1 // Copyright (C) 2002-2012 Nikolaus Gebhardt
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2 // This file is part of the "Irrlicht Engine".
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3 // For conditions of distribution and use, see copyright notice in irrlicht.h
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5 #ifndef __C_OPENGL_SHADER_LANGUAGE_MATERIAL_RENDERER_H_INCLUDED__
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6 #define __C_OPENGL_SHADER_LANGUAGE_MATERIAL_RENDERER_H_INCLUDED__
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8 #include "IrrCompileConfig.h"
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10 #ifdef _IRR_COMPILE_WITH_OPENGL_
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12 #include "EMaterialTypes.h"
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13 #include "IMaterialRenderer.h"
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14 #include "IMaterialRendererServices.h"
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15 #include "IGPUProgrammingServices.h"
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16 #include "irrArray.h"
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17 #include "irrString.h"
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19 #include "COpenGLCommon.h"
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26 class COpenGLDriver;
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27 class IShaderConstantSetCallBack;
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29 //! Class for using GLSL shaders with OpenGL
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30 //! Please note: This renderer implements its own IMaterialRendererServices
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31 class COpenGLSLMaterialRenderer : public IMaterialRenderer, public IMaterialRendererServices
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36 COpenGLSLMaterialRenderer(
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37 COpenGLDriver* driver,
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38 s32& outMaterialTypeNr,
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39 const c8* vertexShaderProgram = 0,
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40 const c8* vertexShaderEntryPointName = 0,
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41 E_VERTEX_SHADER_TYPE vsCompileTarget = video::EVST_VS_1_1,
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42 const c8* pixelShaderProgram = 0,
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43 const c8* pixelShaderEntryPointName = 0,
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44 E_PIXEL_SHADER_TYPE psCompileTarget = video::EPST_PS_1_1,
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45 const c8* geometryShaderProgram = 0,
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46 const c8* geometryShaderEntryPointName = "main",
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47 E_GEOMETRY_SHADER_TYPE gsCompileTarget = EGST_GS_4_0,
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48 scene::E_PRIMITIVE_TYPE inType = scene::EPT_TRIANGLES,
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49 scene::E_PRIMITIVE_TYPE outType = scene::EPT_TRIANGLE_STRIP,
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50 u32 verticesOut = 0,
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51 IShaderConstantSetCallBack* callback = 0,
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52 E_MATERIAL_TYPE baseMaterial = EMT_SOLID,
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56 virtual ~COpenGLSLMaterialRenderer();
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58 virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
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59 bool resetAllRenderstates, IMaterialRendererServices* services) override;
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61 bool OnRender(IMaterialRendererServices* service, E_VERTEX_TYPE vtxtype) override;
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63 void OnUnsetMaterial() override;
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65 //! Returns if the material is transparent.
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66 bool isTransparent() const override;
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68 //! Access the callback provided by the users when creating shader materials
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69 IShaderConstantSetCallBack* getShaderConstantSetCallBack() const override
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74 // implementations for the render services
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75 void setBasicRenderStates(const SMaterial& material, const SMaterial& lastMaterial, bool resetAllRenderstates) override;
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76 s32 getVertexShaderConstantID(const c8* name) override;
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77 s32 getPixelShaderConstantID(const c8* name) override;
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78 void setVertexShaderConstant(const f32* data, s32 startRegister, s32 constantAmount=1) override;
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79 void setPixelShaderConstant(const f32* data, s32 startRegister, s32 constantAmount=1) override;
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80 bool setVertexShaderConstant(s32 index, const f32* floats, int count) override;
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81 bool setVertexShaderConstant(s32 index, const s32* ints, int count) override;
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82 bool setVertexShaderConstant(s32 index, const u32* ints, int count) override;
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83 bool setPixelShaderConstant(s32 index, const f32* floats, int count) override;
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84 bool setPixelShaderConstant(s32 index, const s32* ints, int count) override;
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85 bool setPixelShaderConstant(s32 index, const u32* ints, int count) override;
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86 IVideoDriver* getVideoDriver() override;
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90 //! constructor only for use by derived classes who want to
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91 //! create a fall back material for example.
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92 COpenGLSLMaterialRenderer(COpenGLDriver* driver,
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93 IShaderConstantSetCallBack* callback,
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94 E_MATERIAL_TYPE baseMaterial,
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97 void init(s32& outMaterialTypeNr,
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98 const c8* vertexShaderProgram,
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99 const c8* pixelShaderProgram,
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100 const c8* geometryShaderProgram,
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101 scene::E_PRIMITIVE_TYPE inType=scene::EPT_TRIANGLES,
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102 scene::E_PRIMITIVE_TYPE outType=scene::EPT_TRIANGLE_STRIP,
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103 u32 verticesOut=0);
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105 bool createProgram();
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106 bool createShader(GLenum shaderType, const char* shader);
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107 bool linkProgram();
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109 COpenGLDriver* Driver;
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110 IShaderConstantSetCallBack* CallBack;
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114 bool FixedBlending;
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117 struct SUniformInfo
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119 core::stringc name;
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124 GLhandleARB Program;
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126 core::array<SUniformInfo> UniformInfo;
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131 } // end namespace video
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132 } // end namespace irr
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134 #endif // compile with OpenGL
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135 #endif // if included
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