Retour
Version Originale

./aip/1.8aipmod/source/Irrlicht/COpenGLMaterialRenderer.h :


// Copyright (C) 2002-2011 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_MATERIAL_RENDERER_H_INCLUDED__
#define __C_OPENGL_MATERIAL_RENDERER_H_INCLUDED__

#include "IrrCompileConfig.h"
#ifdef _IRR_COMPILE_WITH_OPENGL_

#include "COpenGLDriver.h"
#include "IMaterialRenderer.h"

namespace irr
{
namespace video
{

//! Base class for all internal OpenGL material renderers

class COpenGLMaterialRenderer : public IMaterialRenderer
{
public:

	//! Constructor

	COpenGLMaterialRenderer(video::COpenGLDriver* driver) : Driver(driver)
	{
	}

protected:

	video::COpenGLDriver* Driver;
};


//! Solid material renderer

class COpenGLMaterialRenderer_SOLID : public COpenGLMaterialRenderer
{
public:

	COpenGLMaterialRenderer_SOLID(video::COpenGLDriver* d)
		: COpenGLMaterialRenderer(d) {}

	virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
		bool resetAllRenderstates, IMaterialRendererServices* services)
	{
		Driver->disableTextures(1);
		Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);

		if (resetAllRenderstates || (material.MaterialType != lastMaterial.MaterialType))
		{
			// thanks to Murphy, the following line removed some

			// bugs with several OpenGL implementations.

			glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
		}
	}
};


//! Generic Texture Blend

class COpenGLMaterialRenderer_ONETEXTURE_BLEND : public COpenGLMaterialRenderer
{
public:

	COpenGLMaterialRenderer_ONETEXTURE_BLEND(video::COpenGLDriver* d)
		: COpenGLMaterialRenderer(d) {}

	virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
		bool resetAllRenderstates, IMaterialRendererServices* services)
	{
		Driver->disableTextures(1);
		Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);

//		if (material.MaterialType != lastMaterial.MaterialType ||

//			material.MaterialTypeParam != lastMaterial.MaterialTypeParam ||

//			resetAllRenderstates)

		{
			E_BLEND_FACTOR srcFact,dstFact;
			E_MODULATE_FUNC modulate;
			u32 alphaSource;
			unpack_texureBlendFunc ( srcFact, dstFact, modulate, alphaSource, material.MaterialTypeParam );

#ifdef GL_ARB_texture_env_combine
			glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
			glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);
			glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE);
			glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PREVIOUS_ARB);			
			glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, (f32) modulate );
#else
			glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
			glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_MODULATE);
			glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE);
			glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PREVIOUS_EXT);			
			glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_EXT, (f32) modulate );
#endif

			glBlendFunc( Driver->getGLBlend(srcFact), Driver->getGLBlend(dstFact) );
			glEnable(GL_ALPHA_TEST);
			glAlphaFunc(GL_GREATER, 0.f);
			glEnable(GL_BLEND);

			if ( textureBlendFunc_hasAlpha(srcFact) || textureBlendFunc_hasAlpha(dstFact) )
			{
				if (alphaSource==EAS_VERTEX_COLOR)
				{
#ifdef GL_ARB_texture_env_combine
					glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
					glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PRIMARY_COLOR_ARB);
#else
					glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE);
					glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PRIMARY_COLOR_EXT);
#endif
				}
				else if (alphaSource==EAS_TEXTURE)
				{
#ifdef GL_ARB_texture_env_combine
					glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
					glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE);
#else
					glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE);
					glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_TEXTURE);
#endif
				}
				else
				{
#ifdef GL_ARB_texture_env_combine
					glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_MODULATE);
					glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE);
					glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_ARB, GL_PRIMARY_COLOR_ARB);
#else
					glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_MODULATE);
					glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_TEXTURE);
					glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_EXT, GL_PRIMARY_COLOR_EXT);
#endif
				}

#ifdef GL_ARB_texture_env_combine
				glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PRIMARY_COLOR_ARB);
#else
				glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PRIMARY_COLOR_EXT);
#endif
			}
		}
	}

	virtual void OnUnsetMaterial()
	{
		glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
#ifdef GL_ARB_texture_env_combine
		glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_MODULATE);
		glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 1.f );
		glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PREVIOUS_ARB);
#else
		glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_MODULATE);
		glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_EXT, 1.f );
		glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PREVIOUS_EXT);
#endif

		glDisable(GL_BLEND);
		glDisable(GL_ALPHA_TEST);
	}

 	//! Returns if the material is transparent.

