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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /gfx/angle/src/libANGLE/renderer/d3d/d3d11/winrt/SwapChainPanelNativeWindow.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'gfx/angle/src/libANGLE/renderer/d3d/d3d11/winrt/SwapChainPanelNativeWindow.cpp')
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diff --git a/gfx/angle/src/libANGLE/renderer/d3d/d3d11/winrt/SwapChainPanelNativeWindow.cpp b/gfx/angle/src/libANGLE/renderer/d3d/d3d11/winrt/SwapChainPanelNativeWindow.cpp
new file mode 100755
index 000000000..1dae1ad7d
--- /dev/null
+++ b/gfx/angle/src/libANGLE/renderer/d3d/d3d11/winrt/SwapChainPanelNativeWindow.cpp
@@ -0,0 +1,355 @@
+//
+// Copyright (c) 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.
+//
+
+// SwapChainPanelNativeWindow.cpp: NativeWindow for managing ISwapChainPanel native window types.
+
+#include "libANGLE/renderer/d3d/d3d11/winrt/SwapChainPanelNativeWindow.h"
+
+#include <algorithm>
+#include <math.h>
+
+using namespace ABI::Windows::Foundation;
+using namespace ABI::Windows::Foundation::Collections;
+using namespace ABI::Windows::UI::Core;
+using namespace ABI::Windows::UI::Xaml;
+using namespace Microsoft::WRL;
+
+namespace rx
+{
+SwapChainPanelNativeWindow::~SwapChainPanelNativeWindow()
+{
+ unregisterForSizeChangeEvents();
+}
+
+template <typename T>
+struct AddFtmBase
+{
+ typedef Implements<RuntimeClassFlags<ClassicCom>, T, FtmBase> Type;
+};
+
+template <typename CODE>
+HRESULT RunOnUIThread(CODE &&code, const ComPtr<ICoreDispatcher> &dispatcher)
+{
+ ComPtr<IAsyncAction> asyncAction;
+ HRESULT result = S_OK;
+
+ boolean hasThreadAccess;
+ result = dispatcher->get_HasThreadAccess(&hasThreadAccess);
+ if (FAILED(result))
+ {
+ return result;
+ }
+
+ if (hasThreadAccess)
+ {
+ return code();
+ }
+ else
+ {
+ Event waitEvent(CreateEventEx(NULL, NULL, CREATE_EVENT_MANUAL_RESET, EVENT_ALL_ACCESS));
+ if (!waitEvent.IsValid())
+ {
+ return E_FAIL;
+ }
+
+ HRESULT codeResult = E_FAIL;
+ auto handler =
+ Callback<AddFtmBase<IDispatchedHandler>::Type>([&codeResult, &code, &waitEvent]
+ {
+ codeResult = code();
+ SetEvent(waitEvent.Get());
+ return S_OK;
+ });
+
+ result = dispatcher->RunAsync(CoreDispatcherPriority_Normal, handler.Get(),
+ asyncAction.GetAddressOf());
+ if (FAILED(result))
+ {
+ return result;
+ }
+
+ auto waitResult = WaitForSingleObjectEx(waitEvent.Get(), 10 * 1000, true);
+ if (waitResult != WAIT_OBJECT_0)
+ {
+ // Wait 10 seconds before giving up. At this point, the application is in an
+ // unrecoverable state (probably deadlocked). We therefore terminate the application
+ // entirely. This also prevents stack corruption if the async operation is eventually
+ // run.
+ ERR("Timeout waiting for async action on UI thread. The UI thread might be blocked.");
+ std::terminate();
+ return E_FAIL;
+ }
+
+ return codeResult;
+ }
+}
+
+bool SwapChainPanelNativeWindow::initialize(EGLNativeWindowType window, IPropertySet *propertySet)
+{
+ ComPtr<IPropertySet> props = propertySet;
+ ComPtr<IInspectable> win = window;
+ SIZE swapChainSize = {};
+ HRESULT result = S_OK;
+
+ // IPropertySet is an optional parameter and can be null.
