2324 lines
80 KiB
C++
2324 lines
80 KiB
C++
// Copyright (C) 2017 Jérôme Leclercq
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// This file is part of the "Nazara Engine - Renderer module"
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Core/CallOnExit.hpp>
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#include <Nazara/Core/Error.hpp>
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#include <Nazara/Core/Log.hpp>
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#include <Nazara/Renderer/Context.hpp>
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#include <Nazara/Renderer/OpenGL.hpp>
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#include <Nazara/Renderer/RenderStates.hpp>
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#include <Nazara/Renderer/RenderTarget.hpp>
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#if defined(NAZARA_PLATFORM_SDL2)
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#include <SDL2/SDL_video.h>
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#elif defined(NAZARA_PLATFORM_GLX)
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#include <Nazara/Platform/X11/Display.hpp>
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#endif // NAZARA_PLATFORM_GLX
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#include <Nazara/Renderer/Debug.hpp>
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#include <set>
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#include <sstream>
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#include <stdexcept>
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#include <unordered_map>
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namespace Nz
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{
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namespace
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{
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#ifdef NAZARA_PLATFORM_WINDOWS
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HMODULE openGLlibrary;
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#endif
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OpenGLFunc LoadEntry(const char* name, bool launchException = true)
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{
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#if defined(NAZARA_PLATFORM_SDL2)
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OpenGLFunc entry = reinterpret_cast<OpenGLFunc>(SDL_GL_GetProcAddress(name));
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#elif defined(NAZARA_PLATFORM_WINDOWS)
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OpenGLFunc entry = reinterpret_cast<OpenGLFunc>(wglGetProcAddress(name));
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if (!entry) // wglGetProcAddress ne fonctionne pas sur les fonctions OpenGL <= 1.1
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entry = reinterpret_cast<OpenGLFunc>(GetProcAddress(openGLlibrary, name));
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#elif defined(NAZARA_PLATFORM_GLX)
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OpenGLFunc entry = reinterpret_cast<OpenGLFunc>(GLX::glXGetProcAddress(reinterpret_cast<const unsigned char*>(name)));
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#else
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#error OS not handled
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#endif
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if (!entry && launchException)
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{
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std::ostringstream oss;
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oss << "failed to load \"" << name << '"';
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throw std::runtime_error(oss.str());
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}
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return entry;
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}
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bool LoadLibrary()
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{
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#if defined(NAZARA_PLATFORM_SDL2)
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if (SDL_GL_LoadLibrary(nullptr) != 0)
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{
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NazaraError(SDL_GetError());
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return false;
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}
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return true;
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#elif defined(NAZARA_PLATFORM_WINDOWS)
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openGLlibrary = ::LoadLibraryA("opengl32.dll");
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return openGLlibrary != nullptr;
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#else
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return true;
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#endif
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}
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void UnloadLibrary()
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{
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#if defined(NAZARA_PLATFORM_SDL2)
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SDL_GL_UnloadLibrary();
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#elif defined(NAZARA_PLATFORM_WINDOWS)
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FreeLibrary(openGLlibrary);
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#endif
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}
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enum GarbageResourceType
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{
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GarbageResourceType_FrameBuffer,
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GarbageResourceType_VertexArray
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};
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struct ContextStates
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{
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std::vector<std::pair<GarbageResourceType, GLuint> > garbage; // Les ressources à supprimer dès que possible
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GLuint buffersBinding[BufferType_Max + 1] = {0};
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GLuint currentProgram = 0;
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GLuint samplers[32] = {0}; // 32 est pour l'instant la plus haute limite (GL_TEXTURE31)
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GLuint texturesBinding[32] = {0}; // 32 est pour l'instant la plus haute limite (GL_TEXTURE31)
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Recti currentScissorBox = Recti(0, 0, 0, 0);
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Recti currentViewport = Recti(0, 0, 0, 0);
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RenderStates renderStates; // Toujours synchronisé avec OpenGL
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const RenderTarget* currentTarget = nullptr;
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bool scissorBoxUpdated = true;
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bool viewportUpdated = true;
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unsigned int textureUnit = 0;
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};
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std::set<String> s_openGLextensionSet;
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std::unordered_map<const Context*, ContextStates> s_contexts;
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thread_local ContextStates* s_contextStates = nullptr;
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String s_rendererName;
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String s_vendorName;
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bool s_initialized = false;
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bool s_openGLextensions[OpenGLExtension_Max + 1] = {false};
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unsigned int s_glslVersion = 0;
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unsigned int s_openglVersion = 0;
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bool LoadExtensionsString(const String& extensionString)
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{
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if (extensionString.IsEmpty())
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{
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NazaraError("Unable to get extension string");
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return false;
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}
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// On peut sûrement faire plus rapide mais comme ça ne se fait qu'une fois et que String implémente le COW...
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std::vector<String> ext;
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extensionString.Split(ext);
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for (std::vector<String>::iterator it = ext.begin(); it != ext.end(); ++it)
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s_openGLextensionSet.insert(*it);
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return true;
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}
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bool LoadExtensions3()
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{
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GLint extensionCount = 0;
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glGetIntegerv(GL_NUM_EXTENSIONS, &extensionCount);
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if (extensionCount <= 0)
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{
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NazaraError("Unable to get extension count");
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return false;
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}
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for (int i = 0; i < extensionCount; ++i)
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{
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String extension(reinterpret_cast<const char*>(glGetStringi(GL_EXTENSIONS, i)));
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if (extension.IsEmpty())
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{
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NazaraWarning("Unable to get extension #" + String::Number(i));
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continue;
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}
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s_openGLextensionSet.insert(extension);
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}
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return true;
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}
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}
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void OpenGL::ApplyStates(const RenderStates& states)
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{
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#ifdef NAZARA_DEBUG
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if (!s_contextStates)
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{
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NazaraError("No context activated");
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return;
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}
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#endif
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RenderStates& currentRenderStates = s_contextStates->renderStates;
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// Les fonctions de blend n'a aucun intérêt sans blending
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if (states.blending)
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if (currentRenderStates.dstBlend != states.dstBlend ||
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currentRenderStates.srcBlend != states.srcBlend)
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{
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glBlendFunc(BlendFunc[states.srcBlend], BlendFunc[states.dstBlend]);
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currentRenderStates.dstBlend = states.dstBlend;
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currentRenderStates.srcBlend = states.srcBlend;
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}
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if (states.depthBuffer)
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{
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// La comparaison de profondeur n'a aucun intérêt sans depth buffer
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if (currentRenderStates.depthFunc != states.depthFunc)
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{
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glDepthFunc(RendererComparison[states.depthFunc]);
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currentRenderStates.depthFunc = states.depthFunc;
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}
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// Le DepthWrite n'a aucune importance si le DepthBuffer est désactivé
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if (currentRenderStates.depthWrite != states.depthWrite)
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{
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glDepthMask((states.depthWrite) ? GL_TRUE : GL_FALSE);
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currentRenderStates.depthWrite = states.depthWrite;
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}
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}
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// Inutile de changer le mode de face culling s'il n'est pas actif
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if (states.faceCulling)
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if (currentRenderStates.cullingSide != states.cullingSide)
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{
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glCullFace(FaceSide[states.cullingSide]);
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currentRenderStates.cullingSide = states.cullingSide;
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}
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if (currentRenderStates.faceFilling != states.faceFilling)
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{
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glPolygonMode(GL_FRONT_AND_BACK, FaceFilling[states.faceFilling]);
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currentRenderStates.faceFilling = states.faceFilling;
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}
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// Ici encore, ça ne sert à rien de se soucier des fonctions de stencil sans qu'il soit activé
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if (states.stencilTest)
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{
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if (currentRenderStates.stencilCompare.back != states.stencilCompare.back ||
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currentRenderStates.stencilReference.back != states.stencilReference.back ||
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currentRenderStates.stencilWriteMask.back != states.stencilWriteMask.back)
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{
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glStencilFuncSeparate(GL_BACK, RendererComparison[states.stencilCompare.back], states.stencilReference.back, states.stencilWriteMask.back);
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currentRenderStates.stencilCompare.back = states.stencilCompare.back;
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currentRenderStates.stencilReference.back = states.stencilReference.back;
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currentRenderStates.stencilWriteMask.back = states.stencilWriteMask.back;
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}
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if (currentRenderStates.stencilDepthFail.back != states.stencilDepthFail.back ||
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currentRenderStates.stencilFail.back != states.stencilFail.back ||
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currentRenderStates.stencilPass.back != states.stencilPass.back)
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{
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glStencilOpSeparate(GL_BACK, StencilOperation[states.stencilFail.back], StencilOperation[states.stencilDepthFail.back], StencilOperation[states.stencilPass.back]);
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currentRenderStates.stencilDepthFail.back = states.stencilDepthFail.back;
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currentRenderStates.stencilFail.back = states.stencilFail.back;
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currentRenderStates.stencilPass.back = states.stencilPass.back;
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}
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if (currentRenderStates.stencilCompare.front != states.stencilCompare.front ||
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currentRenderStates.stencilReference.front != states.stencilReference.front ||
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currentRenderStates.stencilWriteMask.front != states.stencilWriteMask.front)
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{
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glStencilFuncSeparate(GL_FRONT, RendererComparison[states.stencilCompare.front], states.stencilReference.front, states.stencilWriteMask.front);
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currentRenderStates.stencilCompare.front = states.stencilCompare.front;
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currentRenderStates.stencilReference.front = states.stencilReference.front;
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currentRenderStates.stencilWriteMask.front = states.stencilWriteMask.front;
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}
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if (currentRenderStates.stencilDepthFail.front != states.stencilDepthFail.front ||
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currentRenderStates.stencilFail.front != states.stencilFail.front ||
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currentRenderStates.stencilPass.front != states.stencilPass.front)
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{
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glStencilOpSeparate(GL_FRONT, StencilOperation[states.stencilFail.front], StencilOperation[states.stencilDepthFail.front], StencilOperation[states.stencilPass.front]);
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currentRenderStates.stencilDepthFail.front = states.stencilDepthFail.front;
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currentRenderStates.stencilFail.front = states.stencilFail.front;
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currentRenderStates.stencilPass.front = states.stencilPass.front;
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}
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}
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if (!NumberEquals(currentRenderStates.lineWidth, states.lineWidth, 0.001f))
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{
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glLineWidth(states.lineWidth);
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currentRenderStates.lineWidth = states.lineWidth;
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}
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if (!NumberEquals(currentRenderStates.pointSize, states.pointSize, 0.001f))
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{
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glPointSize(states.pointSize);
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currentRenderStates.pointSize = states.pointSize;
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}
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// Paramètres de rendu
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if (currentRenderStates.blending != states.blending)
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{
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if (states.blending)
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glEnable(GL_BLEND);
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else
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glDisable(GL_BLEND);
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currentRenderStates.blending = states.blending;
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}
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if (currentRenderStates.colorWrite != states.colorWrite)
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{
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GLboolean param = (states.colorWrite) ? GL_TRUE : GL_FALSE;
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glColorMask(param, param, param, param);
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currentRenderStates.colorWrite = states.colorWrite;
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}
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if (currentRenderStates.depthBuffer != states.depthBuffer)
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{
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if (states.depthBuffer)
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glEnable(GL_DEPTH_TEST);
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else
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glDisable(GL_DEPTH_TEST);
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currentRenderStates.depthBuffer = states.depthBuffer;
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}
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if (currentRenderStates.faceCulling != states.faceCulling)
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{
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if (states.faceCulling)
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glEnable(GL_CULL_FACE);
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else
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glDisable(GL_CULL_FACE);
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currentRenderStates.faceCulling = states.faceCulling;
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}
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if (currentRenderStates.scissorTest != states.scissorTest)
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{
