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/****************************************************************************
**
** 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.
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** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License versions 2.0 or 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
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** http://www.gnu.org/copyleft/gpl.html. In addition, as a special
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** are described in the Nokia Qt GPL Exception version 1.3, included in
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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(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
Copyright © 2009 Nokia Corporation and/or its subsidiary(-ies) | Trademarks | Qt 4.5.0-rc1 |