1015 lines
44 KiB
C++
1015 lines
44 KiB
C++
// Copyright (C) 2012 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/Renderer/OpenGL.hpp>
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#include <Nazara/Core/Error.hpp>
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#include <Nazara/Renderer/Context.hpp>
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#include <set>
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#include <sstream>
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#include <stdexcept>
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#include <Nazara/Renderer/Debug.hpp>
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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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NzOpenGLFunc LoadEntry(const char* name, bool launchException = true)
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{
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#if defined(NAZARA_PLATFORM_WINDOWS)
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NzOpenGLFunc entry = reinterpret_cast<NzOpenGLFunc>(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<NzOpenGLFunc>(GetProcAddress(openGLlibrary, name));
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#elif defined(NAZARA_PLATFORM_LINUX)
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NzOpenGLFunc entry = reinterpret_cast<NzOpenGLFunc>(glXGetProcAddress(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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#ifdef 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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#ifdef NAZARA_PLATFORM_WINDOWS
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FreeLibrary(openGLlibrary);
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#endif
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}
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std::set<NzString> openGLextensionSet;
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bool openGLextensions[nzOpenGLExtension_Max+1] = {false};
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unsigned int openGLversion = 0;
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bool LoadExtensionsString(const NzString& 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 NzString implémente le COW...
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std::vector<NzString> ext;
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extensionString.Split(ext);
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for (std::vector<NzString>::iterator it = ext.begin(); it != ext.end(); ++it)
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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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NzString 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 #" + NzString::Number(i));
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continue;
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}
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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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namespace NzOpenGL
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{
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NzOpenGLFunc GetEntry(const NzString& entryPoint)
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{
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return LoadEntry(entryPoint.GetConstBuffer(), false);
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}
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unsigned int GetVersion()
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{
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return openGLversion;
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}
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bool Initialize()
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{
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if (!LoadLibrary())
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{
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NazaraError("Failed to load OpenGL library");
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return false;
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}
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// Le chargement des fonctions OpenGL nécessite un contexte OpenGL
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NzContextParameters parameters;
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parameters.majorVersion = 2;
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parameters.minorVersion = 0;
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parameters.shared = false;
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/*
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Note: Même le contexte de chargement nécessite quelques fonctions de base pour correctement s'initialiser
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Pour cette raison, deux contextes sont créés, le premier sert à récupérer les fonctions permetttant
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de créer le second avec les bons paramètres.
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Non sérieusement si quelqu'un a une meilleure idée qu'il me le dise.
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*/
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/****************************************Initialisation****************************************/
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NzContext loadContext;
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if (!loadContext.Create(parameters))
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{
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NazaraError("Failed to create load context");
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Uninitialize();
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return false;
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}
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#if defined(NAZARA_PLATFORM_WINDOWS)
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wglCreateContextAttribs = reinterpret_cast<PFNWGLCREATECONTEXTATTRIBSARBPROC>(LoadEntry("wglCreateContextAttribsARB", false));
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wglChoosePixelFormat = reinterpret_cast<PFNWGLCHOOSEPIXELFORMATARBPROC>(LoadEntry("wglChoosePixelFormatARB", false));
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if (!wglChoosePixelFormat)
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wglChoosePixelFormat = reinterpret_cast<PFNWGLCHOOSEPIXELFORMATEXTPROC>(LoadEntry("wglChoosePixelFormatEXT", false));
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#elif defined(NAZARA_PLATFORM_LINUX)
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glXCreateContextAttribs = reinterpret_cast<PFNGLXCREATECONTEXTATTRIBSARBPROC>(LoadEntry("glXCreateContextAttribsARB", false));
