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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 // ANGLE_MINGW32_COMPAT
#ifndef ANGLE_D3D11_QDTD_AVAILABLE
typedef struct D3D11_QUERY_DATA_TIMESTAMP_DISJOINT {
UINT64 Frequency;
BOOL Disjoint;
} D3D11_QUERY_DATA_TIMESTAMP_DISJOINT;
#endif // MINGW32
namespace rx
{
Query11::Query11(Renderer11 *renderer, GLenum type)
: QueryImpl(type),
mResult(0),
mQueryFinished(false),
mRenderer(renderer),
mQuery(nullptr),
mTimestampBeginQuery(nullptr),
mTimestampEndQuery(nullptr)
{
}
Query11::~Query11()
{
SafeRelease(mQuery);
SafeRelease(mTimestampBeginQuery);
SafeRelease(mTimestampEndQuery);
}
gl::Error Query11::begin()
{
if (mQuery == nullptr)
{
D3D11_QUERY_DESC queryDesc;
queryDesc.Query = gl_d3d11::ConvertQueryType(getType());
queryDesc.MiscFlags = 0;
ID3D11Device *device = mRenderer->getDevice();
HRESULT result = device->CreateQuery(&queryDesc, &mQuery);
if (FAILED(result))
{
return gl::Error(GL_OUT_OF_MEMORY, "Internal query creation failed, result: 0x%X.", result);
}
// If we are doing time elapsed we also need a query to actually query the timestamp
if (getType() == GL_TIME_ELAPSED_EXT)
{
D3D11_QUERY_DESC desc;
desc.Query = D3D11_QUERY_TIMESTAMP;
desc.MiscFlags = 0;
result = device->CreateQuery(&desc, &mTimestampBeginQuery);
if (FAILED(result))
{
return gl::Error(GL_OUT_OF_MEMORY, "Internal query creation failed, result: 0x%X.",
result);
}
result = device->CreateQuery(&desc, &mTimestampEndQuery);
if (FAILED(result))
{
return gl::Error(GL_OUT_OF_MEMORY, "Internal query creation failed, result: 0x%X.",
result);
}
}
}
ID3D11DeviceContext *context = mRenderer->getDeviceContext();
context->Begin(mQuery);
// If we are doing time elapsed query the begin timestamp
if (getType() == GL_TIME_ELAPSED_EXT)
{
context->End(mTimestampBeginQuery);
}
return gl::Error(GL_NO_ERROR);
}
gl::Error Query11::end()
{
ASSERT(mQuery);
ID3D11DeviceContext *context = mRenderer->getDeviceContext();
// If we are doing time elapsed query the end timestamp
if (getType() == GL_TIME_ELAPSED_EXT)
{
context->End(mTimestampEndQuery);
}
context->End(mQuery);
mQueryFinished = false;
mResult = GL_FALSE;
return gl::Error(GL_NO_ERROR);
}
gl::Error Query11::queryCounter()
{
// This doesn't do anything for D3D11 as we don't support timestamps
ASSERT(getType() == GL_TIMESTAMP_EXT);
mQueryFinished = true;
mResult = 0;
return gl::Error(GL_NO_ERROR);
}
template <typename T>
gl::Error Query11::getResultBase(T *params)
{
while (!mQueryFinished)
{
gl::Error error = testQuery();
if (error.isError())
{
return error;
}
if (!mQueryFinished)
{
ScheduleYield();
}
}
ASSERT(mQueryFinished);
*params = static_cast<T>(mResult);
return gl::Error(GL_NO_ERROR);
}
gl::Error Query11::getResult(GLint *params)
{
return getResultBase(params);
}
gl::Error Query11::getResult(GLuint *params)
{
return getResultBase(params);
}
gl::Error Query11::getResult(GLint64 *params)
{
return getResultBase(params);
}
gl::Error Query11::getResult(GLuint64 *params)
{
return getResultBase(params);
}
gl::Error Query11::isResultAvailable(bool *available)
{
gl::Error error = testQuery();
if (error.isError())
{
return error;
}
*available = mQueryFinished;
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<GLuint64>(soStats.NumPrimitivesWritten);
}
}
break;
case GL_TIME_ELAPSED_EXT:
{
D3D11_QUERY_DATA_TIMESTAMP_DISJOINT timeStats = {0};
HRESULT result = context->GetData(mQuery, &timeStats, sizeof(timeStats), 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)
{
UINT64 beginTime = 0;
HRESULT beginRes =
context->GetData(mTimestampBeginQuery, &beginTime, sizeof(UINT64), 0);
if (FAILED(beginRes))
{
return gl::Error(
GL_OUT_OF_MEMORY,
"Failed to get the data of an internal query, result: 0x%X.", beginRes);
}
UINT64 endTime = 0;
HRESULT endRes =
context->GetData(mTimestampEndQuery, &endTime, sizeof(UINT64), 0);
if (FAILED(endRes))
{
return gl::Error(
GL_OUT_OF_MEMORY,
"Failed to get the data of an internal query, result: 0x%X.", endRes);
}
if (beginRes == S_OK && endRes == S_OK)
{
mQueryFinished = true;
if (timeStats.Disjoint)
{
mRenderer->setGPUDisjoint();
}
static_assert(sizeof(UINT64) == sizeof(unsigned long long),
"D3D UINT64 isn't 64 bits");
if (rx::IsUnsignedMultiplicationSafe(endTime - beginTime, 1000000000ull))
{
mResult = ((endTime - beginTime) * 1000000000ull) / timeStats.Frequency;
}
else
{
mResult = std::numeric_limits<GLuint64>::max() / timeStats.Frequency;
// If an overflow does somehow occur, there is no way the elapsed time
// is accurate, so we generate a disjoint event
mRenderer->setGPUDisjoint();
}
}
}
}
break;
case GL_TIMESTAMP_EXT:
{
// D3D11 doesn't support GL timestamp queries as D3D timestamps are not guaranteed
// to have any sort of continuity outside of a disjoint timestamp query block, which
// GL depends on
mResult = 0;
}
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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