757 lines
25 KiB
C
757 lines
25 KiB
C
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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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#ifndef __C_OPENGL_MATERIAL_RENDERER_H_INCLUDED__
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#define __C_OPENGL_MATERIAL_RENDERER_H_INCLUDED__
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#include "IrrCompileConfig.h"
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#ifdef _IRR_COMPILE_WITH_OPENGL_
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#include "COpenGLDriver.h"
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#include "IMaterialRenderer.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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//! Base class for all internal OpenGL material renderers
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class COpenGLMaterialRenderer : public IMaterialRenderer
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{
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public:
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//! Constructor
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COpenGLMaterialRenderer(video::COpenGLDriver* driver) : Driver(driver)
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{
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}
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protected:
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video::COpenGLDriver* Driver;
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};
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//! Solid material renderer
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class COpenGLMaterialRenderer_SOLID : public COpenGLMaterialRenderer
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{
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public:
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COpenGLMaterialRenderer_SOLID(video::COpenGLDriver* d)
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: COpenGLMaterialRenderer(d) {}
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virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
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bool resetAllRenderstates, IMaterialRendererServices* services)
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{
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Driver->disableTextures(1);
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Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);
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if (resetAllRenderstates || (material.MaterialType != lastMaterial.MaterialType))
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{
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// thanks to Murphy, the following line removed some
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// bugs with several OpenGL implementations.
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glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
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}
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}
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};
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//! Generic Texture Blend
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class COpenGLMaterialRenderer_ONETEXTURE_BLEND : public COpenGLMaterialRenderer
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{
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public:
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COpenGLMaterialRenderer_ONETEXTURE_BLEND(video::COpenGLDriver* d)
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: COpenGLMaterialRenderer(d) {}
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virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
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bool resetAllRenderstates, IMaterialRendererServices* services)
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{
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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 srcFact,dstFact;
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E_MODULATE_FUNC modulate;
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u32 alphaSource;
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unpack_textureBlendFunc(srcFact, dstFact, modulate, alphaSource, material.MaterialTypeParam);
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#ifdef GL_ARB_texture_env_combine
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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
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glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE);
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glTexEnvf(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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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
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glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_MODULATE);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE);
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glTexEnvf(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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glBlendFunc(Driver->getGLBlend(srcFact), Driver->getGLBlend(dstFact));
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glEnable(GL_ALPHA_TEST);
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glAlphaFunc(GL_GREATER, 0.f);
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glEnable(GL_BLEND);
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if ( textureBlendFunc_hasAlpha(srcFact) || textureBlendFunc_hasAlpha(dstFact) )
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{
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if (alphaSource==EAS_VERTEX_COLOR)
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{
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#ifdef GL_ARB_texture_env_combine
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glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PRIMARY_COLOR_ARB);
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#else
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glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PRIMARY_COLOR_EXT);
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#endif
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}
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else if (alphaSource==EAS_TEXTURE)
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{
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#ifdef GL_ARB_texture_env_combine
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glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE);
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#else
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glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_TEXTURE);
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#endif
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}
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else
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{
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#ifdef GL_ARB_texture_env_combine
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glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_MODULATE);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PRIMARY_COLOR_ARB);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_ALPHA_ARB, GL_TEXTURE);
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#else
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glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_MODULATE);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PRIMARY_COLOR_EXT);
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glTexEnvf(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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virtual void OnUnsetMaterial()
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{
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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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glTexEnvf(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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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PREVIOUS_ARB);
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#else
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glTexEnvf(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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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PREVIOUS_EXT);
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#endif
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glDisable(GL_BLEND);
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glDisable(GL_ALPHA_TEST);
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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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virtual bool isTransparent() const
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{
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return true;
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}
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};
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//! Solid 2 layer material renderer
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class COpenGLMaterialRenderer_SOLID_2_LAYER : public COpenGLMaterialRenderer
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{
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public:
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COpenGLMaterialRenderer_SOLID_2_LAYER(video::COpenGLDriver* d)
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: COpenGLMaterialRenderer(d) {}
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virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
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bool resetAllRenderstates, IMaterialRendererServices* services)
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{
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Driver->disableTextures(2);
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Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);
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if (material.MaterialType != lastMaterial.MaterialType || resetAllRenderstates)
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{
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if (Driver->queryFeature(EVDF_MULTITEXTURE))
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{
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Driver->extGlActiveTexture(GL_TEXTURE1_ARB);
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#ifdef GL_ARB_texture_env_combine
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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
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glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PRIMARY_COLOR_ARB);
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glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_INTERPOLATE);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PREVIOUS_ARB);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE2_RGB_ARB, GL_PRIMARY_COLOR);
