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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.
//
// Query9.cpp: Defines the rx::Query9 class which implements rx::QueryImpl.
#include "libGLESv2/renderer/d3d/d3d9/Query9.h"
#include "libGLESv2/renderer/d3d/d3d9/renderer9_utils.h"
#include "libGLESv2/renderer/d3d/d3d9/Renderer9.h"
#include "libGLESv2/main.h"
#include <GLES2/gl2ext.h>
namespace rx
{
Query9::Query9(rx::Renderer9 *renderer, GLenum type)
: QueryImpl(type),
mResult(GL_FALSE),
mQueryFinished(false),
mRenderer(renderer),
mQuery(NULL)
{
}
Query9::~Query9()
{
SafeRelease(mQuery);
}
gl::Error Query9::begin()
{
if (mQuery == NULL)
{
HRESULT result = mRenderer->getDevice()->CreateQuery(D3DQUERYTYPE_OCCLUSION, &mQuery);
if (FAILED(result))
{
return gl::Error(GL_OUT_OF_MEMORY, "Internal query creation failed, result: 0x%X.", result);
}
}
HRESULT result = mQuery->Issue(D3DISSUE_BEGIN);
ASSERT(SUCCEEDED(result));
if (FAILED(result))
{
return gl::Error(GL_OUT_OF_MEMORY, "Failed to begin internal query, result: 0x%X.", result);
}
return gl::Error(GL_NO_ERROR);
}
gl::Error Query9::end()
{
ASSERT(mQuery);
HRESULT result = mQuery->Issue(D3DISSUE_END);
ASSERT(SUCCEEDED(result));
if (FAILED(result))
{
return gl::Error(GL_OUT_OF_MEMORY, "Failed to end internal query, result: 0x%X.", result);
}
mQueryFinished = false;
mResult = GL_FALSE;
return gl::Error(GL_NO_ERROR);
}
gl::Error Query9::getResult(GLuint *params)
{
while (!mQueryFinished)
{
gl::Error error = testQuery();
if (error.isError())
{
return error;
}
if (!mQueryFinished)
{
Sleep(0);
}
}
ASSERT(mQueryFinished);
*params = mResult;
return gl::Error(GL_NO_ERROR);
}
gl::Error Query9::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 Query9::testQuery()
{
if (!mQueryFinished)
{
ASSERT(mQuery);
DWORD numPixels = 0;
HRESULT hres = mQuery->GetData(&numPixels, sizeof(DWORD), D3DGETDATA_FLUSH);
if (hres == S_OK)
{
mQueryFinished = true;
switch (getType())
{
case GL_ANY_SAMPLES_PASSED_EXT:
case GL_ANY_SAMPLES_PASSED_CONSERVATIVE_EXT:
mResult = (numPixels > 0) ? GL_TRUE : GL_FALSE;
break;
default:
UNREACHABLE();
break;
}
}
else if (d3d9::isDeviceLostError(hres))
{
mRenderer->notifyDeviceLost();
return gl::Error(GL_OUT_OF_MEMORY, "Failed to test get query result, device is lost.");
}
else if (mRenderer->testDeviceLost(true))
{
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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