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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.
//
// Fence9.cpp: Defines the rx::FenceNV9 class.
#include "libANGLE/renderer/d3d/d3d9/Fence9.h"
#include "libANGLE/renderer/d3d/d3d9/renderer9_utils.h"
#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
namespace rx
{
FenceNV9::FenceNV9(Renderer9 *renderer)
: FenceNVImpl(),
mRenderer(renderer),
mQuery(NULL)
{
}
FenceNV9::~FenceNV9()
{
SafeRelease(mQuery);
}
gl::Error FenceNV9::set()
{
if (!mQuery)
{
gl::Error error = mRenderer->allocateEventQuery(&mQuery);
if (error.isError())
{
return error;
}
}
HRESULT result = mQuery->Issue(D3DISSUE_END);
if (FAILED(result))
{
ASSERT(result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY);
SafeRelease(mQuery);
return gl::Error(GL_OUT_OF_MEMORY, "Failed to end event query, result: 0x%X.", result);
}
return gl::Error(GL_NO_ERROR);
}
gl::Error FenceNV9::test(bool flushCommandBuffer, GLboolean *outFinished)
{
ASSERT(mQuery);
DWORD getDataFlags = (flushCommandBuffer ? D3DGETDATA_FLUSH : 0);
HRESULT result = mQuery->GetData(NULL, 0, getDataFlags);
if (d3d9::isDeviceLostError(result))
{
mRenderer->notifyDeviceLost();
return gl::Error(GL_OUT_OF_MEMORY, "Device was lost while querying result of an event query.");
}
else if (FAILED(result))
{
return gl::Error(GL_OUT_OF_MEMORY, "Failed to get query data, result: 0x%X.", result);
}
ASSERT(result == S_OK || result == S_FALSE);
*outFinished = ((result == S_OK) ? GL_TRUE : GL_FALSE);
return gl::Error(GL_NO_ERROR);
}
gl::Error FenceNV9::finishFence(GLboolean *outFinished)
{
ASSERT(outFinished);
while (*outFinished != GL_TRUE)
{
gl::Error error = test(true, outFinished);
if (error.isError())
{
return error;
}
Sleep(0);
}
return gl::Error(GL_NO_ERROR);
}
}
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