDepthFunc(GL_GREATER); - break; - case ECFN_ALWAYS: - CacheHandler->setDepthTest(true); - CacheHandler->setDepthFunc(GL_ALWAYS); - break; - case ECFN_NEVER: - CacheHandler->setDepthTest(true); - CacheHandler->setDepthFunc(GL_NEVER); - break; - default: - break; - } - - // ZWrite - if (getWriteZBuffer(material)) - { - CacheHandler->setDepthMask(true); - } - else - { - CacheHandler->setDepthMask(false); - } - - // Back face culling - if ((material.FrontfaceCulling) && (material.BackfaceCulling)) - { - CacheHandler->setCullFaceFunc(GL_FRONT_AND_BACK); - CacheHandler->setCullFace(true); - } - else if (material.BackfaceCulling) - { - CacheHandler->setCullFaceFunc(GL_BACK); - CacheHandler->setCullFace(true); - } - else if (material.FrontfaceCulling) - { - CacheHandler->setCullFaceFunc(GL_FRONT); - CacheHandler->setCullFace(true); - } - else - { - CacheHandler->setCullFace(false); - } - - // Color Mask - CacheHandler->setColorMask(material.ColorMask); - - // Blend Equation - if (material.BlendOperation == EBO_NONE) - CacheHandler->setBlend(false); - else - { - CacheHandler->setBlend(true); - - switch (material.BlendOperation) - { - case EBO_ADD: - CacheHandler->setBlendEquation(GL_FUNC_ADD); - break; - case EBO_SUBTRACT: - CacheHandler->setBlendEquation(GL_FUNC_SUBTRACT); - break; - case EBO_REVSUBTRACT: - CacheHandler->setBlendEquation(GL_FUNC_REVERSE_SUBTRACT); - break; - default: - break; - } - } - - // Blend Factor - if (IR(material.BlendFactor) & 0xFFFFFFFF // TODO: why the & 0xFFFFFFFF? - && material.MaterialType != EMT_ONETEXTURE_BLEND - ) - { - E_BLEND_FACTOR srcRGBFact = EBF_ZERO; - E_BLEND_FACTOR dstRGBFact = EBF_ZERO; - E_BLEND_FACTOR srcAlphaFact = EBF_ZERO; - E_BLEND_FACTOR dstAlphaFact = EBF_ZERO; - E_MODULATE_FUNC modulo = EMFN_MODULATE_1X; - u32 alphaSource = 0; - - unpack_textureBlendFuncSeparate(srcRGBFact, dstRGBFact, srcAlphaFact, dstAlphaFact, modulo, alphaSource, material.BlendFactor); - - CacheHandler->setBlendFuncSeparate(getGLBlend(srcRGBFact), getGLBlend(dstRGBFact), - getGLBlend(srcAlphaFact), getGLBlend(dstAlphaFact)); - } - - // TODO: Polygon Offset. Not sure if it was left out deliberately or if it won't work with this driver. - - if (resetAllRenderStates || lastmaterial.Thickness != material.Thickness) - glLineWidth(core::clamp(static_cast(material.Thickness), DimAliasedLine[0], DimAliasedLine[1])); - - // Anti aliasing - if (resetAllRenderStates || lastmaterial.AntiAliasing != material.AntiAliasing) - { - if (material.AntiAliasing & EAAM_ALPHA_TO_COVERAGE) - glEnable(GL_SAMPLE_ALPHA_TO_COVERAGE); - else if (lastmaterial.AntiAliasing & EAAM_ALPHA_TO_COVERAGE) - glDisable(GL_SAMPLE_ALPHA_TO_COVERAGE); - } - - // Texture parameters - setTextureRenderStates(material, resetAllRenderStates); - } - - //! Compare in SMaterial doesn't check texture parameters, so we should call this on each OnRender call. - void COpenGL3Driver::setTextureRenderStates(const SMaterial& material, bool resetAllRenderstates) - { - // Set textures to TU/TIU and apply filters to them - - for (s32 i = Feature.MaxTextureUnits - 1; i >= 0; --i) - { - const COpenGL3Texture* tmpTexture = CacheHandler->getTextureCache()[i]; - - if (!tmpTexture) - continue; - - GLenum tmpTextureType = tmpTexture->getOpenGLTextureType(); - - CacheHandler->setActiveTexture(GL_TEXTURE0 + i); - - if (resetAllRenderstates) - tmpTexture->getStatesCache().IsCached = false; - - if (!tmpTexture->getStatesCache().IsCached || material.TextureLayer[i].BilinearFilter != tmpTexture->getStatesCache().BilinearFilter || - material.TextureLayer[i].TrilinearFilter != tmpTexture->getStatesCache().TrilinearFilter) - { - glTexParameteri(tmpTextureType, GL_TEXTURE_MAG_FILTER, - (material.TextureLayer[i].BilinearFilter || material.TextureLayer[i].TrilinearFilter) ? GL_LINEAR : GL_NEAREST); - - tmpTexture->getStatesCache().BilinearFilter = material.TextureLayer[i].BilinearFilter; - tmpTexture->getStatesCache().TrilinearFilter = material.TextureLayer[i].TrilinearFilter; - } - - if (material.UseMipMaps && tmpTexture->hasMipMaps()) - { - if (!tmpTexture->getStatesCache().IsCached || material.TextureLayer[i].BilinearFilter != tmpTexture->getStatesCache().BilinearFilter || - material.TextureLayer[i].TrilinearFilter != tmpTexture->getStatesCache().TrilinearFilter || !tmpTexture->getStatesCache().MipMapStatus) - { - glTexParameteri(tmpTextureType, GL_TEXTURE_MIN_FILTER, - material.TextureLayer[i].TrilinearFilter ? GL_LINEAR_MIPMAP_LINEAR : - material.TextureLayer[i].BilinearFilter ? GL_LINEAR_MIPMAP_NEAREST : - GL_NEAREST_MIPMAP_NEAREST); - - tmpTexture->getStatesCache().BilinearFilter = material.TextureLayer[i].BilinearFilter; - tmpTexture->getStatesCache().TrilinearFilter = material.TextureLayer[i].TrilinearFilter; - tmpTexture->getStatesCache().MipMapStatus = true; - } - } - else - { - if (!tmpTexture->getStatesCache().IsCached || material.TextureLayer[i].BilinearFilter != tmpTexture->getStatesCache().BilinearFilter || - material.TextureLayer[i].TrilinearFilter != tmpTexture->getStatesCache().TrilinearFilter || tmpTexture->getStatesCache().MipMapStatus) - { - glTexParameteri(tmpTextureType, GL_TEXTURE_MIN_FILTER, - (material.TextureLayer[i].BilinearFilter || material.TextureLayer[i].TrilinearFilter) ? GL_LINEAR : GL_NEAREST); - - tmpTexture->getStatesCache().BilinearFilter = material.TextureLayer[i].BilinearFilter; - tmpTexture->getStatesCache().TrilinearFilter = material.TextureLayer[i].TrilinearFilter; - tmpTexture->getStatesCache().MipMapStatus = false; - } - } - - #ifdef GL_EXT_texture_filter_anisotropic - if (FeatureAvailable[COGLESCoreExtensionHandler::IRR_GL_EXT_texture_filter_anisotropic] && - (!tmpTexture->getStatesCache().IsCached || material.TextureLayer[i].AnisotropicFilter != tmpTexture->getStatesCache().AnisotropicFilter)) - { - glTexParameteri(tmpTextureType, GL_TEXTURE_MAX_ANISOTROPY_EXT, - material.TextureLayer[i].AnisotropicFilter>1 ? core::min_(MaxAnisotropy, material.TextureLayer[i].AnisotropicFilter) : 1); - - tmpTexture->getStatesCache().AnisotropicFilter = material.TextureLayer[i].AnisotropicFilter; - } - #endif - - if (!tmpTexture->getStatesCache().IsCached || material.TextureLayer[i].TextureWrapU != tmpTexture->getStatesCache().WrapU) - { - glTexParameteri(tmpTextureType, GL_TEXTURE_WRAP_S, getTextureWrapMode(material.TextureLayer[i].TextureWrapU)); - tmpTexture->getStatesCache().WrapU = material.TextureLayer[i].TextureWrapU; - } - - if (!tmpTexture->getStatesCache().IsCached || material.TextureLayer[i].TextureWrapV != tmpTexture->getStatesCache().WrapV) - { - glTexParameteri(tmpTextureType, GL_TEXTURE_WRAP_T, getTextureWrapMode(material.TextureLayer[i].TextureWrapV)); - tmpTexture->getStatesCache().WrapV = material.TextureLayer[i].TextureWrapV; - } - - tmpTexture->getStatesCache().IsCached = true; - } - } - - - // Get OpenGL ES2.0 texture wrap mode from Irrlicht wrap mode. - GLint COpenGL3Driver::getTextureWrapMode(u8 clamp) const - { - switch (clamp) - { - case ETC_CLAMP: - case ETC_CLAMP_TO_EDGE: - case ETC_CLAMP_TO_BORDER: - return GL_CLAMP_TO_EDGE; - case ETC_MIRROR: - return GL_REPEAT; - default: - return GL_REPEAT; - } - } - - - //! sets the needed renderstates - void COpenGL3Driver::setRenderStates2DMode(bool alpha, bool texture, bool alphaChannel) - { - if ( LockRenderStateMode ) - return; - - COpenGL3Renderer2D* nextActiveRenderer = texture ? MaterialRenderer2DTexture : MaterialRenderer2DNoTexture; - - if (CurrentRenderMode != ERM_2D) - { - // unset last 3d material - if (CurrentRenderMode == ERM_3D) - { - if (static_cast(LastMaterial.MaterialType) < MaterialRenderers.size()) - MaterialRenderers[LastMaterial.MaterialType].Renderer->OnUnsetMaterial(); - } - - CurrentRenderMode = ERM_2D; - } - else if ( MaterialRenderer2DActive && MaterialRenderer2DActive != nextActiveRenderer) - { - MaterialRenderer2DActive->OnUnsetMaterial(); - } - - MaterialRenderer2DActive = nextActiveRenderer; - - MaterialRenderer2DActive->OnSetMaterial(Material, LastMaterial, true, 0); - LastMaterial = Material; - CacheHandler->correctCacheMaterial(LastMaterial); - - // no alphaChannel without texture - alphaChannel &= texture; - - if (alphaChannel || alpha) - { - CacheHandler->setBlend(true); - CacheHandler->setBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - CacheHandler->setBlendEquation(GL_FUNC_ADD); - } - else - CacheHandler->setBlend(false); - - Material.setTexture(0, const_cast(CacheHandler->getTextureCache().get(0))); - setTransform(ETS_TEXTURE_0, core::IdentityMatrix); - - if (texture) - { - if (OverrideMaterial2DEnabled) - setTextureRenderStates(OverrideMaterial2D, false); - else - setTextureRenderStates(InitMaterial2D, false); - } - - MaterialRenderer2DActive->OnRender(this, video::EVT_STANDARD); - } - - - void COpenGL3Driver::chooseMaterial2D() - { - if (!OverrideMaterial2DEnabled) - Material = InitMaterial2D; - - if (OverrideMaterial2DEnabled) - { - OverrideMaterial2D.Lighting=false; - OverrideMaterial2D.ZWriteEnable=EZW_OFF; - OverrideMaterial2D.ZBuffer=ECFN_DISABLED; // it will be ECFN_DISABLED after merge - OverrideMaterial2D.Lighting=false; - - Material = OverrideMaterial2D; - } - } - - - //! \return Returns the name of the video driver. - const wchar_t* COpenGL3Driver::getName() const - { - return Name.c_str(); - } - - void COpenGL3Driver::setViewPort(const core::rect& area) - { - core::rect vp = area; - core::rect rendert(0, 0, getCurrentRenderTargetSize().Width, getCurrentRenderTargetSize().Height); - vp.clipAgainst(rendert); - - if (vp.getHeight() > 0 && vp.getWidth() > 0) - CacheHandler->setViewport(vp.UpperLeftCorner.X, getCurrentRenderTargetSize().Height - vp.UpperLeftCorner.Y - vp.getHeight(), vp.getWidth(), vp.getHeight()); - - ViewPort = vp; - } - - - void COpenGL3Driver::setViewPortRaw(u32 width, u32 height) - { - CacheHandler->setViewport(0, 0, width, height); - ViewPort = core::recti(0, 0, width, height); - } - - - //! Draws a shadow volume into the stencil buffer. - void COpenGL3Driver::drawStencilShadowVolume(const core::array& triangles, bool zfail, u32 debugDataVisible) - { - const u32 count=triangles.size(); - if (!StencilBuffer || !count) - return; - - bool fog = Material.FogEnable; - bool lighting = Material.Lighting; - E_MATERIAL_TYPE materialType = Material.MaterialType; - - Material.FogEnable = false; - Material.Lighting = false; - Material.MaterialType = EMT_SOLID; // Dedicated material in future. - - setRenderStates3DMode(); - - CacheHandler->setDepthTest(true); - CacheHandler->setDepthFunc(GL_LESS); - CacheHandler->setDepthMask(false); - - if (!(debugDataVisible & (scene::EDS_SKELETON|scene::EDS_MESH_WIRE_OVERLAY))) - { - CacheHandler->setColorMask(ECP_NONE); - glEnable(GL_STENCIL_TEST); - } - - glEnableVertexAttribArray(EVA_POSITION); - glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(core::vector3df), triangles.const_pointer()); - - glStencilMask(~0); - glStencilFunc(GL_ALWAYS, 0, ~0); - - GLenum decr = GL_DECR; - GLenum incr = GL_INCR; - -#if defined(GL_OES_stencil_wrap) - if (FeatureAvailable[IRR_OES_stencil_wrap]) - { - decr = GL_DECR_WRAP_OES; - incr = GL_INCR_WRAP_OES; - } -#endif - - CacheHandler->setCullFace(true); - - if (zfail) - { - CacheHandler->setCullFaceFunc(GL_FRONT); - glStencilOp(GL_KEEP, incr, GL_KEEP); - glDrawArrays(GL_TRIANGLES, 0, count); - - CacheHandler->setCullFaceFunc(GL_BACK); - glStencilOp(GL_KEEP, decr, GL_KEEP); - glDrawArrays(GL_TRIANGLES, 0, count); - } - else // zpass - { - CacheHandler->setCullFaceFunc(GL_BACK); - glStencilOp(GL_KEEP, GL_KEEP, incr); - glDrawArrays(GL_TRIANGLES, 0, count); - - CacheHandler->setCullFaceFunc(GL_FRONT); - glStencilOp(GL_KEEP, GL_KEEP, decr); - glDrawArrays(GL_TRIANGLES, 0, count); - } - - glDisableVertexAttribArray(EVA_POSITION); - - glDisable(GL_STENCIL_TEST); - - Material.FogEnable = fog; - Material.Lighting = lighting; - Material.MaterialType = materialType; - } - - - void COpenGL3Driver::drawStencilShadow(bool clearStencilBuffer, - video::SColor leftUpEdge, video::SColor rightUpEdge, - video::SColor leftDownEdge, video::SColor rightDownEdge) - { - if (!StencilBuffer) - return; - - chooseMaterial2D(); - setMaterialTexture(0, 0); - - setRenderStates2DMode(true, false, false); - - CacheHandler->setDepthMask(false); - CacheHandler->setColorMask(ECP_ALL); - - CacheHandler->setBlend(true); - CacheHandler->setBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - - glEnable(GL_STENCIL_TEST); - glStencilFunc(GL_NOTEQUAL, 0, ~0); - glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP); - - u16 indices[] = {0, 1, 2, 3}; - S3DVertex vertices[4]; - vertices[0] = S3DVertex(-1.f, 1.f, 0.9f, 0, 0, 1, leftDownEdge, 0, 0); - vertices[1] = S3DVertex(1.f, 1.f, 0.9f, 0, 0, 1, leftUpEdge, 0, 0); - vertices[2] = S3DVertex(1.f, -1.f, 0.9f, 0, 0, 1, rightUpEdge, 0, 0); - vertices[3] = S3DVertex(-1.f, -1.f, 0.9f, 0, 0, 1, rightDownEdge, 0, 0); - - glEnableVertexAttribArray(EVA_POSITION); - glEnableVertexAttribArray(EVA_COLOR); - glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(S3DVertex), &(static_cast(vertices))[0].Pos); - glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertex), &(static_cast(vertices))[0].Color); - glDrawElements(GL_TRIANGLE_FAN, 4, GL_UNSIGNED_SHORT, indices); - glDisableVertexAttribArray(EVA_COLOR); - glDisableVertexAttribArray(EVA_POSITION); - - if (clearStencilBuffer) - glClear(GL_STENCIL_BUFFER_BIT); - - glDisable(GL_STENCIL_TEST); - } - - - //! Draws a 3d line. - void COpenGL3Driver::draw3DLine(const core::vector3df& start, - const core::vector3df& end, SColor color) - { - setRenderStates3DMode(); - - u16 indices[] = {0, 1}; - S3DVertex vertices[2]; - vertices[0] = S3DVertex(start.X, start.Y, start.Z, 0, 0, 1, color, 0, 0); - vertices[1] = S3DVertex(end.X, end.Y, end.Z, 0, 0, 1, color, 0, 0); - - glEnableVertexAttribArray(EVA_POSITION); - glEnableVertexAttribArray(EVA_COLOR); - glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(S3DVertex), &(static_cast(vertices))[0].Pos); - glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertex), &(static_cast(vertices))[0].Color); - glDrawElements(GL_LINES, 2, GL_UNSIGNED_SHORT, indices); - glDisableVertexAttribArray(EVA_COLOR); - glDisableVertexAttribArray(EVA_POSITION); - } - - - //! Only used by the internal engine. Used to notify the driver that - //! the window was resized. - void COpenGL3Driver::OnResize(const core::dimension2d& size) - { - CNullDriver::OnResize(size); - CacheHandler->setViewport(0, 0, size.Width, size.Height); - Transformation3DChanged = true; - } - - - //! Returns type of video driver - E_DRIVER_TYPE COpenGL3Driver::getDriverType() const - { - return EDT_OGLES2; - } - - - //! returns color format - ECOLOR_FORMAT COpenGL3Driver::getColorFormat() const - { - return ColorFormat; - } - - - //! Get a vertex shader constant index. - s32 COpenGL3Driver::getVertexShaderConstantID(const c8* name) - { - return getPixelShaderConstantID(name); - } - - //! Get a pixel shader constant index. - s32 COpenGL3Driver::getPixelShaderConstantID(const c8* name) - { - os::Printer::log("Error: Please call services->getPixelShaderConstantID(), not VideoDriver->getPixelShaderConstantID()."); - return -1; - } - - //! Sets a vertex shader constant. - void COpenGL3Driver::setVertexShaderConstant(const f32* data, s32 startRegister, s32 constantAmount) - { - os::Printer::log("Error: Please call services->setVertexShaderConstant(), not VideoDriver->setPixelShaderConstant()."); - } - - //! Sets a pixel shader constant. - void COpenGL3Driver::setPixelShaderConstant(const f32* data, s32 startRegister, s32 constantAmount) - { - os::Printer::log("Error: Please call services->setPixelShaderConstant(), not VideoDriver->setPixelShaderConstant()."); - } - - //! Sets a constant for the vertex shader based on an index. - bool COpenGL3Driver::setVertexShaderConstant(s32 index, const f32* floats, int count) - { - os::Printer::log("Error: Please call services->setVertexShaderConstant(), not VideoDriver->setVertexShaderConstant()."); - return false; - } - - //! Int interface for the above. - bool COpenGL3Driver::setVertexShaderConstant(s32 index, const s32* ints, int count) - { - os::Printer::log("Error: Please call services->setVertexShaderConstant(), not VideoDriver->setVertexShaderConstant()."); - return false; - } - - bool COpenGL3Driver::setVertexShaderConstant(s32 index, const u32* ints, int count) - { - os::Printer::log("Error: Please call services->setVertexShaderConstant(), not VideoDriver->setVertexShaderConstant()."); - return false; - } - - //! Sets a constant for the pixel shader based on an index. - bool COpenGL3Driver::setPixelShaderConstant(s32 index, const f32* floats, int count) - { - os::Printer::log("Error: Please call services->setPixelShaderConstant(), not VideoDriver->setPixelShaderConstant()."); - return false; - } - - //! Int interface for the above. - bool COpenGL3Driver::setPixelShaderConstant(s32 index, const s32* ints, int count) - { - os::Printer::log("Error: Please call services->setPixelShaderConstant(), not VideoDriver->setPixelShaderConstant()."); - return false; - } - - bool COpenGL3Driver::setPixelShaderConstant(s32 index, const u32* ints, int count) - { - os::Printer::log("Error: Please call services->setPixelShaderConstant(), not VideoDriver->setPixelShaderConstant()."); - return false; - } - - //! Adds a new material renderer to the VideoDriver, using pixel and/or - //! vertex shaders to render geometry. - s32 COpenGL3Driver::addShaderMaterial(const c8* vertexShaderProgram, - const c8* pixelShaderProgram, - IShaderConstantSetCallBack* callback, - E_MATERIAL_TYPE baseMaterial, s32 userData) - { - os::Printer::log("No shader support."); - return -1; - } - - - //! Adds a new material renderer to the VideoDriver, using GLSL to render geometry. - s32 COpenGL3Driver::addHighLevelShaderMaterial( - const c8* vertexShaderProgram, - const c8* vertexShaderEntryPointName, - E_VERTEX_SHADER_TYPE vsCompileTarget, - const c8* pixelShaderProgram, - const c8* pixelShaderEntryPointName, - E_PIXEL_SHADER_TYPE psCompileTarget, - const c8* geometryShaderProgram, - const c8* geometryShaderEntryPointName, - E_GEOMETRY_SHADER_TYPE gsCompileTarget, - scene::E_PRIMITIVE_TYPE inType, - scene::E_PRIMITIVE_TYPE outType, - u32 verticesOut, - IShaderConstantSetCallBack* callback, - E_MATERIAL_TYPE baseMaterial, - s32 userData) - { - s32 nr = -1; - COpenGL3MaterialRenderer* r = new COpenGL3MaterialRenderer( - this, nr, vertexShaderProgram, - pixelShaderProgram, - callback, baseMaterial, userData); - - r->drop(); - return nr; - } - - //! Returns a pointer to the IVideoDriver interface. (Implementation for - //! IMaterialRendererServices) - IVideoDriver* COpenGL3Driver::getVideoDriver() - { - return this; - } - - - //! Returns pointer to the IGPUProgrammingServices interface. - IGPUProgrammingServices* COpenGL3Driver::getGPUProgrammingServices() - { - return this; - } - - ITexture* COpenGL3Driver::addRenderTargetTexture(const core::dimension2d& size, - const io::path& name, const ECOLOR_FORMAT format) - { - //disable mip-mapping - bool generateMipLevels = getTextureCreationFlag(ETCF_CREATE_MIP_MAPS); - setTextureCreationFlag(ETCF_CREATE_MIP_MAPS, false); - - COpenGL3Texture* renderTargetTexture = new COpenGL3Texture(name, size, ETT_2D, format, this); - addTexture(renderTargetTexture); - renderTargetTexture->drop(); - - //restore mip-mapping - setTextureCreationFlag(ETCF_CREATE_MIP_MAPS, generateMipLevels); - - return renderTargetTexture; - } - - ITexture* COpenGL3Driver::addRenderTargetTextureCubemap(const irr::u32 sideLen, const io::path& name, const ECOLOR_FORMAT format) - { - //disable mip-mapping - bool generateMipLevels = getTextureCreationFlag(ETCF_CREATE_MIP_MAPS); - setTextureCreationFlag(ETCF_CREATE_MIP_MAPS, false); - - bool supportForFBO = (Feature.ColorAttachment > 0); - - const core::dimension2d size(sideLen, sideLen); - core::dimension2du destSize(size); - - if (!supportForFBO) - { - destSize = core::dimension2d(core::min_(size.Width, ScreenSize.Width), core::min_(size.Height, ScreenSize.Height)); - destSize = destSize.getOptimalSize((size == size.getOptimalSize()), false, false); - } - - COpenGL3Texture* renderTargetTexture = new COpenGL3Texture(name, destSize, ETT_CUBEMAP, format, this); - addTexture(renderTargetTexture); - renderTargetTexture->drop(); - - //restore mip-mapping - setTextureCreationFlag(ETCF_CREATE_MIP_MAPS, generateMipLevels); - - return renderTargetTexture; - } - - - //! Returns the maximum amount of primitives - u32 COpenGL3Driver::getMaximalPrimitiveCount() const - { - return 65535; - } - - bool COpenGL3Driver::setRenderTargetEx(IRenderTarget* target, u16 clearFlag, SColor clearColor, f32 clearDepth, u8 clearStencil) - { - if (target && target->getDriverType() != EDT_OGLES2 && target->getDriverType() != EDT_WEBGL1) - { - os::Printer::log("Fatal Error: Tried to set a render target not owned by OGLES2 driver.", ELL_ERROR); - return false; - } - - core::dimension2d destRenderTargetSize(0, 0); - - if (target) - { - COpenGL3RenderTarget* renderTarget = static_cast(target); - - CacheHandler->setFBO(renderTarget->getBufferID()); - renderTarget->update(); - - destRenderTargetSize = renderTarget->getSize(); - - setViewPortRaw(destRenderTargetSize.Width, destRenderTargetSize.Height); - } - else - { - CacheHandler->setFBO(0); - - destRenderTargetSize = core::dimension2d(0, 0); - - setViewPortRaw(ScreenSize.Width, ScreenSize.Height); - } - - if (CurrentRenderTargetSize != destRenderTargetSize) - { - CurrentRenderTargetSize = destRenderTargetSize; - - Transformation3DChanged = true; - } - - CurrentRenderTarget = target; - - clearBuffers(clearFlag, clearColor, clearDepth, clearStencil); - - return true; - } - - void COpenGL3Driver::clearBuffers(u16 flag, SColor color, f32 depth, u8 stencil) - { - GLbitfield mask = 0; - u8 colorMask = 0; - bool depthMask = false; - - CacheHandler->getColorMask(colorMask); - CacheHandler->getDepthMask(depthMask); - - if (flag & ECBF_COLOR) - { - CacheHandler->setColorMask(ECP_ALL); - - const f32 inv = 1.0f / 255.0f; - glClearColor(color.getRed() * inv, color.getGreen() * inv, - color.getBlue() * inv, color.getAlpha() * inv); - - mask |= GL_COLOR_BUFFER_BIT; - } - - if (flag & ECBF_DEPTH) - { - CacheHandler->setDepthMask(true); - glClearDepthf(depth); - mask |= GL_DEPTH_BUFFER_BIT; - } - - if (flag & ECBF_STENCIL) - { - glClearStencil(stencil); - mask |= GL_STENCIL_BUFFER_BIT; - } - - if (mask) - glClear(mask); - - CacheHandler->setColorMask(colorMask); - CacheHandler->setDepthMask(depthMask); - } - - - //! Returns an image created from the last rendered frame. - // We want to read the front buffer to get the latest render finished. - // This is not possible under ogl-es, though, so one has to call this method - // outside of the render loop only. - IImage* COpenGL3Driver::createScreenShot(video::ECOLOR_FORMAT format, video::E_RENDER_TARGET target) - { - if (target==video::ERT_MULTI_RENDER_TEXTURES || target==video::ERT_RENDER_TEXTURE || target==video::ERT_STEREO_BOTH_BUFFERS) - return 0; - - GLint internalformat = GL_RGBA; - GLint type = GL_UNSIGNED_BYTE; - { -// glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_FORMAT, &internalformat); -// glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_TYPE, &type); - // there's a format we don't support ATM - if (GL_UNSIGNED_SHORT_4_4_4_4 == type) - { - internalformat = GL_RGBA; - type = GL_UNSIGNED_BYTE; - } - } - - IImage* newImage = 0; - if (GL_RGBA == internalformat) - { - if (GL_UNSIGNED_BYTE == type) - newImage = new CImage(ECF_A8R8G8B8, ScreenSize); - else - newImage = new CImage(ECF_A1R5G5B5, ScreenSize); - } - else - { - if (GL_UNSIGNED_BYTE == type) - newImage = new CImage(ECF_R8G8B8, ScreenSize); - else - newImage = new CImage(ECF_R5G6B5, ScreenSize); - } - - if (!newImage) - return 0; - - u8* pixels = static_cast(newImage->getData()); - if (!pixels) - { - newImage->drop(); - return 0; - } - - glReadPixels(0, 0, ScreenSize.Width, ScreenSize.Height, internalformat, type, pixels); - testGLError(__LINE__); - - // opengl images are horizontally flipped, so we have to fix that here. - const s32 pitch = newImage->getPitch(); - u8* p2 = pixels + (ScreenSize.Height - 1) * pitch; - u8* tmpBuffer = new u8[pitch]; - for (u32 i = 0; i < ScreenSize.Height; i += 2) - { - memcpy(tmpBuffer, pixels, pitch); - memcpy(pixels, p2, pitch); - memcpy(p2, tmpBuffer, pitch); - pixels += pitch; - p2 -= pitch; - } - delete [] tmpBuffer; - - // also GL_RGBA doesn't match the internal encoding of the image (which is BGRA) - if (GL_RGBA == internalformat && GL_UNSIGNED_BYTE == type) - { - pixels = static_cast(newImage->getData()); - for (u32 i = 0; i < ScreenSize.Height; i++) - { - for (u32 j = 0; j < ScreenSize.Width; j++) - { - u32 c = *(u32*) (pixels + 4 * j); - *(u32*) (pixels + 4 * j) = (c & 0xFF00FF00) | - ((c & 0x00FF0000) >> 16) | ((c & 0x000000FF) << 16); - } - pixels += pitch; - } - } - - if (testGLError(__LINE__)) - { - newImage->drop(); - return 0; - } - testGLError(__LINE__); - return newImage; - } - - void COpenGL3Driver::removeTexture(ITexture* texture) - { - CacheHandler->getTextureCache().remove(texture); - CNullDriver::removeTexture(texture); - } - - //! Set/unset a clipping plane. - bool COpenGL3Driver::setClipPlane(u32 index, const core::plane3df& plane, bool enable) - { - if (index >= UserClipPlane.size()) - UserClipPlane.push_back(SUserClipPlane()); - - UserClipPlane[index].Plane = plane; - UserClipPlane[index].Enabled = enable; - return true; - } - - //! Enable/disable a clipping plane. - void COpenGL3Driver::enableClipPlane(u32 index, bool enable) - { - UserClipPlane[index].Enabled = enable; - } - - //! Get the ClipPlane Count - u32 COpenGL3Driver::getClipPlaneCount() const - { - return UserClipPlane.size(); - } - - const core::plane3df& COpenGL3Driver::getClipPlane(irr::u32 index) const - { - if (index < UserClipPlane.size()) - return UserClipPlane[index].Plane; - else - { - _IRR_DEBUG_BREAK_IF(true) // invalid index - static const core::plane3df dummy; - return dummy; - } - } - - core::dimension2du COpenGL3Driver::getMaxTextureSize() const - { - return core::dimension2du(MaxTextureSize, MaxTextureSize); - } - - GLenum COpenGL3Driver::getGLBlend(E_BLEND_FACTOR factor) const - { - static GLenum const blendTable[] = - { - GL_ZERO, - GL_ONE, - GL_DST_COLOR, - GL_ONE_MINUS_DST_COLOR, - GL_SRC_COLOR, - GL_ONE_MINUS_SRC_COLOR, - GL_SRC_ALPHA, - GL_ONE_MINUS_SRC_ALPHA, - GL_DST_ALPHA, - GL_ONE_MINUS_DST_ALPHA, - GL_SRC_ALPHA_SATURATE - }; - - return blendTable[factor]; - } - - GLenum COpenGL3Driver::getZBufferBits() const - { - // TODO: never used, so not sure what this was really about (zbuffer used by device? Or for RTT's?) - - GLenum bits = 0; - - switch (Params.ZBufferBits) - { - case 24: -#if defined(GL_OES_depth24) - if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_OES_depth24)) - bits = GL_DEPTH_COMPONENT24_OES; - else -#endif - bits = GL_DEPTH_COMPONENT16; - break; - case 32: -#if defined(GL_OES_depth32) - if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_OES_depth32)) - bits = GL_DEPTH_COMPONENT32_OES; - else -#endif - bits = GL_DEPTH_COMPONENT16; - break; - default: - bits = GL_DEPTH_COMPONENT16; - break; - } - - return bits; - } - - bool COpenGL3Driver::getColorFormatParameters(ECOLOR_FORMAT format, GLint& internalFormat, GLenum& pixelFormat, - GLenum& pixelType, void(**converter)(const void*, s32, void*)) const - { - bool supported = false; - pixelFormat = GL_RGBA; - pixelType = GL_UNSIGNED_BYTE; - *converter = 0; - - switch (format) - { - case ECF_A1R5G5B5: - supported = true; - pixelFormat = GL_RGBA; - pixelType = GL_UNSIGNED_SHORT_5_5_5_1; - *converter = CColorConverter::convert_A1R5G5B5toR5G5B5A1; - break; - case ECF_R5G6B5: - supported = true; - pixelFormat = GL_RGB; - pixelType = GL_UNSIGNED_SHORT_5_6_5; - break; - case ECF_R8G8B8: - supported = true; - pixelFormat = GL_RGB; - pixelType = GL_UNSIGNED_BYTE; - break; - case ECF_A8R8G8B8: - supported = true; - if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_IMG_texture_format_BGRA8888) || - queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_EXT_texture_format_BGRA8888) || - queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_APPLE_texture_format_BGRA8888)) - { - pixelFormat = GL_BGRA; - } - else - { - pixelFormat = GL_RGBA; - *converter = CColorConverter::convert_A8R8G8B8toA8B8G8R8; - } - pixelType = GL_UNSIGNED_BYTE; - break; -#ifdef GL_EXT_texture_compression_s3tc - case ECF_DXT1: - supported = true; - pixelFormat = GL_RGBA; - pixelType = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; - break; -#endif -#ifdef GL_EXT_texture_compression_s3tc - case ECF_DXT2: - case ECF_DXT3: - supported = true; - pixelFormat = GL_RGBA; - pixelType = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; - break; -#endif -#ifdef GL_EXT_texture_compression_s3tc - case ECF_DXT4: - case ECF_DXT5: - supported = true; - pixelFormat = GL_RGBA; - pixelType = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; - break; -#endif -#ifdef GL_IMG_texture_compression_pvrtc - case ECF_PVRTC_RGB2: - supported = true; - pixelFormat = GL_RGB; - pixelType = GL_COMPRESSED_RGB_PVRTC_2BPPV1_IMG; - break; -#endif -#ifdef GL_IMG_texture_compression_pvrtc - case ECF_PVRTC_ARGB2: - supported = true; - pixelFormat = GL_RGBA; - pixelType = GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG; - break; -#endif -#ifdef GL_IMG_texture_compression_pvrtc - case ECF_PVRTC_RGB4: - supported = true; - pixelFormat = GL_RGB; - pixelType = GL_COMPRESSED_RGB_PVRTC_4BPPV1_IMG; - break; -#endif -#ifdef GL_IMG_texture_compression_pvrtc - case ECF_PVRTC_ARGB4: - supported = true; - pixelFormat = GL_RGBA; - pixelType = GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG; - break; -#endif -#ifdef GL_IMG_texture_compression_pvrtc2 - case ECF_PVRTC2_ARGB2: - supported = true; - pixelFormat = GL_RGBA; - pixelType = GL_COMPRESSED_RGBA_PVRTC_2BPPV2_IMG; - break; -#endif -#ifdef GL_IMG_texture_compression_pvrtc2 - case ECF_PVRTC2_ARGB4: - supported = true; - pixelFormat = GL_RGBA; - pixelType = GL_COMPRESSED_RGBA_PVRTC_4BPPV2_IMG; - break; -#endif -#ifdef GL_OES_compressed_ETC1_RGB8_texture - case ECF_ETC1: - supported = true; - pixelFormat = GL_RGB; - pixelType = GL_ETC1_RGB8_OES; - break; -#endif -#ifdef GL_ES_VERSION_3_0 // TO-DO - fix when extension name will be available - case ECF_ETC2_RGB: - supported = true; - pixelFormat = GL_RGB; - pixelType = GL_COMPRESSED_RGB8_ETC2; - break; -#endif -#ifdef GL_ES_VERSION_3_0 // TO-DO - fix when extension name will be available - case ECF_ETC2_ARGB: - supported = true; - pixelFormat = GL_RGBA; - pixelType = GL_COMPRESSED_RGBA8_ETC2_EAC; - break; -#endif - case ECF_D16: - supported = true; - pixelFormat = GL_DEPTH_COMPONENT; - pixelType = GL_UNSIGNED_SHORT; - break; - case ECF_D32: -#if defined(GL_OES_depth32) - if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_OES_depth32)) - { - supported = true; - pixelFormat = GL_DEPTH_COMPONENT; - pixelType = GL_UNSIGNED_INT; - } -#endif - break; - case ECF_D24S8: -#ifdef GL_OES_packed_depth_stencil - if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_OES_packed_depth_stencil)) - { - supported = true; - pixelFormat = GL_DEPTH_STENCIL_OES; - pixelType = GL_UNSIGNED_INT_24_8_OES; - } -#endif - break; - case ECF_R8: -#if defined(GL_EXT_texture_rg) - if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_EXT_texture_rg)) - { - supported = true; - pixelFormat = GL_RED_EXT; - pixelType = GL_UNSIGNED_BYTE; - } -#endif - break; - case ECF_R8G8: -#if defined(GL_EXT_texture_rg) - if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_EXT_texture_rg)) - { - supported = true; - pixelFormat = GL_RG_EXT; - pixelType = GL_UNSIGNED_BYTE; - } -#endif - break; - case ECF_R16: - break; - case ECF_R16G16: - break; - case ECF_R16F: -#if defined(GL_OES_texture_half_float) && defined(GL_EXT_texture_rg) - if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_EXT_texture_rg) - && queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_OES_texture_half_float) - ) - { - supported = true; - pixelFormat = GL_RED_EXT; - pixelType = GL_HALF_FLOAT_OES ; - } -#endif - break; - case ECF_G16R16F: -#if defined(GL_OES_texture_half_float) && defined(GL_EXT_texture_rg) - if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_EXT_texture_rg) - && queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_OES_texture_half_float) - ) - { - supported = true; - pixelFormat = GL_RG_EXT; - pixelType = GL_HALF_FLOAT_OES ; - } -#endif - break; - case ECF_A16B16G16R16F: -#if defined(GL_OES_texture_half_float) - if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_OES_texture_half_float)) - { - supported = true; - pixelFormat = GL_RGBA; - pixelType = GL_HALF_FLOAT_OES ; - } -#endif - break; - case ECF_R32F: -#if defined(GL_OES_texture_float) && defined(GL_EXT_texture_rg) - if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_EXT_texture_rg) - && queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_OES_texture_float) - ) - { - supported = true; - pixelFormat = GL_RED_EXT; - pixelType = GL_FLOAT; - } -#endif - break; - case ECF_G32R32F: -#if defined(GL_OES_texture_float) && defined(GL_EXT_texture_rg) - if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_EXT_texture_rg) - && queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_OES_texture_float) - ) - { - supported = true; - pixelFormat = GL_RG_EXT; - pixelType = GL_FLOAT; - } -#endif - break; - case ECF_A32B32G32R32F: -#if defined(GL_OES_texture_float) - if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_OES_texture_half_float)) - { - supported = true; - pixelFormat = GL_RGBA; - pixelType = GL_FLOAT ; - } -#endif - break; - default: - break; - } - - // ES 2.0 says internalFormat must match pixelFormat (chapter 3.7.1 in Spec). - // Doesn't mention if "match" means "equal" or some other way of matching, but - // some bug on Emscripten and browsing discussions by others lead me to believe - // it means they have to be equal. Note that this was different in OpenGL. - internalFormat = pixelFormat; - -#ifdef _IRR_IOS_PLATFORM_ - if (internalFormat == GL_BGRA) - internalFormat = GL_RGBA; -#endif - - return supported; - } - - bool COpenGL3Driver::queryTextureFormat(ECOLOR_FORMAT format) const - { - GLint dummyInternalFormat; - GLenum dummyPixelFormat; - GLenum dummyPixelType; - void (*dummyConverter)(const void*, s32, void*); - return getColorFormatParameters(format, dummyInternalFormat, dummyPixelFormat, dummyPixelType, &dummyConverter); - } - - bool COpenGL3Driver::needsTransparentRenderPass(const irr::video::SMaterial& material) const - { - return CNullDriver::needsTransparentRenderPass(material) || material.isAlphaBlendOperation(); - } - - const SMaterial& COpenGL3Driver::getCurrentMaterial() const - { - return Material; - } - - COpenGL3CacheHandler* COpenGL3Driver::getCacheHandler() const - { - return CacheHandler; - } - - -IVideoDriver* createOpenGL3Driver(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager) -{ - COpenGL3Driver* driver = new COpenGL3Driver(params, io, contextManager); - driver->genericDriverInit(params.WindowSize, params.Stencilbuffer); // don't call in constructor, it uses virtual function calls of driver - return driver; -} - -} // end namespace -} // end namespace +// Copyright (C) 2023 Vitaliy Lobachevskiy +// Copyright (C) 2014 Patryk Nadrowski +// Copyright (C) 2009-2010 Amundis +// This file is part of the "Irrlicht Engine". +// For conditions of distribution and use, see copyright notice in Irrlicht.h + +#include "Driver.h" +#include +#include "CNullDriver.h" +#include "IContextManager.h" + +#include "COpenGLCoreTexture.h" +#include "COpenGLCoreRenderTarget.h" +#include "COpenGLCoreCacheHandler.h" + +#include "MaterialRenderer.h" +#include "FixedPipelineRenderer.h" +#include "Renderer2D.h" + +#include "EVertexAttributes.h" +#include "CImage.h" +#include "os.h" + +#ifdef _IRR_COMPILE_WITH_ANDROID_DEVICE_ +#include "android_native_app_glue.h" +#endif + +#include "mt_opengl.h" + +namespace irr +{ +namespace video +{ + struct VertexAttribute { + enum class Mode { + Regular, + Normalized, + Integral, + }; + int Index; + int ComponentCount; + GLenum ComponentType; + Mode mode; + int Offset; + }; + + struct VertexType { + int VertexSize; + int AttributeCount; + VertexAttribute Attributes[]; + + VertexType(const VertexType &) = delete; + VertexType &operator= (const VertexType &) = delete; + }; + + static const VertexAttribute *begin(const VertexType &type) + { + return type.Attributes; + } + + static const VertexAttribute *end(const VertexType &type) + { + return type.Attributes + type.AttributeCount; + } + + static constexpr VertexType vtStandard = { + sizeof(S3DVertex), 4, { + {EVA_POSITION, 3, GL_FLOAT, VertexAttribute::Mode::Regular, offsetof(S3DVertex, Pos)}, + {EVA_NORMAL, 3, GL_FLOAT, VertexAttribute::Mode::Regular, offsetof(S3DVertex, Normal)}, + {EVA_COLOR, 4, GL_UNSIGNED_BYTE, VertexAttribute::Mode::Normalized, offsetof(S3DVertex, Color)}, + {EVA_TCOORD0, 2, GL_FLOAT, VertexAttribute::Mode::Regular, offsetof(S3DVertex, TCoords)}, + }, + }; + +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Winvalid-offsetof" + + static constexpr VertexType vt2TCoords = { + sizeof(S3DVertex2TCoords), 5, { + {EVA_POSITION, 3, GL_FLOAT, VertexAttribute::Mode::Regular, offsetof(S3DVertex2TCoords, Pos)}, + {EVA_NORMAL, 3, GL_FLOAT, VertexAttribute::Mode::Regular, offsetof(S3DVertex2TCoords, Normal)}, + {EVA_COLOR, 4, GL_UNSIGNED_BYTE, VertexAttribute::Mode::Normalized, offsetof(S3DVertex2TCoords, Color)}, + {EVA_TCOORD0, 2, GL_FLOAT, VertexAttribute::Mode::Regular, offsetof(S3DVertex2TCoords, TCoords)}, + {EVA_TCOORD1, 2, GL_FLOAT, VertexAttribute::Mode::Regular, offsetof(S3DVertex2TCoords, TCoords2)}, + }, + }; + + static constexpr VertexType vtTangents = { + sizeof(S3DVertexTangents), 6, { + {EVA_POSITION, 3, GL_FLOAT, VertexAttribute::Mode::Regular, offsetof(S3DVertexTangents, Pos)}, + {EVA_NORMAL, 3, GL_FLOAT, VertexAttribute::Mode::Regular, offsetof(S3DVertexTangents, Normal)}, + {EVA_COLOR, 4, GL_UNSIGNED_BYTE, VertexAttribute::Mode::Normalized, offsetof(S3DVertexTangents, Color)}, + {EVA_TCOORD0, 2, GL_FLOAT, VertexAttribute::Mode::Regular, offsetof(S3DVertexTangents, TCoords)}, + {EVA_TANGENT, 3, GL_FLOAT, VertexAttribute::Mode::Regular, offsetof(S3DVertexTangents, Tangent)}, + {EVA_BINORMAL, 3, GL_FLOAT, VertexAttribute::Mode::Regular, offsetof(S3DVertexTangents, Binormal)}, + }, + }; + +#pragma GCC diagnostic pop + + static const VertexType &getVertexTypeDescription(E_VERTEX_TYPE type) + { + switch (type) { + case EVT_STANDARD: return vtStandard; + case EVT_2TCOORDS: return vt2TCoords; + case EVT_TANGENTS: return vtTangents; + default: assert(false); + } + } + + static constexpr VertexType vt2DImage = { + sizeof(S3DVertex), 3, { + {EVA_POSITION, 3, GL_FLOAT, VertexAttribute::Mode::Regular, offsetof(S3DVertex, Pos)}, + {EVA_COLOR, 4, GL_UNSIGNED_BYTE, VertexAttribute::Mode::Normalized, offsetof(S3DVertex, Color)}, + {EVA_TCOORD0, 2, GL_FLOAT, VertexAttribute::Mode::Regular, offsetof(S3DVertex, TCoords)}, + }, + }; + + static constexpr VertexType vtPrimitive = { + sizeof(S3DVertex), 2, { + {EVA_POSITION, 3, GL_FLOAT, VertexAttribute::Mode::Regular, offsetof(S3DVertex, Pos)}, + {EVA_COLOR, 4, GL_UNSIGNED_BYTE, VertexAttribute::Mode::Normalized, offsetof(S3DVertex, Color)}, + }, + }; + + +void APIENTRY COpenGL3DriverBase::debugCb(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message, const void *userParam) +{ + ((COpenGL3DriverBase *)userParam)->debugCb(source, type, id, severity, length, message); +} + +void COpenGL3DriverBase::debugCb(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message) +{ + printf("%04x %04x %x %x %.