| /**************************************************************************** |
| ** |
| ** Copyright (C) 2013 Klaralvdalens Datakonsult AB (KDAB). |
| ** Contact: http://www.qt.io/licensing/ |
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| ** This file is part of the QtGui module of the Qt Toolkit. |
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| ****************************************************************************/ |
| |
| #ifndef QOPENGLQUERYHELPER_P_H |
| #define QOPENGLQUERYHELPER_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtCore/qglobal.h> |
| |
| #if !defined(QT_OPENGL_ES_2) |
| |
| #include <QtGui/QOpenGLContext> |
| |
| QT_BEGIN_NAMESPACE |
| |
| // Helper class used by QOpenGLTimerQuery and later will be used by |
| // QOpenGLOcclusionQuery |
| class QOpenGLQueryHelper |
| { |
| public: |
| QOpenGLQueryHelper(QOpenGLContext *context) |
| : GetQueryObjectuiv(0), |
| GetQueryObjectiv(0), |
| GetQueryiv(0), |
| EndQuery(0), |
| BeginQuery(0), |
| IsQuery(0), |
| DeleteQueries(0), |
| GenQueries(0), |
| GetInteger64v(0), |
| GetQueryObjectui64v(0), |
| GetQueryObjecti64v(0), |
| QueryCounter(0) |
| { |
| Q_ASSERT(context); |
| |
| // Core in OpenGL >=1.5 |
| GetQueryObjectuiv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLuint *)>(context->getProcAddress("glGetQueryObjectuiv")); |
| GetQueryObjectiv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLint *)>(context->getProcAddress("glGetQueryObjectiv")); |
| GetQueryiv = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLenum , GLint *)>(context->getProcAddress("glGetQueryiv")); |
| EndQuery = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum )>(context->getProcAddress("glEndQuery")); |
| BeginQuery = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLuint )>(context->getProcAddress("glBeginQuery")); |
| IsQuery = reinterpret_cast<GLboolean (QOPENGLF_APIENTRYP)(GLuint )>(context->getProcAddress("glIsQuery")); |
| DeleteQueries = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLsizei , const GLuint *)>(context->getProcAddress("glDeleteQueries")); |
| GenQueries = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLsizei , GLuint *)>(context->getProcAddress("glGenQueries")); |
| |
| // Core in OpenGL >=3.2 |
| GetInteger64v = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLenum , GLint64 *)>(context->getProcAddress("glGetInteger64v")); |
| |
| // Core in OpenGL >=3.3 / ARB_timer_query |
| GetQueryObjectui64v = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLuint64 *)>(context->getProcAddress("glGetQueryObjectui64v")); |
| GetQueryObjecti64v = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum , GLint64 *)>(context->getProcAddress("glGetQueryObjecti64v")); |
| QueryCounter = reinterpret_cast<void (QOPENGLF_APIENTRYP)(GLuint , GLenum )>(context->getProcAddress("glQueryCounter")); |
| } |
| |
| inline void glGetQueryObjectuiv(GLuint id, GLenum pname, GLuint *params) |
| { |
| GetQueryObjectuiv(id, pname, params); |
| } |
| |
| inline void glGetQueryObjectiv(GLuint id, GLenum pname, GLint *params) |
| { |
| GetQueryObjectiv(id, pname, params); |
| } |
| |
| inline void glGetQueryiv(GLenum target, GLenum pname, GLint *params) |
| { |
| GetQueryiv(target, pname, params); |
| } |
| |
| inline void glEndQuery(GLenum target) |
| { |
| EndQuery(target); |
| } |
| |
| inline void glBeginQuery(GLenum target, GLuint id) |
| { |
| BeginQuery(target, id); |
| } |
| |
| inline GLboolean glIsQuery(GLuint id) |
| { |
| return IsQuery(id); |
| } |
| |
| inline void glDeleteQueries(GLsizei n, const GLuint *ids) |
| { |
| DeleteQueries(n, ids); |
| } |
| |
| inline void glGenQueries(GLsizei n, GLuint *ids) |
| { |
| GenQueries(n, ids); |
| } |
| |
| inline void glGetInteger64v(GLenum pname, GLint64 *params) |
| { |
| GetInteger64v(pname, params); |
| } |
| |
| inline void glGetQueryObjectui64v(GLuint id, GLenum pname, GLuint64 *params) |
| { |
| GetQueryObjectui64v(id, pname, params); |
| } |
| |
| inline void glGetQueryObjecti64v(GLuint id, GLenum pname, GLint64 *params) |
| { |
| GetQueryObjecti64v(id, pname, params); |
| } |
| |
| inline void glQueryCounter(GLuint id, GLenum target) |
| { |
| QueryCounter(id, target); |
| } |
| |
| private: |
| // Core in OpenGL >=1.5 |
| void (QOPENGLF_APIENTRYP GetQueryObjectuiv)(GLuint id, GLenum pname, GLuint *params); |
| void (QOPENGLF_APIENTRYP GetQueryObjectiv)(GLuint id, GLenum pname, GLint *params); |
| void (QOPENGLF_APIENTRYP GetQueryiv)(GLenum target, GLenum pname, GLint *params); |
| void (QOPENGLF_APIENTRYP EndQuery)(GLenum target); |
| void (QOPENGLF_APIENTRYP BeginQuery)(GLenum target, GLuint id); |
| GLboolean (QOPENGLF_APIENTRYP IsQuery)(GLuint id); |
| void (QOPENGLF_APIENTRYP DeleteQueries)(GLsizei n, const GLuint *ids); |
| void (QOPENGLF_APIENTRYP GenQueries)(GLsizei n, GLuint *ids); |
| |
| // Core in OpenGL >=3.2 |
| void (QOPENGLF_APIENTRYP GetInteger64v)(GLenum pname, GLint64 *params); |
| |
| // Core in OpenGL >=3.3 and provided by ARB_timer_query |
| void (QOPENGLF_APIENTRYP GetQueryObjectui64v)(GLuint id, GLenum pname, GLuint64 *params); |
| void (QOPENGLF_APIENTRYP GetQueryObjecti64v)(GLuint id, GLenum pname, GLint64 *params); |
| void (QOPENGLF_APIENTRYP QueryCounter)(GLuint id, GLenum target); |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif |
| |
| #endif // QOPENGLQUERYHELPER_P_H |