mirror of https://github.com/minetest/irrlicht.git
126 lines
3.9 KiB
C++
126 lines
3.9 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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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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#pragma once
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#ifdef _IRR_COMPILE_WITH_OPENGL_
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#include "EMaterialTypes.h"
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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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#include "COpenGLCommon.h"
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namespace irr
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{
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namespace video
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{
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class COpenGLDriver;
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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 COpenGLSLMaterialRenderer : public IMaterialRenderer, public IMaterialRendererServices
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{
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public:
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//! Constructor
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COpenGLSLMaterialRenderer(
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COpenGLDriver *driver,
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s32 &outMaterialTypeNr,
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const c8 *vertexShaderProgram = 0,
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const c8 *vertexShaderEntryPointName = 0,
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E_VERTEX_SHADER_TYPE vsCompileTarget = video::EVST_VS_1_1,
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const c8 *pixelShaderProgram = 0,
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const c8 *pixelShaderEntryPointName = 0,
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E_PIXEL_SHADER_TYPE psCompileTarget = video::EPST_PS_1_1,
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const c8 *geometryShaderProgram = 0,
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const c8 *geometryShaderEntryPointName = "main",
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E_GEOMETRY_SHADER_TYPE gsCompileTarget = EGST_GS_4_0,
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scene::E_PRIMITIVE_TYPE inType = scene::EPT_TRIANGLES,
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scene::E_PRIMITIVE_TYPE outType = scene::EPT_TRIANGLE_STRIP,
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u32 verticesOut = 0,
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IShaderConstantSetCallBack *callback = 0,
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E_MATERIAL_TYPE baseMaterial = EMT_SOLID,
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s32 userData = 0);
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//! Destructor
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virtual ~COpenGLSLMaterialRenderer();
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virtual void OnSetMaterial(const SMaterial &material, const SMaterial &lastMaterial,
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bool resetAllRenderstates, IMaterialRendererServices *services) override;
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bool OnRender(IMaterialRendererServices *service, E_VERTEX_TYPE vtxtype) override;
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void OnUnsetMaterial() override;
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//! Returns if the material is transparent.
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bool isTransparent() const override;
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//! Access the callback provided by the users when creating shader materials
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IShaderConstantSetCallBack *getShaderConstantSetCallBack() const override
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{
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return CallBack;
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}
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// implementations for the render services
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void setBasicRenderStates(const SMaterial &material, const SMaterial &lastMaterial, bool resetAllRenderstates) override;
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s32 getVertexShaderConstantID(const c8 *name) override;
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s32 getPixelShaderConstantID(const c8 *name) override;
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bool setVertexShaderConstant(s32 index, const f32 *floats, int count) override;
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bool setVertexShaderConstant(s32 index, const s32 *ints, int count) override;
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bool setVertexShaderConstant(s32 index, const u32 *ints, int count) override;
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bool setPixelShaderConstant(s32 index, const f32 *floats, int count) override;
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bool setPixelShaderConstant(s32 index, const s32 *ints, int count) override;
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bool setPixelShaderConstant(s32 index, const u32 *ints, int count) override;
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IVideoDriver *getVideoDriver() override;
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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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COpenGLSLMaterialRenderer(COpenGLDriver *driver,
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IShaderConstantSetCallBack *callback,
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E_MATERIAL_TYPE baseMaterial,
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s32 userData = 0);
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void init(s32 &outMaterialTypeNr,
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const c8 *vertexShaderProgram,
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const c8 *pixelShaderProgram,
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const c8 *geometryShaderProgram,
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scene::E_PRIMITIVE_TYPE inType = scene::EPT_TRIANGLES,
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scene::E_PRIMITIVE_TYPE outType = scene::EPT_TRIANGLE_STRIP,
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u32 verticesOut = 0);
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bool createProgram();
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bool createShader(GLenum shaderType, const char *shader);
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bool linkProgram();
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COpenGLDriver *Driver;
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IShaderConstantSetCallBack *CallBack;
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bool Alpha;
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bool Blending;
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bool AlphaTest;
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struct SUniformInfo
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{
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core::stringc name;
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GLenum type;
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GLint location;
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};
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GLhandleARB Program;
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GLuint Program2;
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core::array<SUniformInfo> UniformInfo;
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s32 UserData;
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};
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} // end namespace video
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} // end namespace irr
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#endif // compile with OpenGL
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