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#endif
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// Récupération de la version d'OpenGL
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// Ce code se base sur le fait que la carte graphique renverra un contexte de compatibilité avec la plus haute version supportée
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// Ce qui semble vrai au moins chez ATI/AMD et NVidia, mais si quelqu'un à une meilleure idée ...
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glGetString = reinterpret_cast<PFNGLGETSTRINGPROC>(LoadEntry("glGetString", false));
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if (!glGetString)
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{
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NazaraError("Unable to load OpenGL: failed to load glGetString");
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Uninitialize();
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return false;
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}
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const GLubyte* version = glGetString(GL_VERSION);
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if (!version)
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{
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NazaraError("Unable to retrieve OpenGL version");
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Uninitialize();
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return false;
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}
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unsigned int major = version[0] - '0';
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unsigned int minor = version[2] - '0';
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if (major == 0 || major > 9)
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{
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NazaraError("Unable to retrieve OpenGL major version");
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return false;
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}
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if (minor > 9)
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{
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NazaraWarning("Unable to retrieve OpenGL minor version (using 0)");
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minor = 0;
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}
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openGLversion = major*100 + minor*10;
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if (openGLversion < 200)
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{
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NazaraError("OpenGL version is too low, please upgrade your drivers or your video card");
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Uninitialize();
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return false;
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}
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parameters.debugMode = true; // Certaines extensions n'apparaissent qu'avec un contexte de debug (e.g. ARB_debug_output)
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parameters.majorVersion = NzContextParameters::defaultMajorVersion = major;
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parameters.minorVersion = NzContextParameters::defaultMinorVersion = minor;
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if (!loadContext.Create(parameters)) // Destruction implicite du premier contexte
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{
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NazaraError("Failed to create load context");
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Uninitialize();
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return false;
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}
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/****************************************Noyau****************************************/
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try
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{
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glActiveTexture = reinterpret_cast<PFNGLACTIVETEXTUREPROC>(LoadEntry("glActiveTexture"));
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glAttachShader = reinterpret_cast<PFNGLATTACHSHADERPROC>(LoadEntry("glAttachShader"));
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glBeginQuery = reinterpret_cast<PFNGLBEGINQUERYPROC>(LoadEntry("glBeginQuery"));
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glBindAttribLocation = reinterpret_cast<PFNGLBINDATTRIBLOCATIONPROC>(LoadEntry("glBindAttribLocation"));
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glBindBuffer = reinterpret_cast<PFNGLBINDBUFFERPROC>(LoadEntry("glBindBuffer"));
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glBindTexture = reinterpret_cast<PFNGLBINDTEXTUREPROC>(LoadEntry("glBindTexture"));
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glBlendFunc = reinterpret_cast<PFNGLBLENDFUNCPROC>(LoadEntry("glBlendFunc"));
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glBufferData = reinterpret_cast<PFNGLBUFFERDATAPROC>(LoadEntry("glBufferData"));
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glBufferSubData = reinterpret_cast<PFNGLBUFFERSUBDATAPROC>(LoadEntry("glBufferSubData"));
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glClear = reinterpret_cast<PFNGLCLEARPROC>(LoadEntry("glClear"));
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glClearColor = reinterpret_cast<PFNGLCLEARCOLORPROC>(LoadEntry("glClearColor"));
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glClearDepth = reinterpret_cast<PFNGLCLEARDEPTHPROC>(LoadEntry("glClearDepth"));
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glClearStencil = reinterpret_cast<PFNGLCLEARSTENCILPROC>(LoadEntry("glClearStencil"));
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glCreateProgram = reinterpret_cast<PFNGLCREATEPROGRAMPROC>(LoadEntry("glCreateProgram"));
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glCreateShader = reinterpret_cast<PFNGLCREATESHADERPROC>(LoadEntry("glCreateShader"));
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glColorMask = reinterpret_cast<PFNGLCOLORMASKPROC>(LoadEntry("glColorMask"));
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glCullFace = reinterpret_cast<PFNGLCULLFACEPROC>(LoadEntry("glCullFace"));
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glCompileShader = reinterpret_cast<PFNGLCOMPILESHADERPROC>(LoadEntry("glCompileShader"));
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glCopyTexSubImage2D = reinterpret_cast<PFNGLCOPYTEXSUBIMAGE2DPROC>(LoadEntry("glCopyTexSubImage2D"));
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glDeleteBuffers = reinterpret_cast<PFNGLDELETEBUFFERSPROC>(LoadEntry("glDeleteBuffers"));
