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Copy irrlichtmt to <root>/irr/
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349 changed files with 109124 additions and 0 deletions
335
irr/src/COpenGLMaterialRenderer.h
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335
irr/src/COpenGLMaterialRenderer.h
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// 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 "IMaterialRenderer.h"
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#include "COpenGLDriver.h"
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#include "COpenGLCacheHandler.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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//! Solid material renderer
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class COpenGLMaterialRenderer_SOLID : public IMaterialRenderer
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{
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public:
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COpenGLMaterialRenderer_SOLID(video::COpenGLDriver *d) :
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Driver(d) {}
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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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{
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if (Driver->getFixedPipelineState() == COpenGLDriver::EOFPS_DISABLE)
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Driver->setFixedPipelineState(COpenGLDriver::EOFPS_DISABLE_TO_ENABLE);
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else
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Driver->setFixedPipelineState(COpenGLDriver::EOFPS_ENABLE);
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Driver->disableTextures(1);
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Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);
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}
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protected:
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video::COpenGLDriver *Driver;
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};
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//! Generic Texture Blend
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class COpenGLMaterialRenderer_ONETEXTURE_BLEND : public IMaterialRenderer
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{
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public:
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COpenGLMaterialRenderer_ONETEXTURE_BLEND(video::COpenGLDriver *d) :
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Driver(d) {}
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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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{
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if (Driver->getFixedPipelineState() == COpenGLDriver::EOFPS_DISABLE)
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Driver->setFixedPipelineState(COpenGLDriver::EOFPS_DISABLE_TO_ENABLE);
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else
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Driver->setFixedPipelineState(COpenGLDriver::EOFPS_ENABLE);
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Driver->disableTextures(1);
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Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);
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// if (material.MaterialType != lastMaterial.MaterialType ||
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// material.MaterialTypeParam != lastMaterial.MaterialTypeParam ||
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// resetAllRenderstates)
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{
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E_BLEND_FACTOR srcRGBFact, dstRGBFact, srcAlphaFact, dstAlphaFact;
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E_MODULATE_FUNC modulate;
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u32 alphaSource;
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unpack_textureBlendFuncSeparate(srcRGBFact, dstRGBFact, srcAlphaFact, dstAlphaFact, modulate, alphaSource, material.MaterialTypeParam);
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Driver->getCacheHandler()->setBlend(true);
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if (Driver->queryFeature(EVDF_BLEND_SEPARATE)) {
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Driver->getCacheHandler()->setBlendFuncSeparate(Driver->getGLBlend(srcRGBFact), Driver->getGLBlend(dstRGBFact),
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Driver->getGLBlend(srcAlphaFact), Driver->getGLBlend(dstAlphaFact));
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} else {
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Driver->getCacheHandler()->setBlendFunc(Driver->getGLBlend(srcRGBFact), Driver->getGLBlend(dstRGBFact));
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}
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Driver->getCacheHandler()->setActiveTexture(GL_TEXTURE0_ARB);
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#ifdef GL_ARB_texture_env_combine
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glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PREVIOUS_ARB);
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glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, (f32)modulate);
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#else
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glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_MODULATE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PREVIOUS_EXT);
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glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_EXT, (f32)modulate);
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#endif
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if (textureBlendFunc_hasAlpha(srcRGBFact) || textureBlendFunc_hasAlpha(dstRGBFact) ||
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textureBlendFunc_hasAlpha(srcAlphaFact) || textureBlendFunc_hasAlpha(dstAlphaFact)) {
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if (alphaSource == EAS_VERTEX_COLOR) {
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#ifdef GL_ARB_texture_env_combine
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PRIMARY_COLOR_ARB);
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#else
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PRIMARY_COLOR_EXT);
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#endif
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} else if (alphaSource == EAS_TEXTURE) {
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#ifdef GL_ARB_texture_env_combine
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE);
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#else
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_TEXTURE);
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#endif
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} else {
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#ifdef GL_ARB_texture_env_combine
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_MODULATE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PRIMARY_COLOR_ARB);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_ARB, GL_TEXTURE);
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#else
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_MODULATE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PRIMARY_COLOR_EXT);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_EXT, GL_TEXTURE);
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#endif
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}
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}
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}
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}
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void OnUnsetMaterial() override
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{
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Driver->getCacheHandler()->setActiveTexture(GL_TEXTURE0_ARB);
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glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
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#ifdef GL_ARB_texture_env_combine
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_MODULATE);
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glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 1.f);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PREVIOUS_ARB);
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#else
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_MODULATE);
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glTexEnvf(GL_TEXTURE_ENV, GL_RGB_SCALE_EXT, 1.f);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PREVIOUS_EXT);
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#endif
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Driver->getCacheHandler()->setBlend(false);
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}
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//! Returns if the material is transparent.
