1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2013 Klaralvdalens Datakonsult AB (KDAB). 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtGui module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QOPENGLQUERYHELPER_P_H 41 #define QOPENGLQUERYHELPER_P_H 42 43 // 44 // W A R N I N G 45 // ------------- 46 // 47 // This file is not part of the Qt API. It exists purely as an 48 // implementation detail. This header file may change from version to 49 // version without notice, or even be removed. 50 // 51 // We mean it. 52 // 53 54 #include <QtGui/private/qtguiglobal_p.h> 55 56 #if !defined(QT_OPENGL_ES_2) 57 58 #include <QtGui/QOpenGLContext> 59 60 QT_BEGIN_NAMESPACE 61 62 // Helper class used by QOpenGLTimerQuery and later will be used by 63 // QOpenGLOcclusionQuery 64 class QOpenGLQueryHelper 65 { 66 public: QOpenGLQueryHelper(QOpenGLContext * context)67 QOpenGLQueryHelper(QOpenGLContext *context) 68 : GetQueryObjectuiv(nullptr), 69 GetQueryObjectiv(nullptr), 70 GetQueryiv(nullptr), 71 EndQuery(nullptr), 72 BeginQuery(nullptr), 73 IsQuery(nullptr), 74 DeleteQueries(nullptr), 75 GenQueries(nullptr), 76 GetInteger64v(nullptr), 77 GetQueryObjectui64v(nullptr), 78 GetQueryObjecti64v(nullptr), 79 QueryCounter(nullptr) 80 { 81 Q_ASSERT(context); 82 83 // Core in OpenGL >=1.5 84 GetQueryObjectuiv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLuint *)>(context->getProcAddress("glGetQueryObjectuiv")); 85 GetQueryObjectiv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLint *)>(context->getProcAddress("glGetQueryObjectiv")); 86 GetQueryiv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLenum , GLint *)>(context->getProcAddress("glGetQueryiv")); 87 EndQuery = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum )>(context->getProcAddress("glEndQuery")); 88 BeginQuery = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLuint )>(context->getProcAddress("glBeginQuery")); 89 IsQuery = reinterpret_cast<GLboolean (QOPENGLF_APIENTRYP)(GLuint )>(context->getProcAddress("glIsQuery")); 90 DeleteQueries = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLsizei , const GLuint *)>(context->getProcAddress("glDeleteQueries")); 91 GenQueries = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLsizei , GLuint *)>(context->getProcAddress("glGenQueries")); 92 93 // Core in OpenGL >=3.2 94 GetInteger64v = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint64 *)>(context->getProcAddress("glGetInteger64v")); 95 96 // Core in OpenGL >=3.3 / ARB_timer_query 97 GetQueryObjectui64v = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLuint64 *)>(context->getProcAddress("glGetQueryObjectui64v")); 98 GetQueryObjecti64v = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLint64 *)>(context->getProcAddress("glGetQueryObjecti64v")); 99 QueryCounter = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum )>(context->getProcAddress("glQueryCounter")); 100 } 101 glGetQueryObjectuiv(GLuint id,GLenum pname,GLuint * params)102 inline void glGetQueryObjectuiv(GLuint id, GLenum pname, GLuint *params) 103 { 104 GetQueryObjectuiv(id, pname, params); 105 } 106 glGetQueryObjectiv(GLuint id,GLenum pname,GLint * params)107 inline void glGetQueryObjectiv(GLuint id, GLenum pname, GLint *params) 108 { 109 GetQueryObjectiv(id, pname, params); 110 } 111 glGetQueryiv(GLenum target,GLenum pname,GLint * params)112 inline void glGetQueryiv(GLenum target, GLenum pname, GLint *params) 113 { 114 GetQueryiv(target, pname, params); 115 } 116 glEndQuery(GLenum target)117 inline void glEndQuery(GLenum target) 118 { 119 EndQuery(target); 120 } 121 glBeginQuery(GLenum target,GLuint id)122 inline void glBeginQuery(GLenum target, GLuint id) 123 { 124 BeginQuery(target, id); 125 } 126 glIsQuery(GLuint id)127 inline GLboolean glIsQuery(GLuint id) 128 { 129 return IsQuery(id); 130 } 131 glDeleteQueries(GLsizei n,const GLuint * ids)132 inline void glDeleteQueries(GLsizei n, const GLuint *ids) 133 { 134 DeleteQueries(n, ids); 135 } 136 glGenQueries(GLsizei n,GLuint * ids)137 inline void glGenQueries(GLsizei n, GLuint *ids) 138 { 139 GenQueries(n, ids); 140 } 141 glGetInteger64v(GLenum pname,GLint64 * params)142 inline void glGetInteger64v(GLenum pname, GLint64 *params) 143 { 144 GetInteger64v(pname, params); 145 } 146 glGetQueryObjectui64v(GLuint id,GLenum pname,GLuint64 * params)147 inline void glGetQueryObjectui64v(GLuint id, GLenum pname, GLuint64 *params) 148 { 149 GetQueryObjectui64v(id, pname, params); 150 } 151 glGetQueryObjecti64v(GLuint id,GLenum pname,GLint64 * params)152 inline void glGetQueryObjecti64v(GLuint id, GLenum pname, GLint64 *params) 153 { 154 GetQueryObjecti64v(id, pname, params); 155 } 156 glQueryCounter(GLuint id,GLenum target)157 inline void glQueryCounter(GLuint id, GLenum target) 158 { 159 QueryCounter(id, target); 160 } 161 162 private: 163 // Core in OpenGL >=1.5 164 void (QOPENGLF_APIENTRYP GetQueryObjectuiv)(GLuint id, GLenum pname, GLuint *params); 165 void (QOPENGLF_APIENTRYP GetQueryObjectiv)(GLuint id, GLenum pname, GLint *params); 166 void (QOPENGLF_APIENTRYP GetQueryiv)(GLenum target, GLenum pname, GLint *params); 167 void (QOPENGLF_APIENTRYP EndQuery)(GLenum target); 168 void (QOPENGLF_APIENTRYP BeginQuery)(GLenum target, GLuint id); 169 GLboolean (QOPENGLF_APIENTRYP IsQuery)(GLuint id); 170 void (QOPENGLF_APIENTRYP DeleteQueries)(GLsizei n, const GLuint *ids); 171 void (QOPENGLF_APIENTRYP GenQueries)(GLsizei n, GLuint *ids); 172 173 // Core in OpenGL >=3.2 174 void (QOPENGLF_APIENTRYP GetInteger64v)(GLenum pname, GLint64 *params); 175 176 // Core in OpenGL >=3.3 and provided by ARB_timer_query 177 void (QOPENGLF_APIENTRYP GetQueryObjectui64v)(GLuint id, GLenum pname, GLuint64 *params); 178 void (QOPENGLF_APIENTRYP GetQueryObjecti64v)(GLuint id, GLenum pname, GLint64 *params); 179 void (QOPENGLF_APIENTRYP QueryCounter)(GLuint id, GLenum target); 180 }; 181 182 QT_END_NAMESPACE 183 184 #endif 185 186 #endif // QOPENGLQUERYHELPER_P_H 187