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glDeleteQueries = reinterpret_cast<PFNGLDELETEQUERIESPROC>(LoadEntry("glDeleteQueries"));
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glDeleteProgram = reinterpret_cast<PFNGLDELETEPROGRAMPROC>(LoadEntry("glDeleteProgram"));
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glDeleteShader = reinterpret_cast<PFNGLDELETESHADERPROC>(LoadEntry("glDeleteShader"));
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glDeleteTextures = reinterpret_cast<PFNGLDELETETEXTURESPROC>(LoadEntry("glDeleteTextures"));
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glDepthFunc = reinterpret_cast<PFNGLDEPTHFUNCPROC>(LoadEntry("glDepthFunc"));
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glDepthMask = reinterpret_cast<PFNGLDEPTHMASKPROC>(LoadEntry("glDepthMask"));
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glDisable = reinterpret_cast<PFNGLDISABLEPROC>(LoadEntry("glDisable"));
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glDisableVertexAttribArray = reinterpret_cast<PFNGLDISABLEVERTEXATTRIBARRAYPROC>(LoadEntry("glDisableVertexAttribArray"));
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glDrawArrays = reinterpret_cast<PFNGLDRAWARRAYSPROC>(LoadEntry("glDrawArrays"));
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glDrawBuffer = reinterpret_cast<PFNGLDRAWBUFFERPROC>(LoadEntry("glDrawBuffer"));
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glDrawBuffers = reinterpret_cast<PFNGLDRAWBUFFERSPROC>(LoadEntry("glDrawBuffers"));
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glDrawElements = reinterpret_cast<PFNGLDRAWELEMENTSPROC>(LoadEntry("glDrawElements"));
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glFlush = reinterpret_cast<PFNGLFLUSHPROC>(LoadEntry("glFlush"));
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glEnable = reinterpret_cast<PFNGLENABLEPROC>(LoadEntry("glEnable"));
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glEnableVertexAttribArray = reinterpret_cast<PFNGLENABLEVERTEXATTRIBARRAYPROC>(LoadEntry("glEnableVertexAttribArray"));
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glEndQuery = reinterpret_cast<PFNGLENDQUERYPROC>(LoadEntry("glEndQuery"));
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glGenBuffers = reinterpret_cast<PFNGLGENBUFFERSPROC>(LoadEntry("glGenBuffers"));
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glGenQueries = reinterpret_cast<PFNGLGENQUERIESPROC>(LoadEntry("glGenQueries"));
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glGenTextures = reinterpret_cast<PFNGLGENTEXTURESPROC>(LoadEntry("glGenTextures"));
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glGetBufferParameteriv = reinterpret_cast<PFNGLGETBUFFERPARAMETERIVPROC>(LoadEntry("glGetBufferParameteriv"));
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glGetError = reinterpret_cast<PFNGLGETERRORPROC>(LoadEntry("glGetError"));
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glGetQueryiv = reinterpret_cast<PFNGLGETQUERYIVPROC>(LoadEntry("glGetQueryiv"));
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glGetQueryObjectiv = reinterpret_cast<PFNGLGETQUERYOBJECTIVPROC>(LoadEntry("glGetQueryObjectiv"));
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glGetQueryObjectuiv = reinterpret_cast<PFNGLGETQUERYOBJECTUIVPROC>(LoadEntry("glGetQueryObjectuiv"));
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glGetIntegerv = reinterpret_cast<PFNGLGETINTEGERVPROC>(LoadEntry("glGetIntegerv"));
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glGetProgramiv = reinterpret_cast<PFNGLGETPROGRAMIVPROC>(LoadEntry("glGetProgramiv"));
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glGetProgramInfoLog = reinterpret_cast<PFNGLGETPROGRAMINFOLOGPROC>(LoadEntry("glGetProgramInfoLog"));
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glGetShaderInfoLog = reinterpret_cast<PFNGLGETSHADERINFOLOGPROC>(LoadEntry("glGetShaderInfoLog"));
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glGetShaderiv = reinterpret_cast<PFNGLGETSHADERIVPROC>(LoadEntry("glGetShaderiv"));
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glGetShaderSource = reinterpret_cast<PFNGLGETSHADERSOURCEPROC>(LoadEntry("glGetShaderSource"));
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glGetTexImage = reinterpret_cast<PFNGLGETTEXIMAGEPROC>(LoadEntry("glGetTexImage"));
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glGetTexLevelParameterfv = reinterpret_cast<PFNGLGETTEXLEVELPARAMETERFVPROC>(LoadEntry("glGetTexLevelParameterfv"));
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glGetTexLevelParameteriv = reinterpret_cast<PFNGLGETTEXLEVELPARAMETERIVPROC>(LoadEntry("glGetTexLevelParameteriv"));
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glGetTexParameterfv = reinterpret_cast<PFNGLGETTEXPARAMETERFVPROC>(LoadEntry("glGetTexParameterfv"));
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glGetTexParameteriv = reinterpret_cast<PFNGLGETTEXPARAMETERIVPROC>(LoadEntry("glGetTexParameteriv"));
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glGetUniformLocation = reinterpret_cast<PFNGLGETUNIFORMLOCATIONPROC>(LoadEntry("glGetUniformLocation"));
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glLinkProgram = reinterpret_cast<PFNGLLINKPROGRAMPROC>(LoadEntry("glLinkProgram"));
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glMapBuffer = reinterpret_cast<PFNGLMAPBUFFERPROC>(LoadEntry("glMapBuffer"));
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glPixelStorei = reinterpret_cast<PFNGLPIXELSTOREIPROC>(LoadEntry("glPixelStorei"));
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glPolygonMode = reinterpret_cast<PFNGLPOLYGONMODEPROC>(LoadEntry("glPolygonMode"));
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glReadPixels = reinterpret_cast<PFNGLREADPIXELSPROC>(LoadEntry("glReadPixels"));
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glScissor = reinterpret_cast<PFNGLSCISSORPROC>(LoadEntry("glScissor"));
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glShaderSource = reinterpret_cast<PFNGLSHADERSOURCEPROC>(LoadEntry("glShaderSource"));
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glStencilFunc = reinterpret_cast<PFNGLSTENCILFUNCPROC>(LoadEntry("glStencilFunc"));
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glStencilOp = reinterpret_cast<PFNGLSTENCILOPPROC>(LoadEntry("glStencilOp"));
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glTexImage2D = reinterpret_cast<PFNGLTEXIMAGE2DPROC>(LoadEntry("glTexImage2D"));
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glTexImage3D = reinterpret_cast<PFNGLTEXIMAGE3DPROC>(LoadEntry("glTexImage3D"));
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glTexParameterf = reinterpret_cast<PFNGLTEXPARAMETERFPROC>(LoadEntry("glTexParameterf"));
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glTexParameteri = reinterpret_cast<PFNGLTEXPARAMETERIPROC>(LoadEntry("glTexParameteri"));
