Profiler::Result Profiler::getResult(ID3D11Device* graphicsDevice, Game* game)
{
ID3D11DeviceContext* immediateContext;
graphicsDevice->GetImmediateContext(&immediateContext);
GPA_BeginSession(&sessionID);
for (unsigned i = 0; i < numPasses; ++i)
{
GPA_BeginPass();
GPA_BeginSample(0);
game->drawTerrain(graphicsDevice);
GPA_EndSample();
GPA_EndPass();
}
GPA_EndSession();
immediateContext->Release();
bool readyResult;
do GPA_IsSessionReady(&readyResult, sessionID);
while (!readyResult);
do GPA_IsSampleReady(&readyResult, sessionID, 0);
while (!readyResult);
double primitivesIn;
double pixelsPerTriangle;
GPA_GetSampleFloat64(sessionID, 0, primitivesInCounterID, &primitivesIn);
GPA_GetSampleFloat64(sessionID, 0, pixelsPerTriangleCounterID, &pixelsPerTriangle);
Result result;
result.primitiveCount = (unsigned)primitivesIn;
result.pixelsPerTriangle = (float)pixelsPerTriangle;
return result;
}
/// Given a sessionID, query the counter values and save them to a file
static void WriteSession( gpa_uint32 currentWaitSessionID,
const char* filename )
{
static bool doneHeadings = FALSE;
gpa_uint32 count;
GPA_GetEnabledCount( &count );
FILE* f;
if ( !doneHeadings )
{
const char* name;
f = fopen( filename, "w" );
assert( f );
fprintf( f, "Identifier, " );
for (gpa_uint32 counter = 0 ; counter < count ; counter++ )
{
gpa_uint32 enabledCounterIndex;
GPA_GetEnabledIndex( counter, &enabledCounterIndex );
GPA_GetCounterName( enabledCounterIndex, &name );
fprintf( f, "%s, ", name );
}
fprintf( f, "\n" );
fclose( f );
doneHeadings = TRUE;
}
f = fopen( filename, "a+" );
assert( f );
gpa_uint32 sampleCount;
GPA_GetSampleCount( currentWaitSessionID, &sampleCount );
for (gpa_uint32 sample = 0 ; sample < sampleCount ; sample++ )
{
fprintf( f, "session: %d; sample: %d, ", currentWaitSessionID,
sample );
for (gpa_uint32 counter = 0 ; counter < count ; counter++ )
{
gpa_uint32 enabledCounterIndex;
GPA_GetEnabledIndex( counter, &enabledCounterIndex );
GPA_Type type;
GPA_GetCounterDataType( enabledCounterIndex, &type );
if ( type == GPA_TYPE_UINT32 )
{
gpa_uint32 value;
GPA_GetSampleUInt32( currentWaitSessionID,
sample, enabledCounterIndex, &value );
fprintf( f, "%u,", value );
}
else if ( type == GPA_TYPE_UINT64 )
{
gpa_uint64 value;
GPA_GetSampleUInt64( currentWaitSessionID,
sample, enabledCounterIndex, &value );
fprintf( f, "%lu,", value );
}
else if ( type == GPA_TYPE_FLOAT32 )
{
gpa_float32 value;
GPA_GetSampleFloat32( currentWaitSessionID,
sample, enabledCounterIndex, &value );
fprintf( f, "%f,", (double) value );
}
else if ( type == GPA_TYPE_FLOAT64 )
{
gpa_float64 value;
GPA_GetSampleFloat64( currentWaitSessionID,
sample, enabledCounterIndex, &value );
fprintf( f, "%f,", value );
}
else
{
assert(FALSE);
}
}
fprintf( f, "\n" );
}
fclose( f );
}