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// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#ifndef __C_OPENGL_SHADER_LANGUAGE_MATERIAL_RENDERER_H_INCLUDED__
#define __C_OPENGL_SHADER_LANGUAGE_MATERIAL_RENDERER_H_INCLUDED__
#include "IrrCompileConfig.h"
#ifdef _IRR_COMPILE_WITH_OPENGL_
#ifdef _IRR_WINDOWS_API_
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <GL/gl.h>
#include "glext.h"
#else
#if defined(_IRR_OPENGL_USE_EXTPOINTER_)
#define GL_GLEXT_LEGACY 1
#else
#define GL_GLEXT_PROTOTYPES 1
#endif
#if defined(_IRR_OSX_PLATFORM_)
#include <OpenGL/gl.h>
#else
#include <GL/gl.h>
#endif
#if defined(_IRR_OPENGL_USE_EXTPOINTER_)
#include <GL/glext.h>
#endif
#endif
#include "IMaterialRenderer.h"
#include "IMaterialRendererServices.h"
#include "IGPUProgrammingServices.h"
#include "irrArray.h"
#include "irrString.h"
namespace irr
{
namespace video
{
class COpenGLDriver;
class IShaderConstantSetCallBack;
//! Class for using GLSL shaders with OpenGL
//! Please note: This renderer implements its own IMaterialRendererServices
class COpenGLSLMaterialRenderer : public IMaterialRenderer, public IMaterialRendererServices
{
public:
//! Constructor
COpenGLSLMaterialRenderer(
COpenGLDriver* driver,
s32& outMaterialTypeNr,
const c8* vertexShaderProgram = 0,
const c8* vertexShaderEntryPointName = 0,
E_VERTEX_SHADER_TYPE vsCompileTarget = video::EVST_VS_1_1,
const c8* pixelShaderProgram = 0,
const c8* pixelShaderEntryPointName = 0,
E_PIXEL_SHADER_TYPE psCompileTarget = video::EPST_PS_1_1,
const c8* geometryShaderProgram = 0,
const c8* geometryShaderEntryPointName = "main",
E_GEOMETRY_SHADER_TYPE gsCompileTarget = EGST_GS_4_0,
scene::E_PRIMITIVE_TYPE inType = scene::EPT_TRIANGLES,
scene::E_PRIMITIVE_TYPE outType = scene::EPT_TRIANGLE_STRIP,
u32 verticesOut = 0,
IShaderConstantSetCallBack* callback = 0,
IMaterialRenderer* baseMaterial = 0,
s32 userData = 0);
//! Destructor
virtual ~COpenGLSLMaterialRenderer();
virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
bool resetAllRenderstates, IMaterialRendererServices* services);
virtual bool OnRender(IMaterialRendererServices* service, E_VERTEX_TYPE vtxtype);
virtual void OnUnsetMaterial();
//! Returns if the material is transparent.
virtual bool isTransparent() const;
// implementations for the render services
virtual void setBasicRenderStates(const SMaterial& material, const SMaterial& lastMaterial, bool resetAllRenderstates);
virtual bool setVertexShaderConstant(const c8* name, const f32* floats, int count);
virtual bool setVertexShaderConstant(const c8* name, const bool* bools, int count);
virtual bool setVertexShaderConstant(const c8* name, const s32* ints, int count);
virtual void setVertexShaderConstant(const f32* data, s32 startRegister, s32 constantAmount=1);
virtual bool setPixelShaderConstant(const c8* name, const f32* floats, int count);
virtual bool setPixelShaderConstant(const c8* name, const bool* bools, int count);
virtual bool setPixelShaderConstant(const c8* name, const s32* ints, int count);
virtual void setPixelShaderConstant(const f32* data, s32 startRegister, s32 constantAmount=1);
virtual IVideoDriver* getVideoDriver();
protected:
//! constructor only for use by derived classes who want to
//! create a fall back material for example.
COpenGLSLMaterialRenderer(COpenGLDriver* driver,
IShaderConstantSetCallBack* callback,
IMaterialRenderer* baseMaterial,
s32 userData=0);
void init(s32& outMaterialTypeNr,
const c8* vertexShaderProgram,
const c8* pixelShaderProgram,
const c8* geometryShaderProgram,
scene::E_PRIMITIVE_TYPE inType=scene::EPT_TRIANGLES,
scene::E_PRIMITIVE_TYPE outType=scene::EPT_TRIANGLE_STRIP,
u32 verticesOut=0);
bool createProgram();
bool createShader(GLenum shaderType, const char* shader);
bool linkProgram();
COpenGLDriver* Driver;
IShaderConstantSetCallBack* CallBack;
IMaterialRenderer* BaseMaterial;
struct SUniformInfo
{
core::stringc name;
GLenum type;
};
GLhandleARB Program;
GLuint Program2;
core::array<SUniformInfo> UniformInfo;
s32 UserData;
};
} // end namespace video
} // end namespace irr
#endif // compile with OpenGL
#endif // if included
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