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if (states.scissorTest)
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glEnable(GL_SCISSOR_TEST);
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else
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glDisable(GL_SCISSOR_TEST);
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currentRenderStates.scissorTest = states.scissorTest;
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}
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if (currentRenderStates.stencilTest != states.stencilTest)
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{
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if (states.stencilTest)
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glEnable(GL_STENCIL_TEST);
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else
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glDisable(GL_STENCIL_TEST);
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currentRenderStates.stencilTest = states.stencilTest;
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}
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}
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void OpenGL::BindBuffer(BufferType type, GLuint id)
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{
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#ifdef NAZARA_DEBUG
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if (!s_contextStates)
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{
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NazaraError("No context activated");
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return;
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}
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#endif
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if (s_contextStates->buffersBinding[type] != id)
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{
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glBindBuffer(BufferTarget[type], id);
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s_contextStates->buffersBinding[type] = id;
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}
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}
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void OpenGL::BindProgram(GLuint id)
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{
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#ifdef NAZARA_DEBUG
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if (!s_contextStates)
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{
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NazaraError("No context activated");
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return;
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}
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#endif
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if (s_contextStates->currentProgram != id)
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{
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glUseProgram(id);
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s_contextStates->currentProgram = id;
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}
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}
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void OpenGL::BindSampler(GLuint unit, GLuint id)
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{
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#ifdef NAZARA_DEBUG
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if (!glBindSampler)
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{
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NazaraError("Sampler are not supported");
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return;
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}
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if (!s_contextStates)
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{
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NazaraError("No context activated");
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return;
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}
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#endif
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if (s_contextStates->samplers[unit] != id)
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{
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glBindSampler(unit, id);
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s_contextStates->samplers[unit] = id;
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}
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}
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void OpenGL::BindScissorBox(const Recti& scissorBox)
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{
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#ifdef NAZARA_DEBUG
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if (!s_contextStates)
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{
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NazaraError("No context activated");
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return;
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}
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#endif
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#if NAZARA_RENDERER_SAFE
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if (scissorBox.width < 0)
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{
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NazaraError("Scissor box width must be positive");
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return;
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}
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if (scissorBox.height < 0)
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{
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NazaraError("Scissor box height must be positive");
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return;
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}
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#endif
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if (s_contextStates->currentScissorBox != scissorBox)
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{
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if (s_contextStates->currentTarget)
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{
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unsigned int height = s_contextStates->currentTarget->GetSize().y;
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glScissor(scissorBox.x, height - scissorBox.height - scissorBox.y, scissorBox.width, scissorBox.height);
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s_contextStates->scissorBoxUpdated = true;
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}
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else
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s_contextStates->scissorBoxUpdated = false; // Sinon on attend d'avoir un target
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s_contextStates->currentScissorBox = scissorBox;
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}
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}
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void OpenGL::BindTexture(ImageType type, GLuint id)
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{
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#ifdef NAZARA_DEBUG
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if (!s_contextStates)
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{
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NazaraError("No context activated");
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return;
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}
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#endif
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if (s_contextStates->texturesBinding[s_contextStates->textureUnit] != id)
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{
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glBindTexture(TextureTarget[type], id);
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s_contextStates->texturesBinding[s_contextStates->textureUnit] = id;
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}
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}
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void OpenGL::BindTexture(unsigned int textureUnit, ImageType type, GLuint id)
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{
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#ifdef NAZARA_DEBUG
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if (!s_contextStates)
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{
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NazaraError("No context activated");
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return;
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}
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#endif
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if (s_contextStates->texturesBinding[textureUnit] != id)
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{
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BindTextureUnit(textureUnit);
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glBindTexture(TextureTarget[type], id);
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s_contextStates->texturesBinding[textureUnit] = id;
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}
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}
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void OpenGL::BindTextureUnit(unsigned int textureUnit)
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{
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#ifdef NAZARA_DEBUG
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if (!s_contextStates)
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{
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NazaraError("No context activated");
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return;
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}
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#endif
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if (s_contextStates->textureUnit != textureUnit)
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{
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glActiveTexture(GL_TEXTURE0 + textureUnit);
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s_contextStates->textureUnit = textureUnit;
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}
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}
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void OpenGL::BindViewport(const Recti& viewport)
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{
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#ifdef NAZARA_DEBUG
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if (!s_contextStates)
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{
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NazaraError("No context activated");
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return;
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}
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#endif
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#if NAZARA_RENDERER_SAFE
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if (viewport.width < 0)
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{
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NazaraError("Viewport width must be positive");
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return;
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}
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if (viewport.height < 0)
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{
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NazaraError("Viewport height must be positive");
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return;
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}
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#endif
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if (s_contextStates->currentViewport != viewport)
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{
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if (s_contextStates->currentTarget)
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{
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unsigned int height = s_contextStates->currentTarget->GetSize().y;
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glViewport(viewport.x, height - viewport.height - viewport.y, viewport.width, viewport.height);
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s_contextStates->viewportUpdated = true;
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}
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else
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s_contextStates->viewportUpdated = false; // Sinon on attend d'avoir un target
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s_contextStates->currentViewport = viewport;
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}
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}
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void OpenGL::DeleteBuffer(BufferType type, GLuint id)
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{
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#ifdef NAZARA_DEBUG
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if (!s_contextStates)
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{
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NazaraError("No context activated");
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return;
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}
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#endif
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glDeleteBuffers(1, &id);
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if (s_contextStates->buffersBinding[type] == id)
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s_contextStates->buffersBinding[type] = 0;
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}
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void OpenGL::DeleteFrameBuffer(const Context* context, GLuint id)
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{
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|
// Si le contexte est actif, ne nous privons pas
|
|
if (Context::GetCurrent() == context)
|
|
glDeleteFramebuffers(1, &id);
|
|
else
|
|
s_contexts[context].garbage.emplace_back(GarbageResourceType_FrameBuffer, id);
|
|
}
|
|
|
|
void OpenGL::DeleteProgram(GLuint id)
|
|
{
|
|
#ifdef NAZARA_DEBUG
|
|
if (!s_contextStates)
|
|
{
|
|
NazaraError("No context activated");
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
glDeleteProgram(id);
|
|
if (s_contextStates->currentProgram == id)
|
|
s_contextStates->currentProgram = 0;
|
|
}
|
|
|
|
void OpenGL::DeleteSampler(GLuint id)
|
|
{
|
|
#ifdef NAZARA_DEBUG
|
|
if (!glDeleteSamplers)
|
|
{
|
|
NazaraError("Sampler are not supported");
|
|
return;
|
|
}
|
|
|
|
if (!s_contextStates)
|
|
{
|
|
NazaraError("No context activated");
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
glDeleteSamplers(1, &id);
|
|
|
|
for (GLuint& binding : s_contextStates->samplers)
|
|
{
|
|
if (binding == id)
|
|
binding = 0;
|
|
}
|
|
}
|
|
|
|
void OpenGL::DeleteTexture(GLuint id)
|
|
{
|
|
#ifdef NAZARA_DEBUG
|
|
if (!s_contextStates)
|
|
{
|
|
NazaraError("No context activated");
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
glDeleteTextures(1, &id);
|
|
|
|
for (GLuint& binding : s_contextStates->texturesBinding)
|
|
{
|
|
if (binding == id)
|
|
binding = 0;
|
|
}
|
|
}
|
|
|
|
void OpenGL::DeleteVertexArray(const Context* context, GLuint id)
|
|
{
|
|
// Si le contexte est actif, ne nous privons pas
|
|
if (Context::GetCurrent() == context)
|
|
glDeleteFramebuffers(1, &id);
|
|
else
|
|
s_contexts[context].garbage.emplace_back(GarbageResourceType_VertexArray, id);
|
|
}
|
|
|
|
GLuint OpenGL::GetCurrentBuffer(BufferType type)
|
|
{
|
|
#ifdef NAZARA_DEBUG
|
|
if (!s_contextStates)
|
|
{
|
|
NazaraError("No context activated");
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
return s_contextStates->buffersBinding[type];
|
|
}
|
|
|
|
GLuint OpenGL::GetCurrentProgram()
|
|
{
|
|
#ifdef NAZARA_DEBUG
|
|
if (!s_contextStates)
|
|
{
|
|
NazaraError("No context activated");
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
return s_contextStates->currentProgram;
|
|
}
|
|
|
|
Recti OpenGL::GetCurrentScissorBox()
|
|
{
|
|
#ifdef NAZARA_DEBUG
|
|
if (!s_contextStates)
|
|
{
|
|
NazaraError("No context activated");
|
|
return Recti();
|
|
}
|
|
#endif
|
|
|
|
return s_contextStates->currentScissorBox;
|
|
}
|
|
|
|
const RenderTarget* OpenGL::GetCurrentTarget()
|
|
{
|
|
#ifdef NAZARA_DEBUG
|
|
if (!s_contextStates)
|
|
{
|
|
NazaraError("No context activated");
|
|
return nullptr;
|
|
}
|
|
#endif
|
|
|
|
return s_contextStates->currentTarget;
|
|
}
|
|
|
|
GLuint OpenGL::GetCurrentTexture()
|
|
{
|
|
#ifdef NAZARA_DEBUG
|
|
if (!s_contextStates)
|
|
{
|
|
NazaraError("No context activated");
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
return s_contextStates->texturesBinding[s_contextStates->textureUnit];
|
|
}
|
|
|
|
GLuint OpenGL::GetCurrentTexture(unsigned int textureUnit)
|
|
{
|
|
#ifdef NAZARA_DEBUG
|
|
if (!s_contextStates)
|
|
{
|
|
NazaraError("No context activated");
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
return s_contextStates->texturesBinding[textureUnit];
|
|
}
|
|
|
|
unsigned int OpenGL::GetCurrentTextureUnit()
|
|
{
|
|
#ifdef NAZARA_DEBUG
|
|
if (!s_contextStates)
|
|
{
|
|
NazaraError("No context activated");
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
return s_contextStates->textureUnit;
|
|
}
|
|
|
|
Recti OpenGL::GetCurrentViewport()
|
|
{
|
|
#ifdef NAZARA_DEBUG
|
|
if (!s_contextStates)
|
|
{
|
|
NazaraError("No context activated");
|
|
return Recti();
|
|
}
|
|
#endif
|
|
|
|
return s_contextStates->currentViewport;
|
|
}
|
|
|
|
OpenGLFunc OpenGL::GetEntry(const String& entryPoint)
|
|
{
|
|
return LoadEntry(entryPoint.GetConstBuffer(), false);
|
|
}
|
|
|
|
unsigned int OpenGL::GetGLSLVersion()
|
|
{
|
|
return s_glslVersion;
|
|
}
|
|
|
|
String OpenGL::GetRendererName()
|
|
{
|
|
return s_rendererName;
|
|
}
|
|
|
|
String OpenGL::GetVendorName()
|
|
{
|
|
return s_vendorName;
|
|
}
|
|
|
|
unsigned int OpenGL::GetVersion()
|
|
{
|
|
return s_openglVersion;
|
|
}
|
|
|
|
bool OpenGL::Initialize()
|
|
{
|
|
if (s_initialized)
|
|
return true;
|
|
|
|
|
|
#if defined(NAZARA_PLATFORM_SDL2)
|
|
if (SDL_VideoInit(NULL) != 0)
|
|
NazaraError(SDL_GetError());
|
|
|
|
#elif defined(NAZARA_PLATFORM_GLX)
|
|
Initializer<X11> display;
|
|
if (!display)
|
|
{
|
|
NazaraError("Failed to load display library");
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
if (!LoadLibrary())
|
|
{
|
|
NazaraError("Failed to load OpenGL library");
|
|
return false;
|
|
}
|
|
|
|
s_initialized = true;
|
|
|
|
// En cas d'erreur, on libèrera OpenGL
|
|
CallOnExit onExit(OpenGL::Uninitialize);
|
|
|
|
// Le chargement des fonctions OpenGL nécessite un contexte OpenGL
|
|
ContextParameters parameters;
|
|
parameters.majorVersion = 2;
|
|
parameters.minorVersion = 0;
|
|
parameters.shared = false;
|
|
|
|
/*
|
|
Note: Même le contexte de chargement nécessite quelques fonctions de base pour correctement s'initialiser
|
|
Pour cette raison, deux contextes sont créés, le premier sert à récupérer les fonctions permetttant
|
|
de créer le second avec les bons paramètres.
|
|
|
|
Non sérieusement si vous avez une meilleure idée, contactez-moi
|
|
*/
|
|
|
|
/****************************Chargement OpenGL****************************/
|
|
|
|
///FIXME: I'm really thinking this is a mistake and GLX has no need to be initialized differently (Lynix)
|
|
#if defined(NAZARA_PLATFORM_LINUX) && not defined(NAZARA_PLATFORM_SDL2)
|
|
glXCreateContextAttribs = reinterpret_cast<GLX::PFNGLXCREATECONTEXTATTRIBSARBPROC>(LoadEntry("glXCreateContextAttribsARB", false));
|
|
#endif
|
|
|
|
Context loadContext;
|
|
if (!loadContext.Create(parameters))
|
|
{
|
|
NazaraError("Failed to create load context");
|
|
return false;
|
|
}
|
|
|
|
#if defined(NAZARA_PLATFORM_WINDOWS) && not defined(NAZARA_PLATFORM_SDL2)
|
|
wglCreateContextAttribs = reinterpret_cast<PFNWGLCREATECONTEXTATTRIBSARBPROC>(LoadEntry("wglCreateContextAttribsARB", false));
|
|
wglChoosePixelFormat = reinterpret_cast<PFNWGLCHOOSEPIXELFORMATARBPROC>(LoadEntry("wglChoosePixelFormatARB", false));
|
|
if (!wglChoosePixelFormat)
|
|
wglChoosePixelFormat = reinterpret_cast<PFNWGLCHOOSEPIXELFORMATEXTPROC>(LoadEntry("wglChoosePixelFormatEXT", false));
|
|
#endif
|
|
|
|
// Récupération de la version d'OpenGL et du GLSL
|
|
// Ce code se base sur le fait que la carte graphique renverra un contexte de compatibilité avec la plus haute version supportée
|
|
// Ce qui semble vrai chez AMD, NVidia et Intel, mais j'aimerai une preuve que ça sera toujours le cas...
|
|
glGetString = reinterpret_cast<PFNGLGETSTRINGPROC>(LoadEntry("glGetString", false));
|
|
if (!glGetString)
|
|
{
|
|
NazaraError("Unable to load OpenGL: failed to load glGetString");
|
|
return false;
|
|
}
|
|
|
|
const GLubyte* version;
|
|
unsigned int major;
|
|
unsigned int minor;
|
|
|
|
version = glGetString(GL_VERSION);
|
|
if (!version)
|
|
{
|
|
NazaraError("Unable to retrieve OpenGL version");
|
|
return false;
|
|
}
|
|
|
|
major = version[0] - '0';
|
|
minor = version[2] - '0';
|
|
|
|
if (major == 0 || major > 9)
|
|
{
|
|
NazaraError("Unable to retrieve OpenGL major version");
|
|
return false;
|
|
}
|
|
|
|
if (minor > 9) // 0 est une valeur correcte ici (ex: OpenGL 3.0)
|
|
{
|
|
NazaraWarning("Unable to retrieve OpenGL minor version (assuming 0)");
|
|
minor = 0;
|
|
}
|
|
|
|
s_openglVersion = major * 100 + minor * 10; // Donnera 330 pour OpenGL 3.3, 410 pour OpenGL 4.1, bien plus facile à comparer
|
|
|
|
NazaraDebug("OpenGL version: " + String::Number(major) + '.' + String::Number(minor));
|
|
|
|
// Le moteur nécessite OpenGL 3.3, autant s'arrêter là si ce n'est pas le cas
|
|
if (s_openglVersion < 330)
|
|
{
|
|
NazaraError("OpenGL " + String::Number(major) + '.' + String::Number(minor) + " detected (3.3 required). Please upgrade your drivers or your video card");
|
|
return false;
|
|
}
|
|
|
|
// Récupération de la version du GLSL, même technique
|
|
version = glGetString(GL_SHADING_LANGUAGE_VERSION);
|
|
if (!version)
|
|
{
|
|
NazaraError("Unable to retrieve GLSL version");
|
|
return false;
|
|
}
|
|
|
|
major = version[0] - '0';
|
|
minor = version[2] - '0';
|
|
|
|
if (major == 0 || major > 9)
|
|
{
|
|
NazaraError("Unable to retrieve GLSL major version");
|
|
return false;
|
|
}
|
|
|
|
if (minor > 9) // 0 est une valeur correcte ici (ex: GLSL 4.0)
|
|
{
|
|
NazaraWarning("Unable to retrieve GLSL minor version (using 0)");
|
|
minor = 0;
|
|
}
|
|
|
|
s_glslVersion = major * 100 + minor * 10; // GLSL 3.3 => 330
|
|
|
|
// Normalement rejeté il y a un moment déjà, mais on doit s'attendre à tout de la part d'un driver...