*s\n", source, type, id, severity, length, message); +} + +COpenGL3DriverBase::COpenGL3DriverBase(const SIrrlichtCreationParameters& params, io::IFileSystem* io, IContextManager* contextManager) : + CNullDriver(io, params.WindowSize), COpenGL3ExtensionHandler(), CacheHandler(0), + Params(params), ResetRenderStates(true), LockRenderStateMode(false), AntiAlias(params.AntiAlias), + MaterialRenderer2DActive(0), MaterialRenderer2DTexture(0), MaterialRenderer2DNoTexture(0), + CurrentRenderMode(ERM_NONE), Transformation3DChanged(true), + OGLES2ShaderPath(params.OGLES2ShaderPath), + ColorFormat(ECF_R8G8B8), ContextManager(contextManager) +{ +#ifdef _DEBUG + setDebugName("Driver"); +#endif + + if (!ContextManager) + return; + + ContextManager->grab(); + ContextManager->generateSurface(); + ContextManager->generateContext(); + ExposedData = ContextManager->getContext(); + ContextManager->activateContext(ExposedData, false); + GL.LoadAllProcedures(ContextManager); + GL.DebugMessageCallback(debugCb, this); + initQuadsIndices(); +} + +COpenGL3DriverBase::~COpenGL3DriverBase() +{ + deleteMaterialRenders(); + + CacheHandler->getTextureCache().clear(); + + removeAllRenderTargets(); + deleteAllTextures(); + removeAllOcclusionQueries(); + removeAllHardwareBuffers(); + + delete MaterialRenderer2DTexture; + delete MaterialRenderer2DNoTexture; + delete CacheHandler; + + if (ContextManager) + { + ContextManager->destroyContext(); + ContextManager->destroySurface(); + ContextManager->terminate(); + ContextManager->drop(); + } +} + + void COpenGL3DriverBase::initQuadsIndices(int max_vertex_count) + { + int max_quad_count = max_vertex_count / 4; + std::vector QuadsIndices; + QuadsIndices.reserve(6 * max_quad_count); + for (int k = 0; k < max_quad_count; k++) { + QuadsIndices.push_back(4 * k + 0); + QuadsIndices.push_back(4 * k + 1); + QuadsIndices.push_back(4 * k + 2); + QuadsIndices.push_back(4 * k + 0); + QuadsIndices.push_back(4 * k + 2); + QuadsIndices.push_back(4 * k + 3); + } + glGenBuffers(1, &QuadIndexBuffer); + glBindBuffer(GL_ARRAY_BUFFER, QuadIndexBuffer); + glBufferData(GL_ARRAY_BUFFER, sizeof(QuadsIndices[0]) * QuadsIndices.size(), QuadsIndices.data(), GL_STATIC_DRAW); + glBindBuffer(GL_ARRAY_BUFFER, 0); + QuadIndexCount = QuadsIndices.size(); + } + + bool COpenGL3DriverBase::genericDriverInit(const core::dimension2d& screenSize, bool stencilBuffer) + { + Name = glGetString(GL_VERSION); + printVersion(); + + // print renderer information + VendorName = glGetString(GL_VENDOR); + os::Printer::log(VendorName.c_str(), ELL_INFORMATION); + + // load extensions + initExtensions(); + + // reset cache handler + delete CacheHandler; + CacheHandler = new COpenGL3CacheHandler(this); + + StencilBuffer = stencilBuffer; + + DriverAttributes->setAttribute("MaxTextures", (s32)Feature.MaxTextureUnits); + DriverAttributes->setAttribute("MaxSupportedTextures", (s32)Feature.MaxTextureUnits); +// DriverAttributes->setAttribute("MaxLights", MaxLights); + DriverAttributes->setAttribute("MaxAnisotropy", MaxAnisotropy); +// DriverAttributes->setAttribute("MaxUserClipPlanes", MaxUserClipPlanes); +// DriverAttributes->setAttribute("MaxAuxBuffers", MaxAuxBuffers); +// DriverAttributes->setAttribute("MaxMultipleRenderTargets", MaxMultipleRenderTargets); + DriverAttributes->setAttribute("MaxIndices", (s32)MaxIndices); + DriverAttributes->setAttribute("MaxTextureSize", (s32)MaxTextureSize); + DriverAttributes->setAttribute("MaxTextureLODBias", MaxTextureLODBias); + DriverAttributes->setAttribute("Version", Version); + DriverAttributes->setAttribute("AntiAlias", AntiAlias); + + glPixelStorei(GL_PACK_ALIGNMENT, 1); + + UserClipPlane.reallocate(0); + + for (s32 i = 0; i < ETS_COUNT; ++i) + setTransform(static_cast(i), core::IdentityMatrix); + + setAmbientLight(SColorf(0.0f, 0.0f, 0.0f, 0.0f)); + glClearDepthf(1.0f); + + glHint(GL_GENERATE_MIPMAP_HINT, GL_NICEST); + glFrontFace(GL_CW); + + // create material renderers + createMaterialRenderers(); + + // set the renderstates + setRenderStates3DMode(); + + // set fog mode + setFog(FogColor, FogType, FogStart, FogEnd, FogDensity, PixelFog, RangeFog); + + // create matrix for flipping textures + TextureFlipMatrix.buildTextureTransform(0.0f, core::vector2df(0, 0), core::vector2df(0, 1.0f), core::vector2df(1.0f, -1.0f)); + + // We need to reset once more at the beginning of the first rendering. + // This fixes problems with intermediate changes to the material during texture load. + ResetRenderStates = true; + + testGLError(__LINE__); + + return true; + } + + void COpenGL3DriverBase::loadShaderData(const io::path& vertexShaderName, const io::path& fragmentShaderName, c8** vertexShaderData, c8** fragmentShaderData) + { + io::path vsPath(OGLES2ShaderPath); + vsPath += vertexShaderName; + + io::path fsPath(OGLES2ShaderPath); + fsPath += fragmentShaderName; + + *vertexShaderData = 0; + *fragmentShaderData = 0; + + io::IReadFile* vsFile = FileSystem->createAndOpenFile(vsPath); + if ( !vsFile ) + { + core::stringw warning(L"Warning: Missing shader files needed to simulate fixed function materials:\n"); + warning += core::stringw(vsPath) + L"\n"; + warning += L"Shaderpath can be changed in SIrrCreationParamters::OGLES2ShaderPath"; + os::Printer::log(warning.c_str(), ELL_WARNING); + return; + } + + io::IReadFile* fsFile = FileSystem->createAndOpenFile(fsPath); + if ( !fsFile ) + { + core::stringw warning(L"Warning: Missing shader files needed to simulate fixed function materials:\n"); + warning += core::stringw(fsPath) + L"\n"; + warning += L"Shaderpath can be changed in SIrrCreationParamters::OGLES2ShaderPath"; + os::Printer::log(warning.c_str(), ELL_WARNING); + return; + } + + long size = vsFile->getSize(); + if (size) + { + *vertexShaderData = new c8[size+1]; + vsFile->read(*vertexShaderData, size); + (*vertexShaderData)[size] = 0; + } + + size = fsFile->getSize(); + if (size) + { + // if both handles are the same we must reset the file + if (fsFile == vsFile) + fsFile->seek(0); + + *fragmentShaderData = new c8[size+1]; + fsFile->read(*fragmentShaderData, size); + (*fragmentShaderData)[size] = 0; + } + + vsFile->drop(); + fsFile->drop(); + } + + void COpenGL3DriverBase::addDummyMaterial(E_MATERIAL_TYPE type) { + auto index = addMaterialRenderer(getMaterialRenderer(EMT_SOLID), "DUMMY"); + assert(index == type); + } + + void COpenGL3DriverBase::createMaterialRenderers() + { + // Create callbacks. + + COpenGL3MaterialSolidCB* SolidCB = new COpenGL3MaterialSolidCB(); + COpenGL3MaterialSolidCB* TransparentAlphaChannelCB = new COpenGL3MaterialSolidCB(); + COpenGL3MaterialSolidCB* TransparentAlphaChannelRefCB = new COpenGL3MaterialSolidCB(); + COpenGL3MaterialSolidCB* TransparentVertexAlphaCB = new COpenGL3MaterialSolidCB(); + COpenGL3MaterialOneTextureBlendCB* OneTextureBlendCB = new COpenGL3MaterialOneTextureBlendCB(); + + // Create built-in materials. + // The addition order must be the same as in the E_MATERIAL_TYPE enumeration. Thus the + // addDummyMaterial calls for materials no longer supported. + + const core::stringc VertexShader = OGLES2ShaderPath + "Solid.vsh"; + + // EMT_SOLID + core::stringc FragmentShader = OGLES2ShaderPath + "Solid.fsh"; + addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", + EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, SolidCB, EMT_SOLID, 0); + + addDummyMaterial(EMT_SOLID_2_LAYER); + addDummyMaterial(EMT_LIGHTMAP); + addDummyMaterial(EMT_LIGHTMAP_ADD); + addDummyMaterial(EMT_LIGHTMAP_M2); + addDummyMaterial(EMT_LIGHTMAP_M4); + addDummyMaterial(EMT_LIGHTMAP_LIGHTING); + addDummyMaterial(EMT_LIGHTMAP_LIGHTING_M2); + addDummyMaterial(EMT_LIGHTMAP_LIGHTING_M4); + addDummyMaterial(EMT_DETAIL_MAP); + addDummyMaterial(EMT_SPHERE_MAP); + addDummyMaterial(EMT_REFLECTION_2_LAYER); + addDummyMaterial(EMT_TRANSPARENT_ADD_COLOR); + + // EMT_TRANSPARENT_ALPHA_CHANNEL + FragmentShader = OGLES2ShaderPath + "TransparentAlphaChannel.fsh"; + addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", + EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, TransparentAlphaChannelCB, EMT_TRANSPARENT_ALPHA_CHANNEL, 0); + + // EMT_TRANSPARENT_ALPHA_CHANNEL_REF + FragmentShader = OGLES2ShaderPath + "TransparentAlphaChannelRef.fsh"; + addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", + EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, TransparentAlphaChannelRefCB, EMT_SOLID, 0); + + // EMT_TRANSPARENT_VERTEX_ALPHA + FragmentShader = OGLES2ShaderPath + "TransparentVertexAlpha.fsh"; + addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", + EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, TransparentVertexAlphaCB, EMT_TRANSPARENT_ALPHA_CHANNEL, 0); + + addDummyMaterial(EMT_TRANSPARENT_REFLECTION_2_LAYER); + + // EMT_ONETEXTURE_BLEND + FragmentShader = OGLES2ShaderPath + "OneTextureBlend.fsh"; + addHighLevelShaderMaterialFromFiles(VertexShader, "main", EVST_VS_2_0, FragmentShader, "main", EPST_PS_2_0, "", "main", + EGST_GS_4_0, scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0, OneTextureBlendCB, EMT_ONETEXTURE_BLEND, 0); + + // Drop callbacks. + + SolidCB->drop(); + TransparentAlphaChannelCB->drop(); + TransparentAlphaChannelRefCB->drop(); + TransparentVertexAlphaCB->drop(); + OneTextureBlendCB->drop(); + + // Create 2D material renderers + + c8* vs2DData = 0; + c8* fs2DData = 0; + loadShaderData(io::path("Renderer2D.vsh"), io::path("Renderer2D.fsh"), &vs2DData, &fs2DData); + MaterialRenderer2DTexture = new COpenGL3Renderer2D(vs2DData, fs2DData, this, true); + delete[] vs2DData; + delete[] fs2DData; + vs2DData = 0; + fs2DData = 0; + + loadShaderData(io::path("Renderer2D.vsh"), io::path("Renderer2D_noTex.fsh"), &vs2DData, &fs2DData); + MaterialRenderer2DNoTexture = new COpenGL3Renderer2D(vs2DData, fs2DData, this, false); + delete[] vs2DData; + delete[] fs2DData; + } + + bool COpenGL3DriverBase::setMaterialTexture(irr::u32 layerIdx, const irr::video::ITexture* texture) + { + Material.TextureLayer[layerIdx].Texture = const_cast(texture); // function uses const-pointer for texture because all draw functions use const-pointers already + return CacheHandler->getTextureCache().set(0, texture); + } + + bool COpenGL3DriverBase::beginScene(u16 clearFlag, SColor clearColor, f32 clearDepth, u8 clearStencil, const SExposedVideoData& videoData, core::rect* sourceRect) + { + CNullDriver::beginScene(clearFlag, clearColor, clearDepth, clearStencil, videoData, sourceRect); + + if (ContextManager) + ContextManager->activateContext(videoData, true); + + clearBuffers(clearFlag, clearColor, clearDepth, clearStencil); + + return true; + } + + bool COpenGL3DriverBase::endScene() + { + CNullDriver::endScene(); + + glFlush(); + + if (ContextManager) + return ContextManager->swapBuffers(); + + return false; + } + + + //! Returns the transformation set by setTransform + const core::matrix4& COpenGL3DriverBase::getTransform(E_TRANSFORMATION_STATE state) const + { + return Matrices[state]; + } + + + //! sets transformation + void COpenGL3DriverBase::setTransform(E_TRANSFORMATION_STATE state, const core::matrix4& mat) + { + Matrices[state] = mat; + Transformation3DChanged = true; + } + + + bool COpenGL3DriverBase::updateVertexHardwareBuffer(SHWBufferLink_opengl *HWBuffer) + { + if (!HWBuffer) + return false; + + const scene::IMeshBuffer* mb = HWBuffer->MeshBuffer; + const void* vertices = mb->getVertices(); + const u32 vertexCount = mb->getVertexCount(); + const E_VERTEX_TYPE vType = mb->getVertexType(); + const u32 vertexSize = getVertexPitchFromType(vType); + + const void *buffer = vertices; + size_t bufferSize = vertexSize * vertexCount; + + //get or create buffer + bool newBuffer = false; + if (!HWBuffer->vbo_verticesID) + { + glGenBuffers(1, &HWBuffer->vbo_verticesID); + if (!HWBuffer->vbo_verticesID) return false; + newBuffer = true; + } + else if (HWBuffer->vbo_verticesSize < bufferSize) + { + newBuffer = true; + } + + glBindBuffer(GL_ARRAY_BUFFER, HWBuffer->vbo_verticesID); + + // copy data to graphics card + if (!newBuffer) + glBufferSubData(GL_ARRAY_BUFFER, 0, bufferSize, buffer); + else + { + HWBuffer->vbo_verticesSize = bufferSize; + + if (HWBuffer->Mapped_Vertex == scene::EHM_STATIC) + glBufferData(GL_ARRAY_BUFFER, bufferSize, buffer, GL_STATIC_DRAW); + else + glBufferData(GL_ARRAY_BUFFER, bufferSize, buffer, GL_DYNAMIC_DRAW); + } + + glBindBuffer(GL_ARRAY_BUFFER, 0); + + return (!testGLError(__LINE__)); + } + + + bool COpenGL3DriverBase::updateIndexHardwareBuffer(SHWBufferLink_opengl *HWBuffer) + { + if (!HWBuffer) + return false; + + const scene::IMeshBuffer* mb = HWBuffer->MeshBuffer; + + const void* indices = mb->getIndices(); + u32 indexCount = mb->getIndexCount(); + + GLenum indexSize; + switch (mb->getIndexType()) + { + case(EIT_16BIT): + { + indexSize = sizeof(u16); + break; + } + case(EIT_32BIT): + { + indexSize = sizeof(u32); + break; + } + default: + { + return false; + } + } + + //get or create buffer + bool newBuffer = false; + if (!HWBuffer->vbo_indicesID) + { + glGenBuffers(1, &HWBuffer->vbo_indicesID); + if (!HWBuffer->vbo_indicesID) return false; + newBuffer = true; + } + else if (HWBuffer->vbo_indicesSize < indexCount*indexSize) + { + newBuffer = true; + } + + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, HWBuffer->vbo_indicesID); + + // copy data to graphics card + if (!newBuffer) + glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, indexCount * indexSize, indices); + else + { + HWBuffer->vbo_indicesSize = indexCount * indexSize; + + if (HWBuffer->Mapped_Index == scene::EHM_STATIC) + glBufferData(GL_ELEMENT_ARRAY_BUFFER, indexCount * indexSize, indices, GL_STATIC_DRAW); + else + glBufferData(GL_ELEMENT_ARRAY_BUFFER, indexCount * indexSize, indices, GL_DYNAMIC_DRAW); + } + + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); + + return (!testGLError(__LINE__)); + } + + + //! updates hardware buffer if needed + bool COpenGL3DriverBase::updateHardwareBuffer(SHWBufferLink *HWBuffer) + { + if (!HWBuffer) + return false; + + if (HWBuffer->Mapped_Vertex != scene::EHM_NEVER) + { + if (HWBuffer->ChangedID_Vertex != HWBuffer->MeshBuffer->getChangedID_Vertex() + || !static_cast(HWBuffer)->vbo_verticesID) + { + + HWBuffer->ChangedID_Vertex = HWBuffer->MeshBuffer->getChangedID_Vertex(); + + if (!updateVertexHardwareBuffer(static_cast(HWBuffer))) + return false; + } + } + + if (HWBuffer->Mapped_Index != scene::EHM_NEVER) + { + if (HWBuffer->ChangedID_Index != HWBuffer->MeshBuffer->getChangedID_Index() + || !static_cast(HWBuffer)->vbo_indicesID) + { + + HWBuffer->ChangedID_Index = HWBuffer->MeshBuffer->getChangedID_Index(); + + if (!updateIndexHardwareBuffer((SHWBufferLink_opengl*)HWBuffer)) + return false; + } + } + + return true; + } + + + //! Create hardware buffer from meshbuffer + COpenGL3DriverBase::SHWBufferLink *COpenGL3DriverBase::createHardwareBuffer(const scene::IMeshBuffer* mb) + { + if (!mb || (mb->getHardwareMappingHint_Index() == scene::EHM_NEVER && mb->getHardwareMappingHint_Vertex() == scene::EHM_NEVER)) + return 0; + + SHWBufferLink_opengl *HWBuffer = new SHWBufferLink_opengl(mb); + + //add to map + HWBuffer->listPosition = HWBufferList.insert(HWBufferList.end(), HWBuffer); + + HWBuffer->ChangedID_Vertex = HWBuffer->MeshBuffer->getChangedID_Vertex(); + HWBuffer->ChangedID_Index = HWBuffer->MeshBuffer->getChangedID_Index(); + HWBuffer->Mapped_Vertex = mb->getHardwareMappingHint_Vertex(); + HWBuffer->Mapped_Index = mb->getHardwareMappingHint_Index(); + HWBuffer->vbo_verticesID = 0; + HWBuffer->vbo_indicesID = 0; + HWBuffer->vbo_verticesSize = 0; + HWBuffer->vbo_indicesSize = 0; + + if (!updateHardwareBuffer(HWBuffer)) + { + deleteHardwareBuffer(HWBuffer); + return 0; + } + + return HWBuffer; + } + + + void COpenGL3DriverBase::deleteHardwareBuffer(SHWBufferLink *_HWBuffer) + { + if (!_HWBuffer) + return; + + SHWBufferLink_opengl *HWBuffer = static_cast(_HWBuffer); + if (HWBuffer->vbo_verticesID) + { + glDeleteBuffers(1, &HWBuffer->vbo_verticesID); + HWBuffer->vbo_verticesID = 0; + } + if (HWBuffer->vbo_indicesID) + { + glDeleteBuffers(1, &HWBuffer->vbo_indicesID); + HWBuffer->vbo_indicesID = 0; + } + + CNullDriver::deleteHardwareBuffer(_HWBuffer); + } + + + //! Draw hardware buffer + void COpenGL3DriverBase::drawHardwareBuffer(SHWBufferLink *_HWBuffer) + { + if (!_HWBuffer) + return; + + SHWBufferLink_opengl *HWBuffer = static_cast(_HWBuffer); + + updateHardwareBuffer(HWBuffer); //check if update is needed + + const scene::IMeshBuffer* mb = HWBuffer->MeshBuffer; + const void *vertices = mb->getVertices(); + const void *indexList = mb->getIndices(); + + if (HWBuffer->Mapped_Vertex != scene::EHM_NEVER) + { + glBindBuffer(GL_ARRAY_BUFFER, HWBuffer->vbo_verticesID); + vertices = 0; + } + + if (HWBuffer->Mapped_Index != scene::EHM_NEVER) + { + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, HWBuffer->vbo_indicesID); + indexList = 0; + } + + + drawVertexPrimitiveList(vertices, mb->getVertexCount(), + indexList, mb->getPrimitiveCount(), + mb->getVertexType(), mb->getPrimitiveType(), + mb->getIndexType()); + + if (HWBuffer->Mapped_Vertex != scene::EHM_NEVER) + glBindBuffer(GL_ARRAY_BUFFER, 0); + + if (HWBuffer->Mapped_Index != scene::EHM_NEVER) + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); + } + + + IRenderTarget* COpenGL3DriverBase::addRenderTarget() + { + COpenGL3RenderTarget* renderTarget = new COpenGL3RenderTarget(this); + RenderTargets.push_back(renderTarget); + + return renderTarget; + } + + + // small helper function to create vertex buffer object adress offsets + static inline u8* buffer_offset(const long offset) + { + return ((u8*)0 + offset); + } + + + //! draws a vertex primitive list + void COpenGL3DriverBase::drawVertexPrimitiveList(const void* vertices, u32 vertexCount, + const void* indexList, u32 primitiveCount, + E_VERTEX_TYPE vType, scene::E_PRIMITIVE_TYPE pType, E_INDEX_TYPE iType) + { + if (!primitiveCount || !vertexCount) + return; + + if (!checkPrimitiveCount(primitiveCount)) + return; + + CNullDriver::drawVertexPrimitiveList(vertices, vertexCount, indexList, primitiveCount, vType, pType, iType); + + setRenderStates3DMode(); + + auto &vTypeDesc = getVertexTypeDescription(vType); + beginDraw(vTypeDesc, reinterpret_cast(vertices)); + GLenum indexSize = 0; + + switch (iType) + { + case(EIT_16BIT): + { + indexSize = GL_UNSIGNED_SHORT; + break; + } + case(EIT_32BIT): + { +#ifdef GL_OES_element_index_uint +#ifndef GL_UNSIGNED_INT +#define GL_UNSIGNED_INT 0x1405 +#endif + if (FeatureAvailable[COGLESCoreExtensionHandler::IRR_GL_OES_element_index_uint]) + indexSize = GL_UNSIGNED_INT; + else +#endif + indexSize = GL_UNSIGNED_SHORT; + break; + } + } + + switch (pType) + { + case scene::EPT_POINTS: + case scene::EPT_POINT_SPRITES: + glDrawArrays(GL_POINTS, 0, primitiveCount); + break; + case scene::EPT_LINE_STRIP: + glDrawElements(GL_LINE_STRIP, primitiveCount + 1, indexSize, indexList); + break; + case scene::EPT_LINE_LOOP: + glDrawElements(GL_LINE_LOOP, primitiveCount, indexSize, indexList); + break; + case scene::EPT_LINES: + glDrawElements(GL_LINES, primitiveCount*2, indexSize, indexList); + break; + case scene::EPT_TRIANGLE_STRIP: + glDrawElements(GL_TRIANGLE_STRIP, primitiveCount + 2, indexSize, indexList); + break; + case scene::EPT_TRIANGLE_FAN: + glDrawElements(GL_TRIANGLE_FAN, primitiveCount + 2, indexSize, indexList); + break; + case scene::EPT_TRIANGLES: + glDrawElements((LastMaterial.Wireframe) ? GL_LINES : (LastMaterial.PointCloud) ? GL_POINTS : GL_TRIANGLES, primitiveCount*3, indexSize, indexList); + break; + default: + break; + } + + endDraw(vTypeDesc); + } + + + void COpenGL3DriverBase::draw2DImage(const video::ITexture* texture, const core::position2d& destPos, + const core::rect& sourceRect, const core::rect* clipRect, SColor color, + bool useAlphaChannelOfTexture) + { + if (!texture) + return; + + if (!sourceRect.isValid()) + return; + + SColor colors[4] = {color, color, color, color}; + draw2DImage(texture, {destPos, sourceRect.getSize()}, sourceRect, clipRect, colors, useAlphaChannelOfTexture); + } + + + void COpenGL3DriverBase::draw2DImage(const video::ITexture* texture, const core::rect& destRect, + const core::rect& sourceRect, const core::rect* clipRect, + const video::SColor* const colors, bool useAlphaChannelOfTexture) + { + if (!texture) + return; + + // texcoords need to be flipped horizontally for RTTs + const bool isRTT = texture->isRenderTarget(); + const core::dimension2du& ss = texture->getOriginalSize(); + const f32 invW = 1.f / static_cast(ss.Width); + const f32 invH = 1.f / static_cast(ss.Height); + const core::rect tcoords( + sourceRect.UpperLeftCorner.X * invW, + (isRTT ? sourceRect.LowerRightCorner.Y : sourceRect.UpperLeftCorner.Y) * invH, + sourceRect.LowerRightCorner.X * invW, + (isRTT ? sourceRect.UpperLeftCorner.Y : sourceRect.LowerRightCorner.Y) *invH); + + const video::SColor temp[4] = + { + 0xFFFFFFFF, + 0xFFFFFFFF, + 0xFFFFFFFF, + 0xFFFFFFFF + }; + + const video::SColor* const useColor = colors ? colors : temp; + + chooseMaterial2D(); + if (!setMaterialTexture(0, texture )) + return; + + setRenderStates2DMode(useColor[0].getAlpha() < 255 || useColor[1].getAlpha() < 255 || + useColor[2].getAlpha() < 255 || useColor[3].getAlpha() < 255, + true, useAlphaChannelOfTexture); + + const core::dimension2d& renderTargetSize = getCurrentRenderTargetSize(); + + if (clipRect) + { + if (!clipRect->isValid()) + return; + + glEnable(GL_SCISSOR_TEST); + glScissor(clipRect->UpperLeftCorner.X, renderTargetSize.Height - clipRect->LowerRightCorner.Y, + clipRect->getWidth(), clipRect->getHeight()); + } + + f32 left = (f32)destRect.UpperLeftCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f; + f32 right = (f32)destRect.LowerRightCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f; + f32 down = 2.f - (f32)destRect.LowerRightCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f; + f32 top = 2.f - (f32)destRect.UpperLeftCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f; + + S3DVertex vertices[4]; + vertices[0] = S3DVertex(left, top, 0, 0, 0, 1, useColor[0], tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y); + vertices[1] = S3DVertex(right, top, 0, 0, 0, 1, useColor[3], tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y); + vertices[2] = S3DVertex(right, down, 0, 0, 0, 1, useColor[2], tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y); + vertices[3] = S3DVertex(left, down, 0, 0, 0, 1, useColor[1], tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y); + + drawQuad(vt2DImage, vertices); + + if (clipRect) + glDisable(GL_SCISSOR_TEST); + + testGLError(__LINE__); + } + + void COpenGL3DriverBase::draw2DImage(const video::ITexture* texture, u32 layer, bool flip) + { + if (!texture) + return; + + chooseMaterial2D(); + if (!setMaterialTexture(0, texture )) + return; + + setRenderStates2DMode(false, true, true); + + S3DVertex quad2DVertices[4]; + + quad2DVertices[0].Pos = core::vector3df(-1.f, 1.f, 0.f); + quad2DVertices[1].Pos = core::vector3df(1.f, 1.f, 0.f); + quad2DVertices[2].Pos = core::vector3df(1.f, -1.f, 0.f); + quad2DVertices[3].Pos = core::vector3df(-1.f, -1.f, 0.f); + + f32 modificator = (flip) ? 1.f : 0.f; + + quad2DVertices[0].TCoords = core::vector2df(0.f, 0.f + modificator); + quad2DVertices[1].TCoords = core::vector2df(1.f, 0.f + modificator); + quad2DVertices[2].TCoords = core::vector2df(1.f, 1.f - modificator); + quad2DVertices[3].TCoords = core::vector2df(0.f, 1.f - modificator); + + quad2DVertices[0].Color = SColor(0xFFFFFFFF); + quad2DVertices[1].Color = SColor(0xFFFFFFFF); + quad2DVertices[2].Color = SColor(0xFFFFFFFF); + quad2DVertices[3].Color = SColor(0xFFFFFFFF); + + drawQuad(vt2DImage, quad2DVertices); + } + + void COpenGL3DriverBase::draw2DImageBatch(const video::ITexture* texture, + const core::array >& positions, + const core::array >& sourceRects, + const core::rect* clipRect, + SColor color, bool useAlphaChannelOfTexture) + { + if (!texture) + return; + + chooseMaterial2D(); + if (!setMaterialTexture(0, texture)) + return; + + setRenderStates2DMode(color.getAlpha() < 255, true, useAlphaChannelOfTexture); + + const core::dimension2d& renderTargetSize = getCurrentRenderTargetSize(); + + if (clipRect) + { + if (!clipRect->isValid()) + return; + + glEnable(GL_SCISSOR_TEST); + glScissor(clipRect->UpperLeftCorner.X, renderTargetSize.Height - clipRect->LowerRightCorner.Y, + clipRect->getWidth(), clipRect->getHeight()); + } + + const irr::u32 drawCount = core::min_(positions.size(), sourceRects.size()); + assert(6 * drawCount <= QuadIndexCount); // FIXME split the batch? or let it crash? + + core::array vtx(drawCount * 4); + + for (u32 i = 0; i < drawCount; i++) + { + core::position2d targetPos = positions[i]; + core::position2d sourcePos = sourceRects[i].UpperLeftCorner; + // This needs to be signed as it may go negative. + core::dimension2d sourceSize(sourceRects[i].getSize()); + + // now draw it. + + core::rect tcoords; + tcoords.UpperLeftCorner.X = (((f32)sourcePos.X)) / texture->getOriginalSize().Width ; + tcoords.UpperLeftCorner.Y = (((f32)sourcePos.Y)) / texture->getOriginalSize().Height; + tcoords.LowerRightCorner.X = tcoords.UpperLeftCorner.X + ((f32)(sourceSize.Width) / texture->getOriginalSize().Width); + tcoords.LowerRightCorner.Y = tcoords.UpperLeftCorner.Y + ((f32)(sourceSize.Height) / texture->getOriginalSize().Height); + + const core::rect poss(targetPos, sourceSize); + + f32 left = (f32)poss.UpperLeftCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f; + f32 right = (f32)poss.LowerRightCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f; + f32 down = 2.f - (f32)poss.LowerRightCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f; + f32 top = 2.f - (f32)poss.UpperLeftCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f; + + vtx.push_back(S3DVertex(left, top, 0.0f, + 0.0f, 0.0f, 0.0f, color, + tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y)); + vtx.push_back(S3DVertex(right, top, 0.0f, + 0.0f, 0.0f, 0.0f, color, + tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y)); + vtx.push_back(S3DVertex(right, down, 0.0f, + 0.0f, 0.0f, 0.0f, color, + tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y)); + vtx.push_back(S3DVertex(left, down, 0.0f, + 0.0f, 0.0f, 0.0f, color, + tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y)); + } + + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, QuadIndexBuffer); + drawElements(GL_TRIANGLES, vt2DImage, vtx.const_pointer(), vtx.size(), 0, 6 * drawCount); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); + + if (clipRect) + glDisable(GL_SCISSOR_TEST); + } + + + //! draw a 2d rectangle + void COpenGL3DriverBase::draw2DRectangle(SColor color, + const core::rect& position, + const core::rect* clip) + { + chooseMaterial2D(); + setMaterialTexture(0, 0); + + setRenderStates2DMode(color.getAlpha() < 255, false, false); + + core::rect pos = position; + + if (clip) + pos.clipAgainst(*clip); + + if (!pos.isValid()) + return; + + const core::dimension2d& renderTargetSize = getCurrentRenderTargetSize(); + + f32 left = (f32)pos.UpperLeftCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f; + f32 right = (f32)pos.LowerRightCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f; + f32 down = 2.f - (f32)pos.LowerRightCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f; + f32 top = 2.f - (f32)pos.UpperLeftCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f; + + S3DVertex vertices[4]; + vertices[0] = S3DVertex(left, top, 0, 0, 0, 1, color, 0, 0); + vertices[1] = S3DVertex(right, top, 0, 0, 0, 1, color, 0, 0); + vertices[2] = S3DVertex(right, down, 0, 0, 0, 1, color, 0, 0); + vertices[3] = S3DVertex(left, down, 0, 0, 0, 1, color, 0, 0); + + drawQuad(vtPrimitive, vertices); + } + + + //! draw an 2d rectangle + void COpenGL3DriverBase::draw2DRectangle(const core::rect& position, + SColor colorLeftUp, SColor colorRightUp, + SColor colorLeftDown, SColor colorRightDown, + const core::rect* clip) + { + core::rect pos = position; + + if (clip) + pos.clipAgainst(*clip); + + if (!pos.isValid()) + return; + + chooseMaterial2D(); + setMaterialTexture(0, 0); + + setRenderStates2DMode(colorLeftUp.getAlpha() < 255 || + colorRightUp.getAlpha() < 255 || + colorLeftDown.getAlpha() < 255 || + colorRightDown.getAlpha() < 255, false, false); + + const core::dimension2d& renderTargetSize = getCurrentRenderTargetSize(); + + f32 left = (f32)pos.UpperLeftCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f; + f32 right = (f32)pos.LowerRightCorner.X / (f32)renderTargetSize.Width * 2.f - 1.f; + f32 down = 2.f - (f32)pos.LowerRightCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f; + f32 top = 2.f - (f32)pos.UpperLeftCorner.Y / (f32)renderTargetSize.Height * 2.f - 1.f; + + S3DVertex vertices[4]; + vertices[0] = S3DVertex(left, top, 0, 0, 0, 1, colorLeftUp, 0, 0); + vertices[1] = S3DVertex(right, top, 0, 0, 0, 1, colorRightUp, 0, 0); + vertices[2] = S3DVertex(right, down, 0, 0, 0, 1, colorRightDown, 0, 0); + vertices[3] = S3DVertex(left, down, 0, 0, 0, 1, colorLeftDown, 0, 0); + + drawQuad(vtPrimitive, vertices); + } + + + //! Draws a 2d line. + void COpenGL3DriverBase::draw2DLine(const core::position2d& start, + const core::position2d& end, SColor color) + { + if (start==end) + drawPixel(start.X, start.Y, color); + else + { + chooseMaterial2D(); + setMaterialTexture(0, 0); + + setRenderStates2DMode(color.getAlpha() < 255, false, false); + + const core::dimension2d& renderTargetSize = getCurrentRenderTargetSize(); + + f32 startX = (f32)start.X / (f32)renderTargetSize.Width * 2.f - 1.f; + f32 endX = (f32)end.X / (f32)renderTargetSize.Width * 2.f - 1.f; + f32 startY = 2.f - (f32)start.Y / (f32)renderTargetSize.Height * 2.f - 1.f; + f32 endY = 2.f - (f32)end.Y / (f32)renderTargetSize.Height * 2.f - 1.f; + + S3DVertex vertices[2]; + vertices[0] = S3DVertex(startX, startY, 0, 0, 0, 1, color, 0, 0); + vertices[1] = S3DVertex(endX, endY, 0, 0, 0, 1, color, 1, 1); + + drawArrays(GL_LINES, vtPrimitive, vertices, 2); + } + } + + + //! Draws a pixel + void COpenGL3DriverBase::drawPixel(u32 x, u32 y, const SColor &color) + { + const core::dimension2d& renderTargetSize = getCurrentRenderTargetSize(); + if (x > (u32)renderTargetSize.Width || y > (u32)renderTargetSize.Height) + return; + + chooseMaterial2D(); + setMaterialTexture(0, 0); + + setRenderStates2DMode(color.getAlpha() < 255, false, false); + + f32 X = (f32)x / (f32)renderTargetSize.Width * 2.f - 1.f; + f32 Y = 2.f - (f32)y / (f32)renderTargetSize.Height * 2.f - 1.f; + + S3DVertex vertices[1]; + vertices[0] = S3DVertex(X, Y, 0, 0, 0, 1, color, 0, 0); + + drawArrays(GL_POINTS, vtPrimitive, vertices, 1); + } + + void COpenGL3DriverBase::drawQuad(const VertexType &vertexType, const S3DVertex (&vertices)[4]) + { + drawArrays(GL_TRIANGLE_FAN, vertexType, vertices, 4); + } + + void COpenGL3DriverBase::drawArrays(GLenum primitiveType, const VertexType &vertexType, const void *vertices, int vertexCount) + { + beginDraw(vertexType, reinterpret_cast(vertices)); + glDrawArrays(primitiveType, 0, vertexCount); + endDraw(vertexType); + } + + void COpenGL3DriverBase::drawElements(GLenum primitiveType, const VertexType &vertexType, const void *vertices, int vertexCount, const u16 *indices, int indexCount) + { + beginDraw(vertexType, reinterpret_cast(vertices)); + glDrawRangeElements(primitiveType, 0, vertexCount - 1, indexCount, GL_UNSIGNED_SHORT, indices); + endDraw(vertexType); + } + + void COpenGL3DriverBase::beginDraw(const VertexType &vertexType, uintptr_t verticesBase) + { + for (auto attr: vertexType) { + glEnableVertexAttribArray(attr.Index); + switch (attr.mode) { + case VertexAttribute::Mode::Regular: glVertexAttribPointer(attr.Index, attr.ComponentCount, attr.ComponentType, GL_FALSE, vertexType.VertexSize, reinterpret_cast(verticesBase + attr.Offset)); break; + case VertexAttribute::Mode::Normalized: glVertexAttribPointer(attr.Index, attr.ComponentCount, attr.ComponentType, GL_TRUE, vertexType.VertexSize, reinterpret_cast(verticesBase + attr.Offset)); break; + case VertexAttribute::Mode::Integral: glVertexAttribIPointer(attr.Index, attr.ComponentCount, attr.ComponentType, vertexType.VertexSize, reinterpret_cast(verticesBase + attr.Offset)); break; + } + } + } + + void COpenGL3DriverBase::endDraw(const VertexType &vertexType) + { + for (auto attr: vertexType) + glDisableVertexAttribArray(attr.Index); + } + + ITexture* COpenGL3DriverBase::createDeviceDependentTexture(const io::path& name, IImage* image) + { + core::array imageArray(1); + imageArray.push_back(image); + + COpenGL3Texture* texture = new COpenGL3Texture(name, imageArray, ETT_2D, this); + + return texture; + } + + ITexture* COpenGL3DriverBase::createDeviceDependentTextureCubemap(const io::path& name, const core::array& image) + { + COpenGL3Texture* texture = new COpenGL3Texture(name, image, ETT_CUBEMAP, this); + + return texture; + } + + //! Sets a material. + void COpenGL3DriverBase::setMaterial(const SMaterial& material) + { + Material = material; + OverrideMaterial.apply(Material); + + for (u32 i = 0; i < Feature.MaxTextureUnits; ++i) + { + CacheHandler->getTextureCache().set(i, material.getTexture(i)); + setTransform((E_TRANSFORMATION_STATE)(ETS_TEXTURE_0 + i), material.getTextureMatrix(i)); + } + } + + //! prints error if an error happened. + bool COpenGL3DriverBase::testGLError(int code) + { +#ifdef _DEBUG + GLenum g = glGetError(); + switch (g) + { + case GL_NO_ERROR: + return false; + case GL_INVALID_ENUM: + os::Printer::log("GL_INVALID_ENUM", core::stringc(code).c_str(), ELL_ERROR); + break; + case GL_INVALID_VALUE: + os::Printer::log("GL_INVALID_VALUE", core::stringc(code).c_str(), ELL_ERROR); + break; + case GL_INVALID_OPERATION: + os::Printer::log("GL_INVALID_OPERATION", core::stringc(code).c_str(), ELL_ERROR); + break; + case GL_OUT_OF_MEMORY: + os::Printer::log("GL_OUT_OF_MEMORY", core::stringc(code).c_str(), ELL_ERROR); + break; + }; + return true; +#else + return false; +#endif + } + + //! prints error if an error happened. + bool COpenGL3DriverBase::testEGLError() + { +#if defined(EGL_VERSION_1_0) && defined(_DEBUG) + EGLint g = eglGetError(); + switch (g) + { + case EGL_SUCCESS: + return false; + case EGL_NOT_INITIALIZED : + os::Printer::log("Not Initialized", ELL_ERROR); + break; + case EGL_BAD_ACCESS: + os::Printer::log("Bad Access", ELL_ERROR); + break; + case EGL_BAD_ALLOC: + os::Printer::log("Bad Alloc", ELL_ERROR); + break; + case EGL_BAD_ATTRIBUTE: + os::Printer::log("Bad Attribute", ELL_ERROR); + break; + case EGL_BAD_CONTEXT: + os::Printer::log("Bad Context", ELL_ERROR); + break; + case EGL_BAD_CONFIG: + os::Printer::log("Bad Config", ELL_ERROR); + break; + case EGL_BAD_CURRENT_SURFACE: + os::Printer::log("Bad Current Surface", ELL_ERROR); + break; + case EGL_BAD_DISPLAY: + os::Printer::log("Bad Display", ELL_ERROR); + break; + case EGL_BAD_SURFACE: + os::Printer::log("Bad Surface", ELL_ERROR); + break; + case EGL_BAD_MATCH: + os::Printer::log("Bad Match", ELL_ERROR); + break; + case EGL_BAD_PARAMETER: + os::Printer::log("Bad Parameter", ELL_ERROR); + break; + case EGL_BAD_NATIVE_PIXMAP: + os::Printer::log("Bad Native Pixmap", ELL_ERROR); + break; + case EGL_BAD_NATIVE_WINDOW: + os::Printer::log("Bad Native Window", ELL_ERROR); + break; + case EGL_CONTEXT_LOST: + os::Printer::log("Context Lost", ELL_ERROR); + break; + }; + return true; +#else + return false; +#endif + } + + + void COpenGL3DriverBase::setRenderStates3DMode() + { + if ( LockRenderStateMode ) + return; + + if (CurrentRenderMode != ERM_3D) + { + // Reset Texture Stages + CacheHandler->setBlend(false); + CacheHandler->setBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + + ResetRenderStates = true; + } + + if (ResetRenderStates || LastMaterial != Material) + { + // unset old material + + // unset last 3d material + if (CurrentRenderMode == ERM_2D && MaterialRenderer2DActive) + { + MaterialRenderer2DActive->OnUnsetMaterial(); + MaterialRenderer2DActive = 0; + } + else if (LastMaterial.MaterialType != Material.MaterialType && + static_cast(LastMaterial.MaterialType) < MaterialRenderers.size()) + MaterialRenderers[LastMaterial.MaterialType].Renderer->OnUnsetMaterial(); + + // set new material. + if (static_cast(Material.MaterialType) < MaterialRenderers.size()) + MaterialRenderers[Material.MaterialType].Renderer->OnSetMaterial( + Material, LastMaterial, ResetRenderStates, this); + + LastMaterial = Material; + CacheHandler->correctCacheMaterial(LastMaterial); + ResetRenderStates = false; + } + + if (static_cast(Material.MaterialType) < MaterialRenderers.size()) + MaterialRenderers[Material.MaterialType].Renderer->OnRender(this, video::EVT_STANDARD); + + CurrentRenderMode = ERM_3D; + } + + //! Can be called by an IMaterialRenderer to make its work easier. + void COpenGL3DriverBase::setBasicRenderStates(const SMaterial& material, const SMaterial& lastmaterial, bool resetAllRenderStates) + { + // ZBuffer + switch (material.ZBuffer) + { + case ECFN_DISABLED: + CacheHandler->setDepthTest(false); + break; + case ECFN_LESSEQUAL: + CacheHandler->setDepthTest(true); + CacheHandler->setDepthFunc(GL_LEQUAL); + break; + case ECFN_EQUAL: + CacheHandler->setDepthTest(true); + CacheHandler->setDepthFunc(GL_EQUAL); + break; + case ECFN_LESS: + CacheHandler->setDepthTest(true); + CacheHandler->setDepthFunc(GL_LESS); + break; + case ECFN_NOTEQUAL: + CacheHandler->setDepthTest(true); + CacheHandler->setDepthFunc(GL_NOTEQUAL); + break; + case ECFN_GREATEREQUAL: + CacheHandler->setDepthTest(true); + CacheHandler->setDepthFunc(GL_GEQUAL); + break; + case ECFN_GREATER: + CacheHandler->setDepthTest(true); + CacheHandler->setDepthFunc(GL_GREATER); + break; + case ECFN_ALWAYS: + CacheHandler->setDepthTest(true); + CacheHandler->setDepthFunc(GL_ALWAYS); + break; + case ECFN_NEVER: + CacheHandler->setDepthTest(true); + CacheHandler->setDepthFunc(GL_NEVER); + break; + default: + break; + } + + // ZWrite + if (getWriteZBuffer(material)) + { + CacheHandler->setDepthMask(true); + } + else + { + CacheHandler->setDepthMask(false); + } + + // Back face culling + if ((material.FrontfaceCulling) && (material.BackfaceCulling)) + { + CacheHandler->setCullFaceFunc(GL_FRONT_AND_BACK); + CacheHandler->setCullFace(true); + } + else if (material.BackfaceCulling) + { + CacheHandler->setCullFaceFunc(GL_BACK); + CacheHandler->setCullFace(true); + } + else if (material.FrontfaceCulling) + { + CacheHandler->setCullFaceFunc(GL_FRONT); + CacheHandler->setCullFace(true); + } + else + { + CacheHandler->setCullFace(false); + } + + // Color Mask + CacheHandler->setColorMask(material.ColorMask); + + // Blend Equation + if (material.BlendOperation == EBO_NONE) + CacheHandler->setBlend(false); + else + { + CacheHandler->setBlend(true); + + switch (material.BlendOperation) + { + case EBO_ADD: + CacheHandler->setBlendEquation(GL_FUNC_ADD); + break; + case EBO_SUBTRACT: + CacheHandler->setBlendEquation(GL_FUNC_SUBTRACT); + break; + case EBO_REVSUBTRACT: + CacheHandler->setBlendEquation(GL_FUNC_REVERSE_SUBTRACT); + break; + default: + break; + } + } + + // Blend Factor + if (IR(material.BlendFactor) & 0xFFFFFFFF // TODO: why the & 0xFFFFFFFF? + && material.MaterialType != EMT_ONETEXTURE_BLEND + ) + { + E_BLEND_FACTOR srcRGBFact = EBF_ZERO; + E_BLEND_FACTOR dstRGBFact = EBF_ZERO; + E_BLEND_FACTOR srcAlphaFact = EBF_ZERO; + E_BLEND_FACTOR dstAlphaFact = EBF_ZERO; + E_MODULATE_FUNC modulo = EMFN_MODULATE_1X; + u32 alphaSource = 0; + + unpack_textureBlendFuncSeparate(srcRGBFact, dstRGBFact, srcAlphaFact, dstAlphaFact, modulo, alphaSource, material.BlendFactor); + + CacheHandler->setBlendFuncSeparate(getGLBlend(srcRGBFact), getGLBlend(dstRGBFact), + getGLBlend(srcAlphaFact), getGLBlend(dstAlphaFact)); + } + + // TODO: Polygon Offset. Not sure if it was left out deliberately or if it won't work with this driver. + + if (resetAllRenderStates || lastmaterial.Thickness != material.Thickness) + glLineWidth(core::clamp(static_cast(material.Thickness), DimAliasedLine[0], DimAliasedLine[1])); + + // Anti aliasing + if (resetAllRenderStates || lastmaterial.AntiAliasing != material.AntiAliasing) + { + if (material.AntiAliasing & EAAM_ALPHA_TO_COVERAGE) + glEnable(GL_SAMPLE_ALPHA_TO_COVERAGE); + else if (lastmaterial.AntiAliasing & EAAM_ALPHA_TO_COVERAGE) + glDisable(GL_SAMPLE_ALPHA_TO_COVERAGE); + } + + // Texture parameters + setTextureRenderStates(material, resetAllRenderStates); + } + + //! Compare in SMaterial doesn't check texture parameters, so we should call this on each OnRender call. + void COpenGL3DriverBase::setTextureRenderStates(const SMaterial& material, bool resetAllRenderstates) + { + // Set textures to TU/TIU and apply filters to them + + for (s32 i = Feature.MaxTextureUnits - 1; i >= 0; --i) + { + const COpenGL3Texture* tmpTexture = CacheHandler->getTextureCache()[i]; + + if (!tmpTexture) + continue; + + GLenum tmpTextureType = tmpTexture->getOpenGLTextureType(); + + CacheHandler->setActiveTexture(GL_TEXTURE0 + i); + + if (resetAllRenderstates) + tmpTexture->getStatesCache().IsCached = false; + + if (!tmpTexture->getStatesCache().IsCached || material.TextureLayer[i].BilinearFilter != tmpTexture->getStatesCache().BilinearFilter || + material.TextureLayer[i].TrilinearFilter != tmpTexture->getStatesCache().TrilinearFilter) + { + glTexParameteri(tmpTextureType, GL_TEXTURE_MAG_FILTER, + (material.TextureLayer[i].BilinearFilter || material.TextureLayer[i].TrilinearFilter) ? GL_LINEAR : GL_NEAREST); + + tmpTexture->getStatesCache().BilinearFilter = material.TextureLayer[i].BilinearFilter; + tmpTexture->getStatesCache().TrilinearFilter = material.TextureLayer[i].TrilinearFilter; + } + + if (material.UseMipMaps && tmpTexture->hasMipMaps()) + { + if (!tmpTexture->getStatesCache().IsCached || material.TextureLayer[i].BilinearFilter != tmpTexture->getStatesCache().BilinearFilter || + material.TextureLayer[i].TrilinearFilter != tmpTexture->getStatesCache().TrilinearFilter || !tmpTexture->getStatesCache().MipMapStatus) + { + glTexParameteri(tmpTextureType, GL_TEXTURE_MIN_FILTER, + material.TextureLayer[i].TrilinearFilter ? GL_LINEAR_MIPMAP_LINEAR : + material.TextureLayer[i].BilinearFilter ? GL_LINEAR_MIPMAP_NEAREST : + GL_NEAREST_MIPMAP_NEAREST); + + tmpTexture->getStatesCache().BilinearFilter = material.TextureLayer[i].BilinearFilter; + tmpTexture->getStatesCache().TrilinearFilter = material.TextureLayer[i].TrilinearFilter; + tmpTexture->getStatesCache().MipMapStatus = true; + } + } + else + { + if (!tmpTexture->getStatesCache().IsCached || material.TextureLayer[i].BilinearFilter != tmpTexture->getStatesCache().BilinearFilter || + material.TextureLayer[i].TrilinearFilter != tmpTexture->getStatesCache().TrilinearFilter || tmpTexture->getStatesCache().MipMapStatus) + { + glTexParameteri(tmpTextureType, GL_TEXTURE_MIN_FILTER, + (material.TextureLayer[i].BilinearFilter || material.TextureLayer[i].TrilinearFilter) ? GL_LINEAR : GL_NEAREST); + + tmpTexture->getStatesCache().BilinearFilter = material.TextureLayer[i].BilinearFilter; + tmpTexture->getStatesCache().TrilinearFilter = material.TextureLayer[i].TrilinearFilter; + tmpTexture->getStatesCache().MipMapStatus = false; + } + } + + #ifdef GL_EXT_texture_filter_anisotropic + if (FeatureAvailable[COGLESCoreExtensionHandler::IRR_GL_EXT_texture_filter_anisotropic] && + (!tmpTexture->getStatesCache().IsCached || material.TextureLayer[i].AnisotropicFilter != tmpTexture->getStatesCache().AnisotropicFilter)) + { + glTexParameteri(tmpTextureType, GL_TEXTURE_MAX_ANISOTROPY_EXT, + material.TextureLayer[i].AnisotropicFilter>1 ? core::min_(MaxAnisotropy, material.TextureLayer[i].AnisotropicFilter) : 1); + + tmpTexture->getStatesCache().AnisotropicFilter = material.TextureLayer[i].AnisotropicFilter; + } + #endif + + if (!tmpTexture->getStatesCache().IsCached || material.TextureLayer[i].TextureWrapU != tmpTexture->getStatesCache().WrapU) + { + glTexParameteri(tmpTextureType, GL_TEXTURE_WRAP_S, getTextureWrapMode(material.TextureLayer[i].TextureWrapU)); + tmpTexture->getStatesCache().WrapU = material.TextureLayer[i].TextureWrapU; + } + + if (!tmpTexture->getStatesCache().IsCached || material.TextureLayer[i].TextureWrapV != tmpTexture->getStatesCache().WrapV) + { + glTexParameteri(tmpTextureType, GL_TEXTURE_WRAP_T, getTextureWrapMode(material.TextureLayer[i].TextureWrapV)); + tmpTexture->getStatesCache().WrapV = material.TextureLayer[i].TextureWrapV; + } + + tmpTexture->getStatesCache().IsCached = true; + } + } + + + // Get OpenGL ES2.0 texture wrap mode from Irrlicht wrap mode. + GLint COpenGL3DriverBase::getTextureWrapMode(u8 clamp) const + { + switch (clamp) + { + case ETC_CLAMP: + case ETC_CLAMP_TO_EDGE: + case ETC_CLAMP_TO_BORDER: + return GL_CLAMP_TO_EDGE; + case ETC_MIRROR: + return GL_REPEAT; + default: + return GL_REPEAT; + } + } + + + //! sets the needed renderstates + void COpenGL3DriverBase::setRenderStates2DMode(bool alpha, bool texture, bool alphaChannel) + { + if ( LockRenderStateMode ) + return; + + COpenGL3Renderer2D* nextActiveRenderer = texture ? MaterialRenderer2DTexture : MaterialRenderer2DNoTexture; + + if (CurrentRenderMode != ERM_2D) + { + // unset last 3d material + if (CurrentRenderMode == ERM_3D) + { + if (static_cast(LastMaterial.MaterialType) < MaterialRenderers.size()) + MaterialRenderers[LastMaterial.MaterialType].Renderer->OnUnsetMaterial(); + } + + CurrentRenderMode = ERM_2D; + } + else if ( MaterialRenderer2DActive && MaterialRenderer2DActive != nextActiveRenderer) + { + MaterialRenderer2DActive->OnUnsetMaterial(); + } + + MaterialRenderer2DActive = nextActiveRenderer; + + MaterialRenderer2DActive->OnSetMaterial(Material, LastMaterial, true, 0); + LastMaterial = Material; + CacheHandler->correctCacheMaterial(LastMaterial); + + // no alphaChannel without texture + alphaChannel &= texture; + + if (alphaChannel || alpha) + { + CacheHandler->setBlend(true); + CacheHandler->setBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + CacheHandler->setBlendEquation(GL_FUNC_ADD); + } + else + CacheHandler->setBlend(false); + + Material.setTexture(0, const_cast(CacheHandler->getTextureCache().get(0))); + setTransform(ETS_TEXTURE_0, core::IdentityMatrix); + + if (texture) + { + if (OverrideMaterial2DEnabled) + setTextureRenderStates(OverrideMaterial2D, false); + else + setTextureRenderStates(InitMaterial2D, false); + } + + MaterialRenderer2DActive->OnRender(this, video::EVT_STANDARD); + } + + + void COpenGL3DriverBase::chooseMaterial2D() + { + if (!OverrideMaterial2DEnabled) + Material = InitMaterial2D; + + if (OverrideMaterial2DEnabled) + { + OverrideMaterial2D.Lighting=false; + OverrideMaterial2D.ZWriteEnable=EZW_OFF; + OverrideMaterial2D.ZBuffer=ECFN_DISABLED; // it will be ECFN_DISABLED after merge + OverrideMaterial2D.Lighting=false; + + Material = OverrideMaterial2D; + } + } + + + //! \return Returns the name of the video driver. + const wchar_t* COpenGL3DriverBase::getName() const + { + return Name.c_str(); + } + + void COpenGL3DriverBase::setViewPort(const core::rect& area) + { + core::rect vp = area; + core::rect rendert(0, 0, getCurrentRenderTargetSize().Width, getCurrentRenderTargetSize().Height); + vp.clipAgainst(rendert); + + if (vp.getHeight() > 0 && vp.getWidth() > 0) + CacheHandler->setViewport(vp.UpperLeftCorner.X, getCurrentRenderTargetSize().Height - vp.UpperLeftCorner.Y - vp.getHeight(), vp.getWidth(), vp.getHeight()); + + ViewPort = vp; + } + + + void COpenGL3DriverBase::setViewPortRaw(u32 width, u32 height) + { + CacheHandler->setViewport(0, 0, width, height); + ViewPort = core::recti(0, 0, width, height); + } + + + //! Draws a 3d line. + void COpenGL3DriverBase::draw3DLine(const core::vector3df& start, + const core::vector3df& end, SColor color) + { + setRenderStates3DMode(); + + S3DVertex vertices[2]; + vertices[0] = S3DVertex(start.X, start.Y, start.Z, 0, 0, 1, color, 0, 0); + vertices[1] = S3DVertex(end.X, end.Y, end.Z, 0, 0, 1, color, 0, 0); + + drawArrays(GL_LINES, vtPrimitive, vertices, 2); + } + + + //! Only used by the internal engine. Used to notify the driver that + //! the window was resized. + void COpenGL3DriverBase::OnResize(const core::dimension2d& size) + { + CNullDriver::OnResize(size); + CacheHandler->setViewport(0, 0, size.Width, size.Height); + Transformation3DChanged = true; + } + + + //! Returns type of video driver + E_DRIVER_TYPE COpenGL3DriverBase::getDriverType() const + { + return EDT_OPENGL3; + } + + + //! returns color format + ECOLOR_FORMAT COpenGL3DriverBase::getColorFormat() const + { + return ColorFormat; + } + + + //! Get a vertex shader constant index. + s32 COpenGL3DriverBase::getVertexShaderConstantID(const c8* name) + { + return getPixelShaderConstantID(name); + } + + //! Get a pixel shader constant index. + s32 COpenGL3DriverBase::getPixelShaderConstantID(const c8* name) + { + os::Printer::log("Error: Please call services->getPixelShaderConstantID(), not VideoDriver->getPixelShaderConstantID()."); + return -1; + } + + //! Sets a vertex shader constant. + void COpenGL3DriverBase::setVertexShaderConstant(const f32* data, s32 startRegister, s32 constantAmount) + { + os::Printer::log("Error: Please call services->setVertexShaderConstant(), not VideoDriver->setPixelShaderConstant()."); + } + + //! Sets a pixel shader constant. + void COpenGL3DriverBase::setPixelShaderConstant(const f32* data, s32 startRegister, s32 constantAmount) + { + os::Printer::log("Error: Please call services->setPixelShaderConstant(), not VideoDriver->setPixelShaderConstant()."); + } + + //! Sets a constant for the vertex shader based on an index. + bool COpenGL3DriverBase::setVertexShaderConstant(s32 index, const f32* floats, int count) + { + os::Printer::log("Error: Please call services->setVertexShaderConstant(), not VideoDriver->setVertexShaderConstant()."); + return false; + } + + //! Int interface for the above. + bool COpenGL3DriverBase::setVertexShaderConstant(s32 index, const s32* ints, int count) + { + os::Printer::log("Error: Please call services->setVertexShaderConstant(), not VideoDriver->setVertexShaderConstant()."); + return false; + } + + bool COpenGL3DriverBase::setVertexShaderConstant(s32 index, const u32* ints, int count) + { + os::Printer::log("Error: Please call services->setVertexShaderConstant(), not VideoDriver->setVertexShaderConstant()."); + return false; + } + + //! Sets a constant for the pixel shader based on an index. + bool COpenGL3DriverBase::setPixelShaderConstant(s32 index, const f32* floats, int count) + { + os::Printer::log("Error: Please call services->setPixelShaderConstant(), not VideoDriver->setPixelShaderConstant()."); + return false; + } + + //! Int interface for the above. + bool COpenGL3DriverBase::setPixelShaderConstant(s32 index, const s32* ints, int count) + { + os::Printer::log("Error: Please call services->setPixelShaderConstant(), not VideoDriver->setPixelShaderConstant()."); + return false; + } + + bool COpenGL3DriverBase::setPixelShaderConstant(s32 index, const u32* ints, int count) + { + os::Printer::log("Error: Please call services->setPixelShaderConstant(), not VideoDriver->setPixelShaderConstant()."); + return false; + } + + //! Adds a new material renderer to the VideoDriver, using pixel and/or + //! vertex shaders to render geometry. + s32 COpenGL3DriverBase::addShaderMaterial(const c8* vertexShaderProgram, + const c8* pixelShaderProgram, + IShaderConstantSetCallBack* callback, + E_MATERIAL_TYPE baseMaterial, s32 userData) + { + os::Printer::log("No shader support."); + return -1; + } + + + //! Adds a new material renderer to the VideoDriver, using GLSL to render geometry. + s32 COpenGL3DriverBase::addHighLevelShaderMaterial( + const c8* vertexShaderProgram, + const c8* vertexShaderEntryPointName, + E_VERTEX_SHADER_TYPE vsCompileTarget, + const c8* pixelShaderProgram, + const c8* pixelShaderEntryPointName, + E_PIXEL_SHADER_TYPE psCompileTarget, + const c8* geometryShaderProgram, + const c8* geometryShaderEntryPointName, + E_GEOMETRY_SHADER_TYPE gsCompileTarget, + scene::E_PRIMITIVE_TYPE inType, + scene::E_PRIMITIVE_TYPE outType, + u32 verticesOut, + IShaderConstantSetCallBack* callback, + E_MATERIAL_TYPE baseMaterial, + s32 userData) + { + s32 nr = -1; + COpenGL3MaterialRenderer* r = new COpenGL3MaterialRenderer( + this, nr, vertexShaderProgram, + pixelShaderProgram, + callback, baseMaterial, userData); + + r->drop(); + return nr; + } + + //! Returns a pointer to the IVideoDriver interface. (Implementation for + //! IMaterialRendererServices) + IVideoDriver* COpenGL3DriverBase::getVideoDriver() + { + return this; + } + + + //! Returns pointer to the IGPUProgrammingServices interface. + IGPUProgrammingServices* COpenGL3DriverBase::getGPUProgrammingServices() + { + return this; + } + + ITexture* COpenGL3DriverBase::addRenderTargetTexture(const core::dimension2d& size, + const io::path& name, const ECOLOR_FORMAT format) + { + //disable mip-mapping + bool generateMipLevels = getTextureCreationFlag(ETCF_CREATE_MIP_MAPS); + setTextureCreationFlag(ETCF_CREATE_MIP_MAPS, false); + + COpenGL3Texture* renderTargetTexture = new COpenGL3Texture(name, size, ETT_2D, format, this); + addTexture(renderTargetTexture); + renderTargetTexture->drop(); + + //restore mip-mapping + setTextureCreationFlag(ETCF_CREATE_MIP_MAPS, generateMipLevels); + + return renderTargetTexture; + } + + ITexture* COpenGL3DriverBase::addRenderTargetTextureCubemap(const irr::u32 sideLen, const io::path& name, const ECOLOR_FORMAT format) + { + //disable mip-mapping + bool generateMipLevels = getTextureCreationFlag(ETCF_CREATE_MIP_MAPS); + setTextureCreationFlag(ETCF_CREATE_MIP_MAPS, false); + + bool