source/Irrlicht/OpenGL/Renderer2D.cpp

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