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glTexSubImage2D = reinterpret_cast<PFNGLTEXSUBIMAGE2DPROC>(LoadEntry("glTexSubImage2D"));
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glTexSubImage3D = reinterpret_cast<PFNGLTEXSUBIMAGE3DPROC>(LoadEntry("glTexSubImage3D"));
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glUniform1f = reinterpret_cast<PFNGLUNIFORM1FPROC>(LoadEntry("glUniform1f"));
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glUniform1i = reinterpret_cast<PFNGLUNIFORM1IPROC>(LoadEntry("glUniform1i"));
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glUniform2fv = reinterpret_cast<PFNGLUNIFORM2FVPROC>(LoadEntry("glUniform2fv"));
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glUniform3fv = reinterpret_cast<PFNGLUNIFORM3FVPROC>(LoadEntry("glUniform3fv"));
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glUniform4fv = reinterpret_cast<PFNGLUNIFORM4FVPROC>(LoadEntry("glUniform4fv"));
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glUniformMatrix4fv = reinterpret_cast<PFNGLUNIFORMMATRIX4FVPROC>(LoadEntry("glUniformMatrix4fv"));
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glUnmapBuffer = reinterpret_cast<PFNGLUNMAPBUFFERPROC>(LoadEntry("glUnmapBuffer"));
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glUseProgram = reinterpret_cast<PFNGLUSEPROGRAMPROC>(LoadEntry("glUseProgram"));
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glVertexAttrib4f = reinterpret_cast<PFNGLVERTEXATTRIB4FPROC>(LoadEntry("glVertexAttrib4f"));
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glVertexAttribPointer = reinterpret_cast<PFNGLVERTEXATTRIBPOINTERPROC>(LoadEntry("glVertexAttribPointer"));
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glViewport = reinterpret_cast<PFNGLVIEWPORTPROC>(LoadEntry("glViewport"));
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}
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catch (const std::exception& e)
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{
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NazaraError("Unable to load OpenGL: " + NzString(e.what()));
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Uninitialize();
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return false;
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}
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/****************************************Extensions****************************************/
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// Fonctions optionnelles
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glBindFragDataLocation = reinterpret_cast<PFNGLBINDFRAGDATALOCATIONPROC>(LoadEntry("glBindFragDataLocation", false));
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if (!glBindFragDataLocation)
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glBindFragDataLocation = reinterpret_cast<PFNGLBINDFRAGDATALOCATIONEXTPROC>(LoadEntry("glBindFragDataLocationEXT", false));
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glGetStringi = reinterpret_cast<PFNGLGETSTRINGIPROC>(LoadEntry("glGetStringi", false));
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glMapBufferRange = reinterpret_cast<PFNGLMAPBUFFERRANGEPROC>(LoadEntry("glMapBufferRange", false));
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#if defined(NAZARA_PLATFORM_WINDOWS)
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wglGetExtensionsStringARB = reinterpret_cast<PFNWGLGETEXTENSIONSSTRINGARBPROC>(LoadEntry("wglGetExtensionsStringARB", false));
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wglGetExtensionsStringEXT = reinterpret_cast<PFNWGLGETEXTENSIONSSTRINGEXTPROC>(LoadEntry("wglGetExtensionsStringEXT", false));
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wglSwapInterval = reinterpret_cast<PFNWGLSWAPINTERVALEXTPROC>(LoadEntry("wglSwapIntervalEXT", false));
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#elif defined(NAZARA_PLATFORM_LINUX)
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glXSwapInterval = reinterpret_cast<PFNGLXSWAPINTERVALSGIPROC>(LoadEntry("glXSwapIntervalSGI", false));
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#endif
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if (!glGetStringi || !LoadExtensions3())
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{
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if (openGLversion >= 300) // Dans le cas contraire c'est normal
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NazaraWarning("Failed to load OpenGL 3 extension system, switching to OpenGL 2 extension system...");
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if (!LoadExtensionsString(reinterpret_cast<const char*>(glGetString(GL_EXTENSIONS))))
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NazaraWarning("Failed to load extension system");
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}
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#ifdef NAZARA_PLATFORM_WINDOWS
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{
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bool loaded;
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if (wglGetExtensionsStringARB)
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loaded = LoadExtensionsString(reinterpret_cast<const char*>(wglGetExtensionsStringARB(wglGetCurrentDC())));
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else if (wglGetExtensionsStringEXT)
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loaded = LoadExtensionsString(reinterpret_cast<const char*>(wglGetExtensionsStringEXT()));
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else
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loaded = false;
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if (!loaded)
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NazaraWarning("Failed to load wgl extension string");
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}
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#endif
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// AnisotropicFilter
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openGLextensions[nzOpenGLExtension_AnisotropicFilter] = IsSupported("GL_EXT_texture_filter_anisotropic");
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// DebugOutput
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if (openGLversion >= 430 || IsSupported("GL_KHR_debug"))
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{
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try
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{
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glDebugMessageCallback = reinterpret_cast<PFNGLDEBUGMESSAGECALLBACKPROC>(LoadEntry("glDebugMessageCallback"));
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glDebugMessageControl = reinterpret_cast<PFNGLDEBUGMESSAGECONTROLPROC>(LoadEntry("glDebugMessageControl"));
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glDebugMessageInsert = reinterpret_cast<PFNGLDEBUGMESSAGEINSERTPROC>(LoadEntry("glDebugMessageInsert"));
