64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file glTimerQueryContext_src.h
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* @author rdb
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* @date 2014-08-22
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*/
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#include "pandabase.h"
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#include "timerQueryContext.h"
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#include "deletedChain.h"
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#include "clockObject.h"
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class GraphicsStateGuardian;
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#ifndef OPENGLES // Timer queries not supported by OpenGL ES.
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/**
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* This class manages a timer query that can be used by a PStatGPUTimer to
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* measure the time a task takes to execute on the GPU. This records the
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* current timestamp; a pair of these is usually used to get the elapsed time.
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*/
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class EXPCL_GL CLP(TimerQueryContext) : public TimerQueryContext {
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public:
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INLINE CLP(TimerQueryContext)(CLP(GraphicsStateGuardian) *glgsg,
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int pstats_index);
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virtual ~CLP(TimerQueryContext)();
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ALLOC_DELETED_CHAIN(CLP(TimerQueryContext));
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virtual bool is_answer_ready() const;
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virtual void waiting_for_answer();
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virtual double get_timestamp() const;
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GLuint _index;
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WPT(CLP(GraphicsStateGuardian)) _glgsg;
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public:
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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TimerQueryContext::init_type();
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register_type(_type_handle, CLASSPREFIX_QUOTED "TimerQueryContext",
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TimerQueryContext::get_class_type());
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}
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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private:
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static TypeHandle _type_handle;
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};
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#include "glTimerQueryContext_src.I"
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#endif // OPENGLES
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