53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
/**
|
|
* PANDA 3D SOFTWARE
|
|
* Copyright (c) Carnegie Mellon University. All rights reserved.
|
|
*
|
|
* All use of this software is subject to the terms of the revised BSD
|
|
* license. You should have received a copy of this license along
|
|
* with this source code in a file named "LICENSE."
|
|
*
|
|
* @file glLatencyQueryContext_src.h
|
|
* @author rdb
|
|
* @date 2014-09-24
|
|
*/
|
|
|
|
class GraphicsStateGuardian;
|
|
|
|
#ifndef OPENGLES // Timer queries not supported by OpenGL ES.
|
|
|
|
/**
|
|
* This is a special variant of GLTimerQueryContext that measures the command
|
|
* latency, ie. the time it takes for the GPU to actually get to the commands
|
|
* we are issuing right now.
|
|
*/
|
|
class EXPCL_GL CLP(LatencyQueryContext) : public CLP(TimerQueryContext) {
|
|
public:
|
|
CLP(LatencyQueryContext)(CLP(GraphicsStateGuardian) *glgsg, int pstats_index);
|
|
|
|
ALLOC_DELETED_CHAIN(CLP(LatencyQueryContext));
|
|
|
|
virtual double get_timestamp() const;
|
|
|
|
GLint64 _timestamp;
|
|
|
|
public:
|
|
static TypeHandle get_class_type() {
|
|
return _type_handle;
|
|
}
|
|
static void init_type() {
|
|
CLP(TimerQueryContext)::init_type();
|
|
register_type(_type_handle, CLASSPREFIX_QUOTED "LatencyQueryContext",
|
|
CLP(TimerQueryContext)::get_class_type());
|
|
}
|
|
virtual TypeHandle get_type() const {
|
|
return get_class_type();
|
|
}
|
|
virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
|
|
|
|
private:
|
|
static TypeHandle _type_handle;
|
|
};
|
|
|
|
#include "glLatencyQueryContext_src.I"
|
|
|
|
#endif // OPENGLES
|