Source code
Revision control
Copy as Markdown
Other Tools
//
// Copyright 2014 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.
//
// Trim11.cpp: Trim support utility class.
#include "libANGLE/renderer/d3d/d3d11/Trim11.h"
#include "libANGLE/renderer/d3d/d3d11/Renderer11.h"
#include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
#if defined(ANGLE_ENABLE_WINDOWS_UWP)
# include <windows.applicationmodel.core.h>
# include <wrl.h>
# include <wrl/wrappers/corewrappers.h>
using namespace Microsoft::WRL;
using namespace Microsoft::WRL::Wrappers;
using namespace ABI::Windows::ApplicationModel;
using namespace ABI::Windows::ApplicationModel::Core;
using namespace ABI::Windows::Foundation;
using namespace ABI::Windows::Foundation::Collections;
#endif
namespace rx
{
Trim11::Trim11(rx::Renderer11 *renderer) : mRenderer(renderer)
{
bool result = true;
result = registerForRendererTrimRequest();
ASSERT(result);
}
Trim11::~Trim11()
{
unregisterForRendererTrimRequest();
}
void Trim11::trim()
{
if (!mRenderer)
{
return;
}
#if defined(ANGLE_ENABLE_WINDOWS_UWP)
ID3D11Device *device = mRenderer->getDevice();
IDXGIDevice3 *dxgiDevice3 = d3d11::DynamicCastComObject<IDXGIDevice3>(device);
if (dxgiDevice3)
{
dxgiDevice3->Trim();
}
SafeRelease(dxgiDevice3);
#endif
}
bool Trim11::registerForRendererTrimRequest()
{
#if defined(ANGLE_ENABLE_WINDOWS_UWP)
ICoreApplication *coreApplication = nullptr;
HRESULT result = GetActivationFactory(
HStringReference(RuntimeClass_Windows_ApplicationModel_Core_CoreApplication).Get(),
&coreApplication);
if (SUCCEEDED(result))
{
auto suspendHandler = Callback<IEventHandler<SuspendingEventArgs *>>(
[this](IInspectable *, ISuspendingEventArgs *) -> HRESULT {
trim();
return S_OK;
});
result =
coreApplication->add_Suspending(suspendHandler.Get(), &mApplicationSuspendedEventToken);
}
SafeRelease(coreApplication);
if (FAILED(result))
{
return false;
}
#endif
return true;
}
void Trim11::unregisterForRendererTrimRequest()
{
#if defined(ANGLE_ENABLE_WINDOWS_UWP)
if (mApplicationSuspendedEventToken.value != 0)
{
ICoreApplication *coreApplication = nullptr;
if (SUCCEEDED(GetActivationFactory(
HStringReference(RuntimeClass_Windows_ApplicationModel_Core_CoreApplication).Get(),
&coreApplication)))
{
coreApplication->remove_Suspending(mApplicationSuspendedEventToken);
}
mApplicationSuspendedEventToken.value = 0;
SafeRelease(coreApplication);
}
#endif
}
} // namespace rx