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//
// Copyright (c) 2013 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Query11.cpp: Defines the rx::Query11 class which implements rx::QueryImpl.
#include "libANGLE/renderer/d3d/d3d11/Query11.h"
#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
#include "common/utilities.h"
#include <GLES2/gl2ext.h>
#if defined(ANGLE_MINGW32_COMPAT)
typedef struct D3D11_QUERY_DATA_SO_STATISTICS {
UINT64 NumPrimitivesWritten;
UINT64 PrimitivesStorageNeeded;
} D3D11_QUERY_DATA_SO_STATISTICS;
#endif
namespace rx
{
Query11::Query11(Renderer11 *renderer, GLenum type)
: QueryImpl(type),
mResult(0),
mQueryFinished(false),
mRenderer(renderer),
mQuery(NULL)
{
}
Query11::~Query11()
{
SafeRelease(mQuery);
}
gl::Error Query11::begin()
{
if (mQuery == NULL)
{
D3D11_QUERY_DESC queryDesc;
queryDesc.Query = gl_d3d11::ConvertQueryType(getType());
queryDesc.MiscFlags = 0;
HRESULT result = mRenderer->getDevice()->CreateQuery(&queryDesc, &mQuery);
if (FAILED(result))
{
return gl::Error(GL_OUT_OF_MEMORY, "Internal query creation failed, result: 0x%X.", result);
}
}
mRenderer->getDeviceContext()->Begin(mQuery);
return gl::Error(GL_NO_ERROR);
}
gl::Error Query11::end()
{
ASSERT(mQuery);
mRenderer->getDeviceContext()->End(mQuery);
mQueryFinished = false;
mResult = GL_FALSE;
return gl::Error(GL_NO_ERROR);
}
gl::Error Query11::getResult(GLuint *params)
{
while (!mQueryFinished)
{
gl::Error error = testQuery();
if (error.isError())
{
return error;
}
if (!mQueryFinished)
{
ScheduleYield();
}
}
ASSERT(mQueryFinished);
*params = mResult;
return gl::Error(GL_NO_ERROR);
}
gl::Error Query11::isResultAvailable(GLuint *available)
{
gl::Error error = testQuery();
if (error.isError())
{
return error;
}
*available = (mQueryFinished ? GL_TRUE : GL_FALSE);
return gl::Error(GL_NO_ERROR);
}
gl::Error Query11::testQuery()
{
if (!mQueryFinished)
{
ASSERT(mQuery);
ID3D11DeviceContext *context = mRenderer->getDeviceContext();
switch (getType())
{
case GL_ANY_SAMPLES_PASSED_EXT:
case GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT:
{
UINT64 numPixels = 0;
HRESULT result = context->GetData(mQuery, &numPixels, sizeof(numPixels), 0);
if (FAILED(result))
{
return gl::Error(GL_OUT_OF_MEMORY, "Failed to get the data of an internal query, result: 0x%X.", result);
}
if (result == S_OK)
{
mQueryFinished = true;
mResult = (numPixels > 0) ? GL_TRUE : GL_FALSE;
}
}
break;
case GL_TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN:
{
D3D11_QUERY_DATA_SO_STATISTICS soStats = { 0 };
HRESULT result = context->GetData(mQuery, &soStats, sizeof(soStats), 0);
if (FAILED(result))
{
return gl::Error(GL_OUT_OF_MEMORY, "Failed to get the data of an internal query, result: 0x%X.", result);
}
if (result == S_OK)
{
mQueryFinished = true;
mResult = static_cast<GLuint>(soStats.NumPrimitivesWritten);
}
}
break;
default:
UNREACHABLE();
break;
}
if (!mQueryFinished && mRenderer->testDeviceLost())
{
mRenderer->notifyDeviceLost();
return gl::Error(GL_OUT_OF_MEMORY, "Failed to test get query result, device is lost.");
}
}
return gl::Error(GL_NO_ERROR);
}
}
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