supportForFBO = (Feature.ColorAttachment > 0); + + const core::dimension2d size(sideLen, sideLen); + core::dimension2du destSize(size); + + if (!supportForFBO) + { + destSize = core::dimension2d(core::min_(size.Width, ScreenSize.Width), core::min_(size.Height, ScreenSize.Height)); + destSize = destSize.getOptimalSize((size == size.getOptimalSize()), false, false); + } + + COpenGL3Texture* renderTargetTexture = new COpenGL3Texture(name, destSize, ETT_CUBEMAP, format, this); + addTexture(renderTargetTexture); + renderTargetTexture->drop(); + + //restore mip-mapping + setTextureCreationFlag(ETCF_CREATE_MIP_MAPS, generateMipLevels); + + return renderTargetTexture; + } + + + //! Returns the maximum amount of primitives + u32 COpenGL3DriverBase::getMaximalPrimitiveCount() const + { + return 65535; + } + + bool COpenGL3DriverBase::setRenderTargetEx(IRenderTarget* target, u16 clearFlag, SColor clearColor, f32 clearDepth, u8 clearStencil) + { + if (target && target->getDriverType() != getDriverType()) + { + os::Printer::log("Fatal Error: Tried to set a render target not owned by OpenGL 3 driver.", ELL_ERROR); + return false; + } + + core::dimension2d destRenderTargetSize(0, 0); + + if (target) + { + COpenGL3RenderTarget* renderTarget = static_cast(target); + + CacheHandler->setFBO(renderTarget->getBufferID()); + renderTarget->update(); + + destRenderTargetSize = renderTarget->getSize(); + + setViewPortRaw(destRenderTargetSize.Width, destRenderTargetSize.Height); + } + else + { + CacheHandler->setFBO(0); + + destRenderTargetSize = core::dimension2d(0, 0); + + setViewPortRaw(ScreenSize.Width, ScreenSize.Height); + } + + if (CurrentRenderTargetSize != destRenderTargetSize) + { + CurrentRenderTargetSize = destRenderTargetSize; + + Transformation3DChanged = true; + } + + CurrentRenderTarget = target; + + clearBuffers(clearFlag, clearColor, clearDepth, clearStencil); + + return true; + } + + void COpenGL3DriverBase::clearBuffers(u16 flag, SColor color, f32 depth, u8 stencil) + { + GLbitfield mask = 0; + u8 colorMask = 0; + bool depthMask = false; + + CacheHandler->getColorMask(colorMask); + CacheHandler->getDepthMask(depthMask); + + if (flag & ECBF_COLOR) + { + CacheHandler->setColorMask(ECP_ALL); + + const f32 inv = 1.0f / 255.0f; + glClearColor(color.getRed() * inv, color.getGreen() * inv, + color.getBlue() * inv, color.getAlpha() * inv); + + mask |= GL_COLOR_BUFFER_BIT; + } + + if (flag & ECBF_DEPTH) + { + CacheHandler->setDepthMask(true); + glClearDepthf(depth); + mask |= GL_DEPTH_BUFFER_BIT; + } + + if (flag & ECBF_STENCIL) + { + glClearStencil(stencil); + mask |= GL_STENCIL_BUFFER_BIT; + } + + if (mask) + glClear(mask); + + CacheHandler->setColorMask(colorMask); + CacheHandler->setDepthMask(depthMask); + } + + + //! Returns an image created from the last rendered frame. + // We want to read the front buffer to get the latest render finished. + // This is not possible under ogl-es, though, so one has to call this method + // outside of the render loop only. + IImage* COpenGL3DriverBase::createScreenShot(video::ECOLOR_FORMAT format, video::E_RENDER_TARGET target) + { + if (target==video::ERT_MULTI_RENDER_TEXTURES || target==video::ERT_RENDER_TEXTURE || target==video::ERT_STEREO_BOTH_BUFFERS) + return 0; + + GLint internalformat = GL_RGBA; + GLint type = GL_UNSIGNED_BYTE; + { +// glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_FORMAT, &internalformat); +// glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_TYPE, &type); + // there's a format we don't support ATM + if (GL_UNSIGNED_SHORT_4_4_4_4 == type) + { + internalformat = GL_RGBA; + type = GL_UNSIGNED_BYTE; + } + } + + IImage* newImage = 0; + if (GL_RGBA == internalformat) + { + if (GL_UNSIGNED_BYTE == type) + newImage = new CImage(ECF_A8R8G8B8, ScreenSize); + else + newImage = new CImage(ECF_A1R5G5B5, ScreenSize); + } + else + { + if (GL_UNSIGNED_BYTE == type) + newImage = new CImage(ECF_R8G8B8, ScreenSize); + else + newImage = new CImage(ECF_R5G6B5, ScreenSize); + } + + if (!newImage) + return 0; + + u8* pixels = static_cast(newImage->getData()); + if (!pixels) + { + newImage->drop(); + return 0; + } + + glReadPixels(0, 0, ScreenSize.Width, ScreenSize.Height, internalformat, type, pixels); + testGLError(__LINE__); + + // opengl images are horizontally flipped, so we have to fix that here. + const s32 pitch = newImage->getPitch(); + u8* p2 = pixels + (ScreenSize.Height - 1) * pitch; + u8* tmpBuffer = new u8[pitch]; + for (u32 i = 0; i < ScreenSize.Height; i += 2) + { + memcpy(tmpBuffer, pixels, pitch); + memcpy(pixels, p2, pitch); + memcpy(p2, tmpBuffer, pitch); + pixels += pitch; + p2 -= pitch; + } + delete [] tmpBuffer; + + // also GL_RGBA doesn't match the internal encoding of the image (which is BGRA) + if (GL_RGBA == internalformat && GL_UNSIGNED_BYTE == type) + { + pixels = static_cast(newImage->getData()); + for (u32 i = 0; i < ScreenSize.Height; i++) + { + for (u32 j = 0; j < ScreenSize.Width; j++) + { + u32 c = *(u32*) (pixels + 4 * j); + *(u32*) (pixels + 4 * j) = (c & 0xFF00FF00) | + ((c & 0x00FF0000) >> 16) | ((c & 0x000000FF) << 16); + } + pixels += pitch; + } + } + + if (testGLError(__LINE__)) + { + newImage->drop(); + return 0; + } + testGLError(__LINE__); + return newImage; + } + + void COpenGL3DriverBase::removeTexture(ITexture* texture) + { + CacheHandler->getTextureCache().remove(texture); + CNullDriver::removeTexture(texture); + } + + //! Set/unset a clipping plane. + bool COpenGL3DriverBase::setClipPlane(u32 index, const core::plane3df& plane, bool enable) + { + if (index >= UserClipPlane.size()) + UserClipPlane.push_back(SUserClipPlane()); + + UserClipPlane[index].Plane = plane; + UserClipPlane[index].Enabled = enable; + return true; + } + + //! Enable/disable a clipping plane. + void COpenGL3DriverBase::enableClipPlane(u32 index, bool enable) + { + UserClipPlane[index].Enabled = enable; + } + + //! Get the ClipPlane Count + u32 COpenGL3DriverBase::getClipPlaneCount() const + { + return UserClipPlane.size(); + } + + const core::plane3df& COpenGL3DriverBase::getClipPlane(irr::u32 index) const + { + if (index < UserClipPlane.size()) + return UserClipPlane[index].Plane; + else + { + _IRR_DEBUG_BREAK_IF(true) // invalid index + static const core::plane3df dummy; + return dummy; + } + } + + core::dimension2du COpenGL3DriverBase::getMaxTextureSize() const + { + return core::dimension2du(MaxTextureSize, MaxTextureSize); + } + + GLenum COpenGL3DriverBase::getGLBlend(E_BLEND_FACTOR factor) const + { + static GLenum const blendTable[] = + { + GL_ZERO, + GL_ONE, + GL_DST_COLOR, + GL_ONE_MINUS_DST_COLOR, + GL_SRC_COLOR, + GL_ONE_MINUS_SRC_COLOR, + GL_SRC_ALPHA, + GL_ONE_MINUS_SRC_ALPHA, + GL_DST_ALPHA, + GL_ONE_MINUS_DST_ALPHA, + GL_SRC_ALPHA_SATURATE + }; + + return blendTable[factor]; + } + + bool COpenGL3DriverBase::getColorFormatParameters(ECOLOR_FORMAT format, GLint& internalFormat, GLenum& pixelFormat, + GLenum& pixelType, void(**converter)(const void*, s32, void*)) const + { + bool supported = false; + pixelFormat = GL_RGBA; + pixelType = GL_UNSIGNED_BYTE; + *converter = 0; + + switch (format) + { + case ECF_A1R5G5B5: + supported = true; + pixelFormat = GL_RGBA; + pixelType = GL_UNSIGNED_SHORT_5_5_5_1; + *converter = CColorConverter::convert_A1R5G5B5toR5G5B5A1; + break; + case ECF_R5G6B5: + supported = true; + pixelFormat = GL_RGB; + pixelType = GL_UNSIGNED_SHORT_5_6_5; + break; + case ECF_R8G8B8: + supported = true; + pixelFormat = GL_RGB; + pixelType = GL_UNSIGNED_BYTE; + break; + case ECF_A8R8G8B8: + supported = true; + if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_IMG_texture_format_BGRA8888) || + queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_EXT_texture_format_BGRA8888) || + queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_APPLE_texture_format_BGRA8888)) + { + pixelFormat = GL_BGRA; + } + else + { + pixelFormat = GL_RGBA; + *converter = CColorConverter::convert_A8R8G8B8toA8B8G8R8; + } + pixelType = GL_UNSIGNED_BYTE; + break; +#ifdef GL_EXT_texture_compression_s3tc + case ECF_DXT1: + supported = true; + pixelFormat = GL_RGBA; + pixelType = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; + break; + case ECF_DXT2: + case ECF_DXT3: + supported = true; + pixelFormat = GL_RGBA; + pixelType = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; + break; + case ECF_DXT4: + case ECF_DXT5: + supported = true; + pixelFormat = GL_RGBA; + pixelType = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; + break; +#endif +#ifdef GL_OES_compressed_ETC1_RGB8_texture + case ECF_ETC1: + supported = true; + pixelFormat = GL_RGB; + pixelType = GL_ETC1_RGB8_OES; + break; +#endif +#ifdef GL_ES_VERSION_3_0 // TO-DO - fix when extension name will be available + case ECF_ETC2_RGB: + supported = true; + pixelFormat = GL_RGB; + pixelType = GL_COMPRESSED_RGB8_ETC2; + break; +#endif +#ifdef GL_ES_VERSION_3_0 // TO-DO - fix when extension name will be available + case ECF_ETC2_ARGB: + supported = true; + pixelFormat = GL_RGBA; + pixelType = GL_COMPRESSED_RGBA8_ETC2_EAC; + break; +#endif + case ECF_D16: + supported = true; + pixelFormat = GL_DEPTH_COMPONENT; + pixelType = GL_UNSIGNED_SHORT; + break; + case ECF_D32: +#if defined(GL_OES_depth32) + if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_OES_depth32)) + { + supported = true; + pixelFormat = GL_DEPTH_COMPONENT; + pixelType = GL_UNSIGNED_INT; + } +#endif + break; + case ECF_D24S8: +#ifdef GL_OES_packed_depth_stencil + if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_OES_packed_depth_stencil)) + { + supported = true; + pixelFormat = GL_DEPTH_STENCIL_OES; + pixelType = GL_UNSIGNED_INT_24_8_OES; + } +#endif + break; + case ECF_R8: +#if defined(GL_EXT_texture_rg) + if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_EXT_texture_rg)) + { + supported = true; + pixelFormat = GL_RED_EXT; + pixelType = GL_UNSIGNED_BYTE; + } +#endif + break; + case ECF_R8G8: +#if defined(GL_EXT_texture_rg) + if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_EXT_texture_rg)) + { + supported = true; + pixelFormat = GL_RG_EXT; + pixelType = GL_UNSIGNED_BYTE; + } +#endif + break; + case ECF_R16: + break; + case ECF_R16G16: + break; + case ECF_R16F: +#if defined(GL_OES_texture_half_float) && defined(GL_EXT_texture_rg) + if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_EXT_texture_rg) + && queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_OES_texture_half_float) + ) + { + supported = true; + pixelFormat = GL_RED_EXT; + pixelType = GL_HALF_FLOAT_OES ; + } +#endif + break; + case ECF_G16R16F: +#if defined(GL_OES_texture_half_float) && defined(GL_EXT_texture_rg) + if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_EXT_texture_rg) + && queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_OES_texture_half_float) + ) + { + supported = true; + pixelFormat = GL_RG_EXT; + pixelType = GL_HALF_FLOAT_OES ; + } +#endif + break; + case ECF_A16B16G16R16F: +#if defined(GL_OES_texture_half_float) + if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_OES_texture_half_float)) + { + supported = true; + pixelFormat = GL_RGBA; + pixelType = GL_HALF_FLOAT_OES ; + } +#endif + break; + case ECF_R32F: +#if defined(GL_OES_texture_float) && defined(GL_EXT_texture_rg) + if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_EXT_texture_rg) + && queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_OES_texture_float) + ) + { + supported = true; + pixelFormat = GL_RED_EXT; + pixelType = GL_FLOAT; + } +#endif + break; + case ECF_G32R32F: +#if defined(GL_OES_texture_float) && defined(GL_EXT_texture_rg) + if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_EXT_texture_rg) + && queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_OES_texture_float) + ) + { + supported = true; + pixelFormat = GL_RG_EXT; + pixelType = GL_FLOAT; + } +#endif + break; + case ECF_A32B32G32R32F: +#if defined(GL_OES_texture_float) + if (queryGLESFeature(COGLESCoreExtensionHandler::IRR_GL_OES_texture_half_float)) + { + supported = true; + pixelFormat = GL_RGBA; + pixelType = GL_FLOAT ; + } +#endif + break; + default: + break; + } + + // ES 2.0 says internalFormat must match pixelFormat (chapter 3.7.1 in Spec). + // Doesn't mention if "match" means "equal" or some other way of matching, but + // some bug on Emscripten and browsing discussions by others lead me to believe + // it means they have to be equal. Note that this was different in OpenGL. + internalFormat = pixelFormat; + +#ifdef _IRR_IOS_PLATFORM_ + if (internalFormat == GL_BGRA) + internalFormat = GL_RGBA; +#endif + + return supported; + } + + bool COpenGL3DriverBase::queryTextureFormat(ECOLOR_FORMAT format) const + { + GLint dummyInternalFormat; + GLenum dummyPixelFormat; + GLenum dummyPixelType; + void (*dummyConverter)(const void*, s32, void*); + return getColorFormatParameters(format, dummyInternalFormat, dummyPixelFormat, dummyPixelType, &dummyConverter); + } + + bool COpenGL3DriverBase::needsTransparentRenderPass(const irr::video::SMaterial& material) const + { + return CNullDriver::needsTransparentRenderPass(material) || material.isAlphaBlendOperation(); + } + + const SMaterial& COpenGL3DriverBase::getCurrentMaterial() const + { + return Material; + } + + COpenGL3CacheHandler* COpenGL3DriverBase::getCacheHandler() const + { + return CacheHandler; + } + +} // end namespace +} // end namespace