|
|
if (s_glslVersion < 330)
|
|
{
|
|
NazaraError("GLSL version is too low, please upgrade your drivers or your video card");
|
|
return false;
|
|
}
|
|
|
|
parameters.debugMode = true; // Certaines extensions n'apparaissent qu'avec un contexte de debug (e.g. ARB_debug_output)
|
|
parameters.majorVersion = ContextParameters::defaultMajorVersion = major;
|
|
parameters.minorVersion = ContextParameters::defaultMinorVersion = minor;
|
|
|
|
if (!loadContext.Create(parameters)) // Destruction implicite du premier contexte
|
|
{
|
|
NazaraError("Failed to create load context");
|
|
return false;
|
|
}
|
|
|
|
/****************************************Noyau****************************************/
|
|
|
|
try
|
|
{
|
|
glActiveTexture = reinterpret_cast<PFNGLACTIVETEXTUREPROC>(LoadEntry("glActiveTexture"));
|
|
glAttachShader = reinterpret_cast<PFNGLATTACHSHADERPROC>(LoadEntry("glAttachShader"));
|
|
glBeginConditionalRender = reinterpret_cast<PFNGLBEGINCONDITIONALRENDERPROC>(LoadEntry("glBeginConditionalRender"));
|
|
glBeginQuery = reinterpret_cast<PFNGLBEGINQUERYPROC>(LoadEntry("glBeginQuery"));
|
|
glBindAttribLocation = reinterpret_cast<PFNGLBINDATTRIBLOCATIONPROC>(LoadEntry("glBindAttribLocation"));
|
|
glBindBuffer = reinterpret_cast<PFNGLBINDBUFFERPROC>(LoadEntry("glBindBuffer"));
|
|
glBindFragDataLocation = reinterpret_cast<PFNGLBINDFRAGDATALOCATIONPROC>(LoadEntry("glBindFragDataLocation"));
|
|
glBindFramebuffer = reinterpret_cast<PFNGLBINDFRAMEBUFFERPROC>(LoadEntry("glBindFramebuffer"));
|
|
glBindRenderbuffer = reinterpret_cast<PFNGLBINDRENDERBUFFERPROC>(LoadEntry("glBindRenderbuffer"));
|
|
glBindSampler = reinterpret_cast<PFNGLBINDSAMPLERPROC>(LoadEntry("glBindSampler"));
|
|
glBindTexture = reinterpret_cast<PFNGLBINDTEXTUREPROC>(LoadEntry("glBindTexture"));
|
|
glBindVertexArray = reinterpret_cast<PFNGLBINDVERTEXARRAYPROC>(LoadEntry("glBindVertexArray"));
|
|
glBlendFunc = reinterpret_cast<PFNGLBLENDFUNCPROC>(LoadEntry("glBlendFunc"));
|
|
glBlendFuncSeparate = reinterpret_cast<PFNGLBLENDFUNCSEPARATEPROC>(LoadEntry("glBlendFuncSeparate"));
|
|
glBlitFramebuffer = reinterpret_cast<PFNGLBLITFRAMEBUFFERPROC>(LoadEntry("glBlitFramebuffer"));
|
|
glBufferData = reinterpret_cast<PFNGLBUFFERDATAPROC>(LoadEntry("glBufferData"));
|
|
glBufferSubData = reinterpret_cast<PFNGLBUFFERSUBDATAPROC>(LoadEntry("glBufferSubData"));
|
|
glClear = reinterpret_cast<PFNGLCLEARPROC>(LoadEntry("glClear"));
|
|
glClearColor = reinterpret_cast<PFNGLCLEARCOLORPROC>(LoadEntry("glClearColor"));
|
|
glClearDepth = reinterpret_cast<PFNGLCLEARDEPTHPROC>(LoadEntry("glClearDepth"));
|
|
glClearStencil = reinterpret_cast<PFNGLCLEARSTENCILPROC>(LoadEntry("glClearStencil"));
|
|
glCheckFramebufferStatus = reinterpret_cast<PFNGLCHECKFRAMEBUFFERSTATUSPROC>(LoadEntry("glCheckFramebufferStatus"));
|
|
glCreateProgram = reinterpret_cast<PFNGLCREATEPROGRAMPROC>(LoadEntry("glCreateProgram"));
|
|
glCreateShader = reinterpret_cast<PFNGLCREATESHADERPROC>(LoadEntry("glCreateShader"));
|
|
glColorMask = reinterpret_cast<PFNGLCOLORMASKPROC>(LoadEntry("glColorMask"));
|
|
glCompressedTexSubImage1D = reinterpret_cast<PFNGLCOMPRESSEDTEXSUBIMAGE1DPROC>(LoadEntry("glCompressedTexSubImage1D"));
|
|
glCompressedTexSubImage2D = reinterpret_cast<PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC>(LoadEntry("glCompressedTexSubImage2D"));
|
|
glCompressedTexSubImage3D = reinterpret_cast<PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC>(LoadEntry("glCompressedTexSubImage3D"));
|
|
glCullFace = reinterpret_cast<PFNGLCULLFACEPROC>(LoadEntry("glCullFace"));
|
|
glCompileShader = reinterpret_cast<PFNGLCOMPILESHADERPROC>(LoadEntry("glCompileShader"));
|
|
glCopyTexSubImage2D = reinterpret_cast<PFNGLCOPYTEXSUBIMAGE2DPROC>(LoadEntry("glCopyTexSubImage2D"));
|
|
glDeleteBuffers = reinterpret_cast<PFNGLDELETEBUFFERSPROC>(LoadEntry("glDeleteBuffers"));
|
|
glDeleteFramebuffers = reinterpret_cast<PFNGLDELETEFRAMEBUFFERSPROC>(LoadEntry("glDeleteFramebuffers"));
|
|
glDeleteQueries = reinterpret_cast<PFNGLDELETEQUERIESPROC>(LoadEntry("glDeleteQueries"));
|
|
glDeleteProgram = reinterpret_cast<PFNGLDELETEPROGRAMPROC>(LoadEntry("glDeleteProgram"));
|
|
glDeleteRenderbuffers = reinterpret_cast<PFNGLDELETERENDERBUFFERSPROC>(LoadEntry("glDeleteRenderbuffers"));
|
|
glDeleteSamplers = reinterpret_cast<PFNGLDELETESAMPLERSPROC>(LoadEntry("glDeleteSamplers"));
|
|
glDeleteShader = reinterpret_cast<PFNGLDELETESHADERPROC>(LoadEntry("glDeleteShader"));
|
|
glDeleteTextures = reinterpret_cast<PFNGLDELETETEXTURESPROC>(LoadEntry("glDeleteTextures"));
|
|
glDeleteVertexArrays = reinterpret_cast<PFNGLDELETEVERTEXARRAYSPROC>(LoadEntry("glDeleteVertexArrays"));
|
|
glDepthFunc = reinterpret_cast<PFNGLDEPTHFUNCPROC>(LoadEntry("glDepthFunc"));
|
|
glDepthMask = reinterpret_cast<PFNGLDEPTHMASKPROC>(LoadEntry("glDepthMask"));
|
|
glDisable = reinterpret_cast<PFNGLDISABLEPROC>(LoadEntry("glDisable"));
|
|
glDisableVertexAttribArray = reinterpret_cast<PFNGLDISABLEVERTEXATTRIBARRAYPROC>(LoadEntry("glDisableVertexAttribArray"));
|
|
glDrawArrays = reinterpret_cast<PFNGLDRAWARRAYSPROC>(LoadEntry("glDrawArrays"));
|
|
glDrawArraysInstanced = reinterpret_cast<PFNGLDRAWARRAYSINSTANCEDPROC>(LoadEntry("glDrawArraysInstanced"));
|
|
glDrawBuffer = reinterpret_cast<PFNGLDRAWBUFFERPROC>(LoadEntry("glDrawBuffer"));
|
|
glDrawBuffers = reinterpret_cast<PFNGLDRAWBUFFERSPROC>(LoadEntry("glDrawBuffers"));
|
|
glDrawElements = reinterpret_cast<PFNGLDRAWELEMENTSPROC>(LoadEntry("glDrawElements"));
|
|
glDrawElementsInstanced = reinterpret_cast<PFNGLDRAWELEMENTSINSTANCEDPROC>(LoadEntry("glDrawElementsInstanced"));
|
|
glEnable = reinterpret_cast<PFNGLENABLEPROC>(LoadEntry("glEnable"));
|
|
glEnableVertexAttribArray = reinterpret_cast<PFNGLENABLEVERTEXATTRIBARRAYPROC>(LoadEntry("glEnableVertexAttribArray"));
|
|
glEndConditionalRender = reinterpret_cast<PFNGLENDCONDITIONALRENDERPROC>(LoadEntry("glEndConditionalRender"));
|
|
glEndQuery = reinterpret_cast<PFNGLENDQUERYPROC>(LoadEntry("glEndQuery"));
|
|
glFlush = reinterpret_cast<PFNGLFLUSHPROC>(LoadEntry("glFlush"));
|
|
glFramebufferRenderbuffer = reinterpret_cast<PFNGLFRAMEBUFFERRENDERBUFFERPROC>(LoadEntry("glFramebufferRenderbuffer"));
|
|
glFramebufferTexture = reinterpret_cast<PFNGLFRAMEBUFFERTEXTUREPROC>(LoadEntry("glFramebufferTexture"));
|
|
glFramebufferTexture1D = reinterpret_cast<PFNGLFRAMEBUFFERTEXTURE1DPROC>(LoadEntry("glFramebufferTexture1D"));
|
|
glFramebufferTexture2D = reinterpret_cast<PFNGLFRAMEBUFFERTEXTURE2DPROC>(LoadEntry("glFramebufferTexture2D"));
|
|
glFramebufferTexture3D = reinterpret_cast<PFNGLFRAMEBUFFERTEXTURE3DPROC>(LoadEntry("glFramebufferTexture3D"));
|
|
glFramebufferTextureLayer = reinterpret_cast<PFNGLFRAMEBUFFERTEXTURELAYERPROC>(LoadEntry("glFramebufferTextureLayer"));
|
|
glGenerateMipmap = reinterpret_cast<PFNGLGENERATEMIPMAPPROC>(LoadEntry("glGenerateMipmap"));
|
|
glGenBuffers = reinterpret_cast<PFNGLGENBUFFERSPROC>(LoadEntry("glGenBuffers"));
|
|
glGenFramebuffers = reinterpret_cast<PFNGLGENFRAMEBUFFERSPROC>(LoadEntry("glGenFramebuffers"));
|
|
glGenQueries = reinterpret_cast<PFNGLGENQUERIESPROC>(LoadEntry("glGenQueries"));
|
|
glGenRenderbuffers = reinterpret_cast<PFNGLGENRENDERBUFFERSPROC>(LoadEntry("glGenRenderbuffers"));
|
|
glGenSamplers = reinterpret_cast<PFNGLGENSAMPLERSPROC>(LoadEntry("glGenSamplers"));
|
|
glGenTextures = reinterpret_cast<PFNGLGENTEXTURESPROC>(LoadEntry("glGenTextures"));
|
|
glGenVertexArrays = reinterpret_cast<PFNGLGENVERTEXARRAYSPROC>(LoadEntry("glGenVertexArrays"));
|
|
glGetActiveUniform = reinterpret_cast<PFNGLGETACTIVEUNIFORMPROC>(LoadEntry("glGetActiveUniform"));
|
|
glGetBooleanv = reinterpret_cast<PFNGLGETBOOLEANVPROC>(LoadEntry("glGetBooleanv"));
|
|
glGetBufferParameteriv = reinterpret_cast<PFNGLGETBUFFERPARAMETERIVPROC>(LoadEntry("glGetBufferParameteriv"));
|
|
glGetError = reinterpret_cast<PFNGLGETERRORPROC>(LoadEntry("glGetError"));
|
|
glGetFloatv = reinterpret_cast<PFNGLGETFLOATVPROC>(LoadEntry("glGetFloatv"));
|
|
glGetIntegerv = reinterpret_cast<PFNGLGETINTEGERVPROC>(LoadEntry("glGetIntegerv"));
|
|
glGetQueryiv = reinterpret_cast<PFNGLGETQUERYIVPROC>(LoadEntry("glGetQueryiv"));
|
|
glGetQueryObjectiv = reinterpret_cast<PFNGLGETQUERYOBJECTIVPROC>(LoadEntry("glGetQueryObjectiv"));
|
|
glGetQueryObjectuiv = reinterpret_cast<PFNGLGETQUERYOBJECTUIVPROC>(LoadEntry("glGetQueryObjectuiv"));
|
|
glGetProgramiv = reinterpret_cast<PFNGLGETPROGRAMIVPROC>(LoadEntry("glGetProgramiv"));
|
|
glGetProgramInfoLog = reinterpret_cast<PFNGLGETPROGRAMINFOLOGPROC>(LoadEntry("glGetProgramInfoLog"));
|
|
glGetShaderInfoLog = reinterpret_cast<PFNGLGETSHADERINFOLOGPROC>(LoadEntry("glGetShaderInfoLog"));
|
|
glGetShaderiv = reinterpret_cast<PFNGLGETSHADERIVPROC>(LoadEntry("glGetShaderiv"));
|
|
glGetShaderSource = reinterpret_cast<PFNGLGETSHADERSOURCEPROC>(LoadEntry("glGetShaderSource"));
|
|
glGetStringi = reinterpret_cast<PFNGLGETSTRINGIPROC>(LoadEntry("glGetStringi"));
|
|
glGetTexImage = reinterpret_cast<PFNGLGETTEXIMAGEPROC>(LoadEntry("glGetTexImage"));
|
|
glGetTexLevelParameterfv = reinterpret_cast<PFNGLGETTEXLEVELPARAMETERFVPROC>(LoadEntry("glGetTexLevelParameterfv"));
|
|
glGetTexLevelParameteriv = reinterpret_cast<PFNGLGETTEXLEVELPARAMETERIVPROC>(LoadEntry("glGetTexLevelParameteriv"));
|
|
glGetTexParameterfv = reinterpret_cast<PFNGLGETTEXPARAMETERFVPROC>(LoadEntry("glGetTexParameterfv"));
|
|
glGetTexParameteriv = reinterpret_cast<PFNGLGETTEXPARAMETERIVPROC>(LoadEntry("glGetTexParameteriv"));
|
|
glGetUniformfv = reinterpret_cast<PFNGLGETUNIFORMFVPROC>(LoadEntry("glGetUniformfv"));
|
|
glGetUniformiv = reinterpret_cast<PFNGLGETUNIFORMIVPROC>(LoadEntry("glGetUniformiv"));
|
|
glGetUniformLocation = reinterpret_cast<PFNGLGETUNIFORMLOCATIONPROC>(LoadEntry("glGetUniformLocation"));