 	/** Is not always transparent, but mostly. */
 	virtual bool isTransparent() const
 	{
 		return true;
 	}
};


//! Solid 2 layer material renderer

class COpenGLMaterialRenderer_SOLID_2_LAYER : public COpenGLMaterialRenderer
{
public:

	COpenGLMaterialRenderer_SOLID_2_LAYER(video::COpenGLDriver* d)
		: COpenGLMaterialRenderer(d) {}

	virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
		bool resetAllRenderstates, IMaterialRendererServices* services)
	{
		Driver->disableTextures(2);
		Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);

		if (material.MaterialType != lastMaterial.MaterialType || resetAllRenderstates)
		{
			if (Driver->queryFeature(EVDF_MULTITEXTURE))
			{
				Driver->extGlActiveTexture(GL_TEXTURE1_ARB);
#ifdef GL_ARB_texture_env_combine
				glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
				glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
				glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PRIMARY_COLOR_ARB);
				glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_INTERPOLATE);
				glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_PREVIOUS_ARB);
				glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_TEXTURE);
				glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE2_RGB_ARB, GL_PRIMARY_COLOR);
				glTexEnvf(GL_TEXTURE_ENV, GL_OPERAND2_RGB_ARB, GL_SRC_ALPHA);
#else
				glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
				glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE);
				glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PRIMARY_COLOR_EXT);
				glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_INTERPOLATE);
				glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_PREVIOUS_EXT);
				glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_TEXTURE);
				glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, GL_PRIMARY_COLOR);
				glTexEnvf(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_SRC_ALPHA);
#endif
			}
		}
	}

	virtual void OnUnsetMaterial()
	{
		if (Driver->queryFeature(EVDF_MULTITEXTURE))
		{
			Driver->extGlActiveTexture(GL_TEXTURE1_ARB);
			glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
#ifdef GL_ARB_texture_env_combine
			glTexEnvf(GL_TEXTURE_ENV, GL_OPERAND2_RGB_ARB, GL_SRC_COLOR);
#else
			glTexEnvf(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_SRC_COLOR);
#endif
			Driver->extGlActiveTexture(GL_TEXTURE0_ARB);
		}
	}
};


//! Transparent add color material renderer

class COpenGLMaterialRenderer_TRANSPARENT_ADD_COLOR : public COpenGLMaterialRenderer
{
public:

	COpenGLMaterialRenderer_TRANSPARENT_ADD_COLOR(video::COpenGLDriver* d)
		: COpenGLMaterialRenderer(d) {}

	virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
		bool resetAllRenderstates, IMaterialRendererServices* services)
	{
		Driver->disableTextures(1);
		Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);

		if ((material.MaterialType != lastMaterial.MaterialType) || resetAllRenderstates)
		{
			glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_COLOR);
			glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
			glEnable(GL_BLEND);
		}
	}

	virtual void OnUnsetMaterial()
	{
		glDisable(GL_BLEND);
	}

	//! Returns if the material is transparent.

	virtual bool isTransparent() const
	{
		return true;
	}
};


//! Transparent vertex alpha material renderer

class COpenGLMaterialRenderer_TRANSPARENT_VERTEX_ALPHA : public COpenGLMaterialRenderer
{
public:

	COpenGLMaterialRenderer_TRANSPARENT_VERTEX_ALPHA(video::COpenGLDriver* d)
		: COpenGLMaterialRenderer(d) {}

	virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
		bool resetAllRenderstates, IMaterialRendererServices* services)
	{
		Driver->disableTextures(1);
		Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);

		if (material.MaterialType != lastMaterial.MaterialType || resetAllRenderstates)
		{
#ifdef GL_ARB_texture_env_combine
			glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
			glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
			glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PRIMARY_COLOR_ARB);
			glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);
			glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_PREVIOUS_ARB);
			glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_TEXTURE);
#else
			glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
			glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE);
			glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PRIMARY_COLOR_EXT );
			glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_MODULATE);
			glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_PREVIOUS_EXT);
			glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_TEXTURE);
#endif
			glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
			glEnable(GL_BLEND);
		}
	}

	virtual void OnUnsetMaterial()
	{
		// default values

		glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
#ifdef GL_ARB_texture_env_combine
		glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_MODULATE );
		glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE );
#else
		glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_MODULATE );
		glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_TEXTURE );
#endif
		glDisable(GL_BLEND);
	}

