Import irrlicht 1.8.4 release
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Loic Blot
244
source/Irrlicht/COpenGLCgMaterialRenderer.cpp
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244
source/Irrlicht/COpenGLCgMaterialRenderer.cpp
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// Copyright (C) 2012-2012 Patryk Nadrowski
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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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#include "IrrCompileConfig.h"
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#if defined(_IRR_COMPILE_WITH_OPENGL_) && defined(_IRR_COMPILE_WITH_CG_)
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#include "COpenGLCgMaterialRenderer.h"
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#include "COpenGLDriver.h"
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#include "COpenGLTexture.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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COpenGLCgUniformSampler2D::COpenGLCgUniformSampler2D(const CGparameter& parameter, bool global) : CCgUniform(parameter, global)
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{
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Type = CG_SAMPLER2D;
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}
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void COpenGLCgUniformSampler2D::update(const void* data, const SMaterial& material) const
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{
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s32* Data = (s32*)data;
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s32 LayerID = *Data;
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if (material.TextureLayer[LayerID].Texture)
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{
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int TextureID = reinterpret_cast<COpenGLTexture*>(material.TextureLayer[LayerID].Texture)->getOpenGLTextureName();
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cgGLSetTextureParameter(Parameter, TextureID);
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cgGLEnableTextureParameter(Parameter);
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}
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}
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COpenGLCgMaterialRenderer::COpenGLCgMaterialRenderer(COpenGLDriver* driver, s32& materialType,
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const c8* vertexProgram, const c8* vertexEntry, E_VERTEX_SHADER_TYPE vertexProfile,
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const c8* fragmentProgram, const c8* fragmentEntry, E_PIXEL_SHADER_TYPE fragmentProfile,
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const c8* geometryProgram, const c8* geometryEntry, E_GEOMETRY_SHADER_TYPE geometryProfile,
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scene::E_PRIMITIVE_TYPE inType, scene::E_PRIMITIVE_TYPE outType, u32 vertices,
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IShaderConstantSetCallBack* callback, IMaterialRenderer* baseMaterial, s32 userData) :
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Driver(driver), CCgMaterialRenderer(callback, baseMaterial, userData)
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{
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#ifdef _DEBUG
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setDebugName("COpenGLCgMaterialRenderer");
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#endif
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init(materialType, vertexProgram, vertexEntry, vertexProfile, fragmentProgram, fragmentEntry, fragmentProfile,
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geometryProgram, geometryEntry, geometryProfile, inType, outType, vertices);
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}
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COpenGLCgMaterialRenderer::~COpenGLCgMaterialRenderer()
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{
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if (VertexProgram)
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{
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cgGLUnloadProgram(VertexProgram);
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cgDestroyProgram(VertexProgram);
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}
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if (FragmentProgram)
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{
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cgGLUnloadProgram(FragmentProgram);
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cgDestroyProgram(FragmentProgram);
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}
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if (GeometryProgram)
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{
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cgGLUnloadProgram(GeometryProgram);
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cgDestroyProgram(GeometryProgram);
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}
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}
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void COpenGLCgMaterialRenderer::OnSetMaterial(const SMaterial& material, const SMaterial& lastMaterial, bool resetAllRenderstates, IMaterialRendererServices* services)
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{
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Material = material;
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if (material.MaterialType != lastMaterial.MaterialType || resetAllRenderstates)
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{
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if (VertexProgram)
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{
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cgGLEnableProfile(VertexProfile);
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cgGLBindProgram(VertexProgram);
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}
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if (FragmentProgram)
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{
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cgGLEnableProfile(FragmentProfile);
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cgGLBindProgram(FragmentProgram);
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}
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if (GeometryProgram)
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{
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cgGLEnableProfile(GeometryProfile);
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cgGLBindProgram(GeometryProgram);
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}
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if (BaseMaterial)
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BaseMaterial->OnSetMaterial(material, material, true, this);
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}
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if (CallBack)
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CallBack->OnSetMaterial(material);
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for (u32 i=0; i<MATERIAL_MAX_TEXTURES; ++i)
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Driver->setActiveTexture(i, material.getTexture(i));
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Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);
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}
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bool COpenGLCgMaterialRenderer::OnRender(IMaterialRendererServices* services, E_VERTEX_TYPE vtxtype)
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{
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if (CallBack && (VertexProgram || FragmentProgram || GeometryProgram))
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CallBack->OnSetConstants(this, UserData);
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return true;
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}
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void COpenGLCgMaterialRenderer::OnUnsetMaterial()
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{
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if (VertexProgram)
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{