+ // If one is specified, cache as an IMap and read the properties
+ // used for initial host initialization.
+ if (propertySet)
+ {
+ result = props.As(&mPropertyMap);
+ if (FAILED(result))
+ {
+ return false;
+ }
+
+ // The EGLRenderSurfaceSizeProperty is optional and may be missing. The IPropertySet
+ // was prevalidated to contain the EGLNativeWindowType before being passed to
+ // this host.
+ result = GetOptionalSizePropertyValue(mPropertyMap, EGLRenderSurfaceSizeProperty, &swapChainSize, &mSwapChainSizeSpecified);
+ if (FAILED(result))
+ {
+ return false;
+ }
+
+ // The EGLRenderResolutionScaleProperty is optional and may be missing. The IPropertySet
+ // was prevalidated to contain the EGLNativeWindowType before being passed to
+ // this host.
+ result = GetOptionalSinglePropertyValue(mPropertyMap, EGLRenderResolutionScaleProperty, &mSwapChainScale, &mSwapChainScaleSpecified);
+ if (FAILED(result))
+ {
+ return false;
+ }
+
+ if (!mSwapChainScaleSpecified)
+ {
+ // Default value for the scale is 1.0f
+ mSwapChainScale = 1.0f;
+ }
+
+ // A EGLRenderSurfaceSizeProperty and a EGLRenderResolutionScaleProperty can't both be specified
+ if (mSwapChainScaleSpecified && mSwapChainSizeSpecified)
+ {
+ ERR("It is invalid to specify both an EGLRenderSurfaceSizeProperty and a EGLRenderResolutionScaleProperty.");
+ return false;
+ }
+ }
+
+ if (SUCCEEDED(result))
+ {
+ result = win.As(&mSwapChainPanel);
+ }
+
+ ComPtr<IDependencyObject> swapChainPanelDependencyObject;
+ if (SUCCEEDED(result))
+ {
+ result = mSwapChainPanel.As(&swapChainPanelDependencyObject);
+ }
+
+ if (SUCCEEDED(result))
+ {
+ result = swapChainPanelDependencyObject->get_Dispatcher(
+ mSwapChainPanelDispatcher.GetAddressOf());
+ }
+
+ if (SUCCEEDED(result))
+ {
+ // If a swapchain size is specfied, then the automatic resize
+ // behaviors implemented by the host should be disabled. The swapchain
+ // will be still be scaled when being rendered to fit the bounds
+ // of the host.
+ // Scaling of the swapchain output needs to be handled by the
+ // host for swapchain panels even though the scaling mode setting
+ // DXGI_SCALING_STRETCH is configured on the swapchain.
+ if (mSwapChainSizeSpecified)
+ {
+ mClientRect = { 0, 0, swapChainSize.cx, swapChainSize.cy };
+ }
+ else
+ {
+ Size swapChainPanelSize;
+ result = GetSwapChainPanelSize(mSwapChainPanel, mSwapChainPanelDispatcher,
+ &swapChainPanelSize);
+
+ if (SUCCEEDED(result))
+ {
+ // Update the client rect to account for any swapchain scale factor
+ mClientRect = clientRect(swapChainPanelSize);
+ }
+ }
+ }
+
+ if (SUCCEEDED(result))
+ {
+ mNewClientRect = mClientRect;
+ mClientRectChanged = false;
+ return registerForSizeChangeEvents();
+ }
+
+ return false;
+}
+
+bool SwapChainPanelNativeWindow::registerForSizeChangeEvents()
+{
+ ComPtr<ISizeChangedEventHandler> sizeChangedHandler;
+ ComPtr<IFrameworkElement> frameworkElement;