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glTexEnvf(GL_TEXTURE_ENV, GL_OPERAND2_RGB_ARB, GL_SRC_ALPHA);
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#else
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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
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glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PRIMARY_COLOR_EXT);
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glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_INTERPOLATE);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PREVIOUS_EXT);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE2_RGB_EXT, GL_PRIMARY_COLOR);
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glTexEnvf(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_SRC_ALPHA);
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#endif
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}
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}
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}
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virtual void OnUnsetMaterial()
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{
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if (Driver->queryFeature(EVDF_MULTITEXTURE))
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{
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Driver->extGlActiveTexture(GL_TEXTURE1_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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glTexEnvf(GL_TEXTURE_ENV, GL_OPERAND2_RGB_ARB, GL_SRC_COLOR);
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#else
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glTexEnvf(GL_TEXTURE_ENV, GL_OPERAND2_RGB_EXT, GL_SRC_COLOR);
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#endif
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Driver->extGlActiveTexture(GL_TEXTURE0_ARB);
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}
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}
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};
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//! Transparent add color material renderer
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class COpenGLMaterialRenderer_TRANSPARENT_ADD_COLOR : public COpenGLMaterialRenderer
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{
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public:
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COpenGLMaterialRenderer_TRANSPARENT_ADD_COLOR(video::COpenGLDriver* d)
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: COpenGLMaterialRenderer(d) {}
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virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
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bool resetAllRenderstates, IMaterialRendererServices* services)
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{
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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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{
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glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_COLOR);
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glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
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glEnable(GL_BLEND);
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}
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}
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virtual void OnUnsetMaterial()
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{
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glDisable(GL_BLEND);
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}
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//! Returns if the material is transparent.
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virtual bool isTransparent() const
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{
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return true;
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}
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};
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//! Transparent vertex alpha material renderer
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class COpenGLMaterialRenderer_TRANSPARENT_VERTEX_ALPHA : public COpenGLMaterialRenderer
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{
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public:
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COpenGLMaterialRenderer_TRANSPARENT_VERTEX_ALPHA(video::COpenGLDriver* d)
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: COpenGLMaterialRenderer(d) {}
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virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
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bool resetAllRenderstates, IMaterialRendererServices* services)
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{
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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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{
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#ifdef GL_ARB_texture_env_combine
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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_ARB);
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glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_REPLACE);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_PRIMARY_COLOR_ARB);
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glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PREVIOUS_ARB);
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#else
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glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE_EXT);
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glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_REPLACE);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_PRIMARY_COLOR_EXT );
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glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB_EXT, GL_MODULATE);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE);
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PREVIOUS_EXT);
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#endif
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glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
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glEnable(GL_BLEND);
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}
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}
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virtual void OnUnsetMaterial()
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{
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// default values
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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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glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_MODULATE );
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE );
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#else
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glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_MODULATE );
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glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_TEXTURE );
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#endif
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glDisable(GL_BLEND);
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}
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//! Returns if the material is transparent.
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virtual bool isTransparent() const
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{
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return true;
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}
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};
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//! Transparent alpha channel material renderer
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class COpenGLMaterialRenderer_TRANSPARENT_ALPHA_CHANNEL : public COpenGLMaterialRenderer
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{
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public:
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COpenGLMaterialRenderer_TRANSPARENT_ALPHA_CHANNEL(video::COpenGLDriver* d)
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: COpenGLMaterialRenderer(d) {}
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virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
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bool resetAllRenderstates, IMaterialRendererServices* services)
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{
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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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|| 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_TEXTURE);
|
||
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PREVIOUS_ARB);
|
||
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, GL_MODULATE);
|
||
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_ARB, GL_TEXTURE);
|
||
|
|
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_TEXTURE);
|
||
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PREVIOUS_EXT);
|
||
|
|
glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_EXT, GL_MODULATE);
|
||
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_ALPHA_EXT, GL_TEXTURE);
|
||
|
|
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_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_RGB_EXT, GL_ADD_SIGNED_EXT);
|
||
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_EXT, GL_TEXTURE);
|
||
|
|
glTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_EXT, GL_PREVIOUS_EXT);
|
||
|
|
#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_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_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
|
||
|
|
}
|
||
|
|
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)
|
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: COpenGLMaterialRenderer(d) {}
|
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|
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|
||
|
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virtual void OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial,
|
||
|
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bool resetAllRenderstates, IMaterialRendererServices* services)
|
||
|
|
{
|
||
|
|
Driver->disableTextures(2);
|
||
|
|
Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);
|
||
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|
||
|
|
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_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_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_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_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_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_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_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_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
|
||
|
|
|