| 1 | /****************************************************************************
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| 2 | **
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| 3 | ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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| 4 | ** Contact: Qt Software Information (qt-info@nokia.com)
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| 5 | **
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| 6 | ** This file is part of the demonstration applications of the Qt Toolkit.
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| 7 | **
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| 8 | ** $QT_BEGIN_LICENSE:LGPL$
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| 9 | ** Commercial Usage
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| 10 | ** Licensees holding valid Qt Commercial licenses may use this file in
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| 11 | ** accordance with the Qt Commercial License Agreement provided with the
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| 12 | ** Software or, alternatively, in accordance with the terms contained in
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| 13 | ** a written agreement between you and Nokia.
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| 14 | **
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| 15 | ** GNU Lesser General Public License Usage
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| 16 | ** Alternatively, this file may be used under the terms of the GNU Lesser
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| 17 | ** General Public License version 2.1 as published by the Free Software
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| 18 | ** Foundation and appearing in the file LICENSE.LGPL included in the
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| 19 | ** packaging of this file. Please review the following information to
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| 20 | ** ensure the GNU Lesser General Public License version 2.1 requirements
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| 21 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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| 22 | **
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| 23 | ** In addition, as a special exception, Nokia gives you certain
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| 24 | ** additional rights. These rights are described in the Nokia Qt LGPL
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| 25 | ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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| 26 | ** package.
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| 27 | **
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| 28 | ** GNU General Public License Usage
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| 29 | ** Alternatively, this file may be used under the terms of the GNU
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| 30 | ** General Public License version 3.0 as published by the Free Software
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| 31 | ** Foundation and appearing in the file LICENSE.GPL included in the
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| 32 | ** packaging of this file. Please review the following information to
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| 33 | ** ensure the GNU General Public License version 3.0 requirements will be
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| 34 | ** met: http://www.gnu.org/copyleft/gpl.html.
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| 35 | **
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| 36 | ** If you are unsure which license is appropriate for your use, please
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| 37 | ** contact the sales department at qt-sales@nokia.com.
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| 38 | ** $QT_END_LICENSE$
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| 39 | **
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| 40 | ****************************************************************************/
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| 41 |
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| 42 | #include "glextensions.h"
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| 43 |
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| 44 | #define RESOLVE_GL_FUNC(f) ok &= bool((f = (_gl##f) context->getProcAddress(QLatin1String("gl" #f))));
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| 45 |
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| 46 | bool GLExtensionFunctions::resolve(const QGLContext *context)
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| 47 | {
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| 48 | bool ok = true;
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| 49 |
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| 50 | RESOLVE_GL_FUNC(CreateShaderObjectARB)
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| 51 | RESOLVE_GL_FUNC(ShaderSourceARB)
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| 52 | RESOLVE_GL_FUNC(CompileShaderARB)
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| 53 | RESOLVE_GL_FUNC(GetObjectParameterivARB)
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| 54 | RESOLVE_GL_FUNC(DeleteObjectARB)
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| 55 | RESOLVE_GL_FUNC(GetInfoLogARB)
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| 56 | RESOLVE_GL_FUNC(CreateProgramObjectARB)
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| 57 | RESOLVE_GL_FUNC(AttachObjectARB)
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| 58 | RESOLVE_GL_FUNC(DetachObjectARB)
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| 59 | RESOLVE_GL_FUNC(LinkProgramARB)
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| 60 | RESOLVE_GL_FUNC(UseProgramObjectARB)
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| 61 | RESOLVE_GL_FUNC(GetUniformLocationARB)
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| 62 | RESOLVE_GL_FUNC(Uniform1iARB)
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| 63 | RESOLVE_GL_FUNC(Uniform1fARB)
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| 64 | RESOLVE_GL_FUNC(Uniform4fARB)
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| 65 | RESOLVE_GL_FUNC(UniformMatrix4fvARB)
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| 66 |
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| 67 | RESOLVE_GL_FUNC(GenFramebuffersEXT)
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| 68 | RESOLVE_GL_FUNC(GenRenderbuffersEXT)
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| 69 | RESOLVE_GL_FUNC(BindRenderbufferEXT)
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| 70 | RESOLVE_GL_FUNC(RenderbufferStorageEXT)
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| 71 | RESOLVE_GL_FUNC(DeleteFramebuffersEXT)
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| 72 | RESOLVE_GL_FUNC(DeleteRenderbuffersEXT)
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| 73 | RESOLVE_GL_FUNC(BindFramebufferEXT)
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| 74 | RESOLVE_GL_FUNC(FramebufferTexture2DEXT)
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| 75 | RESOLVE_GL_FUNC(FramebufferRenderbufferEXT)
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| 76 | RESOLVE_GL_FUNC(CheckFramebufferStatusEXT)
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| 77 |
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| 78 | RESOLVE_GL_FUNC(ActiveTexture)
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| 79 | RESOLVE_GL_FUNC(TexImage3D)
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| 80 |
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| 81 | RESOLVE_GL_FUNC(GenBuffers)
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| 82 | RESOLVE_GL_FUNC(BindBuffer)
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| 83 | RESOLVE_GL_FUNC(BufferData)
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| 84 | RESOLVE_GL_FUNC(DeleteBuffers)
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| 85 | RESOLVE_GL_FUNC(MapBuffer)
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| 86 | RESOLVE_GL_FUNC(UnmapBuffer)
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| 87 |
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| 88 | return ok;
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| 89 | }
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| 90 |
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| 91 | bool GLExtensionFunctions::glslSupported() {
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| 92 | return CreateShaderObjectARB
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| 93 | && CreateShaderObjectARB
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| 94 | && ShaderSourceARB
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| 95 | && CompileShaderARB
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| 96 | && GetObjectParameterivARB
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| 97 | && DeleteObjectARB
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| 98 | && GetInfoLogARB
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| 99 | && CreateProgramObjectARB
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| 100 | && AttachObjectARB
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| 101 | && DetachObjectARB
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| 102 | && LinkProgramARB
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| 103 | && UseProgramObjectARB
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| 104 | && GetUniformLocationARB
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| 105 | && Uniform1iARB
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| 106 | && Uniform1fARB
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| 107 | && Uniform4fARB
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| 108 | && UniformMatrix4fvARB;
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| 109 | }
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| 110 |
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| 111 | bool GLExtensionFunctions::fboSupported() {
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| 112 | return GenFramebuffersEXT
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| 113 | && GenRenderbuffersEXT
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| 114 | && BindRenderbufferEXT
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| 115 | && RenderbufferStorageEXT
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| 116 | && DeleteFramebuffersEXT
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| 117 | && DeleteRenderbuffersEXT
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| 118 | && BindFramebufferEXT
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| 119 | && FramebufferTexture2DEXT
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| 120 | && FramebufferRenderbufferEXT
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| 121 | && CheckFramebufferStatusEXT;
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| 122 | }
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| 123 |
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| 124 | bool GLExtensionFunctions::openGL15Supported() {
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| 125 | return ActiveTexture
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| 126 | && TexImage3D
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| 127 | && GenBuffers
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| 128 | && BindBuffer
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| 129 | && BufferData
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| 130 | && DeleteBuffers
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| 131 | && MapBuffer
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| 132 | && UnmapBuffer;
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| 133 | }
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| 134 |
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| 135 | #undef RESOLVE_GL_FUNC
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