|
|
glIsEnabled = reinterpret_cast<PFNGLISENABLEDPROC>(LoadEntry("glIsEnabled"));
|
|
glLineWidth = reinterpret_cast<PFNGLLINEWIDTHPROC>(LoadEntry("glLineWidth"));
|
|
glLinkProgram = reinterpret_cast<PFNGLLINKPROGRAMPROC>(LoadEntry("glLinkProgram"));
|
|
glMapBuffer = reinterpret_cast<PFNGLMAPBUFFERPROC>(LoadEntry("glMapBuffer"));
|
|
glMapBufferRange = reinterpret_cast<PFNGLMAPBUFFERRANGEPROC>(LoadEntry("glMapBufferRange"));
|
|
glPixelStorei = reinterpret_cast<PFNGLPIXELSTOREIPROC>(LoadEntry("glPixelStorei"));
|
|
glPointSize = reinterpret_cast<PFNGLPOINTSIZEPROC>(LoadEntry("glPointSize"));
|
|
glPolygonMode = reinterpret_cast<PFNGLPOLYGONMODEPROC>(LoadEntry("glPolygonMode"));
|
|
glReadPixels = reinterpret_cast<PFNGLREADPIXELSPROC>(LoadEntry("glReadPixels"));
|
|
glRenderbufferStorage = reinterpret_cast<PFNGLRENDERBUFFERSTORAGEPROC>(LoadEntry("glRenderbufferStorage"));
|
|
glSamplerParameterf = reinterpret_cast<PFNGLSAMPLERPARAMETERFPROC>(LoadEntry("glSamplerParameterf"));
|
|
glSamplerParameteri = reinterpret_cast<PFNGLSAMPLERPARAMETERIPROC>(LoadEntry("glSamplerParameteri"));
|
|
glScissor = reinterpret_cast<PFNGLSCISSORPROC>(LoadEntry("glScissor"));
|
|
glShaderSource = reinterpret_cast<PFNGLSHADERSOURCEPROC>(LoadEntry("glShaderSource"));
|
|
glStencilFunc = reinterpret_cast<PFNGLSTENCILFUNCPROC>(LoadEntry("glStencilFunc"));
|
|
glStencilFuncSeparate = reinterpret_cast<PFNGLSTENCILFUNCSEPARATEPROC>(LoadEntry("glStencilFuncSeparate"));
|
|
glStencilOp = reinterpret_cast<PFNGLSTENCILOPPROC>(LoadEntry("glStencilOp"));
|
|
glStencilOpSeparate = reinterpret_cast<PFNGLSTENCILOPSEPARATEPROC>(LoadEntry("glStencilOpSeparate"));
|
|
glTexImage2D = reinterpret_cast<PFNGLTEXIMAGE2DPROC>(LoadEntry("glTexImage2D"));
|
|
glTexImage3D = reinterpret_cast<PFNGLTEXIMAGE3DPROC>(LoadEntry("glTexImage3D"));
|
|
glTexParameterf = reinterpret_cast<PFNGLTEXPARAMETERFPROC>(LoadEntry("glTexParameterf"));
|
|
glTexParameteri = reinterpret_cast<PFNGLTEXPARAMETERIPROC>(LoadEntry("glTexParameteri"));
|
|
glTexSubImage1D = reinterpret_cast<PFNGLTEXSUBIMAGE1DPROC>(LoadEntry("glTexSubImage1D"));
|
|
glTexSubImage2D = reinterpret_cast<PFNGLTEXSUBIMAGE2DPROC>(LoadEntry("glTexSubImage2D"));
|
|
glTexSubImage3D = reinterpret_cast<PFNGLTEXSUBIMAGE3DPROC>(LoadEntry("glTexSubImage3D"));
|
|
glUniform1f = reinterpret_cast<PFNGLUNIFORM1FPROC>(LoadEntry("glUniform1f"));
|
|
glUniform1i = reinterpret_cast<PFNGLUNIFORM1IPROC>(LoadEntry("glUniform1i"));
|
|
glUniform1fv = reinterpret_cast<PFNGLUNIFORM1FVPROC>(LoadEntry("glUniform1fv"));
|
|
glUniform1iv = reinterpret_cast<PFNGLUNIFORM1IVPROC>(LoadEntry("glUniform1iv"));
|
|
glUniform2fv = reinterpret_cast<PFNGLUNIFORM2FVPROC>(LoadEntry("glUniform2fv"));
|
|
glUniform2iv = reinterpret_cast<PFNGLUNIFORM2IVPROC>(LoadEntry("glUniform2iv"));
|
|
glUniform3fv = reinterpret_cast<PFNGLUNIFORM3FVPROC>(LoadEntry("glUniform3fv"));
|
|
glUniform3iv = reinterpret_cast<PFNGLUNIFORM3IVPROC>(LoadEntry("glUniform3iv"));
|
|
glUniform4fv = reinterpret_cast<PFNGLUNIFORM4FVPROC>(LoadEntry("glUniform4fv"));
|
|
glUniform4iv = reinterpret_cast<PFNGLUNIFORM4IVPROC>(LoadEntry("glUniform4iv"));
|
|
glUniformMatrix4fv = reinterpret_cast<PFNGLUNIFORMMATRIX4FVPROC>(LoadEntry("glUniformMatrix4fv"));
|
|
glUnmapBuffer = reinterpret_cast<PFNGLUNMAPBUFFERPROC>(LoadEntry("glUnmapBuffer"));
|
|
glUseProgram = reinterpret_cast<PFNGLUSEPROGRAMPROC>(LoadEntry("glUseProgram"));
|
|
glValidateProgram = reinterpret_cast<PFNGLVALIDATEPROGRAMPROC>(LoadEntry("glValidateProgram"));
|
|
glVertexAttrib4f = reinterpret_cast<PFNGLVERTEXATTRIB4FPROC>(LoadEntry("glVertexAttrib4f"));
|
|
glVertexAttribDivisor = reinterpret_cast<PFNGLVERTEXATTRIBDIVISORPROC>(LoadEntry("glVertexAttribDivisor"));
|
|
glVertexAttribPointer = reinterpret_cast<PFNGLVERTEXATTRIBPOINTERPROC>(LoadEntry("glVertexAttribPointer"));
|
|
glVertexAttribIPointer = reinterpret_cast<PFNGLVERTEXATTRIBIPOINTERPROC>(LoadEntry("glVertexAttribIPointer"));
|
|
glViewport = reinterpret_cast<PFNGLVIEWPORTPROC>(LoadEntry("glViewport"));
|
|
}
|
|
catch (const std::exception& e)
|
|
{
|
|
NazaraError("Unable to load OpenGL: " + String(e.what()));
|
|
return false;
|
|
}
|
|
|
|
/****************************************Extensions****************************************/
|
|
|
|
// Fonctions optionnelles
|
|
glBindFragDataLocation = reinterpret_cast<PFNGLBINDFRAGDATALOCATIONPROC>(LoadEntry("glBindFragDataLocation"));
|
|
|
|
glDrawTexture = reinterpret_cast<PFNGLDRAWTEXTURENVPROC>(LoadEntry("glDrawTextureNV", false));
|
|
glInvalidateBufferData = reinterpret_cast<PFNGLINVALIDATEBUFFERDATAPROC>(LoadEntry("glInvalidateBufferData", false));
|
|
glVertexAttribLPointer = reinterpret_cast<PFNGLVERTEXATTRIBLPOINTERPROC>(LoadEntry("glVertexAttribLPointer", false));
|
|
|
|
#if defined(NAZARA_PLATFORM_WINDOWS)
|
|
wglGetExtensionsStringARB = reinterpret_cast<PFNWGLGETEXTENSIONSSTRINGARBPROC>(LoadEntry("wglGetExtensionsStringARB", false));
|
|
wglGetExtensionsStringEXT = reinterpret_cast<PFNWGLGETEXTENSIONSSTRINGEXTPROC>(LoadEntry("wglGetExtensionsStringEXT", false));
|
|
wglSwapInterval = reinterpret_cast<PFNWGLSWAPINTERVALEXTPROC>(LoadEntry("wglSwapIntervalEXT", false));
|
|
#elif defined(NAZARA_PLATFORM_GLX)
|
|
glXSwapIntervalEXT = reinterpret_cast<GLX::PFNGLXSWAPINTERVALEXTPROC>(LoadEntry("glXSwapIntervalEXT", false));
|
|
NzglXSwapIntervalMESA = reinterpret_cast<GLX::PFNGLXSWAPINTERVALMESAPROC>(LoadEntry("glXSwapIntervalMESA", false));
|
|
glXSwapIntervalSGI = reinterpret_cast<GLX::PFNGLXSWAPINTERVALSGIPROC>(LoadEntry("glXSwapIntervalSGI", false));
|
|
#endif
|
|
|
|
if (!glGetStringi || !LoadExtensions3())
|
|
{
|
|
NazaraWarning("Failed to load OpenGL 3 extension system, falling back to OpenGL 2 extension system...");
|
|
|
|
if (!LoadExtensionsString(reinterpret_cast<const char*>(glGetString(GL_EXTENSIONS))))
|
|
NazaraWarning("Failed to load extension system");
|
|
}
|
|
|
|
#if defined(NAZARA_PLATFORM_WINDOWS) && !defined(NAZARA_PLATFORM_SDL2)
|
|
{
|
|
bool loaded;
|
|
if (wglGetExtensionsStringARB)
|
|
loaded = LoadExtensionsString(reinterpret_cast<const char*>(wglGetExtensionsStringARB(wglGetCurrentDC())));
|
|
else if (wglGetExtensionsStringEXT)
|
|
loaded = LoadExtensionsString(reinterpret_cast<const char*>(wglGetExtensionsStringEXT()));
|
|
else
|
|
loaded = false;
|
|
|
|
if (!loaded)
|
|
NazaraWarning("Failed to load wgl extension string");
|
|
}
|
|
#endif
|
|
|
|
// AnisotropicFilter
|
|
s_openGLextensions[OpenGLExtension_AnisotropicFilter] = IsSupported("GL_EXT_texture_filter_anisotropic");
|
|
|
|
// DebugOutput
|
|
if (s_openglVersion >= 430 || IsSupported("GL_KHR_debug"))
|
|
{
|
|
try
|
|
{
|
|
glDebugMessageCallback = reinterpret_cast<PFNGLDEBUGMESSAGECALLBACKPROC>(LoadEntry("glDebugMessageCallback"));
|
|
glDebugMessageControl = reinterpret_cast<PFNGLDEBUGMESSAGECONTROLPROC>(LoadEntry("glDebugMessageControl"));
|
|
glDebugMessageInsert = reinterpret_cast<PFNGLDEBUGMESSAGEINSERTPROC>(LoadEntry("glDebugMessageInsert"));
|
|
glGetDebugMessageLog = reinterpret_cast<PFNGLGETDEBUGMESSAGELOGPROC>(LoadEntry("glGetDebugMessageLog"));
|
|
|
|
s_openGLextensions[OpenGLExtension_DebugOutput] = true;
|
|
}
|
|
catch (const std::exception& e)
|
|
{
|
|
NazaraWarning("Failed to load GL_KHR_debug: " + String(e.what()));
|
|
}
|
|
}
|
|
|
|
if (!s_openGLextensions[OpenGLExtension_DebugOutput] && IsSupported("GL_ARB_debug_output"))
|
|
{
|
|
try
|
|
{
|
|
glDebugMessageCallback = reinterpret_cast<PFNGLDEBUGMESSAGECALLBACKARBPROC>(LoadEntry("glDebugMessageCallbackARB"));
|
|
glDebugMessageControl = reinterpret_cast<PFNGLDEBUGMESSAGECONTROLARBPROC>(LoadEntry("glDebugMessageControlARB"));
|
|
glDebugMessageInsert = reinterpret_cast<PFNGLDEBUGMESSAGEINSERTARBPROC>(LoadEntry("glDebugMessageInsertARB"));
|
|
glGetDebugMessageLog = reinterpret_cast<PFNGLGETDEBUGMESSAGELOGARBPROC>(LoadEntry("glGetDebugMessageLogARB"));
|
|
|
|
s_openGLextensions[OpenGLExtension_DebugOutput] = true;
|
|
}
|
|
catch (const std::exception& e)
|
|
{
|
|
NazaraWarning("Failed to load GL_ARB_debug_output: " + String(e.what()));
|
|
}
|
|
}
|
|
|
|
// FP64
|
|
if (s_openglVersion >= 400 || IsSupported("GL_ARB_gpu_shader_fp64"))
|
|
{
|
|
try
|
|
{
|
|
glUniform1d = reinterpret_cast<PFNGLUNIFORM1DPROC>(LoadEntry("glUniform1d"));
|
|
glUniform1dv = reinterpret_cast<PFNGLUNIFORM1DVPROC>(LoadEntry("glUniform1dv"));
|
|
glUniform2dv = reinterpret_cast<PFNGLUNIFORM2DVPROC>(LoadEntry("glUniform2dv"));
|
|
glUniform3dv = reinterpret_cast<PFNGLUNIFORM3DVPROC>(LoadEntry("glUniform3dv"));
|
|
glUniform4dv = reinterpret_cast<PFNGLUNIFORM4DVPROC>(LoadEntry("glUniform4dv"));
|
|
glUniformMatrix4dv = reinterpret_cast<PFNGLUNIFORMMATRIX4DVPROC>(LoadEntry("glUniformMatrix4dv"));
|
|
|
|
s_openGLextensions[OpenGLExtension_FP64] = true;
|
|
}
|
|
catch (const std::exception& e)
|
|
{
|
|
NazaraWarning("Failed to load ARB_gpu_shader_fp64: " + String(e.what()));
|
|
}
|
|
}
|
|
|
|
// GetProgramBinary
|
|
if (s_openglVersion >= 410 || IsSupported("GL_ARB_get_program_binary"))
|
|
{
|
|
try
|
|
{
|
|
glGetProgramBinary = reinterpret_cast<PFNGLGETPROGRAMBINARYPROC>(LoadEntry("glGetProgramBinary"));
|
|
glProgramBinary = reinterpret_cast<PFNGLPROGRAMBINARYPROC>(LoadEntry("glProgramBinary"));
|
|
glProgramParameteri = reinterpret_cast<PFNGLPROGRAMPARAMETERIPROC>(LoadEntry("glProgramParameteri"));
|
|
|
|
s_openGLextensions[OpenGLExtension_GetProgramBinary] = true;
|
|
}
|
|
catch (const std::exception& e)
|
|
{
|
|
NazaraWarning("Failed to load ARB_get_program_binary: (" + String(e.what()) + ")");
|
|
}
|
|
}
|
|
|
|
// SeparateShaderObjects
|
|
if (s_openglVersion >= 400 || IsSupported("GL_ARB_separate_shader_objects"))
|
|
{
|
|
try
|
|
{
|
|
glProgramUniform1f = reinterpret_cast<PFNGLPROGRAMUNIFORM1FPROC>(LoadEntry("glProgramUniform1f"));
