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Diffstat (limited to 'demos/boxes/glextensions.cpp')
| -rw-r--r-- | demos/boxes/glextensions.cpp | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/demos/boxes/glextensions.cpp b/demos/boxes/glextensions.cpp new file mode 100644 index 0000000..59256a8 --- /dev/null +++ b/demos/boxes/glextensions.cpp @@ -0,0 +1,135 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the demonstration applications of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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(CreateShaderObjectARB) + RESOLVE_GL_FUNC(ShaderSourceARB) + RESOLVE_GL_FUNC(CompileShaderARB) + RESOLVE_GL_FUNC(GetObjectParameterivARB) + RESOLVE_GL_FUNC(DeleteObjectARB) + RESOLVE_GL_FUNC(GetInfoLogARB) + RESOLVE_GL_FUNC(CreateProgramObjectARB) + RESOLVE_GL_FUNC(AttachObjectARB) + RESOLVE_GL_FUNC(DetachObjectARB) + RESOLVE_GL_FUNC(LinkProgramARB) + RESOLVE_GL_FUNC(UseProgramObjectARB) + RESOLVE_GL_FUNC(GetUniformLocationARB) + RESOLVE_GL_FUNC(Uniform1iARB) + RESOLVE_GL_FUNC(Uniform1fARB) + RESOLVE_GL_FUNC(Uniform4fARB) + RESOLVE_GL_FUNC(UniformMatrix4fvARB) + + 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::glslSupported() { + return CreateShaderObjectARB + && CreateShaderObjectARB + && ShaderSourceARB + && CompileShaderARB + && GetObjectParameterivARB + && DeleteObjectARB + && GetInfoLogARB + && CreateProgramObjectARB + && AttachObjectARB + && DetachObjectARB + && LinkProgramARB + && UseProgramObjectARB + && GetUniformLocationARB + && Uniform1iARB + && Uniform1fARB + && Uniform4fARB + && UniformMatrix4fvARB; +} + +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 |