	//! Returns if the material is transparent.

	virtual bool isTransparent() const
	{
		return true;
	}
};


//! Transparent alpha channel material renderer

class COpenGLMaterialRenderer_TRANSPARENT_ALPHA_CHANNEL : public COpenGLMaterialRenderer
{
public:

	COpenGLMaterialRenderer_TRANSPARENT_ALPHA_CHANNEL(video::COpenGLDriver* d)
		: COpenGLMaterialRenderer(d) {}

	virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
		bool resetAllRenderstates, IMaterialRendererServices* services)
	{
		Driver->disableTextures(1);
		Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);

		if (material.MaterialType != lastMaterial.MaterialType || resetAllRenderstates
			|| material.MaterialTypeParam != lastMaterial.MaterialTypeParam )
		{
#ifdef GL_ARB_texture_env_combine
			glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
			glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);
			glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE);
			glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PREVIOUS_ARB);
			glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
			glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE);
#else
			glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
			glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_MODULATE);
			glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE);
			glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PREVIOUS_EXT);
			glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE);
			glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_TEXTURE);
#endif
			glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
			glEnable(GL_BLEND);
			glEnable(GL_ALPHA_TEST);

			glAlphaFunc(GL_GREATER, material.MaterialTypeParam);
		}
	}

	virtual void OnUnsetMaterial()
	{
		glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
#ifdef GL_ARB_texture_env_combine
		glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_MODULATE );
#else
		glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_MODULATE );
#endif
		glDisable(GL_ALPHA_TEST);
		glDisable(GL_BLEND);
	}

	//! Returns if the material is transparent.

	virtual bool isTransparent() const
	{
		return true;
	}
};


//! Transparent alpha channel material renderer

class COpenGLMaterialRenderer_TRANSPARENT_ALPHA_CHANNEL_REF : public COpenGLMaterialRenderer
{
public:

	COpenGLMaterialRenderer_TRANSPARENT_ALPHA_CHANNEL_REF(video::COpenGLDriver* d)
		: COpenGLMaterialRenderer(d) {}

	virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
		bool resetAllRenderstates, IMaterialRendererServices* services)
	{
		Driver->disableTextures(1);
		Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);

		if (material.MaterialType != lastMaterial.MaterialType || resetAllRenderstates)
		{
			glEnable(GL_ALPHA_TEST);
			glAlphaFunc(GL_GREATER, 0.5f);
			glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
		}
	}

	virtual void OnUnsetMaterial()
	{
		glDisable(GL_ALPHA_TEST);
	}

	//! Returns if the material is transparent.

	virtual bool isTransparent() const
	{
		return false;  // this material is not really transparent because it does no blending.

	}
};


//! material renderer for all kinds of lightmaps

class COpenGLMaterialRenderer_LIGHTMAP : public COpenGLMaterialRenderer
{
public:

	COpenGLMaterialRenderer_LIGHTMAP(video::COpenGLDriver* d)
		: COpenGLMaterialRenderer(d) {}

	virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
		bool resetAllRenderstates, IMaterialRendererServices* services)
	{
		Driver->disableTextures(2);
		Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);

		if (material.MaterialType != lastMaterial.MaterialType || resetAllRenderstates)
		{
			// diffuse map


			switch (material.MaterialType)
			{
				case EMT_LIGHTMAP_LIGHTING:
				case EMT_LIGHTMAP_LIGHTING_M2:
				case EMT_LIGHTMAP_LIGHTING_M4:
					glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
					break;
				case EMT_LIGHTMAP_ADD:
				case EMT_LIGHTMAP:
				case EMT_LIGHTMAP_M2:
				case EMT_LIGHTMAP_M4:
				default:
					glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
					break;
			}

			if (Driver->queryFeature(EVDF_MULTITEXTURE))
			{
				// lightmap


				Driver->extGlActiveTexture(GL_TEXTURE1_ARB);
#ifdef GL_ARB_texture_env_combine
				glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);

				if (material.MaterialType == EMT_LIGHTMAP_ADD)
					glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_ADD);
				else
					glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);

