142 lines
4.3 KiB
C++
142 lines
4.3 KiB
C++
// Copyright (C) 2009-2010 Amundis
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// Heavily based on the OpenGL driver implemented by Nikolaus Gebhardt
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// and OpenGL ES driver implemented by Christian Stehno
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in Irrlicht.h
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#ifndef __C_OGLES2_SL_MATERIAL_RENDERER_H_INCLUDED__
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#define __C_OGLES2_SL_MATERIAL_RENDERER_H_INCLUDED__
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_OGLES2_
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#include "IMaterialRenderer.h"
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#include "IMaterialRendererServices.h"
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#include "IGPUProgrammingServices.h"
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#include "irrArray.h"
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#include "irrString.h"
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namespace irr
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{
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namespace io
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{
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class IFileSystem;
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}
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namespace video
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{
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class COGLES2Driver;
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class IShaderConstantSetCallBack;
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//! Class for using GLSL shaders with OpenGL
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//! Please note: This renderer implements its own IMaterialRendererServices
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class COGLES2SLMaterialRenderer : public IMaterialRenderer, public IMaterialRendererServices
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{
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protected:
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struct SUniformInfo
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{
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u32 type;
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s32 location;
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};
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typedef SUniformInfo SAttributeInfo;
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public:
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//! Constructor
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COGLES2SLMaterialRenderer(COGLES2Driver* driver,
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s32& outMaterialTypeNr,
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const c8* vertexShaderProgram,
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const c8* pixelShaderProgram,
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IShaderConstantSetCallBack* callback,
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IMaterialRenderer* baseMaterial,
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s32 userData);
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//! Destructor
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virtual ~COGLES2SLMaterialRenderer();
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virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
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bool resetAllRenderstates, IMaterialRendererServices* services);
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virtual bool OnRender(IMaterialRendererServices* service, E_VERTEX_TYPE vtxtype);
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virtual bool PostRender(IMaterialRendererServices* service, E_VERTEX_TYPE vtxtype);
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virtual void OnUnsetMaterial();
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//! Returns if the material is transparent.
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virtual bool isTransparent() const;
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// implementations for the render services
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virtual void setBasicRenderStates(const SMaterial& material, const SMaterial& lastMaterial, bool resetAllRenderstates);
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virtual bool setVertexShaderConstant(const c8* name, const f32* floats, int count);
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virtual void setVertexShaderConstant(const f32* data, s32 startRegister, s32 constantAmount = 1);
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virtual bool setPixelShaderConstant(const c8* name, const f32* floats, int count);
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virtual void setPixelShaderConstant(const f32* data, s32 startRegister, s32 constantAmount = 1);
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bool setUniform(int index, const void* data, int count = 1);
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virtual bool setVertexShaderPointer(const c8* name, const void* pointer, s32 size = 3, bool normalized = false, u16 stride = 0);
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virtual void enableVertexShaderPointer(const c8* name);
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virtual void disableVertexShaderPointer(const c8* name);
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bool setTextureUnit(const c8* name, int unit);
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virtual bool enableMaterialTexture(const c8* name, int materialId);
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virtual bool disableMaterialTexture(int materialId);
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virtual IVideoDriver* getVideoDriver();
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void useProgram();
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protected:
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//! constructor only for use by derived classes who want to
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//! create a fall back material for example.
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COGLES2SLMaterialRenderer(COGLES2Driver* driver,
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io::IFileSystem* fs,
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IShaderConstantSetCallBack* callback,
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IMaterialRenderer* baseMaterial,
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const char* const* uniformStringTable,
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const u32& uniformCount,
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s32 userData = 0);
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bool init(s32& outMaterialTypeNr,
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const c8* vertexShaderProgram,
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const c8* pixelShaderProgram,
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bool registerMaterial = true);
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bool initFromFiles(s32& outMaterialTypeNr,
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const c8* vertexShaderFile,
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const c8* pixelShaderFile,
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bool registerMaterial = true);
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bool reloadFromFiles(const c8* vertexShaderFile,
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const c8* pixelShaderFile);
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bool readVertexShader(const c8* vertexShaderFile);
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bool readFragmentShader(const c8* fragmentShaderFile);
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bool readShader(u32 shaderType, const c8* shaderFile);
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bool createProgram();
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bool createShader(u32 shaderType, const char* shader, const char* shaderFile);
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bool linkProgram();
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COGLES2Driver* Driver;
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IShaderConstantSetCallBack* CallBack;
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IMaterialRenderer* BaseMaterial;
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io::IFileSystem* FileSystem;
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u32 Program;
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core::array<SUniformInfo> UniformInfo;
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core::array<SAttributeInfo> AttributeInfo;
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s32 UserData;
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const char* const* UniformStringTable;
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const int UniformCount;
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};
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} // end namespace video
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} // end namespace irr
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#endif //_IRR_COMPILE_WITH_OPENGLES2_
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#endif //__C_OPEN_GL_ES2_SL_MATERIAL_RENDERER_H_INCLUDED__
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