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irrlicht/source/Irrlicht/COpenGLMaterialRenderer.h
Vitaliy 9954667c45
Cleanup line endings (#245) 
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2023-10-03 20:37:00 +02:00

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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
#pragma once
#ifdef _IRR_COMPILE_WITH_OPENGL_
#include "IMaterialRenderer.h"
#include "COpenGLDriver.h"
#include "COpenGLCacheHandler.h"
namespace irr
{
namespace video
{
//! Solid material renderer
class COpenGLMaterialRenderer_SOLID : public IMaterialRenderer
{
public:
COpenGLMaterialRenderer_SOLID(video::COpenGLDriver* d) : Driver(d) {}
virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
bool resetAllRenderstates, IMaterialRendererServices* services) override
{
if (Driver->getFixedPipelineState() == COpenGLDriver::EOFPS_DISABLE)
Driver->setFixedPipelineState(COpenGLDriver::EOFPS_DISABLE_TO_ENABLE);
else
Driver->setFixedPipelineState(COpenGLDriver::EOFPS_ENABLE);
Driver->disableTextures(1);
Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);
}
protected:
video::COpenGLDriver* Driver;
};
//! Generic Texture Blend
class COpenGLMaterialRenderer_ONETEXTURE_BLEND : public IMaterialRenderer
{
public:
COpenGLMaterialRenderer_ONETEXTURE_BLEND(video::COpenGLDriver* d) : Driver(d) {}
virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
bool resetAllRenderstates, IMaterialRendererServices* services) override
{
if (Driver->getFixedPipelineState() == COpenGLDriver::EOFPS_DISABLE)
Driver->setFixedPipelineState(COpenGLDriver::EOFPS_DISABLE_TO_ENABLE);
else
Driver->setFixedPipelineState(COpenGLDriver::EOFPS_ENABLE);
Driver->disableTextures(1);
Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);
// if (material.MaterialType != lastMaterial.MaterialType ||
// material.MaterialTypeParam != lastMaterial.MaterialTypeParam ||
// resetAllRenderstates)
{
E_BLEND_FACTOR srcRGBFact,dstRGBFact,srcAlphaFact,dstAlphaFact;
E_MODULATE_FUNC modulate;
u32 alphaSource;
unpack_textureBlendFuncSeparate(srcRGBFact, dstRGBFact, srcAlphaFact, dstAlphaFact, modulate, alphaSource, material.MaterialTypeParam);
Driver->getCacheHandler()->setBlend(true);
if (Driver->queryFeature(EVDF_BLEND_SEPARATE))
{
Driver->getCacheHandler()->setBlendFuncSeparate(Driver->getGLBlend(srcRGBFact), Driver->getGLBlend(dstRGBFact),
Driver->getGLBlend(srcAlphaFact), Driver->getGLBlend(dstAlphaFact));
}
else
{
Driver->getCacheHandler()->setBlendFunc(Driver->getGLBlend(srcRGBFact), Driver->getGLBlend(dstRGBFact));
}
Driver->getCacheHandler()->setActiveTexture(GL_TEXTURE0_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_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PREVIOUS_ARB);
glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, (f32) modulate );
#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_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PREVIOUS_EXT);
glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_EXT, (f32) modulate );
#endif
if (textureBlendFunc_hasAlpha(srcRGBFact) || textureBlendFunc_hasAlpha(dstRGBFact) ||
textureBlendFunc_hasAlpha(srcAlphaFact) || textureBlendFunc_hasAlpha(dstAlphaFact))
{
if (alphaSource==EAS_VERTEX_COLOR)
{
#ifdef GL_ARB_texture_env_combine
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PRIMARY_COLOR_ARB);
#else
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PRIMARY_COLOR_EXT);
#endif
}
else if (alphaSource==EAS_TEXTURE)
{
#ifdef GL_ARB_texture_env_combine
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE);
#else
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_TEXTURE);
#endif
}
else
{
#ifdef GL_ARB_texture_env_combine
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_MODULATE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PRIMARY_COLOR_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_ARB, GL_TEXTURE);
#else
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_MODULATE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PRIMARY_COLOR_EXT);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_EXT, GL_TEXTURE);
#endif
}
}
}
}
void OnUnsetMaterial() override
{
Driver->getCacheHandler()->setActiveTexture(GL_TEXTURE0_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
#ifdef GL_ARB_texture_env_combine
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_MODULATE);
glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 1.f );
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PREVIOUS_ARB);
#else
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_MODULATE);
glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_EXT, 1.f );
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PREVIOUS_EXT);
#endif
Driver->getCacheHandler()->setBlend(false);
}
//! Returns if the material is transparent.