				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_PREVIOUS_ARB);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_TEXTURE);
				glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_MODULATE);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PREVIOUS_ARB);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_ARB, GL_PREVIOUS_ARB);
#else
				glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
				
				if (material.MaterialType == EMT_LIGHTMAP_ADD)
					glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_ADD);
				else
					glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_MODULATE);
				
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_PREVIOUS_EXT);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_TEXTURE);
				glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_MODULATE);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PREVIOUS_EXT);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_EXT, GL_PREVIOUS_EXT);
#endif

				switch (material.MaterialType)
				{
					case EMT_LIGHTMAP_M4:
					case EMT_LIGHTMAP_LIGHTING_M4:
#ifdef GL_ARB_texture_env_combine
						glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 4.0f);
#else
						glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_EXT, 4.0f);
#endif
						break;
					case EMT_LIGHTMAP_M2:
					case EMT_LIGHTMAP_LIGHTING_M2:
#ifdef GL_ARB_texture_env_combine
						glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 2.0f);
#else
						glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_EXT, 2.0f);
#endif
						break;
					default:
#ifdef GL_ARB_texture_env_combine
						glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 1.0f);
#else
						glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_EXT, 1.0f);
#endif
				}
				Driver->extGlActiveTexture(GL_TEXTURE0_ARB);
			}
		}
	}

	virtual void OnUnsetMaterial()
	{
		if (Driver->queryFeature(EVDF_MULTITEXTURE))
		{
			Driver->extGlActiveTexture(GL_TEXTURE1_ARB);
#ifdef GL_ARB_texture_env_combine
			glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 1.f );
#else
			glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_EXT, 1.f );
#endif
			glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
			Driver->extGlActiveTexture(GL_TEXTURE0_ARB);
			glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
		}
	}
};



//! detail map  material renderer

class COpenGLMaterialRenderer_DETAIL_MAP : public COpenGLMaterialRenderer
{
public:

	COpenGLMaterialRenderer_DETAIL_MAP(video::COpenGLDriver* d)
		: COpenGLMaterialRenderer(d) {}

	virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
		bool resetAllRenderstates, IMaterialRendererServices* services)
	{
		Driver->disableTextures(2);
		Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);

		if (material.MaterialType != lastMaterial.MaterialType || resetAllRenderstates)
		{
			// diffuse map is default modulated


			// detail map on second layer

			if (Driver->queryFeature(EVDF_MULTITEXTURE))
			{
				Driver->extGlActiveTexture(GL_TEXTURE1_ARB);
#ifdef GL_ARB_texture_env_combine
				glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
				glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_ADD_SIGNED_ARB);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_PREVIOUS_ARB);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_TEXTURE);
#else
				glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
				glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_ADD_SIGNED_EXT);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_PREVIOUS_EXT);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_TEXTURE);
#endif
			}
		}
	}

	virtual void OnUnsetMaterial()
	{
		if (Driver->queryFeature(EVDF_MULTITEXTURE))
		{
			Driver->extGlActiveTexture(GL_TEXTURE1_ARB);
			glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
			Driver->extGlActiveTexture(GL_TEXTURE0_ARB);
		}
	}
};


//! sphere map material renderer

class COpenGLMaterialRenderer_SPHERE_MAP : public COpenGLMaterialRenderer
{
public:

	COpenGLMaterialRenderer_SPHERE_MAP(video::COpenGLDriver* d)
		: COpenGLMaterialRenderer(d) {}

	virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
		bool resetAllRenderstates, IMaterialRendererServices* services)
	{
		Driver->disableTextures(1);
		// texture needs to be flipped for OpenGL

		core::matrix4 tmp = Driver->getTransform(ETS_TEXTURE_0);
		tmp[5]*=-1;
		Driver->setTransform(ETS_TEXTURE_0, tmp);
		Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);

		if (material.MaterialType != lastMaterial.MaterialType || resetAllRenderstates)
		{
			glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
			glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);

			glEnable(GL_TEXTURE_GEN_S);
			glEnable(GL_TEXTURE_GEN_T);
		}
	}

	virtual void OnUnsetMaterial()
	{
		glDisable(GL_TEXTURE_GEN_S);
		glDisable(GL_TEXTURE_GEN_T);
	}
};


