source/Irrlicht/OpenGL/Renderer2D.cpp

   1 // Copyright (C) 2014 Patryk Nadrowski
   2 // This file is part of the "Irrlicht Engine".
   3 // For conditions of distribution and use, see copyright notice in Irrlicht.h
   4
   5 #include "Renderer2D.h"
   6
   7 #include "IGPUProgrammingServices.h"
   8 #include "os.h"
   9
  10 #include "Driver.h"
  11
  12 #include "COpenGLCoreFeature.h"
  13 #include "COpenGLCoreTexture.h"
  14 #include "COpenGLCoreCacheHandler.h"
  15
  16 namespace irr
  17 {
  18 namespace video
  19 {
  20
  21 COpenGL3Renderer2D::COpenGL3Renderer2D(const c8* vertexShaderProgram, const c8* pixelShaderProgram, COpenGL3DriverBase* driver, bool withTexture) :
  22         COpenGL3MaterialRenderer(driver, 0, EMT_SOLID),
  23         WithTexture(withTexture)
  24 {
  25 #ifdef _DEBUG
  26         setDebugName("Renderer2D");
  27 #endif
  28
  29         int Temp = 0;
  30
  31         init(Temp, vertexShaderProgram, pixelShaderProgram, false);
  32
  33         COpenGL3CacheHandler* cacheHandler = Driver->getCacheHandler();
  34
  35         cacheHandler->setProgram(Program);
  36
  37         // These states don't change later.
  38
  39         ThicknessID = getPixelShaderConstantID("uThickness");
  40         if ( WithTexture )
  41         {
  42                 TextureUsageID = getPixelShaderConstantID("uTextureUsage");
  43                 s32 TextureUnitID = getPixelShaderConstantID("uTextureUnit");
  44
  45                 s32 TextureUnit = 0;
  46                 setPixelShaderConstant(TextureUnitID, &TextureUnit, 1);
  47
  48                 s32 TextureUsage = 0;
  49                 setPixelShaderConstant(TextureUsageID, &TextureUsage, 1);
  50         }
  51
  52         cacheHandler->setProgram(0);
  53 }
  54
  55 COpenGL3Renderer2D::~COpenGL3Renderer2D()
  56 {
  57 }
  58
  59 void COpenGL3Renderer2D::OnSetMaterial(const video::SMaterial& material,
  60                                 const video::SMaterial& lastMaterial,
  61                                 bool resetAllRenderstates,
  62                                 video::IMaterialRendererServices* services)
  63 {
  64         Driver->getCacheHandler()->setProgram(Program);
  65         Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);
  66
  67         f32 Thickness = (material.Thickness > 0.f) ? material.Thickness : 1.f;
  68         setPixelShaderConstant(ThicknessID, &Thickness, 1);
  69
  70         if ( WithTexture )
  71         {
  72                 s32 TextureUsage = material.TextureLayer[0].Texture ? 1 : 0;
  73                 setPixelShaderConstant(TextureUsageID, &TextureUsage, 1);
  74         }
  75 }
  76
  77 bool COpenGL3Renderer2D::OnRender(IMaterialRendererServices* service, E_VERTEX_TYPE vtxtype)
  78 {
  79         return true;
  80 }
  81
  82 }
  83 }