/** Is not always transparent, but mostly. */
bool isTransparent() const override
{
return true;
}
protected:
video::COpenGLDriver* Driver;
};
//! Transparent vertex alpha material renderer
class COpenGLMaterialRenderer_TRANSPARENT_VERTEX_ALPHA : public IMaterialRenderer
{
public:
COpenGLMaterialRenderer_TRANSPARENT_VERTEX_ALPHA(video::COpenGLDriver* d) : Driver(d) {}
virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
bool resetAllRenderstates, IMaterialRendererServices* services) override
{
if (Driver->getFixedPipelineState() == COpenGLDriver::EOFPS_DISABLE)
Driver->setFixedPipelineState(COpenGLDriver::EOFPS_DISABLE_TO_ENABLE);
else
Driver->setFixedPipelineState(COpenGLDriver::EOFPS_ENABLE);
Driver->disableTextures(1);
Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);
Driver->getCacheHandler()->setBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
Driver->getCacheHandler()->setBlend(true);
if (material.MaterialType != lastMaterial.MaterialType || resetAllRenderstates)
{
Driver->getCacheHandler()->setActiveTexture(GL_TEXTURE0_ARB);
#ifdef GL_ARB_texture_env_combine
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PRIMARY_COLOR_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PREVIOUS_ARB);
#else
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PRIMARY_COLOR_EXT );
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_MODULATE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PREVIOUS_EXT);
#endif
}
}
void OnUnsetMaterial() override
{
Driver->getCacheHandler()->setActiveTexture(GL_TEXTURE0_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
#ifdef GL_ARB_texture_env_combine
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_MODULATE );
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE );
#else
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_MODULATE );
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_TEXTURE );
#endif
Driver->getCacheHandler()->setBlend(false);
}
//! Returns if the material is transparent.
bool isTransparent() const override
{
return true;
}
protected:
video::COpenGLDriver* Driver;
};
//! Transparent alpha channel material renderer
class COpenGLMaterialRenderer_TRANSPARENT_ALPHA_CHANNEL : public IMaterialRenderer
{
public:
COpenGLMaterialRenderer_TRANSPARENT_ALPHA_CHANNEL(video::COpenGLDriver* d) : Driver(d) {}
virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
bool resetAllRenderstates, IMaterialRendererServices* services) override
{
if (Driver->getFixedPipelineState() == COpenGLDriver::EOFPS_DISABLE)
Driver->setFixedPipelineState(COpenGLDriver::EOFPS_DISABLE_TO_ENABLE);
else
Driver->setFixedPipelineState(COpenGLDriver::EOFPS_ENABLE);
Driver->disableTextures(1);
Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);
Driver->getCacheHandler()->setBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
Driver->getCacheHandler()->setBlend(true);
Driver->getCacheHandler()->setAlphaTest(true);
Driver->getCacheHandler()->setAlphaFunc(GL_GREATER, material.MaterialTypeParam);
if (material.MaterialType != lastMaterial.MaterialType || resetAllRenderstates || material.MaterialTypeParam != lastMaterial.MaterialTypeParam )
{
Driver->getCacheHandler()->setActiveTexture(GL_TEXTURE0_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_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PREVIOUS_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_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_TEXTURE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PREVIOUS_EXT);
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE);
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_TEXTURE);
#endif
}
}
void OnUnsetMaterial() override
{
Driver->getCacheHandler()->setActiveTexture(GL_TEXTURE0_ARB);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
#ifdef GL_ARB_texture_env_combine
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_MODULATE );
#else
glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_MODULATE );
#endif
Driver->getCacheHandler()->setAlphaTest(false);
Driver->getCacheHandler()->setBlend(false);
}
//! Returns if the material is transparent.
bool isTransparent() const override
{
return true;
}
protected:
video::COpenGLDriver* Driver;
};
//! Transparent alpha channel material renderer
class COpenGLMaterialRenderer_TRANSPARENT_ALPHA_CHANNEL_REF : public IMaterialRenderer
{
public:
COpenGLMaterialRenderer_TRANSPARENT_ALPHA_CHANNEL_REF(video::COpenGLDriver* d) : Driver(d) {}
virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
bool resetAllRenderstates, IMaterialRendererServices* services) override
{
if (Driver->getFixedPipelineState() == COpenGLDriver::EOFPS_DISABLE)
Driver->setFixedPipelineState(COpenGLDriver::EOFPS_DISABLE_TO_ENABLE);
else
Driver->setFixedPipelineState(COpenGLDriver::EOFPS_ENABLE);
Driver->disableTextures(1);
Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);
if (material.MaterialType != lastMaterial.MaterialType || resetAllRenderstates)
{
Driver->getCacheHandler()->setAlphaTest(true);
Driver->getCacheHandler()->setAlphaFunc(GL_GREATER, 0.5f);
}
}
void OnUnsetMaterial() override
{
Driver->getCacheHandler()->setAlphaTest(false);
}
//! Returns if the material is transparent.
bool isTransparent() const override
{
return false; // this material is not really transparent because it does no blending.
}
protected:
video::COpenGLDriver* Driver;
};
} // end namespace video
} // end namespace irr
#endif
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