|
|
glProgramUniform1i = reinterpret_cast<PFNGLPROGRAMUNIFORM1IPROC>(LoadEntry("glProgramUniform1i"));
|
|
glProgramUniform1fv = reinterpret_cast<PFNGLPROGRAMUNIFORM1FVPROC>(LoadEntry("glProgramUniform1fv"));
|
|
glProgramUniform1iv = reinterpret_cast<PFNGLPROGRAMUNIFORM1IVPROC>(LoadEntry("glProgramUniform1iv"));
|
|
glProgramUniform2fv = reinterpret_cast<PFNGLPROGRAMUNIFORM2FVPROC>(LoadEntry("glProgramUniform2fv"));
|
|
glProgramUniform2iv = reinterpret_cast<PFNGLPROGRAMUNIFORM2IVPROC>(LoadEntry("glProgramUniform2iv"));
|
|
glProgramUniform3fv = reinterpret_cast<PFNGLPROGRAMUNIFORM3FVPROC>(LoadEntry("glProgramUniform3fv"));
|
|
glProgramUniform3iv = reinterpret_cast<PFNGLPROGRAMUNIFORM3IVPROC>(LoadEntry("glProgramUniform3iv"));
|
|
glProgramUniform4fv = reinterpret_cast<PFNGLPROGRAMUNIFORM4FVPROC>(LoadEntry("glProgramUniform4fv"));
|
|
glProgramUniform4iv = reinterpret_cast<PFNGLPROGRAMUNIFORM4IVPROC>(LoadEntry("glProgramUniform4iv"));
|
|
glProgramUniformMatrix4fv = reinterpret_cast<PFNGLPROGRAMUNIFORMMATRIX4FVPROC>(LoadEntry("glProgramUniformMatrix4fv"));
|
|
|
|
// Si ARB_gpu_shader_fp64 est supporté, alors cette extension donne également accès aux fonctions utilisant des double
|
|
if (s_openGLextensions[OpenGLExtension_FP64])
|
|
{
|
|
glProgramUniform1d = reinterpret_cast<PFNGLPROGRAMUNIFORM1DPROC>(LoadEntry("glProgramUniform1d"));
|
|
glProgramUniform1dv = reinterpret_cast<PFNGLPROGRAMUNIFORM2DVPROC>(LoadEntry("glProgramUniform1dv"));
|
|
glProgramUniform2dv = reinterpret_cast<PFNGLPROGRAMUNIFORM2DVPROC>(LoadEntry("glProgramUniform2dv"));
|
|
glProgramUniform3dv = reinterpret_cast<PFNGLPROGRAMUNIFORM3DVPROC>(LoadEntry("glProgramUniform3dv"));
|
|
glProgramUniform4dv = reinterpret_cast<PFNGLPROGRAMUNIFORM4DVPROC>(LoadEntry("glProgramUniform4dv"));
|
|
glProgramUniformMatrix4dv = reinterpret_cast<PFNGLPROGRAMUNIFORMMATRIX4DVPROC>(LoadEntry("glProgramUniformMatrix4dv"));
|
|
}
|
|
|
|
s_openGLextensions[OpenGLExtension_SeparateShaderObjects] = true;
|
|
}
|
|
catch (const std::exception& e)
|
|
{
|
|
NazaraWarning("Failed to load ARB_separate_shader_objects: (" + String(e.what()) + ")");
|
|
}
|
|
}
|
|
|
|
// Seamless Cubemap Filtering
|
|
s_openGLextensions[OpenGLExtension_SeamlessCubeMap] = (s_openglVersion >= 320 || IsSupported("GL_ARB_seamless_cube_map"));
|
|
|
|
// Shader_ImageLoadStore
|
|
s_openGLextensions[OpenGLExtension_Shader_ImageLoadStore] = (s_openglVersion >= 420 || IsSupported("GL_ARB_shader_image_load_store"));
|
|
|
|
// TextureCompression_s3tc
|
|
s_openGLextensions[OpenGLExtension_TextureCompression_s3tc] = IsSupported("GL_EXT_texture_compression_s3tc");
|
|
|
|
// TextureStorage
|
|
if (s_openglVersion >= 420 || IsSupported("GL_ARB_texture_storage"))
|
|
{
|
|
try
|
|
{
|
|
glTexStorage1D = reinterpret_cast<PFNGLTEXSTORAGE1DPROC>(LoadEntry("glTexStorage1D"));
|
|
glTexStorage2D = reinterpret_cast<PFNGLTEXSTORAGE2DPROC>(LoadEntry("glTexStorage2D"));
|
|
glTexStorage3D = reinterpret_cast<PFNGLTEXSTORAGE3DPROC>(LoadEntry("glTexStorage3D"));
|
|
|
|
s_openGLextensions[OpenGLExtension_TextureStorage] = true;
|
|
}
|
|
catch (const std::exception& e)
|
|
{
|
|
NazaraWarning("Failed to load ARB_texture_storage: " + String(e.what()));
|
|
}
|
|
}
|
|
|
|
/******************************Initialisation*****************************/
|
|
|
|
s_contextStates = nullptr;
|
|
s_rendererName = reinterpret_cast<const char*>(glGetString(GL_RENDERER));
|
|
s_vendorName = reinterpret_cast<const char*>(glGetString(GL_VENDOR));
|
|
|
|
// On initialise les vrais contextes OpenGL
|
|
if (!Context::Initialize())
|
|
{
|
|
NazaraError("Failed to initialize contexts");
|
|
return false;
|
|
}
|
|
|
|
// Le contexte OpenGL n'est plus assuré à partir d'ici
|
|
onExit.Reset();
|
|
|
|
return true;
|
|
}
|
|
|
|
bool OpenGL::IsInitialized()
|
|
{
|
|
return s_initialized;
|
|
}
|
|
|
|
bool OpenGL::IsSupported(OpenGLExtension extension)
|
|
{
|
|
return s_openGLextensions[extension];
|
|
}
|
|
|
|
bool OpenGL::IsSupported(const String& string)
|
|
{
|
|
#ifdef NAZARA_PLATFORM_SDL2
|
|
return SDL_GL_ExtensionSupported(string.GetConstBuffer());
|
|
#else
|
|
return s_openGLextensionSet.find(string) != s_openGLextensionSet.end();
|
|
#endif
|
|
}
|
|
|
|
void OpenGL::SetBuffer(BufferType type, GLuint id)
|
|
{
|
|
#ifdef NAZARA_DEBUG
|
|
if (!s_contextStates)
|
|
{
|
|
NazaraError("No context activated");
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
s_contextStates->buffersBinding[type] = id;
|
|
}
|
|
|
|
void OpenGL::SetScissorBox(const Recti& scissorBox)
|
|
{
|
|
#ifdef NAZARA_DEBUG
|
|
if (!s_contextStates)
|
|
{
|
|
NazaraError("No context activated");
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
s_contextStates->currentScissorBox = scissorBox;
|
|
}
|
|
|
|
void OpenGL::SetProgram(GLuint id)
|
|
{
|
|
#ifdef NAZARA_DEBUG
|
|
if (!s_contextStates)
|
|
{
|
|
NazaraError("No context activated");
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
s_contextStates->currentProgram = id;
|
|
}
|
|
|
|
void OpenGL::SetTarget(const RenderTarget* renderTarget)
|
|
{
|
|
#ifdef NAZARA_DEBUG
|
|
if (!s_contextStates)
|
|
{
|
|
NazaraError("No context activated");
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
s_contextStates->currentTarget = renderTarget;
|
|
if (renderTarget)
|
|
{
|
|
if (!s_contextStates->scissorBoxUpdated)
|
|
{
|
|
const Recti& scissorBox = s_contextStates->currentViewport;
|
|
|
|
unsigned int height = s_contextStates->currentTarget->GetSize().y;
|
|
glScissor(scissorBox.x, height - scissorBox.height - scissorBox.y, scissorBox.width, scissorBox.height);
|
|
|
|
s_contextStates->scissorBoxUpdated = true;
|
|
}
|
|
|
|
if (!s_contextStates->viewportUpdated)
|
|
{
|
|
const Recti& viewport = s_contextStates->currentViewport;
|
|
|
|
unsigned int height = s_contextStates->currentTarget->GetSize().y;
|
|
glViewport(viewport.x, height - viewport.height - viewport.y, viewport.width, viewport.height);
|
|
|
|
s_contextStates->viewportUpdated = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
void OpenGL::SetTexture(GLuint id)
|
|
{
|
|
#ifdef NAZARA_DEBUG
|
|
if (!s_contextStates)
|
|
{
|
|
NazaraError("No context activated");
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
s_contextStates->texturesBinding[s_contextStates->textureUnit] = id;
|
|
}
|
|
|
|
void OpenGL::SetTexture(unsigned int textureUnit, GLuint id)
|
|
{
|
|
#ifdef NAZARA_DEBUG
|
|
if (!s_contextStates)
|
|
{
|
|
NazaraError("No context activated");
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
s_contextStates->texturesBinding[textureUnit] = id;
|
|
}
|
|
|
|
void OpenGL::SetTextureUnit(unsigned int textureUnit)
|
|
{
|
|
#ifdef NAZARA_DEBUG
|
|
if (!s_contextStates)
|
|
{
|
|
NazaraError("No context activated");
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
s_contextStates->textureUnit = textureUnit;
|
|
}
|
|
|
|
void OpenGL::SetViewport(const Recti& viewport)
|
|
{
|
|
#ifdef NAZARA_DEBUG
|
|
if (!s_contextStates)
|
|
{
|
|
NazaraError("No context activated");
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
s_contextStates->currentViewport = viewport;
|
|
}
|
|
|
|
bool OpenGL::TranslateFormat(PixelFormatType pixelFormat, Format* format, FormatType type)
|
|
{
|
|
// Par défaut
|
|
format->swizzle[0] = GL_RED;
|
|
format->swizzle[1] = GL_GREEN;
|
|
format->swizzle[2] = GL_BLUE;
|
|
format->swizzle[3] = GL_ALPHA;
|
|
|
|
switch (pixelFormat)
|
|
{
|
|
case PixelFormatType_A8:
|
|
if (type == FormatType_Texture) // Format supporté uniquement par les textures
|
|
{
|
|
if (GetVersion() >= 300)
|
|
{
|
|
format->dataFormat = GL_RED;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_R8;
|
|
|
|
// Simulation du format
|
|
format->swizzle[0] = GL_ONE;
|
|
format->swizzle[1] = GL_ONE;
|
|
format->swizzle[2] = GL_ONE;
|
|
format->swizzle[3] = GL_RED;
|
|
}
|
|
else
|
|
{
|
|
// Le bon vieux format GL_ALPHA
|
|
format->dataFormat = GL_ALPHA;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_ALPHA;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
else
|
|
return false;
|
|
|
|
case PixelFormatType_BGR8:
|
|
format->dataFormat = GL_BGR;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_RGB8;
|
|
return true;
|
|
|
|
case PixelFormatType_BGRA8:
|
|
format->dataFormat = GL_BGRA;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_RGBA8;
|
|
return true;
|
|
|
|
case PixelFormatType_DXT1:
|
|
format->dataFormat = GL_RGB;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
|
|
return true;
|
|
|
|
case PixelFormatType_DXT3:
|
|
format->dataFormat = GL_RGBA;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
|
|
return true;
|
|
|
|
case PixelFormatType_DXT5:
|
|
format->dataFormat = GL_RGBA;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
|
|
return true;
|
|
|
|
case PixelFormatType_L8:
|
|
if (type == FormatType_Texture) // Format supporté uniquement par les textures
|
|
{
|
|
if (GetVersion() >= 300)
|
|
{
|
|
format->dataFormat = GL_RED;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_R8;
|
|
|
|
// Simulation du format
|
|
format->swizzle[0] = GL_RED;
|
|
format->swizzle[1] = GL_RED;
|
|
format->swizzle[2] = GL_RED;
|
|
format->swizzle[3] = GL_ONE;
|
|
}
|
|
else
|
|
{
|
|
format->dataFormat = 0x1909; // GL_LUMINANCE
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = 0x1909; // GL_LUMINANCE
|
|
}
|
|
|
|
return true;
|
|
}
|
|
else
|
|
return false;
|
|
|
|
case PixelFormatType_LA8:
|
|
if (type == FormatType_Texture) // Format supporté uniquement par les textures
|
|
{
|
|
if (GetVersion() >= 300)
|
|
{
|
|
format->dataFormat = GL_RG;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_RG8;
|
|
|
|
// Simulation du format
|
|
format->swizzle[0] = GL_RED;
|
|
format->swizzle[1] = GL_RED;
|
|