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/** Is not always transparent, but mostly. */
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bool isTransparent() const override
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{
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return true;
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}
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protected:
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video::COpenGLDriver *Driver;
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};
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//! Transparent vertex alpha material renderer
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class COpenGLMaterialRenderer_TRANSPARENT_VERTEX_ALPHA : public IMaterialRenderer
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{
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public:
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COpenGLMaterialRenderer_TRANSPARENT_VERTEX_ALPHA(video::COpenGLDriver *d) :
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Driver(d) {}
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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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{
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if (Driver->getFixedPipelineState() == COpenGLDriver::EOFPS_DISABLE)
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Driver->setFixedPipelineState(COpenGLDriver::EOFPS_DISABLE_TO_ENABLE);
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else
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Driver->setFixedPipelineState(COpenGLDriver::EOFPS_ENABLE);
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Driver->disableTextures(1);
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Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);
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Driver->getCacheHandler()->setBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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Driver->getCacheHandler()->setBlend(true);
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if (material.MaterialType != lastMaterial.MaterialType || resetAllRenderstates) {
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Driver->getCacheHandler()->setActiveTexture(GL_TEXTURE0_ARB);
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#ifdef GL_ARB_texture_env_combine
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glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PRIMARY_COLOR_ARB);
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PREVIOUS_ARB);
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#else
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glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PRIMARY_COLOR_EXT);
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_MODULATE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PREVIOUS_EXT);
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#endif
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}
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}
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void OnUnsetMaterial() override
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{
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Driver->getCacheHandler()->setActiveTexture(GL_TEXTURE0_ARB);
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glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
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#ifdef GL_ARB_texture_env_combine
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_MODULATE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE);
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#else
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_MODULATE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_TEXTURE);
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#endif
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Driver->getCacheHandler()->setBlend(false);
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}
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//! Returns if the material is transparent.
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bool isTransparent() const override
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{
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return true;
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}
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protected:
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video::COpenGLDriver *Driver;
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};
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//! Transparent alpha channel material renderer
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class COpenGLMaterialRenderer_TRANSPARENT_ALPHA_CHANNEL : public IMaterialRenderer
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{
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public:
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COpenGLMaterialRenderer_TRANSPARENT_ALPHA_CHANNEL(video::COpenGLDriver *d) :
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Driver(d) {}
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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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{
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if (Driver->getFixedPipelineState() == COpenGLDriver::EOFPS_DISABLE)
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Driver->setFixedPipelineState(COpenGLDriver::EOFPS_DISABLE_TO_ENABLE);
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else
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Driver->setFixedPipelineState(COpenGLDriver::EOFPS_ENABLE);
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Driver->disableTextures(1);
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Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);
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Driver->getCacheHandler()->setBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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Driver->getCacheHandler()->setBlend(true);
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Driver->getCacheHandler()->setAlphaTest(true);
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Driver->getCacheHandler()->setAlphaFunc(GL_GREATER, material.MaterialTypeParam);
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if (material.MaterialType != lastMaterial.MaterialType || resetAllRenderstates || material.MaterialTypeParam != lastMaterial.MaterialTypeParam) {
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Driver->getCacheHandler()->setActiveTexture(GL_TEXTURE0_ARB);
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#ifdef GL_ARB_texture_env_combine
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glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PREVIOUS_ARB);
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE);
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#else
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glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_MODULATE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PREVIOUS_EXT);
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE);
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glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_TEXTURE);
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#endif
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}
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}
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void OnUnsetMaterial() override
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{
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Driver->getCacheHandler()->setActiveTexture(GL_TEXTURE0_ARB);
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glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
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#ifdef GL_ARB_texture_env_combine
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_MODULATE);
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#else
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glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_MODULATE);
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#endif
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Driver->getCacheHandler()->setAlphaTest(false);
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Driver->getCacheHandler()->setBlend(false);
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}
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//! Returns if the material is transparent.
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bool isTransparent() const override
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{
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return true;
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}
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protected:
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video::COpenGLDriver *Driver;
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};
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//! Transparent alpha channel material renderer
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class COpenGLMaterialRenderer_TRANSPARENT_ALPHA_CHANNEL_REF : public IMaterialRenderer
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{
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public:
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COpenGLMaterialRenderer_TRANSPARENT_ALPHA_CHANNEL_REF(video::COpenGLDriver *d) :
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Driver(d) {}
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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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{
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if (Driver->getFixedPipelineState() == COpenGLDriver::EOFPS_DISABLE)
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Driver->setFixedPipelineState(COpenGLDriver::EOFPS_DISABLE_TO_ENABLE);
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else
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Driver->setFixedPipelineState(COpenGLDriver::EOFPS_ENABLE);
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Driver->disableTextures(1);
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Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);
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if (material.MaterialType != lastMaterial.MaterialType || resetAllRenderstates) {
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Driver->getCacheHandler()->setAlphaTest(true);
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Driver->getCacheHandler()->setAlphaFunc(GL_GREATER, 0.5f);
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}
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}
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void OnUnsetMaterial() override
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{
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Driver->getCacheHandler()->setAlphaTest(false);
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}
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//! Returns if the material is transparent.
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bool isTransparent() const override
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{
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return false; // this material is not really transparent because it does no blending.
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}
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protected:
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video::COpenGLDriver *Driver;
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};
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} // end namespace video
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} // end namespace irr
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#endif
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