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glGetDebugMessageLog = reinterpret_cast<PFNGLGETDEBUGMESSAGELOGPROC>(LoadEntry("glGetDebugMessageLog"));
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openGLextensions[nzOpenGLExtension_DebugOutput] = true;
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}
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catch (const std::exception& e)
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{
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NazaraWarning("Failed to load GL_KHR_debug: " + NzString(e.what()));
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}
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}
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if (!openGLextensions[nzOpenGLExtension_DebugOutput] && IsSupported("GL_ARB_debug_output"))
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{
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try
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{
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glDebugMessageCallback = reinterpret_cast<PFNGLDEBUGMESSAGECALLBACKARBPROC>(LoadEntry("glDebugMessageCallbackARB"));
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glDebugMessageControl = reinterpret_cast<PFNGLDEBUGMESSAGECONTROLARBPROC>(LoadEntry("glDebugMessageControlARB"));
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glDebugMessageInsert = reinterpret_cast<PFNGLDEBUGMESSAGEINSERTARBPROC>(LoadEntry("glDebugMessageInsertARB"));
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glGetDebugMessageLog = reinterpret_cast<PFNGLGETDEBUGMESSAGELOGARBPROC>(LoadEntry("glGetDebugMessageLogARB"));
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openGLextensions[nzOpenGLExtension_DebugOutput] = true;
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}
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catch (const std::exception& e)
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{
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NazaraWarning("Failed to load GL_ARB_debug_output: " + NzString(e.what()));
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}
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}
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// FP64
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if (openGLversion >= 400 || IsSupported("GL_ARB_gpu_shader_fp64"))
|
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{
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try
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{
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glUniform1d = reinterpret_cast<PFNGLUNIFORM1DPROC>(LoadEntry("glUniform1d"));
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glUniform2dv = reinterpret_cast<PFNGLUNIFORM2DVPROC>(LoadEntry("glUniform2dv"));
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glUniform3dv = reinterpret_cast<PFNGLUNIFORM3DVPROC>(LoadEntry("glUniform3dv"));
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glUniform4dv = reinterpret_cast<PFNGLUNIFORM4DVPROC>(LoadEntry("glUniform4dv"));
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|
|
openGLextensions[nzOpenGLExtension_FP64] = true;
|
|
}
|
|
catch (const std::exception& e)
|
|
{
|
|
NazaraWarning("Failed to load ARB_gpu_shader_fp64: " + NzString(e.what()));
|
|
}
|
|
}
|
|
|
|
// FrameBufferObject
|
|
if (openGLversion >= 300 || IsSupported("GL_ARB_framebuffer_object"))
|
|
{
|
|
try
|
|
{
|
|
glBindFramebuffer = reinterpret_cast<PFNGLBINDFRAMEBUFFERPROC>(LoadEntry("glBindFramebuffer"));
|
|
glBindRenderbuffer = reinterpret_cast<PFNGLBINDRENDERBUFFERPROC>(LoadEntry("glBindRenderbuffer"));
|
|
glCheckFramebufferStatus = reinterpret_cast<PFNGLCHECKFRAMEBUFFERSTATUSPROC>(LoadEntry("glCheckFramebufferStatus"));
|
|
glDeleteFramebuffers = reinterpret_cast<PFNGLDELETEFRAMEBUFFERSPROC>(LoadEntry("glDeleteFramebuffers"));
|
|
glDeleteRenderbuffers = reinterpret_cast<PFNGLDELETERENDERBUFFERSPROC>(LoadEntry("glDeleteRenderbuffers"));
|
|
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"));
|
|
glGenFramebuffers = reinterpret_cast<PFNGLGENFRAMEBUFFERSPROC>(LoadEntry("glGenFramebuffers"));
|
|
glGenRenderbuffers = reinterpret_cast<PFNGLGENRENDERBUFFERSPROC>(LoadEntry("glGenRenderbuffers"));
|
|
glRenderbufferStorage = reinterpret_cast<PFNGLRENDERBUFFERSTORAGEPROC>(LoadEntry("glRenderbufferStorage"));
|
|
|
|
openGLextensions[nzOpenGLExtension_FrameBufferObject] = true;
|
|
}
|
|
catch (const std::exception& e)
|
|
{
|
|
NazaraWarning("Failed to load ARB_framebuffer_object: (" + NzString(e.what()) + ")");
|
|
}
|
|
}
|
|
|
|
// PixelBufferObject
|
|
openGLextensions[nzOpenGLExtension_PixelBufferObject] = (openGLversion >= 210 || IsSupported("GL_ARB_pixel_buffer_object"));
|
|
|
|
// SeparateShaderObjects
|
|
if (openGLversion >= 400 || IsSupported("GL_ARB_separate_shader_objects"))
|
|
{
|
|
glProgramUniform1f = reinterpret_cast<PFNGLPROGRAMUNIFORM1FPROC>(LoadEntry("glProgramUniform1f"));
|
|
glProgramUniform1i = reinterpret_cast<PFNGLPROGRAMUNIFORM1IPROC>(LoadEntry("glProgramUniform1i"));
|
|
glProgramUniform2fv = reinterpret_cast<PFNGLPROGRAMUNIFORM2FVPROC>(LoadEntry("glProgramUniform2fv"));
|
|
glProgramUniform3fv = reinterpret_cast<PFNGLPROGRAMUNIFORM3FVPROC>(LoadEntry("glProgramUniform3fv"));
|
|
glProgramUniform4fv = reinterpret_cast<PFNGLPROGRAMUNIFORM4FVPROC>(LoadEntry("glProgramUniform4fv"));
|
|
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 (openGLextensions[nzOpenGLExtension_FP64])
|
|
{
|
|
glProgramUniform1d = reinterpret_cast<PFNGLPROGRAMUNIFORM1DPROC>(LoadEntry("glProgramUniform1d"));
|
|
glProgramUniform2dv = reinterpret_cast<PFNGLPROGRAMUNIFORM2DVPROC>(LoadEntry("glProgramUniform2dv"));
|
|
glProgramUniform3dv = reinterpret_cast<PFNGLPROGRAMUNIFORM3DVPROC>(LoadEntry("glProgramUniform3dv"));
|
|
glProgramUniform4dv = reinterpret_cast<PFNGLPROGRAMUNIFORM4DVPROC>(LoadEntry("glProgramUniform4dv"));
|
|
glProgramUniformMatrix4dv = reinterpret_cast<PFNGLPROGRAMUNIFORMMATRIX4DVPROC>(LoadEntry("glProgramUniformMatrix4dv"));
|
|
}
|
|
|
|
openGLextensions[nzOpenGLExtension_SeparateShaderObjects] = true;
|
|
}
|
|
|
|
// TextureArray
|
|
openGLextensions[nzOpenGLExtension_TextureArray] = (openGLversion >= 300 || IsSupported("GL_EXT_texture_array"));
|
|
|
|
// TextureCompression_s3tc
|
|
openGLextensions[nzOpenGLExtension_TextureCompression_s3tc] = IsSupported("GL_EXT_texture_compression_s3tc");
|
|
|
|
// TextureStorage
|
|
if (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"));
|
|
|
|
openGLextensions[nzOpenGLExtension_TextureStorage] = true;
|
|
}
|
|
catch (const std::exception& e)
|
|
{
|
|
NazaraWarning("Failed to load ARB_texture_storage: " + NzString(e.what()));
|
|
}
|
|
}
|
|
|
|
// VertexArrayObject
|
|
if (openGLversion >= 300 || IsSupported("GL_ARB_vertex_array_object"))
|
|
{
|
|
try
|
|
{
|
|
glBindVertexArray = reinterpret_cast<PFNGLBINDVERTEXARRAYPROC>(LoadEntry("glBindVertexArray"));
|
|
