dolphin/Source/Core/VideoBackends/OGL/PerfQuery.h
2013-12-31 14:03:19 -05:00

47 lines
928 B
C++

#ifndef _PERFQUERY_H_
#define _PERFQUERY_H_
#include "PerfQueryBase.h"
namespace OGL {
class PerfQuery : public PerfQueryBase
{
public:
PerfQuery();
~PerfQuery();
void EnableQuery(PerfQueryGroup type) override;
void DisableQuery(PerfQueryGroup type) override;
void ResetQuery() override;
u32 GetQueryResult(PerfQueryType type) override;
void FlushResults() override;
bool IsFlushed() const;
private:
struct ActiveQuery
{
GLuint query_id;
PerfQueryGroup query_type;
};
// when testing in SMS: 64 was too small, 128 was ok
static const u32 PERF_QUERY_BUFFER_SIZE = 512;
void WeakFlush();
// Only use when non-empty
void FlushOne();
// This contains gl query objects with unretrieved results.
ActiveQuery m_query_buffer[PERF_QUERY_BUFFER_SIZE];
u32 m_query_read_pos;
// TODO: sloppy
volatile u32 m_query_count;
volatile u32 m_results[PQG_NUM_MEMBERS];
};
} // namespace
#endif // _PERFQUERY_H_