dolphin/Source/Plugins/Plugin_VideoOGL/Src/PerfQuery.cpp

134 lines
2.7 KiB
C++

#include "RenderBase.h"
#include "GLUtil.h"
#include "PerfQuery.h"
namespace OGL
{
PerfQuery::PerfQuery()
: m_query_read_pos()
, m_query_count()
{
for (u32 i = 0; i != ARRAYSIZE(m_query_buffer); ++i)
glGenQueries(1, &m_query_buffer[i].query_id);
ResetQuery();
}
PerfQuery::~PerfQuery()
{
for (u32 i = 0; i != ARRAYSIZE(m_query_buffer); ++i)
glDeleteQueries(1, &m_query_buffer[i].query_id);
}
void PerfQuery::EnableQuery(PerfQueryGroup type)
{
// Is this sane?
if (m_query_count > ARRAYSIZE(m_query_buffer) / 2)
WeakFlush();
if (ARRAYSIZE(m_query_buffer) == m_query_count)
{
FlushOne();
//ERROR_LOG(VIDEO, "Flushed query buffer early!");
}
// start query
if (type == PQG_ZCOMP_ZCOMPLOC || type == PQG_ZCOMP)
{
auto& entry = m_query_buffer[(m_query_read_pos + m_query_count) % ARRAYSIZE(m_query_buffer)];
glBeginQuery(GL_SAMPLES_PASSED, entry.query_id);
entry.query_type = type;
++m_query_count;
}
}
void PerfQuery::DisableQuery(PerfQueryGroup type)
{
// stop query
if (type == PQG_ZCOMP_ZCOMPLOC || type == PQG_ZCOMP)
{
glEndQuery(GL_SAMPLES_PASSED);
}
}
bool PerfQuery::IsFlushed() const
{
return 0 == m_query_count;
}
void PerfQuery::FlushOne()
{
auto& entry = m_query_buffer[m_query_read_pos];
GLuint result = 0;
glGetQueryObjectuiv(entry.query_id, GL_QUERY_RESULT, &result);
// NOTE: Reported pixel metrics should be referenced to native resolution
m_results[entry.query_type] += (u64)result * EFB_WIDTH / g_renderer->GetTargetWidth() * EFB_HEIGHT / g_renderer->GetTargetHeight();
m_query_read_pos = (m_query_read_pos + 1) % ARRAYSIZE(m_query_buffer);
--m_query_count;
}
// TODO: could selectively flush things, but I don't think that will do much
void PerfQuery::FlushResults()
{
while (!IsFlushed())
FlushOne();
}
void PerfQuery::WeakFlush()
{
while (!IsFlushed())
{
auto& entry = m_query_buffer[m_query_read_pos];
GLuint result = GL_FALSE;
glGetQueryObjectuiv(entry.query_id, GL_QUERY_RESULT_AVAILABLE, &result);
if (GL_TRUE == result)
{
FlushOne();
}
else
{
break;
}
}
}
void PerfQuery::ResetQuery()
{
m_query_count = 0;
std::fill_n(m_results, ARRAYSIZE(m_results), 0);
}
u32 PerfQuery::GetQueryResult(PerfQueryType type)
{
u32 result = 0;
if (type == PQ_ZCOMP_INPUT_ZCOMPLOC || type == PQ_ZCOMP_OUTPUT_ZCOMPLOC)
{
result = m_results[PQG_ZCOMP_ZCOMPLOC];
}
else if (type == PQ_ZCOMP_INPUT || type == PQ_ZCOMP_OUTPUT)
{
result = m_results[PQG_ZCOMP];
}
else if (type == PQ_BLEND_INPUT)
{
result = m_results[PQG_ZCOMP] + m_results[PQG_ZCOMP_ZCOMPLOC];
}
else if (type == PQ_EFB_COPY_CLOCKS)
{
result = m_results[PQG_EFB_COPY_CLOCKS];
}
return result / 4;
}
} // namespace