glDeleteVertexArrays = reinterpret_cast<PFNGLDELETEVERTEXARRAYSPROC>(LoadEntry("glDeleteVertexArrays"));
|
|
glGenVertexArrays = reinterpret_cast<PFNGLGENVERTEXARRAYSPROC>(LoadEntry("glGenVertexArrays"));
|
|
|
|
openGLextensions[nzOpenGLExtension_VertexArrayObject] = true;
|
|
}
|
|
catch (const std::exception& e)
|
|
{
|
|
NazaraWarning("Failed to load ARB_vertex_array_object: " + NzString(e.what()));
|
|
}
|
|
}
|
|
|
|
// Fonctions de substitut
|
|
if (!glGenerateMipmap)
|
|
glGenerateMipmap = reinterpret_cast<PFNGLGENERATEMIPMAPEXTPROC>(LoadEntry("glGenerateMipmapEXT", false));
|
|
|
|
/****************************************Contexte de référence****************************************/
|
|
|
|
///FIXME: Utiliser le contexte de chargement comme référence ? (Vérifier mode debug)
|
|
if (!NzContext::Initialize())
|
|
{
|
|
NazaraError("Failed to initialize contexts");
|
|
Uninitialize();
|
|
|
|
return false;
|
|
}
|
|
|
|
NzContextParameters::defaultShareContext = NzContext::GetReference();
|
|
|
|
return true;
|
|
}
|
|
|
|
bool IsSupported(nzOpenGLExtension extension)
|
|
{
|
|
return openGLextensions[extension];
|
|
}
|
|
|
|
bool IsSupported(const NzString& string)
|
|
{
|
|
return openGLextensionSet.find(string) != openGLextensionSet.end();
|
|
}
|
|
|
|
bool TranslateFormat(nzPixelFormat pixelFormat, Format* format, FormatType type)
|
|
{
|
|
switch (pixelFormat)
|
|
{
|
|
case nzPixelFormat_BGR8:
|
|
format->dataFormat = GL_BGR;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_RGB8;
|
|
return true;
|
|
|
|
case nzPixelFormat_BGRA8:
|
|
format->dataFormat = GL_BGRA;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_RGBA8;
|
|
return true;
|
|
|
|
case nzPixelFormat_DXT1:
|
|
format->dataFormat = GL_RGB;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_COMPRESSED_RGB_S3TC_DXT1_EXT;
|
|
return true;
|
|
|
|
case nzPixelFormat_DXT3:
|
|
format->dataFormat = GL_RGBA;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT;
|
|
return true;
|
|
|
|
case nzPixelFormat_DXT5:
|
|
format->dataFormat = GL_RGBA;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT;
|
|
return true;
|
|
|
|
case nzPixelFormat_L8:
|
|
case nzPixelFormat_LA8:
|
|
return false;
|
|
|
|
case nzPixelFormat_RGB5A1:
|
|
format->dataFormat = GL_RGBA;
|
|
format->dataType = GL_UNSIGNED_SHORT_5_5_5_1;
|
|
format->internalFormat = GL_RGB5_A1;
|
|
return true;
|
|
|
|
case nzPixelFormat_RGB8:
|
|
format->dataFormat = GL_RGB;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_RGB8;
|
|
return true;
|
|
|
|
case nzPixelFormat_RGBA4:
|
|
format->dataFormat = GL_RGBA;
|
|
format->dataType = GL_UNSIGNED_SHORT_4_4_4_4;
|
|
format->internalFormat = GL_RGBA4;
|
|
return true;
|
|
|
|
case nzPixelFormat_RGBA8:
|
|
format->dataFormat = GL_RGBA;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_RGBA8;
|
|
return true;
|
|
|
|
case nzPixelFormat_Depth16:
|
|
format->dataFormat = GL_DEPTH_COMPONENT;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_DEPTH_COMPONENT16;
|
|
return true;
|
|
|
|
case nzPixelFormat_Depth24:
|
|
format->dataFormat = GL_DEPTH_COMPONENT;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_DEPTH_COMPONENT24;
|
|
return true;
|
|
|
|
case nzPixelFormat_Depth24Stencil8:
|
|
format->dataFormat = GL_DEPTH_STENCIL;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_DEPTH24_STENCIL8;
|
|
return true;
|
|
|
|
case nzPixelFormat_Depth32:
|
|
format->dataFormat = GL_DEPTH_COMPONENT;
|
|
format->dataType = GL_UNSIGNED_BYTE;
|
|
format->internalFormat = GL_DEPTH_COMPONENT32;
|
|
return true;
|
|
|
|
case nzPixelFormat_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 nzPixelFormat_Stencil4:
|
|
if (type == FormatType_Texture)
|
|
return false;
|
|
else
|
|
{
|
|
format->dataFormat = GL_NONE;
|
|
format->dataType = GL_NONE;
|
|
format->internalFormat = GL_STENCIL_INDEX4;
|
|
return true;
|
|
}
|
|
|
|
case nzPixelFormat_Stencil8:
|
|
if (type == FormatType_Texture)
|
|
return false;
|
|
else
|
|
{
|
|
format->dataFormat = GL_NONE;
|
|
format->dataType = GL_NONE;
|
|
format->internalFormat = GL_STENCIL_INDEX8;
|
|
return true;
|
|
}
|
|
|
|
case nzPixelFormat_Stencil16:
|
|
if (type == FormatType_Texture)
|
|
return false;
|
|
else
|
|
{
|
|
format->dataFormat = GL_NONE;
|
|
format->dataType = GL_NONE;
|
|
format->internalFormat = GL_STENCIL_INDEX16;
|
|
return true;
|
|
}
|
|
|
|
case nzPixelFormat_Undefined:
|
|
break;
|
|
}
|
|
|
|
NazaraError("Invalid pixel format");
|
|
return false;
|
|
}
|
|
|
|
void Uninitialize()
|
|
{
|
|
NzContext::Uninitialize();
|
|
|
|
for (bool& ext : openGLextensions)
|
|
ext = false;
|
|
|
|
openGLextensionSet.clear();
|
|
openGLversion = 0;
|
|
|
|
UnloadLibrary();
|
|
}
|
|
|
|
GLenum Attachment[nzAttachmentPoint_Max+1] =
|
|
{
|
|
GL_COLOR_ATTACHMENT0, // nzAttachmentPoint_Color
|
|
GL_DEPTH_ATTACHMENT, // nzAttachmentPoint_Depth
|
|
GL_DEPTH_STENCIL_ATTACHMENT, // nzAttachmentPoint_DepthStencil
|
|
GL_STENCIL_ATTACHMENT // nzAttachmentPoint_Stencil
|
|
};
|
|
|
|
nzUInt8 AttributeIndex[nzElementUsage_Max+1] =
|
|
{
|
|
2, // nzElementUsage_Diffuse
|
|
1, // nzElementUsage_Normal
|
|
0, // nzElementUsage_Position
|
|
3, // nzElementUsage_Tangent
|
|
|
|
4 // nzElementUsage_TexCoord (Doit être le dernier de la liste car extensible)
|
|
};
|
|
|
|
GLenum BlendFunc[nzBlendFunc_Max+1] =
|
|
{
|
|
GL_DST_ALPHA, // nzBlendFunc_DestAlpha
|
|
GL_DST_COLOR, // nzBlendFunc_DestColor
|
|
GL_SRC_ALPHA, // nzBlendFunc_SrcAlpha
|
|
GL_SRC_COLOR, // nzBlendFunc_SrcColor
|
|
GL_ONE_MINUS_DST_ALPHA, // nzBlendFunc_InvDestAlpha
|
|
GL_ONE_MINUS_DST_COLOR, // nzBlendFunc_InvDestColor
|
|
GL_ONE_MINUS_SRC_ALPHA, // nzBlendFunc_InvSrcAlpha
|
|
GL_ONE_MINUS_SRC_COLOR, // nzBlendFunc_InvSrcColor
|
|
GL_ONE, // nzBlendFunc_One
|
|
GL_ZERO // nzBlendFunc_Zero
|
|
};
|
|
|
|
GLenum BufferLock[nzBufferAccess_Max+1] =
|
|
{
|
|
GL_WRITE_ONLY, // nzBufferAccess_DiscardAndWrite
|
|
GL_READ_ONLY, // nzBufferAccess_ReadOnly
|
|
GL_READ_WRITE, // nzBufferAccess_ReadWrite
|
|
GL_WRITE_ONLY // nzBufferAccess_WriteOnly
|
|
};
|
|
|
|
GLenum BufferLockRange[nzBufferAccess_Max+1] =
|
|
{
|
|
GL_MAP_INVALIDATE_BUFFER_BIT | GL_MAP_WRITE_BIT, // nzBufferAccess_DiscardAndWrite
|
|
GL_MAP_READ_BIT, // nzBufferAccess_ReadOnly
|
|
GL_MAP_READ_BIT | GL_MAP_WRITE_BIT, // nzBufferAccess_ReadWrite
|
|
GL_MAP_WRITE_BIT // nzBufferAccess_WriteOnly
|
|
};
|
|
|
|
GLenum BufferTarget[nzBufferType_Max+1] =
|
|
{
|
|
GL_ELEMENT_ARRAY_BUFFER, // nzBufferType_Index,
|
|
GL_ARRAY_BUFFER, // nzBufferType_Vertex
|
|
};
|
|
|
|
GLenum BufferTargetBinding[nzBufferType_Max+1] =
|
|
{
|
|
GL_ELEMENT_ARRAY_BUFFER_BINDING, // nzBufferType_Index,
|
|
GL_ARRAY_BUFFER_BINDING, // nzBufferType_Vertex
|
|
};
|
|
|
|
GLenum BufferUsage[nzBufferUsage_Max+1] =
|
|
{
|
|
// J'ai choisi DYNAMIC à la place de STREAM car DYNAMIC semble plus adapté au profil "une mise à jour pour quelques rendus"
|
|
// Ce qui est je pense le scénario qui arrivera le plus souvent (Prévoir une option pour permettre d'utiliser le STREAM_DRAW ?)