//! reflection 2 layer material renderer

class COpenGLMaterialRenderer_REFLECTION_2_LAYER : public COpenGLMaterialRenderer
{
public:

	COpenGLMaterialRenderer_REFLECTION_2_LAYER(video::COpenGLDriver* d)
		: COpenGLMaterialRenderer(d) {}

	virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
		bool resetAllRenderstates, IMaterialRendererServices* services)
	{
		Driver->disableTextures(2);
		Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);

		if (material.MaterialType != lastMaterial.MaterialType || resetAllRenderstates)
		{
			if (Driver->queryFeature(EVDF_MULTITEXTURE))
			{
				Driver->extGlActiveTexture(GL_TEXTURE1_ARB);
#ifdef GL_ARB_texture_env_combine
				glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
				glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_PREVIOUS_ARB);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_TEXTURE);
#else
				glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
				glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_MODULATE);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_PREVIOUS_EXT);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_TEXTURE);
#endif
			}
			glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
			glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
			glEnable(GL_TEXTURE_GEN_S);
			glEnable(GL_TEXTURE_GEN_T);
		}
	}

	virtual void OnUnsetMaterial()
	{
		if (Driver->queryFeature(EVDF_MULTITEXTURE))
		{
			Driver->extGlActiveTexture(GL_TEXTURE1_ARB);
			glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
		}
		glDisable(GL_TEXTURE_GEN_S);
		glDisable(GL_TEXTURE_GEN_T);
		if (Driver->queryFeature(EVDF_MULTITEXTURE))
		{
			Driver->extGlActiveTexture(GL_TEXTURE0_ARB);
		}
	}
};


//! reflection 2 layer material renderer

class COpenGLMaterialRenderer_TRANSPARENT_REFLECTION_2_LAYER : public COpenGLMaterialRenderer
{
public:

	COpenGLMaterialRenderer_TRANSPARENT_REFLECTION_2_LAYER(video::COpenGLDriver* d)
		: COpenGLMaterialRenderer(d) {}

	virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
		bool resetAllRenderstates, IMaterialRendererServices* services)
	{
		Driver->disableTextures(2);
		Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);

		if (material.MaterialType != lastMaterial.MaterialType || resetAllRenderstates)
		{
#ifdef GL_ARB_texture_env_combine
				glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
				glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_PREVIOUS_ARB);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_TEXTURE);
				glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PREVIOUS_ARB);
#else
				glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
				glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_MODULATE);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_PREVIOUS_EXT);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_TEXTURE);
				glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PREVIOUS_ARB);
#endif
			if (Driver->queryFeature(EVDF_MULTITEXTURE))
			{
				Driver->extGlActiveTexture(GL_TEXTURE1_ARB);
#ifdef GL_ARB_texture_env_combine
				glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
				glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_PREVIOUS_ARB);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_TEXTURE);
				glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PREVIOUS_ARB);
#else
				glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
				glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_MODULATE);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_PREVIOUS_EXT);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_TEXTURE);
				glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE);
				glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PREVIOUS_ARB);
#endif
			}
			glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
			glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
			glEnable(GL_TEXTURE_GEN_S);
			glEnable(GL_TEXTURE_GEN_T);

			glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
			glEnable(GL_BLEND);
		}
	}

	virtual void OnUnsetMaterial()
	{
		if (Driver->queryFeature(EVDF_MULTITEXTURE))
		{
			Driver->extGlActiveTexture(GL_TEXTURE1_ARB);
			glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
		}
		glDisable(GL_TEXTURE_GEN_S);
		glDisable(GL_TEXTURE_GEN_T);
		if (Driver->queryFeature(EVDF_MULTITEXTURE))
		{
			Driver->extGlActiveTexture(GL_TEXTURE0_ARB);
		}
		glDisable(GL_BLEND);
	}

	//! Returns if the material is transparent.

	virtual bool isTransparent() const
	{
		return true;
	}
};

} // end namespace video

} // end namespace irr


#endif
#endif
Options Liens officiels Caractéristiques Statistiques Communauté
Corrections
 irrlicht
irrklang
irredit
irrxml
 xhtml 1.0
css 2.1
Propulsé par FluxBB
Traduit par FluxBB.fr
 883 membres
1429 sujets
11121 messages
 Dernier membre inscrit: Saidov17
37 invités en ligne
Aucun membre connecté
RSS Feed