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cgGLUnbindProgram(VertexProfile);
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cgGLDisableProfile(VertexProfile);
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}
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if (FragmentProgram)
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{
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cgGLUnbindProgram(FragmentProfile);
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cgGLDisableProfile(FragmentProfile);
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}
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if (GeometryProgram)
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{
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cgGLUnbindProgram(GeometryProfile);
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cgGLDisableProfile(GeometryProfile);
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}
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if (BaseMaterial)
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BaseMaterial->OnUnsetMaterial();
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Material = IdentityMaterial;;
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}
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void COpenGLCgMaterialRenderer::setBasicRenderStates(const SMaterial& material, const SMaterial& lastMaterial, bool resetAllRenderstates)
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{
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Driver->setBasicRenderStates(material, lastMaterial, resetAllRenderstates);
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}
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IVideoDriver* COpenGLCgMaterialRenderer::getVideoDriver()
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{
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return Driver;
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}
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void COpenGLCgMaterialRenderer::init(s32& materialType,
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const c8* vertexProgram, const c8* vertexEntry, E_VERTEX_SHADER_TYPE vertexProfile,
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const c8* fragmentProgram, const c8* fragmentEntry, E_PIXEL_SHADER_TYPE fragmentProfile,
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const c8* geometryProgram, const c8* geometryEntry, E_GEOMETRY_SHADER_TYPE geometryProfile,
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scene::E_PRIMITIVE_TYPE inType, scene::E_PRIMITIVE_TYPE outType, u32 vertices)
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{
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bool Status = true;
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CGerror Error = CG_NO_ERROR;
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materialType = -1;
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// TODO: add profile selection
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if (vertexProgram)
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{
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VertexProfile = cgGLGetLatestProfile(CG_GL_VERTEX);
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if (VertexProfile)
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VertexProgram = cgCreateProgram(Driver->getCgContext(), CG_SOURCE, vertexProgram, VertexProfile, vertexEntry, 0);
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if (!VertexProgram)
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{
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Error = cgGetError();
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os::Printer::log("Cg vertex program failed to compile:", ELL_ERROR);
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os::Printer::log(cgGetLastListing(Driver->getCgContext()), ELL_ERROR);
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Status = false;
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}
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else
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cgGLLoadProgram(VertexProgram);
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}
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if (fragmentProgram)
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{
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FragmentProfile = cgGLGetLatestProfile(CG_GL_FRAGMENT);
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if (FragmentProfile)
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FragmentProgram = cgCreateProgram(Driver->getCgContext(), CG_SOURCE, fragmentProgram, FragmentProfile, fragmentEntry, 0);
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if (!FragmentProgram)
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{
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Error = cgGetError();
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os::Printer::log("Cg fragment program failed to compile:", ELL_ERROR);
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os::Printer::log(cgGetLastListing(Driver->getCgContext()), ELL_ERROR);
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Status = false;
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}
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else
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cgGLLoadProgram(FragmentProgram);
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}
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if (geometryProgram)
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{
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GeometryProfile = cgGLGetLatestProfile(CG_GL_GEOMETRY);
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if (GeometryProfile)
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GeometryProgram = cgCreateProgram(Driver->getCgContext(), CG_SOURCE, geometryProgram, GeometryProfile, geometryEntry, 0);
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if (!GeometryProgram)
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{
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Error = cgGetError();
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os::Printer::log("Cg geometry program failed to compile:", ELL_ERROR);
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os::Printer::log(cgGetLastListing(Driver->getCgContext()), ELL_ERROR);
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Status = false;
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}
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else
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cgGLLoadProgram(GeometryProgram);
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}
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getUniformList();
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// create OpenGL specifics sampler uniforms.
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for (unsigned int i = 0; i < UniformInfo.size(); ++i)
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{
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if (UniformInfo[i]->getType() == CG_SAMPLER2D)
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{
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bool IsGlobal = true;
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if (UniformInfo[i]->getSpace() == CG_PROGRAM)
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IsGlobal = false;
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CCgUniform* Uniform = new COpenGLCgUniformSampler2D(UniformInfo[i]->getParameter(), IsGlobal);
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delete UniformInfo[i];
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UniformInfo[i] = Uniform;
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}
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}
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if (Status)
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materialType = Driver->addMaterialRenderer(this);
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}
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}
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}
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#endif
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