|
|
// Source: http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=160839
|
|
GL_DYNAMIC_DRAW, // nzBufferUsage_Dynamic
|
|
GL_STATIC_DRAW // nzBufferUsage_Static
|
|
};
|
|
|
|
GLenum CubemapFace[6] =
|
|
{
|
|
GL_TEXTURE_CUBE_MAP_POSITIVE_X, // nzCubemapFace_PositiveX
|
|
GL_TEXTURE_CUBE_MAP_NEGATIVE_X, // nzCubemapFace_NegativeX
|
|
GL_TEXTURE_CUBE_MAP_POSITIVE_Y, // nzCubemapFace_PositiveY
|
|
GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, // nzCubemapFace_NegativeY
|
|
GL_TEXTURE_CUBE_MAP_POSITIVE_Z, // nzCubemapFace_PositiveZ
|
|
GL_TEXTURE_CUBE_MAP_NEGATIVE_Z // nzCubemapFace_NegativeZ
|
|
};
|
|
|
|
GLenum ElementType[nzElementType_Max+1] =
|
|
{
|
|
GL_UNSIGNED_BYTE, // nzElementType_Color
|
|
GL_DOUBLE, // nzElementType_Double1
|
|
GL_DOUBLE, // nzElementType_Double2
|
|
GL_DOUBLE, // nzElementType_Double3
|
|
GL_DOUBLE, // nzElementType_Double4
|
|
GL_FLOAT, // nzElementType_Float1
|
|
GL_FLOAT, // nzElementType_Float2
|
|
GL_FLOAT, // nzElementType_Float3
|
|
GL_FLOAT // nzElementType_Float4
|
|
};
|
|
|
|
GLenum FaceCulling[nzFaceCulling_Max+1] =
|
|
{
|
|
GL_BACK, // nzFaceCulling_Back
|
|
GL_FRONT, // nzFaceCulling_Front
|
|
GL_FRONT_AND_BACK // nzFaceCulling_FrontAndBack
|
|
};
|
|
|
|
GLenum FaceFilling[nzFaceFilling_Max+1] =
|
|
{
|
|
GL_POINT, // nzFaceFilling_Point
|
|
GL_LINE, // nzFaceFilling_Line
|
|
GL_FILL // nzFaceFilling_Fill
|
|
};
|
|
|
|
GLenum PrimitiveType[nzPrimitiveType_Max+1] =
|
|
{
|
|
GL_LINES, // nzPrimitiveType_LineList,
|
|
GL_LINE_STRIP, // nzPrimitiveType_LineStrip,
|
|
GL_POINTS, // nzPrimitiveType_PointList,
|
|
GL_TRIANGLES, // nzPrimitiveType_TriangleList,
|
|
GL_TRIANGLE_STRIP, // nzPrimitiveType_TriangleStrip,
|
|
GL_TRIANGLE_FAN // nzPrimitiveType_TriangleFan
|
|
};
|
|
|
|
GLenum RendererComparison[nzRendererComparison_Max+1] =
|
|
{
|
|
GL_ALWAYS, // nzRendererComparison_Always
|
|
GL_EQUAL, // nzRendererComparison_Equal
|
|
GL_GREATER, // nzRendererComparison_Greater
|
|
GL_GEQUAL, // nzRendererComparison_GreaterOrEqual
|
|
GL_LESS, // nzRendererComparison_Less
|
|
GL_LEQUAL, // nzRendererComparison_LessOrEqual
|
|
GL_NEVER // nzRendererComparison_Never
|
|
};
|
|
|
|
GLenum RendererParameter[nzRendererParameter_Max+1] =
|
|
{
|
|
GL_BLEND, // nzRendererParameter_Blend
|
|
GL_NONE, // nzRendererParameter_ColorWrite
|
|
GL_DEPTH_TEST, // nzRendererParameter_DepthTest
|
|
GL_NONE, // nzRendererParameter_DepthWrite
|
|
GL_CULL_FACE, // nzRendererParameter_FaceCulling
|
|
GL_STENCIL_TEST // nzRendererParameter_Stencil
|
|
};
|
|
|
|
GLenum ShaderType[nzShaderType_Max+1] =
|
|
{
|
|
GL_FRAGMENT_SHADER, // nzShaderType_Fragment
|
|
GL_GEOMETRY_SHADER, // nzShaderType_Geometry
|
|
GL_VERTEX_SHADER // nzShaderType_Vertex
|
|
};
|
|
|
|
GLenum StencilOperation[nzStencilOperation_Max+1] =
|
|
{
|
|
GL_DECR, // nzStencilOperation_Decrement
|
|
GL_DECR_WRAP, // nzStencilOperation_DecrementToSaturation
|
|
GL_INCR, // nzStencilOperation_Increment
|
|
GL_INCR_WRAP, // nzStencilOperation_IncrementToSaturation
|
|
GL_INVERT, // nzStencilOperation_Invert
|
|
GL_KEEP, // nzStencilOperation_Keep
|
|
GL_REPLACE, // nzStencilOperation_Replace
|
|
GL_ZERO // nzStencilOperation_Zero
|
|
};
|
|
|
|
GLenum TextureTarget[nzImageType_Max+1]
|
|
{
|
|
GL_TEXTURE_1D, // nzImageType_1D
|
|
GL_TEXTURE_1D_ARRAY, // nzImageType_1D_Array
|
|
GL_TEXTURE_2D, // nzImageType_2D
|
|
GL_TEXTURE_2D_ARRAY, // nzImageType_2D_Array
|
|
GL_TEXTURE_3D, // nzImageType_3D
|
|
GL_TEXTURE_CUBE_MAP // nzImageType_Cubemap
|
|
};
|
|
|
|
GLenum TextureTargetBinding[nzImageType_Max+1]
|
|
{
|
|
GL_TEXTURE_BINDING_1D, // nzImageType_1D
|
|
GL_TEXTURE_BINDING_1D_ARRAY, // nzImageType_1D_Array
|
|
GL_TEXTURE_BINDING_2D, // nzImageType_2D
|
|
GL_TEXTURE_BINDING_2D_ARRAY, // nzImageType_2D_Array
|
|
GL_TEXTURE_BINDING_3D, // nzImageType_3D
|
|
GL_TEXTURE_BINDING_CUBE_MAP // nzImageType_Cubemap
|
|
};
|
|
|
|
GLenum TextureTargetProxy[nzImageType_Max+1]
|
|
{
|
|
GL_PROXY_TEXTURE_1D, // nzImageType_1D
|
|
GL_PROXY_TEXTURE_1D_ARRAY, // nzImageType_1D_Array
|
|
GL_PROXY_TEXTURE_2D, // nzImageType_2D
|
|
GL_PROXY_TEXTURE_2D_ARRAY, // nzImageType_2D_Array
|
|
GL_PROXY_TEXTURE_3D, // nzImageType_3D
|
|
GL_PROXY_TEXTURE_CUBE_MAP // nzImageType_Cubemap
|
|
};
|
|
}
|
|
|
|
PFNGLACTIVETEXTUREPROC glActiveTexture = nullptr;
|
|
PFNGLATTACHSHADERPROC glAttachShader = nullptr;
|
|
PFNGLBEGINQUERYPROC glBeginQuery = nullptr;
|
|
PFNGLBINDATTRIBLOCATIONPROC glBindAttribLocation = nullptr;
|
|
