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//-----------------------------------------------------------------------------
// Name: intel_gl_perf.h
// Developer: Wolfire Games LLC
// Description:
// License: Read below
//-----------------------------------------------------------------------------
//
// Copyright 2022 Wolfire Games LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
//-----------------------------------------------------------------------------
#pragma once
#ifdef INTEL_TIMING
#include <Internal/integer.h>
#include <Utility/disallow_copy_and_assign.h>
#include <opengl.h>
#include <vector>
#include <map>
#include <queue>
#include <string>
#include <stack>
//const char IntelGLPerf_basic_counters_name[] = "Intel_HD_MD_Render_Basic_Hardware_Counters";
//const char* IntelGLPerf_basic_counters[] = {"GpuTime", NULL};
const int kIntelGLPerf_TypeId_Standard = 1;
struct IntelGLPerfQuery
{
std::string name;
int type_id;
GLuint id;
GLuint size;
};
struct IntelGLPerfQueryCounter
{
GLuint query_id;
std::string name;
GLuint id;
GLuint offset;
GLenum data_type;
GLuint size;
};
class IntelGLPerfRequest {
public:
IntelGLPerfRequest( std::string query_name, int type_id, std::vector<std::string> query_counter_names );
std::string query_name;
int type_id;
std::vector<std::string> query_counter_names;
};
struct PerfInstance {
GLuint instance_id;
GLuint query_id;
int group;
const char* file;
int line;
};
class IntelGLPerf {
bool perf_available;
char* data_dest;
std::vector<IntelGLPerfRequest> perf_requests;
std::vector<IntelGLPerfQuery> queries;
std::vector<IntelGLPerfQueryCounter> query_counters;
std::map<std::string,GLuint> active_query_handles;
std::vector<PerfInstance> perf_query_instances;
GLuint max_query_size;
std::stack<GLuint> query_handle_stack;
std::ofstream csv_output;
public:
IntelGLPerf();
~IntelGLPerf();
void Init();
void Finalize();
void PerfGPUBegin(int type, int group, const char* file, const int line);
void PerfGPUEnd( );
void PostFrameSwap();
};
extern IntelGLPerf* intelGLTiming;
#define INTEL_GL_PERF_INIT( ) \
intelGLTiming->Init()
#define INTEL_GL_PERF_START( ) \
if( intelGLTiming ) intelGLTiming->PerfGPUBegin( kIntelGLPerf_TypeId_Standard, 0, __FILE__, __LINE__ )
#define INTEL_GL_PERF_END( ) \
if( intelGLTiming ) intelGLTiming->PerfGPUEnd()
#define INTEL_GL_PERF_SWAP() \
intelGLTiming->PostFrameSwap()
#define INTEL_GL_PERF_FINALIZE() \
intelGLTiming->Finalize()
#else
#define INTEL_GL_PERF_INIT()
#define INTEL_GL_PERF_START( )
#define INTEL_GL_PERF_END( )
#define INTEL_GL_PERF_SWAP()
#define INTEL_GL_PERF_FINALIZE()
#endif
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