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//
// Copyright 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/Context.h"
#include "libANGLE/renderer/d3d/d3d9/Context9.h"
#include "libANGLE/renderer/d3d/d3d9/Renderer9.h"
#include "libANGLE/renderer/d3d/d3d9/renderer9_utils.h"
namespace rx
{
FenceNV9::FenceNV9(Renderer9 *renderer) : FenceNVImpl(), mRenderer(renderer), mQuery(nullptr) {}
FenceNV9::~FenceNV9()
{
SafeRelease(mQuery);
}
angle::Result FenceNV9::set(const gl::Context *context, GLenum condition)
{
if (!mQuery)
{
ANGLE_TRY(mRenderer->allocateEventQuery(context, &mQuery));
}
HRESULT result = mQuery->Issue(D3DISSUE_END);
if (FAILED(result))
{
SafeRelease(mQuery);
}
ANGLE_TRY_HR(GetImplAs<Context9>(context), result, "Failed to end event query");
return angle::Result::Continue;
}
angle::Result FenceNV9::test(const gl::Context *context, GLboolean *outFinished)
{
return testHelper(GetImplAs<Context9>(context), true, outFinished);
}
angle::Result FenceNV9::finish(const gl::Context *context)
{
GLboolean finished = GL_FALSE;
while (finished != GL_TRUE)
{
ANGLE_TRY(testHelper(GetImplAs<Context9>(context), true, &finished));
Sleep(0);
}
return angle::Result::Continue;
}
angle::Result FenceNV9::testHelper(Context9 *context9,
bool flushCommandBuffer,
GLboolean *outFinished)
{
ASSERT(mQuery);
DWORD getDataFlags = (flushCommandBuffer ? D3DGETDATA_FLUSH : 0);
HRESULT result = mQuery->GetData(nullptr, 0, getDataFlags);
ANGLE_TRY_HR(context9, result, "Failed to get query data");
ASSERT(result == S_OK || result == S_FALSE);
*outFinished = ((result == S_OK) ? GL_TRUE : GL_FALSE);
return angle::Result::Continue;
}
} // namespace rx
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