format->swizzle[2] = GL_RED;
|
|
format->swizzle[3] = GL_GREEN;
|
|
}
|
|
else
|
|
{
|
|
format->dataFormat = 0x190A; // GL_LUMINANCE_ALPHA
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = 0x190A; // GL_LUMINANCE_ALPHA;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
else
|
|
return false;
|
|
|
|
case PixelFormatType_R8:
|
|
format->dataFormat = GL_RED;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_R8;
|
|
return true;
|
|
|
|
case PixelFormatType_R8I:
|
|
format->dataFormat = GL_RED;
|
|
format->dataType = GL_BYTE;
|
|
format->internalFormat = GL_R8I;
|
|
return true;
|
|
|
|
case PixelFormatType_R8UI:
|
|
format->dataFormat = GL_RED;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_R8UI;
|
|
return true;
|
|
|
|
case PixelFormatType_R16:
|
|
format->dataFormat = GL_RED;
|
|
format->dataType = GL_UNSIGNED_SHORT;
|
|
format->internalFormat = GL_R16;
|
|
return true;
|
|
|
|
case PixelFormatType_R16F:
|
|
format->dataFormat = GL_RED;
|
|
format->dataType = GL_HALF_FLOAT;
|
|
format->internalFormat = GL_R16F;
|
|
return true;
|
|
|
|
case PixelFormatType_R16I:
|
|
format->dataFormat = GL_RED;
|
|
format->dataType = GL_SHORT;
|
|
format->internalFormat = GL_R16I;
|
|
return true;
|
|
|
|
case PixelFormatType_R16UI:
|
|
format->dataFormat = GL_RED;
|
|
format->dataType = GL_UNSIGNED_SHORT;
|
|
format->internalFormat = GL_R16UI;
|
|
return true;
|
|
|
|
case PixelFormatType_R32F:
|
|
format->dataFormat = GL_RED;
|
|
format->dataType = GL_FLOAT;
|
|
format->internalFormat = GL_R32F;
|
|
return true;
|
|
|
|
case PixelFormatType_R32I:
|
|
format->dataFormat = GL_RED;
|
|
format->dataType = GL_INT;
|
|
format->internalFormat = GL_R32I;
|
|
return true;
|
|
|
|
case PixelFormatType_R32UI:
|
|
format->dataFormat = GL_RED;
|
|
format->dataType = GL_UNSIGNED_INT;
|
|
format->internalFormat = GL_R32UI;
|
|
return true;
|
|
|
|
case PixelFormatType_RG8:
|
|
format->dataFormat = GL_RG;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_RG8;
|
|
return true;
|
|
|
|
case PixelFormatType_RG8I:
|
|
format->dataFormat = GL_RG;
|
|
format->dataType = GL_BYTE;
|
|
format->internalFormat = GL_RG8I;
|
|
return true;
|
|
|
|
case PixelFormatType_RG8UI:
|
|
format->dataFormat = GL_RG;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_RG8UI;
|
|
return true;
|
|
|
|
case PixelFormatType_RG16:
|
|
format->dataFormat = GL_RG;
|
|
format->dataType = GL_UNSIGNED_SHORT;
|
|
format->internalFormat = GL_RG16;
|
|
return true;
|
|
|
|
case PixelFormatType_RG16F:
|
|
format->dataFormat = GL_RG;
|
|
format->dataType = GL_HALF_FLOAT;
|
|
format->internalFormat = GL_RG16F;
|
|
return true;
|
|
|
|
case PixelFormatType_RG16I:
|
|
format->dataFormat = GL_RG;
|
|
format->dataType = GL_SHORT;
|
|
format->internalFormat = GL_RG16I;
|
|
return true;
|
|
|
|
case PixelFormatType_RG16UI:
|
|
format->dataFormat = GL_RG;
|
|
format->dataType = GL_UNSIGNED_SHORT;
|
|
format->internalFormat = GL_RG16UI;
|
|
return true;
|
|
|
|
case PixelFormatType_RG32F:
|
|
format->dataFormat = GL_RG;
|
|
format->dataType = GL_FLOAT;
|
|
format->internalFormat = GL_RG32F;
|
|
return true;
|
|
|
|
case PixelFormatType_RG32I:
|
|
format->dataFormat = GL_RG;
|
|
format->dataType = GL_INT;
|
|
format->internalFormat = GL_RG32I;
|
|
return true;
|
|
|
|
case PixelFormatType_RG32UI:
|
|
format->dataFormat = GL_RG;
|
|
format->dataType = GL_UNSIGNED_INT;
|
|
format->internalFormat = GL_RG32UI;
|
|
return true;
|
|
|
|
case PixelFormatType_RGB5A1:
|
|
format->dataFormat = GL_RGBA;
|
|
format->dataType = GL_UNSIGNED_SHORT_5_5_5_1;
|
|
format->internalFormat = GL_RGB5_A1;
|
|
return true;
|
|
|
|
case PixelFormatType_RGB8:
|
|
format->dataFormat = GL_RGB;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_RGB8;
|
|
return true;
|
|
|
|
case PixelFormatType_RGB16F:
|
|
format->dataFormat = GL_RGB;
|
|
format->dataType = GL_HALF_FLOAT;
|
|
format->internalFormat = GL_RGB16F;
|
|
return true;
|
|
|
|
case PixelFormatType_RGB16I:
|
|
format->dataFormat = GL_RGB;
|
|
format->dataType = GL_SHORT;
|
|
format->internalFormat = GL_RGB16I;
|
|
return true;
|
|
|
|
case PixelFormatType_RGB16UI:
|
|
format->dataFormat = GL_RGB;
|
|
format->dataType = GL_UNSIGNED_SHORT;
|
|
format->internalFormat = GL_RGB16UI;
|
|
return true;
|
|
|
|
case PixelFormatType_RGB32F:
|
|
format->dataFormat = GL_RGB;
|
|
format->dataType = GL_FLOAT;
|
|
format->internalFormat = GL_RGB32F;
|
|
return true;
|
|
|
|
case PixelFormatType_RGB32I:
|
|
format->dataFormat = GL_RGB;
|
|
format->dataType = GL_INT;
|
|
format->internalFormat = GL_RGB32I;
|
|
return true;
|
|
|
|
case PixelFormatType_RGB32UI:
|
|
format->dataFormat = GL_RGB;
|
|
format->dataType = GL_UNSIGNED_INT;
|
|
format->internalFormat = GL_RGB32UI;
|
|
return true;
|
|
|
|
case PixelFormatType_RGBA4:
|
|
format->dataFormat = GL_RGBA;
|
|
format->dataType = GL_UNSIGNED_SHORT_4_4_4_4;
|
|
format->internalFormat = GL_RGBA4;
|
|
return true;
|
|
|
|
case PixelFormatType_RGBA8:
|
|
format->dataFormat = GL_RGBA;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_RGBA8;
|
|
return true;
|
|
|
|
case PixelFormatType_RGBA16F:
|
|
format->dataFormat = GL_RGBA;
|
|
format->dataType = GL_HALF_FLOAT;
|
|
format->internalFormat = GL_RGBA16F;
|
|
return true;
|
|
|
|
case PixelFormatType_RGBA16I:
|
|
format->dataFormat = GL_RGBA;
|
|
format->dataType = GL_SHORT;
|
|
format->internalFormat = GL_RGBA16I;
|
|
return true;
|
|
|
|
case PixelFormatType_RGBA16UI:
|
|
format->dataFormat = GL_RGBA;
|
|
format->dataType = GL_INT;
|
|
format->internalFormat = GL_RGBA16UI;
|
|
return true;
|
|
|
|
case PixelFormatType_RGBA32F:
|
|
format->dataFormat = GL_RGBA;
|
|
format->dataType = GL_FLOAT;
|
|
format->internalFormat = GL_RGBA32F;
|
|
return true;
|
|
|
|
case PixelFormatType_RGBA32I:
|
|
format->dataFormat = GL_RGB;
|
|
format->dataType = GL_INT;
|
|
format->internalFormat = GL_RGB32I;
|
|
return true;
|
|
|
|
case PixelFormatType_RGBA32UI:
|
|
format->dataFormat = GL_RGB;
|
|
format->dataType = GL_UNSIGNED_INT;
|
|
format->internalFormat = GL_RGB32UI;
|
|
return true;
|
|
|
|
case PixelFormatType_Depth16:
|
|
format->dataFormat = GL_DEPTH_COMPONENT;
|
|
format->dataType = GL_UNSIGNED_SHORT;
|
|
format->internalFormat = GL_DEPTH_COMPONENT16;
|
|
|
|
format->swizzle[0] = GL_RED;
|
|
format->swizzle[1] = GL_RED;
|
|
format->swizzle[2] = GL_RED;
|
|
format->swizzle[3] = GL_ONE;
|
|
return true;
|
|
|
|
case PixelFormatType_Depth24:
|
|
format->dataFormat = GL_DEPTH_COMPONENT;
|
|
format->dataType = GL_UNSIGNED_INT;
|
|
format->internalFormat = GL_DEPTH_COMPONENT24;
|
|
|
|
format->swizzle[0] = GL_RED;
|
|
format->swizzle[1] = GL_RED;
|
|
format->swizzle[2] = GL_RED;
|
|
format->swizzle[3] = GL_ONE;
|
|
return true;
|
|
|
|
case PixelFormatType_Depth24Stencil8:
|
|
format->dataFormat = GL_DEPTH_STENCIL;
|
|
format->dataType = GL_UNSIGNED_INT_24_8;
|
|
format->internalFormat = GL_DEPTH24_STENCIL8;
|
|
|
|
format->swizzle[0] = GL_RED;
|
|
format->swizzle[1] = GL_RED;
|
|
format->swizzle[2] = GL_RED;
|
|
format->swizzle[3] = GL_GREEN;
|
|
return true;
|
|
|
|
case PixelFormatType_Depth32:
|
|
format->dataFormat = GL_DEPTH_COMPONENT;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_DEPTH_COMPONENT32;
|
|
|
|
format->swizzle[0] = GL_RED;
|
|
format->swizzle[1] = GL_RED;
|
|
format->swizzle[2] = GL_RED;
|
|
format->swizzle[3] = GL_ONE;
|
|
return true;
|
|
|
|
case PixelFormatType_Stencil1:
|
|
if (type == FormatType_Texture) // Les formats de stencil ne sont pas supportés par les textures
|
|
return false;
|
|
else
|
|
{
|
|
format->dataFormat = GL_NONE;
|
|
format->dataType = GL_NONE;
|
|
format->internalFormat = GL_STENCIL_INDEX1;
|
|
return true;
|
|
}
|
|
|
|
case PixelFormatType_Stencil4:
|
|
if (type == FormatType_Texture)
|
|
return false;
|
|
else
|
|
{
|
|
format->dataFormat = GL_NONE;
|
|
format->dataType = GL_NONE;
|
|
format->internalFormat = GL_STENCIL_INDEX4;
|
|
return true;
|
|
}
|
|
|
|
case PixelFormatType_Stencil8:
|
|
if (type == FormatType_Texture)
|
|
return false;
|
|
else
|
|
{
|
|
format->dataFormat = GL_NONE;
|
|
format->dataType = GL_NONE;
|
|
format->internalFormat = GL_STENCIL_INDEX8;
|
|
return true;
|
|
}
|
|
|
|
case PixelFormatType_Stencil16:
|
|
if (type == FormatType_Texture)
|
|
return false;
|
|
else
|
|
{
|
|
format->dataFormat = GL_NONE;
|
|
format->dataType = GL_NONE;
|
|
format->internalFormat = GL_STENCIL_INDEX16;
|
|
return true;
|
|
}
|
|
|
|
case PixelFormatType_Undefined:
|
|
break;
|
|
}
|
|
|
|
NazaraError("Invalid pixel format");
|
|
return false;
|
|
}
|
|
|
|
void OpenGL::Uninitialize()
|
|
{
|
|
if (s_initialized)
|
|
{
|
|
s_initialized = false;
|
|
|
|
Context::Uninitialize();
|
|
|
|
for (bool& ext : s_openGLextensions)
|
|
ext = false;
|
|
|
|
s_glslVersion = 0;
|
|
s_openGLextensionSet.clear();
|
|
s_openglVersion = 0;
|
|
s_rendererName.Clear(false);
|
|
s_vendorName.Clear(false);
|
|
|
|
UnloadLibrary();
|
|
}
|
|
}
|
|
|
|
void OpenGL::OnContextChanged(const Context* newContext)
|
|
{
|
|
s_contextStates = (newContext) ? &s_contexts[newContext] : nullptr;
|
|
if (s_contextStates)
|
|
{
|
|
// On supprime les éventuelles ressources mortes-vivantes (Qui ne peuvent être libérées que dans notre contexte)
|
|
for (std::pair<GarbageResourceType, GLuint>& pair : s_contextStates->garbage)
|
|
{
|
|
switch (pair.first)
|
|
{
|
|
case GarbageResourceType_FrameBuffer:
|
|
glDeleteFramebuffers(1, &pair.second);
|
|
break;
|
|
|
|
case GarbageResourceType_VertexArray:
|
|
glDeleteVertexArrays(1, &pair.second);
|
|
break;
|
|
}
|
|
}
|
|
s_contextStates->garbage.clear();
|
|
}
|
|
}
|
|
|
|
void OpenGL::OnContextDestruction(const Context* context)
|
|
{
|
|
/*
|
|
** Il serait possible d'activer le contexte avant sa destruction afin de libérer les éventuelles ressources mortes-vivantes,
