Copy irrlichtmt to <root>/irr/

irr/src/COpenGLSLMaterialRenderer.h

@@ -0,0 +1,125 @@
+// 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
+
+#pragma once
+
+#ifdef _IRR_COMPILE_WITH_OPENGL_
+
+#include "EMaterialTypes.h"
+#include "IMaterialRenderer.h"
+#include "IMaterialRendererServices.h"
+#include "IGPUProgrammingServices.h"
+#include "irrArray.h"
+#include "irrString.h"
+
+#include "COpenGLCommon.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,
+			E_MATERIAL_TYPE baseMaterial = EMT_SOLID,
+			s32 userData = 0);
+
+	//! Destructor
+	virtual ~COpenGLSLMaterialRenderer();
+
+	virtual void OnSetMaterial(const SMaterial &material, const SMaterial &lastMaterial,
+			bool resetAllRenderstates, IMaterialRendererServices *services) override;
+
+	bool OnRender(IMaterialRendererServices *service, E_VERTEX_TYPE vtxtype) override;
+
+	void OnUnsetMaterial() override;
+
+	//! Returns if the material is transparent.
+	bool isTransparent() const override;
+
+	//! Access the callback provided by the users when creating shader materials
+	IShaderConstantSetCallBack *getShaderConstantSetCallBack() const override
+	{
+		return CallBack;
+	}
+
+	// implementations for the render services
+	void setBasicRenderStates(const SMaterial &material, const SMaterial &lastMaterial, bool resetAllRenderstates) override;
+	s32 getVertexShaderConstantID(const c8 *name) override;
+	s32 getPixelShaderConstantID(const c8 *name) override;
+	bool setVertexShaderConstant(s32 index, const f32 *floats, int count) override;
+	bool setVertexShaderConstant(s32 index, const s32 *ints, int count) override;
+	bool setVertexShaderConstant(s32 index, const u32 *ints, int count) override;
+	bool setPixelShaderConstant(s32 index, const f32 *floats, int count) override;
+	bool setPixelShaderConstant(s32 index, const s32 *ints, int count) override;
+	bool setPixelShaderConstant(s32 index, const u32 *ints, int count) override;
+	IVideoDriver *getVideoDriver() override;
+
+protected:
+	//! constructor only for use by derived classes who want to
+	//! create a fall back material for example.
+	COpenGLSLMaterialRenderer(COpenGLDriver *driver,
+			IShaderConstantSetCallBack *callback,
+			E_MATERIAL_TYPE 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;
+
+	bool Alpha;
+	bool Blending;
+	bool AlphaTest;
+
+	struct SUniformInfo
+	{
+		core::stringc name;
+		GLenum type;
+		GLint location;
+	};
+
+	GLhandleARB Program;
+	GLuint Program2;
+	core::array<SUniformInfo> UniformInfo;
+	s32 UserData;
+};
+
+} // end namespace video
+} // end namespace irr
+
+#endif // compile with OpenGL