PFNGLBINDBUFFERPROC glBindBuffer = nullptr;
|
|
PFNGLBINDFRAMEBUFFERPROC glBindFramebuffer = nullptr;
|
|
PFNGLBINDFRAGDATALOCATIONPROC glBindFragDataLocation = nullptr;
|
|
PFNGLBINDRENDERBUFFERPROC glBindRenderbuffer = nullptr;
|
|
PFNGLBINDTEXTUREPROC glBindTexture = nullptr;
|
|
PFNGLBINDVERTEXARRAYPROC glBindVertexArray = nullptr;
|
|
PFNGLBLENDFUNCPROC glBlendFunc = 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;
|
|
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;
|
|
PFNGLDELETESHADERPROC glDeleteShader = nullptr;
|
|
PFNGLDELETETEXTURESPROC glDeleteTextures = nullptr;
|
|
PFNGLDELETEVERTEXARRAYSPROC glDeleteVertexArrays = nullptr;
|
|
PFNGLDEPTHFUNCPROC glDepthFunc = nullptr;
|
|
PFNGLDEPTHMASKPROC glDepthMask = nullptr;
|
|
PFNGLDISABLEPROC glDisable = nullptr;
|
|
PFNGLDISABLEVERTEXATTRIBARRAYPROC glDisableVertexAttribArray = nullptr;
|
|
PFNGLDRAWARRAYSPROC glDrawArrays = nullptr;
|
|
PFNGLDRAWBUFFERPROC glDrawBuffer = nullptr;
|
|
PFNGLDRAWBUFFERSPROC glDrawBuffers = nullptr;
|
|
PFNGLDRAWELEMENTSPROC glDrawElements = 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;
|
|
PFNGLENABLEPROC glEnable = nullptr;
|
|
PFNGLENABLEVERTEXATTRIBARRAYPROC glEnableVertexAttribArray = nullptr;
|
|
PFNGLGENERATEMIPMAPPROC glGenerateMipmap = nullptr;
|
|
PFNGLGENBUFFERSPROC glGenBuffers = nullptr;
|
|
PFNGLGENFRAMEBUFFERSPROC glGenFramebuffers = nullptr;
|
|
PFNGLGENRENDERBUFFERSPROC glGenRenderbuffers = nullptr;
|
|
PFNGLGENQUERIESPROC glGenQueries = nullptr;
|
|
PFNGLGENTEXTURESPROC glGenTextures = nullptr;
|
|
PFNGLGENVERTEXARRAYSPROC glGenVertexArrays = nullptr;
|
|
PFNGLGETBUFFERPARAMETERIVPROC glGetBufferParameteriv = nullptr;
|
|
PFNGLGETDEBUGMESSAGELOGPROC glGetDebugMessageLog = nullptr;
|
|
PFNGLGETERRORPROC glGetError = nullptr;
|
|
PFNGLGETINTEGERVPROC glGetIntegerv = 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;
|
|
PFNGLGETUNIFORMLOCATIONPROC glGetUniformLocation = nullptr;
|
|
PFNGLLINKPROGRAMPROC glLinkProgram = nullptr;
|
|
PFNGLMAPBUFFERPROC glMapBuffer = nullptr;
|
|
PFNGLMAPBUFFERRANGEPROC glMapBufferRange = nullptr;
|
|
PFNGLPIXELSTOREIPROC glPixelStorei = nullptr;
|
|
PFNGLPOLYGONMODEPROC glPolygonMode = nullptr;
|
|
PFNGLPROGRAMUNIFORM1DPROC glProgramUniform1d = nullptr;
|
|
PFNGLPROGRAMUNIFORM1FPROC glProgramUniform1f = nullptr;
|
|
PFNGLPROGRAMUNIFORM1IPROC glProgramUniform1i = nullptr;
|
|
PFNGLPROGRAMUNIFORM2DVPROC glProgramUniform2dv = nullptr;
|
|
PFNGLPROGRAMUNIFORM2FVPROC glProgramUniform2fv = nullptr;
|
|
PFNGLPROGRAMUNIFORM3DVPROC glProgramUniform3dv = nullptr;
|
|
PFNGLPROGRAMUNIFORM3FVPROC glProgramUniform3fv = nullptr;
|
|
PFNGLPROGRAMUNIFORM4DVPROC glProgramUniform4dv = nullptr;
|
|
PFNGLPROGRAMUNIFORM4FVPROC glProgramUniform4fv = nullptr;
|
|
PFNGLPROGRAMUNIFORMMATRIX4DVPROC glProgramUniformMatrix4dv = nullptr;
|
|
PFNGLPROGRAMUNIFORMMATRIX4FVPROC glProgramUniformMatrix4fv = nullptr;
|
|
PFNGLREADPIXELSPROC glReadPixels = nullptr;
|
|
PFNGLRENDERBUFFERSTORAGEPROC glRenderbufferStorage = nullptr;
|
|
PFNGLSCISSORPROC glScissor = nullptr;
|
|
PFNGLSHADERSOURCEPROC glShaderSource = nullptr;
|
|
PFNGLSTENCILFUNCPROC glStencilFunc = nullptr;
|
|
PFNGLSTENCILOPPROC glStencilOp = 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;
|
|
PFNGLUNIFORM2DVPROC glUniform2dv = nullptr;
|
|
PFNGLUNIFORM2FVPROC glUniform2fv = nullptr;
|
|
PFNGLUNIFORM3DVPROC glUniform3dv = nullptr;
|
|
PFNGLUNIFORM3FVPROC glUniform3fv = nullptr;
|
|
PFNGLUNIFORM4DVPROC glUniform4dv = nullptr;
|
|
PFNGLUNIFORM4FVPROC glUniform4fv = nullptr;
|
|
PFNGLUNIFORMMATRIX4DVPROC glUniformMatrix4dv = nullptr;
|
|
PFNGLUNIFORMMATRIX4FVPROC glUniformMatrix4fv = nullptr;
|
|
PFNGLUNMAPBUFFERPROC glUnmapBuffer = nullptr;
|
|
PFNGLUSEPROGRAMPROC glUseProgram = nullptr;
|
|
PFNGLVERTEXATTRIB4FPROC glVertexAttrib4f = nullptr;
|
|
PFNGLVERTEXATTRIBPOINTERPROC glVertexAttribPointer = nullptr;
|
|
PFNGLVIEWPORTPROC glViewport = nullptr;
|
|
#if defined(NAZARA_PLATFORM_WINDOWS)
|
|
PFNWGLCHOOSEPIXELFORMATARBPROC wglChoosePixelFormat = nullptr;
|
|
PFNWGLCREATECONTEXTATTRIBSARBPROC wglCreateContextAttribs = nullptr;
|
|
PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetExtensionsStringARB = nullptr;
|
|
PFNWGLGETEXTENSIONSSTRINGEXTPROC wglGetExtensionsStringEXT = nullptr;
|
|
PFNWGLSWAPINTERVALEXTPROC wglSwapInterval = nullptr;
|
|
#elif defined(NAZARA_PLATFORM_LINUX)
|
|
PFNGLXCREATECONTEXTATTRIBSARBPROC glXCreateContextAttribs = nullptr;
|
|
PFNGLXSWAPINTERVALSGIPROC glXSwapInterval = nullptr;
|
|
#endif
|