|
|
** mais un driver bien conçu va libérer ces ressources de lui-même.
|
|
*/
|
|
s_contexts.erase(context);
|
|
}
|
|
|
|
GLenum OpenGL::Attachment[] =
|
|
{
|
|
GL_COLOR_ATTACHMENT0, // AttachmentPoint_Color
|
|
GL_DEPTH_ATTACHMENT, // AttachmentPoint_Depth
|
|
GL_DEPTH_STENCIL_ATTACHMENT, // AttachmentPoint_DepthStencil
|
|
GL_STENCIL_ATTACHMENT // AttachmentPoint_Stencil
|
|
};
|
|
|
|
static_assert(AttachmentPoint_Max + 1 == 4, "Attachment array is incomplete");
|
|
|
|
GLenum OpenGL::BlendFunc[] =
|
|
{
|
|
GL_DST_ALPHA, // BlendFunc_DestAlpha
|
|
GL_DST_COLOR, // BlendFunc_DestColor
|
|
GL_SRC_ALPHA, // BlendFunc_SrcAlpha
|
|
GL_SRC_COLOR, // BlendFunc_SrcColor
|
|
GL_ONE_MINUS_DST_ALPHA, // BlendFunc_InvDestAlpha
|
|
GL_ONE_MINUS_DST_COLOR, // BlendFunc_InvDestColor
|
|
GL_ONE_MINUS_SRC_ALPHA, // BlendFunc_InvSrcAlpha
|
|
GL_ONE_MINUS_SRC_COLOR, // BlendFunc_InvSrcColor
|
|
GL_ONE, // BlendFunc_One
|
|
GL_ZERO // BlendFunc_Zero
|
|
};
|
|
|
|
static_assert(BlendFunc_Max + 1 == 10, "Blend func array is incomplete");
|
|
|
|
GLenum OpenGL::BufferLock[] =
|
|
{
|
|
GL_WRITE_ONLY, // BufferAccess_DiscardAndWrite
|
|
GL_READ_ONLY, // BufferAccess_ReadOnly
|
|
GL_READ_WRITE, // BufferAccess_ReadWrite
|
|
GL_WRITE_ONLY // BufferAccess_WriteOnly
|
|
};
|
|
|
|
static_assert(BufferAccess_Max + 1 == 4, "Buffer lock array is incomplete");
|
|
|
|
GLenum OpenGL::BufferLockRange[] =
|
|
{
|
|
// http://www.opengl.org/discussion_boards/showthread.php/170118-VBOs-strangely-slow?p=1198118#post1198118
|
|
GL_MAP_INVALIDATE_BUFFER_BIT | GL_MAP_INVALIDATE_RANGE_BIT | GL_MAP_WRITE_BIT, // BufferAccess_DiscardAndWrite
|
|
GL_MAP_READ_BIT, // BufferAccess_ReadOnly
|
|
GL_MAP_READ_BIT | GL_MAP_WRITE_BIT, // BufferAccess_ReadWrite
|
|
GL_MAP_WRITE_BIT // BufferAccess_WriteOnly
|
|
};
|
|
|
|
static_assert(BufferAccess_Max + 1 == 4, "Buffer lock range array is incomplete");
|
|
|
|
GLenum OpenGL::BufferTarget[] =
|
|
{
|
|
GL_ELEMENT_ARRAY_BUFFER, // BufferType_Index,
|
|
GL_ARRAY_BUFFER, // BufferType_Vertex
|
|
};
|
|
|
|
static_assert(BufferType_Max + 1 == 2, "Buffer target array is incomplete");
|
|
|
|
GLenum OpenGL::BufferTargetBinding[] =
|
|
{
|
|
GL_ELEMENT_ARRAY_BUFFER_BINDING, // BufferType_Index,
|
|
GL_ARRAY_BUFFER_BINDING, // BufferType_Vertex
|
|
};
|
|
|
|
static_assert(BufferType_Max + 1 == 2, "Buffer target binding array is incomplete");
|
|
|
|
GLenum OpenGL::ComponentType[] =
|
|
{
|
|
GL_UNSIGNED_BYTE, // ComponentType_Color
|
|
GL_DOUBLE, // ComponentType_Double1
|
|
GL_DOUBLE, // ComponentType_Double2
|
|
GL_DOUBLE, // ComponentType_Double3
|
|
GL_DOUBLE, // ComponentType_Double4
|
|
GL_FLOAT, // ComponentType_Float1
|
|
GL_FLOAT, // ComponentType_Float2
|
|
GL_FLOAT, // ComponentType_Float3
|
|
GL_FLOAT, // ComponentType_Float4
|
|
GL_INT, // ComponentType_Int1
|
|
GL_INT, // ComponentType_Int2
|
|
GL_INT, // ComponentType_Int3
|
|
GL_INT, // ComponentType_Int4
|
|
GL_FLOAT // ComponentType_Quaternion
|
|
};
|
|
|
|
static_assert(ComponentType_Max + 1 == 14, "Attribute type array is incomplete");
|
|
|
|
GLenum OpenGL::CubemapFace[] =
|
|
{
|
|
GL_TEXTURE_CUBE_MAP_POSITIVE_X, // CubemapFace_PositiveX
|
|
GL_TEXTURE_CUBE_MAP_NEGATIVE_X, // CubemapFace_NegativeX
|
|
GL_TEXTURE_CUBE_MAP_POSITIVE_Y, // CubemapFace_PositiveY
|
|
GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, // CubemapFace_NegativeY
|
|
GL_TEXTURE_CUBE_MAP_POSITIVE_Z, // CubemapFace_PositiveZ
|
|
GL_TEXTURE_CUBE_MAP_NEGATIVE_Z // CubemapFace_NegativeZ
|
|
};
|
|
|
|
static_assert(CubemapFace_Max + 1 == 6, "Cubemap face array is incomplete");
|
|
|
|
GLenum OpenGL::FaceFilling[] =
|
|
{
|
|
GL_FILL, // FaceFilling_Fill
|
|
GL_LINE, // FaceFilling_Line
|
|
GL_POINT // FaceFilling_Point
|
|
};
|
|
|
|
static_assert(FaceFilling_Max + 1 == 3, "Face filling array is incomplete");
|
|
|
|
GLenum OpenGL::FaceSide[] =
|
|
{
|
|
GL_BACK, // FaceSide_Back
|
|
GL_FRONT, // FaceSide_Front
|
|
GL_FRONT_AND_BACK // FaceSide_FrontAndBack
|
|
};
|
|
|
|
static_assert(FaceSide_Max + 1 == 3, "Face side array is incomplete");
|
|
|
|
GLenum OpenGL::PrimitiveMode[] =
|
|
{
|
|
GL_LINES, // PrimitiveMode_LineList
|
|
GL_LINE_STRIP, // PrimitiveMode_LineStrip
|
|
GL_POINTS, // PrimitiveMode_PointList
|
|
GL_TRIANGLES, // PrimitiveMode_TriangleList
|
|
GL_TRIANGLE_STRIP, // PrimitiveMode_TriangleStrip
|
|
GL_TRIANGLE_FAN // PrimitiveMode_TriangleFan
|
|
};
|
|
|
|
static_assert(PrimitiveMode_Max + 1 == 6, "Primitive mode array is incomplete");
|
|
|
|
GLenum OpenGL::QueryCondition[] =
|
|
{
|
|
GL_QUERY_WAIT, // GpuQueryCondition_NoWait
|
|
GL_QUERY_BY_REGION_NO_WAIT, // GpuQueryCondition_Region_NoWait
|
|
GL_QUERY_BY_REGION_WAIT, // GpuQueryCondition_Region_Wait
|
|
GL_QUERY_WAIT // GpuQueryCondition_Wait
|
|
};
|
|
|
|
static_assert(GpuQueryCondition_Max + 1 == 4, "Query condition array is incomplete");
|
|
|
|
GLenum OpenGL::QueryMode[] =
|
|
{
|
|
GL_ANY_SAMPLES_PASSED, // GpuQueryMode_AnySamplesPassed
|
|
GL_ANY_SAMPLES_PASSED_CONSERVATIVE, // GpuQueryMode_AnySamplesPassedConservative
|
|
GL_PRIMITIVES_GENERATED, // GpuQueryMode_PrimitiveGenerated
|
|
GL_SAMPLES_PASSED, // GpuQueryMode_SamplesPassed
|
|
GL_TIME_ELAPSED, // GpuQueryMode_TimeElapsed
|
|
GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN // GpuQueryMode_TransformFeedbackPrimitivesWritten
|
|
};
|
|
|
|
static_assert(GpuQueryMode_Max + 1 == 6, "Query mode array is incomplete");
|
|
|
|
GLenum OpenGL::RendererComparison[] =
|
|
{
|
|
GL_ALWAYS, // RendererComparison_Always
|
|
GL_EQUAL, // RendererComparison_Equal
|
|
GL_GREATER, // RendererComparison_Greater
|
|
GL_GEQUAL, // RendererComparison_GreaterOrEqual
|
|
GL_LESS, // RendererComparison_Less
|
|
GL_LEQUAL, // RendererComparison_LessOrEqual
|
|
GL_NEVER, // RendererComparison_Never
|
|
GL_NOTEQUAL // RendererComparison_NotEqual
|
|
};
|
|
|
|
static_assert(RendererComparison_Max + 1 == 8, "Renderer comparison array is incomplete");
|
|
|
|
GLenum OpenGL::RendererParameter[] =
|
|
{
|
|
GL_BLEND, // RendererParameter_Blend
|
|
GL_NONE, // RendererParameter_ColorWrite
|
|
GL_DEPTH_TEST, // RendererParameter_DepthBuffer
|
|
GL_NONE, // RendererParameter_DepthWrite
|
|
GL_CULL_FACE, // RendererParameter_FaceCulling
|
|
GL_SCISSOR_TEST, // RendererParameter_ScissorTest
|
|
GL_STENCIL_TEST // RendererParameter_StencilTest
|
|
};
|
|
|
|
static_assert(RendererParameter_Max + 1 == 7, "Renderer parameter array is incomplete");
|
|
|
|
GLenum OpenGL::SamplerWrapMode[] =
|
|
{
|
|
GL_CLAMP_TO_EDGE, // TextureWrap_Clamp
|
|
GL_MIRRORED_REPEAT, // SamplerWrap_MirroredRepeat
|
|
GL_REPEAT // TextureWrap_Repeat
|
|
};
|
|
|
|
static_assert(SamplerWrap_Max + 1 == 3, "Sampler wrap mode array is incomplete");
|
|
|
|
GLenum OpenGL::ShaderStage[] =
|
|
{
|
|
GL_FRAGMENT_SHADER, // ShaderStage_Fragment
|
|
GL_GEOMETRY_SHADER, // ShaderStage_Geometry
|
|
GL_VERTEX_SHADER // ShaderStage_Vertex
|
|
};
|
|
|
|
static_assert(ShaderStageType_Max + 1 == 3, "Shader stage array is incomplete");
|
|
|
|
GLenum OpenGL::StencilOperation[] =
|
|
{
|
|
GL_DECR, // StencilOperation_Decrement
|
|
GL_DECR_WRAP, // StencilOperation_DecrementNoClamp
|
|
GL_INCR, // StencilOperation_Increment
|
|
GL_INCR_WRAP, // StencilOperation_IncrementNoClamp
|
|
GL_INVERT, // StencilOperation_Invert
|
|
GL_KEEP, // StencilOperation_Keep
|
|
GL_REPLACE, // StencilOperation_Replace
|
|
GL_ZERO // StencilOperation_Zero
|
|
};
|
|
|
|
static_assert(StencilOperation_Max + 1 == 8, "Stencil operation array is incomplete");
|
|
|
|
GLenum OpenGL::TextureTarget[] =
|
|
{
|
|
GL_TEXTURE_1D, // ImageType_1D
|
|
GL_TEXTURE_1D_ARRAY, // ImageType_1D_Array
|
|
GL_TEXTURE_2D, // ImageType_2D
|
|
GL_TEXTURE_2D_ARRAY, // ImageType_2D_Array
|
|
GL_TEXTURE_3D, // ImageType_3D
|
|
GL_TEXTURE_CUBE_MAP // ImageType_Cubemap
|
|
};
|
|
|
|
static_assert(ImageType_Max + 1 == 6, "Texture target array is incomplete");
|
|
|
|
GLenum OpenGL::TextureTargetBinding[] =
|
|
{
|
|
GL_TEXTURE_BINDING_1D, // ImageType_1D
|
|
GL_TEXTURE_BINDING_1D_ARRAY, // ImageType_1D_Array
|
|
GL_TEXTURE_BINDING_2D, // ImageType_2D
|
|
GL_TEXTURE_BINDING_2D_ARRAY, // ImageType_2D_Array
|
|
GL_TEXTURE_BINDING_3D, // ImageType_3D
|
|
GL_TEXTURE_BINDING_CUBE_MAP // ImageType_Cubemap
|
|
};
|
|
|
|
static_assert(ImageType_Max + 1 == 6, "Texture target binding array is incomplete");
|
|
|
|
GLenum OpenGL::TextureTargetProxy[] =
|
|
{
|
|
GL_PROXY_TEXTURE_1D, // ImageType_1D
|
|
GL_PROXY_TEXTURE_1D_ARRAY, // ImageType_1D_Array
|
|
GL_PROXY_TEXTURE_2D, // ImageType_2D
|
|
GL_PROXY_TEXTURE_2D_ARRAY, // ImageType_2D_Array
|
|
GL_PROXY_TEXTURE_3D, // ImageType_3D
|
|
GL_PROXY_TEXTURE_CUBE_MAP // ImageType_Cubemap
|
|
};
|
|
|
|
static_assert(ImageType_Max + 1 == 6, "Texture target proxy array is incomplete");
|
|
|
|
UInt8 OpenGL::VertexComponentIndex[] =
|
|
{
|
|
10, // VertexComponent_InstanceData0
|
|
11, // VertexComponent_InstanceData1
|
|
12, // VertexComponent_InstanceData2
|
|
13, // VertexComponent_InstanceData3
|
|
14, // VertexComponent_InstanceData4
|
|
15, // VertexComponent_InstanceData5
|
|
4, // VertexComponent_Color
|
|
2, // VertexComponent_Normal
|
|
0, // VertexComponent_Position
|
|
3, // VertexComponent_Tangent
|
|
1, // VertexComponent_TexCoord
|
|
5, // VertexComponent_Userdata0
|
|
6, // VertexComponent_Userdata1
|
|
7, // VertexComponent_Userdata2
|
|
8, // VertexComponent_Userdata3
|
|
9 // VertexComponent_Userdata4
|
|
};
|
|
|
|
static_assert(VertexComponent_Max + 1 == 16, "Attribute index array is incomplete");
|
|
|
|
PFNGLACTIVETEXTUREPROC glActiveTexture = nullptr;
|
|
PFNGLATTACHSHADERPROC glAttachShader = nullptr;
|
|
PFNGLBEGINCONDITIONALRENDERPROC glBeginConditionalRender = nullptr;
|
|
PFNGLBEGINQUERYPROC glBeginQuery = nullptr;
|
|
PFNGLBINDATTRIBLOCATIONPROC glBindAttribLocation = nullptr;
|
|
PFNGLBINDBUFFERPROC glBindBuffer = nullptr;
|
|
PFNGLBINDFRAMEBUFFERPROC glBindFramebuffer = nullptr;
|
|
PFNGLBINDFRAGDATALOCATIONPROC glBindFragDataLocation = nullptr;
|
|
PFNGLBINDRENDERBUFFERPROC glBindRenderbuffer = nullptr;
|
|
PFNGLBINDSAMPLERPROC glBindSampler = nullptr;
|
|
PFNGLBINDTEXTUREPROC glBindTexture = nullptr;
|
|
PFNGLBINDVERTEXARRAYPROC glBindVertexArray = nullptr;
|
|
PFNGLBLENDFUNCPROC glBlendFunc = nullptr;
|
|
PFNGLBLENDFUNCSEPARATEPROC glBlendFuncSeparate = nullptr;
