| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the demonstration applications of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:BSD$ |
| ** Commercial License Usage |
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| ** BSD License Usage |
| ** Alternatively, you may use this file under the terms of the BSD license |
| ** as follows: |
| ** |
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| ** modification, are permitted provided that the following conditions are |
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| ****************************************************************************/ |
| |
| #include "glextensions.h" |
| |
| #define RESOLVE_GL_FUNC(f) ok &= bool((f = (_gl##f) context->getProcAddress(QLatin1String("gl" #f)))); |
| |
| bool GLExtensionFunctions::resolve(const QGLContext *context) |
| { |
| bool ok = true; |
| |
| RESOLVE_GL_FUNC(GenFramebuffersEXT) |
| RESOLVE_GL_FUNC(GenRenderbuffersEXT) |
| RESOLVE_GL_FUNC(BindRenderbufferEXT) |
| RESOLVE_GL_FUNC(RenderbufferStorageEXT) |
| RESOLVE_GL_FUNC(DeleteFramebuffersEXT) |
| RESOLVE_GL_FUNC(DeleteRenderbuffersEXT) |
| RESOLVE_GL_FUNC(BindFramebufferEXT) |
| RESOLVE_GL_FUNC(FramebufferTexture2DEXT) |
| RESOLVE_GL_FUNC(FramebufferRenderbufferEXT) |
| RESOLVE_GL_FUNC(CheckFramebufferStatusEXT) |
| |
| RESOLVE_GL_FUNC(ActiveTexture) |
| RESOLVE_GL_FUNC(TexImage3D) |
| |
| RESOLVE_GL_FUNC(GenBuffers) |
| RESOLVE_GL_FUNC(BindBuffer) |
| RESOLVE_GL_FUNC(BufferData) |
| RESOLVE_GL_FUNC(DeleteBuffers) |
| RESOLVE_GL_FUNC(MapBuffer) |
| RESOLVE_GL_FUNC(UnmapBuffer) |
| |
| return ok; |
| } |
| |
| bool GLExtensionFunctions::fboSupported() { |
| return GenFramebuffersEXT |
| && GenRenderbuffersEXT |
| && BindRenderbufferEXT |
| && RenderbufferStorageEXT |
| && DeleteFramebuffersEXT |
| && DeleteRenderbuffersEXT |
| && BindFramebufferEXT |
| && FramebufferTexture2DEXT |
| && FramebufferRenderbufferEXT |
| && CheckFramebufferStatusEXT; |
| } |
| |
| bool GLExtensionFunctions::openGL15Supported() { |
| return ActiveTexture |
| && TexImage3D |
| && GenBuffers |
| && BindBuffer |
| && BufferData |
| && DeleteBuffers |
| && MapBuffer |
| && UnmapBuffer; |
| } |
| |
| #undef RESOLVE_GL_FUNC |