1 // Copyright (C) 2002-2012 Nikolaus Gebhardt 2 // This file is part of the "Irrlicht Engine". 3 // For conditions of distribution and use, see copyright notice in irrlicht.h 4 5 #ifndef __C_OPENGL_SHADER_MATERIAL_RENDERER_H_INCLUDED__ 6 #define __C_OPENGL_SHADER_MATERIAL_RENDERER_H_INCLUDED__ 7 8 #include "IrrCompileConfig.h" 9 #ifdef _IRR_COMPILE_WITH_OPENGL_ 10 11 #if defined(_IRR_OPENGL_USE_EXTPOINTER_) 12 #define GL_GLEXT_LEGACY 1 13 #else 14 #define GL_GLEXT_PROTOTYPES 1 15 #endif 16 #ifdef _IRR_WINDOWS_API_ 17 #define WIN32_LEAN_AND_MEAN 18 #include <windows.h> 19 #include <GL/gl.h> 20 #elif defined(_IRR_OSX_PLATFORM_) 21 #include <OpenGL/gl.h> 22 #elif defined(_IRR_COMPILE_WITH_SDL_DEVICE_) 23 #define NO_SDL_GLEXT 24 #include <SDL/SDL_video.h> 25 #include <SDL/SDL_opengl.h> 26 #else 27 #include <GL/gl.h> 28 #endif 29 30 #include "IMaterialRenderer.h" 31 32 namespace irr 33 { 34 namespace video 35 { 36 37 class COpenGLDriver; 38 class IShaderConstantSetCallBack; 39 class IMaterialRenderer; 40 41 //! Class for using vertex and pixel shaders with OpenGL 42 class COpenGLShaderMaterialRenderer : public IMaterialRenderer 43 { 44 public: 45 46 //! Constructor 47 COpenGLShaderMaterialRenderer(COpenGLDriver* driver, 48 s32& outMaterialTypeNr, const c8* vertexShaderProgram, const c8* pixelShaderProgram, 49 IShaderConstantSetCallBack* callback, IMaterialRenderer* baseMaterial, s32 userData); 50 51 //! Destructor 52 virtual ~COpenGLShaderMaterialRenderer(); 53 54 virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial, 55 bool resetAllRenderstates, IMaterialRendererServices* services); 56 57 virtual bool OnRender(IMaterialRendererServices* service, E_VERTEX_TYPE vtxtype); 58 59 virtual void OnUnsetMaterial(); 60 61 //! Returns if the material is transparent. 62 virtual bool isTransparent() const; 63 64 protected: 65 66 //! constructor only for use by derived classes who want to 67 //! create a fall back material for example. 68 COpenGLShaderMaterialRenderer(COpenGLDriver* driver, 69 IShaderConstantSetCallBack* callback, 70 IMaterialRenderer* baseMaterial, s32 userData=0); 71 72 // must not be called more than once! 73 void init(s32& outMaterialTypeNr, const c8* vertexShaderProgram, 74 const c8* pixelShaderProgram, E_VERTEX_TYPE type); 75 76 bool createPixelShader(const c8* pxsh); 77 bool createVertexShader(const c8* vtxsh); 78 bool checkError(const irr::c8* type); 79 80 COpenGLDriver* Driver; 81 IShaderConstantSetCallBack* CallBack; 82 IMaterialRenderer* BaseMaterial; 83 84 GLuint VertexShader; 85 // We have 4 values here, [0] is the non-fog version, the other three are 86 // ARB_fog_linear, ARB_fog_exp, and ARB_fog_exp2 in that order 87 core::array<GLuint> PixelShader; 88 s32 UserData; 89 }; 90 91 92 } // end namespace video 93 } // end namespace irr 94 95 #endif 96 #endif 97 98