|
|
PFNGLBLITFRAMEBUFFERPROC glBlitFramebuffer = nullptr;
|
|
PFNGLBUFFERDATAPROC glBufferData = nullptr;
|
|
PFNGLBUFFERSUBDATAPROC glBufferSubData = nullptr;
|
|
PFNGLCLEARPROC glClear = nullptr;
|
|
PFNGLCLEARCOLORPROC glClearColor = nullptr;
|
|
PFNGLCLEARDEPTHPROC glClearDepth = nullptr;
|
|
PFNGLCLEARSTENCILPROC glClearStencil = nullptr;
|
|
PFNGLCREATEPROGRAMPROC glCreateProgram = nullptr;
|
|
PFNGLCREATESHADERPROC glCreateShader = nullptr;
|
|
PFNGLCHECKFRAMEBUFFERSTATUSPROC glCheckFramebufferStatus = nullptr;
|
|
PFNGLCOLORMASKPROC glColorMask = nullptr;
|
|
PFNGLCOMPRESSEDTEXSUBIMAGE1DPROC glCompressedTexSubImage1D = nullptr;
|
|
PFNGLCOMPRESSEDTEXSUBIMAGE2DPROC glCompressedTexSubImage2D = nullptr;
|
|
PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC glCompressedTexSubImage3D = nullptr;
|
|
PFNGLCULLFACEPROC glCullFace = nullptr;
|
|
PFNGLCOMPILESHADERPROC glCompileShader = nullptr;
|
|
PFNGLCOPYTEXSUBIMAGE2DPROC glCopyTexSubImage2D = nullptr;
|
|
PFNGLDEBUGMESSAGECALLBACKPROC glDebugMessageCallback = nullptr;
|
|
PFNGLDEBUGMESSAGECONTROLPROC glDebugMessageControl = nullptr;
|
|
PFNGLDEBUGMESSAGEINSERTPROC glDebugMessageInsert = nullptr;
|
|
PFNGLDELETEBUFFERSPROC glDeleteBuffers = nullptr;
|
|
PFNGLDELETEFRAMEBUFFERSPROC glDeleteFramebuffers = nullptr;
|
|
PFNGLDELETEPROGRAMPROC glDeleteProgram = nullptr;
|
|
PFNGLDELETEQUERIESPROC glDeleteQueries = nullptr;
|
|
PFNGLDELETERENDERBUFFERSPROC glDeleteRenderbuffers = nullptr;
|
|
PFNGLDELETESAMPLERSPROC glDeleteSamplers = nullptr;
|
|
PFNGLDELETESHADERPROC glDeleteShader = nullptr;
|
|
PFNGLDELETETEXTURESPROC glDeleteTextures = nullptr;
|
|
PFNGLDELETEVERTEXARRAYSPROC glDeleteVertexArrays = nullptr;
|
|
PFNGLDEPTHFUNCPROC glDepthFunc = nullptr;
|
|
PFNGLDEPTHMASKPROC glDepthMask = nullptr;
|
|
PFNGLDISABLEPROC glDisable = nullptr;
|
|
PFNGLDISABLEVERTEXATTRIBARRAYPROC glDisableVertexAttribArray = nullptr;
|
|
PFNGLDRAWARRAYSPROC glDrawArrays = nullptr;
|
|
PFNGLDRAWARRAYSINSTANCEDPROC glDrawArraysInstanced = nullptr;
|
|
PFNGLDRAWBUFFERPROC glDrawBuffer = nullptr;
|
|
PFNGLDRAWBUFFERSPROC glDrawBuffers = nullptr;
|
|
PFNGLDRAWELEMENTSPROC glDrawElements = nullptr;
|
|
PFNGLDRAWELEMENTSINSTANCEDPROC glDrawElementsInstanced = nullptr;
|
|
PFNGLDRAWTEXTURENVPROC glDrawTexture = nullptr;
|
|
PFNGLENABLEPROC glEnable = nullptr;
|
|
PFNGLENABLEVERTEXATTRIBARRAYPROC glEnableVertexAttribArray = nullptr;
|
|
PFNGLENDCONDITIONALRENDERPROC glEndConditionalRender = nullptr;
|
|
PFNGLENDQUERYPROC glEndQuery = nullptr;
|
|
PFNGLFLUSHPROC glFlush = nullptr;
|
|
PFNGLFRAMEBUFFERRENDERBUFFERPROC glFramebufferRenderbuffer = nullptr;
|
|
PFNGLFRAMEBUFFERTEXTUREPROC glFramebufferTexture = nullptr;
|
|
PFNGLFRAMEBUFFERTEXTURE1DPROC glFramebufferTexture1D = nullptr;
|
|
PFNGLFRAMEBUFFERTEXTURE2DPROC glFramebufferTexture2D = nullptr;
|
|
PFNGLFRAMEBUFFERTEXTURE3DPROC glFramebufferTexture3D = nullptr;
|
|
PFNGLFRAMEBUFFERTEXTURELAYERPROC glFramebufferTextureLayer = nullptr;
|
|
PFNGLGENERATEMIPMAPPROC glGenerateMipmap = nullptr;
|
|
PFNGLGENBUFFERSPROC glGenBuffers = nullptr;
|
|
PFNGLGENFRAMEBUFFERSPROC glGenFramebuffers = nullptr;
|
|
PFNGLGENRENDERBUFFERSPROC glGenRenderbuffers = nullptr;
|
|
PFNGLGENQUERIESPROC glGenQueries = nullptr;
|
|
PFNGLGENSAMPLERSPROC glGenSamplers = nullptr;
|
|
PFNGLGENTEXTURESPROC glGenTextures = nullptr;
|
|
PFNGLGENVERTEXARRAYSPROC glGenVertexArrays = nullptr;
|
|
PFNGLGETACTIVEUNIFORMPROC glGetActiveUniform = nullptr;
|
|
PFNGLGETBOOLEANVPROC glGetBooleanv = nullptr;
|
|
PFNGLGETBUFFERPARAMETERIVPROC glGetBufferParameteriv = nullptr;
|
|
PFNGLGETDEBUGMESSAGELOGPROC glGetDebugMessageLog = nullptr;
|
|
PFNGLGETERRORPROC glGetError = nullptr;
|
|
PFNGLGETFLOATVPROC glGetFloatv = nullptr;
|
|
PFNGLGETINTEGERVPROC glGetIntegerv = nullptr;
|
|
PFNGLGETPROGRAMBINARYPROC glGetProgramBinary = nullptr;
|
|
PFNGLGETPROGRAMIVPROC glGetProgramiv = nullptr;
|
|
PFNGLGETPROGRAMINFOLOGPROC glGetProgramInfoLog = nullptr;
|
|
PFNGLGETQUERYIVPROC glGetQueryiv = nullptr;
|
|
PFNGLGETQUERYOBJECTIVPROC glGetQueryObjectiv = nullptr;
|
|
PFNGLGETQUERYOBJECTUIVPROC glGetQueryObjectuiv = nullptr;
|
|
PFNGLGETSHADERINFOLOGPROC glGetShaderInfoLog = nullptr;
|
|
PFNGLGETSHADERIVPROC glGetShaderiv = nullptr;
|
|
PFNGLGETSHADERSOURCEPROC glGetShaderSource = nullptr;
|
|
PFNGLGETSTRINGPROC glGetString = nullptr;
|
|
PFNGLGETSTRINGIPROC glGetStringi = nullptr;
|
|
PFNGLGETTEXIMAGEPROC glGetTexImage = nullptr;
|
|
PFNGLGETTEXLEVELPARAMETERFVPROC glGetTexLevelParameterfv = nullptr;
|
|
PFNGLGETTEXLEVELPARAMETERIVPROC glGetTexLevelParameteriv = nullptr;
|
|
PFNGLGETTEXPARAMETERFVPROC glGetTexParameterfv = nullptr;
|
|
PFNGLGETTEXPARAMETERIVPROC glGetTexParameteriv = nullptr;
|
|
PFNGLGETUNIFORMFVPROC glGetUniformfv = nullptr;
|
|
PFNGLGETUNIFORMIVPROC glGetUniformiv = nullptr;
|
|
PFNGLGETUNIFORMLOCATIONPROC glGetUniformLocation = nullptr;
|
|
PFNGLINVALIDATEBUFFERDATAPROC glInvalidateBufferData = nullptr;
|
|
PFNGLISENABLEDPROC glIsEnabled = nullptr;
|
|
PFNGLLINEWIDTHPROC glLineWidth = nullptr;
|
|
PFNGLLINKPROGRAMPROC glLinkProgram = nullptr;
|
|
PFNGLMAPBUFFERPROC glMapBuffer = nullptr;
|
|
PFNGLMAPBUFFERRANGEPROC glMapBufferRange = nullptr;
|
|
PFNGLPIXELSTOREIPROC glPixelStorei = nullptr;
|
|
PFNGLPOINTSIZEPROC glPointSize = nullptr;
|
|
PFNGLPOLYGONMODEPROC glPolygonMode = nullptr;
|
|
PFNGLPROGRAMBINARYPROC glProgramBinary = nullptr;
|
|
PFNGLPROGRAMPARAMETERIPROC glProgramParameteri = nullptr;
|
|
PFNGLPROGRAMUNIFORM1DPROC glProgramUniform1d = nullptr;
|
|
PFNGLPROGRAMUNIFORM1FPROC glProgramUniform1f = nullptr;
|
|
PFNGLPROGRAMUNIFORM1IPROC glProgramUniform1i = nullptr;
|
|
PFNGLPROGRAMUNIFORM1DVPROC glProgramUniform1dv = nullptr;
|
|
PFNGLPROGRAMUNIFORM1FVPROC glProgramUniform1fv = nullptr;
|
|
PFNGLPROGRAMUNIFORM1IVPROC glProgramUniform1iv = nullptr;
|
|
PFNGLPROGRAMUNIFORM2DVPROC glProgramUniform2dv = nullptr;
|
|
PFNGLPROGRAMUNIFORM2FVPROC glProgramUniform2fv = nullptr;
|
|
PFNGLPROGRAMUNIFORM2IVPROC glProgramUniform2iv = nullptr;
|
|
PFNGLPROGRAMUNIFORM3DVPROC glProgramUniform3dv = nullptr;
|
|
PFNGLPROGRAMUNIFORM3FVPROC glProgramUniform3fv = nullptr;
|
|
PFNGLPROGRAMUNIFORM3IVPROC glProgramUniform3iv = nullptr;
|
|
PFNGLPROGRAMUNIFORM4DVPROC glProgramUniform4dv = nullptr;
|
|
PFNGLPROGRAMUNIFORM4FVPROC glProgramUniform4fv = nullptr;
|
|
PFNGLPROGRAMUNIFORM4IVPROC glProgramUniform4iv = nullptr;
|
|
PFNGLPROGRAMUNIFORMMATRIX4DVPROC glProgramUniformMatrix4dv = nullptr;
|
|
PFNGLPROGRAMUNIFORMMATRIX4FVPROC glProgramUniformMatrix4fv = nullptr;
|
|
PFNGLREADPIXELSPROC glReadPixels = nullptr;
|
|
PFNGLRENDERBUFFERSTORAGEPROC glRenderbufferStorage = nullptr;
|
|
PFNGLSAMPLERPARAMETERFPROC glSamplerParameterf = nullptr;
|
|
PFNGLSAMPLERPARAMETERIPROC glSamplerParameteri = nullptr;
|
|
PFNGLSCISSORPROC glScissor = nullptr;
|
|
PFNGLSHADERSOURCEPROC glShaderSource = nullptr;
|
|
PFNGLSTENCILFUNCPROC glStencilFunc = nullptr;
|
|
PFNGLSTENCILFUNCSEPARATEPROC glStencilFuncSeparate = nullptr;
|
|
PFNGLSTENCILOPPROC glStencilOp = nullptr;
|
|
PFNGLSTENCILOPSEPARATEPROC glStencilOpSeparate = nullptr;
|
|
PFNGLTEXIMAGE1DPROC glTexImage1D = nullptr;
|
|
PFNGLTEXIMAGE2DPROC glTexImage2D = nullptr;
|
|
PFNGLTEXIMAGE3DPROC glTexImage3D = nullptr;
|
|
PFNGLTEXPARAMETERFPROC glTexParameterf = nullptr;
|
|
PFNGLTEXPARAMETERIPROC glTexParameteri = nullptr;
|
|
PFNGLTEXSTORAGE1DPROC glTexStorage1D = nullptr;
|
|
PFNGLTEXSTORAGE2DPROC glTexStorage2D = nullptr;
|
|
PFNGLTEXSTORAGE3DPROC glTexStorage3D = nullptr;
|
|
PFNGLTEXSUBIMAGE1DPROC glTexSubImage1D = nullptr;
|
|
PFNGLTEXSUBIMAGE2DPROC glTexSubImage2D = nullptr;
|
|
PFNGLTEXSUBIMAGE3DPROC glTexSubImage3D = nullptr;
|
|
PFNGLUNIFORM1DPROC glUniform1d = nullptr;
|
|
PFNGLUNIFORM1FPROC glUniform1f = nullptr;
|
|
PFNGLUNIFORM1IPROC glUniform1i = nullptr;
|
|
PFNGLUNIFORM1DVPROC glUniform1dv = nullptr;
|
|
PFNGLUNIFORM1FVPROC glUniform1fv = nullptr;
|
|
PFNGLUNIFORM1IVPROC glUniform1iv = nullptr;
|
|
PFNGLUNIFORM2DVPROC glUniform2dv = nullptr;
|
|
PFNGLUNIFORM2FVPROC glUniform2fv = nullptr;
|
|
PFNGLUNIFORM2IVPROC glUniform2iv = nullptr;
|
|
PFNGLUNIFORM3DVPROC glUniform3dv = nullptr;
|
|
PFNGLUNIFORM3FVPROC glUniform3fv = nullptr;
|
|
PFNGLUNIFORM3IVPROC glUniform3iv = nullptr;
|
|
PFNGLUNIFORM4DVPROC glUniform4dv = nullptr;
|
|
PFNGLUNIFORM4FVPROC glUniform4fv = nullptr;
|
|
PFNGLUNIFORM4IVPROC glUniform4iv = nullptr;
|
|
PFNGLUNIFORMMATRIX4DVPROC glUniformMatrix4dv = nullptr;
|
|
PFNGLUNIFORMMATRIX4FVPROC glUniformMatrix4fv = nullptr;
|
|
PFNGLUNMAPBUFFERPROC glUnmapBuffer = nullptr;
|
|
PFNGLUSEPROGRAMPROC glUseProgram = nullptr;
|
|
PFNGLVALIDATEPROGRAMPROC glValidateProgram = nullptr;
|
|
PFNGLVERTEXATTRIB4FPROC glVertexAttrib4f = nullptr;
|
|
PFNGLVERTEXATTRIBDIVISORPROC glVertexAttribDivisor = nullptr;
|
|
PFNGLVERTEXATTRIBPOINTERPROC glVertexAttribPointer = nullptr;
|
|
PFNGLVERTEXATTRIBIPOINTERPROC glVertexAttribIPointer = nullptr;
|
|
PFNGLVERTEXATTRIBLPOINTERPROC glVertexAttribLPointer = nullptr;
|
|
PFNGLVIEWPORTPROC glViewport = nullptr;
|
|
|
|
#if defined(NAZARA_PLATFORM_WINDOWS)
|
|
PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormat = nullptr;
|
|
PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribs = nullptr;
|
|
PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetExtensionsStringARB = nullptr;
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PFNWGLGETEXTENSIONSSTRINGEXTPROC wglGetExtensionsStringEXT = nullptr;
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PFNWGLSWAPINTERVALEXTPROC wglSwapInterval = nullptr;
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#elif defined(NAZARA_PLATFORM_GLX)
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GLX::PFNGLXCREATECONTEXTATTRIBSARBPROC glXCreateContextAttribs = nullptr;
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GLX::PFNGLXSWAPINTERVALEXTPROC glXSwapIntervalEXT = nullptr;
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GLX::PFNGLXSWAPINTERVALMESAPROC NzglXSwapIntervalMESA = nullptr;
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GLX::PFNGLXSWAPINTERVALSGIPROC glXSwapIntervalSGI = nullptr;
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#endif
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}
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