+ HRESULT result = Microsoft::WRL::MakeAndInitialize<SwapChainPanelSizeChangedHandler>(sizeChangedHandler.ReleaseAndGetAddressOf(), this->shared_from_this());
+
+ if (SUCCEEDED(result))
+ {
+ result = mSwapChainPanel.As(&frameworkElement);
+ }
+
+ if (SUCCEEDED(result))
+ {
+ result = RunOnUIThread(
+ [this, frameworkElement, sizeChangedHandler]
+ {
+ return frameworkElement->add_SizeChanged(sizeChangedHandler.Get(),
+ &mSizeChangedEventToken);
+ },
+ mSwapChainPanelDispatcher);
+ }
+
+ if (SUCCEEDED(result))
+ {
+ return true;
+ }
+
+ return false;
+}
+
+void SwapChainPanelNativeWindow::unregisterForSizeChangeEvents()
+{
+ ComPtr<IFrameworkElement> frameworkElement;
+ if (mSwapChainPanel && SUCCEEDED(mSwapChainPanel.As(&frameworkElement)))
+ {
+ RunOnUIThread(
+ [this, frameworkElement]
+ {
+ return frameworkElement->remove_SizeChanged(mSizeChangedEventToken);
+ },
+ mSwapChainPanelDispatcher);
+ }
+
+ mSizeChangedEventToken.value = 0;
+}
+
+HRESULT SwapChainPanelNativeWindow::createSwapChain(ID3D11Device *device,
+ IDXGIFactory2 *factory,
+ DXGI_FORMAT format,
+ unsigned int width,
+ unsigned int height,
+ bool containsAlpha,
+ IDXGISwapChain1 **swapChain)
+{
+ if (device == NULL || factory == NULL || swapChain == NULL || width == 0 || height == 0)
+ {
+ return E_INVALIDARG;
+ }
+
+ DXGI_SWAP_CHAIN_DESC1 swapChainDesc = { 0 };
+ swapChainDesc.Width = width;
+ swapChainDesc.Height = height;
+ swapChainDesc.Format = format;
+ swapChainDesc.Stereo = FALSE;
+ swapChainDesc.SampleDesc.Count = 1;
+ swapChainDesc.SampleDesc.Quality = 0;
+ swapChainDesc.BufferUsage =
+ DXGI_USAGE_SHADER_INPUT | DXGI_USAGE_RENDER_TARGET_OUTPUT | DXGI_USAGE_BACK_BUFFER;
+ swapChainDesc.BufferCount = 2;
+ swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;
+ swapChainDesc.Scaling = DXGI_SCALING_STRETCH;
+ swapChainDesc.AlphaMode =
+ containsAlpha ? DXGI_ALPHA_MODE_PREMULTIPLIED : DXGI_ALPHA_MODE_IGNORE;
+
+ *swapChain = nullptr;
+
+ ComPtr<IDXGISwapChain1> newSwapChain;
+ ComPtr<ISwapChainPanelNative> swapChainPanelNative;
+ Size currentPanelSize = {};
+
+ HRESULT result = factory->CreateSwapChainForComposition(device, &swapChainDesc, nullptr, newSwapChain.ReleaseAndGetAddressOf());
+
+ if (SUCCEEDED(result))
+ {
+ result = mSwapChainPanel.As(&swapChainPanelNative);
+ }
+
+ if (SUCCEEDED(result))
+ {
+ result = RunOnUIThread(
+ [swapChainPanelNative, newSwapChain]
+ {
+ return swapChainPanelNative->SetSwapChain(newSwapChain.Get());
+ },
+ mSwapChainPanelDispatcher);
+ }
+
+ if (SUCCEEDED(result))
+ {
+ // The swapchain panel host requires an instance of the swapchain set on the SwapChainPanel
+ // to perform the runtime-scale behavior. This swapchain is cached here because there are
+ // no methods for retreiving the currently configured on from ISwapChainPanelNative.
+ mSwapChain = newSwapChain;
+ result = newSwapChain.CopyTo(swapChain);
+ }
+
+ // If the host is responsible for scaling the output of the swapchain, then
+ // scale it now before returning an instance to the caller. This is done by
+ // first reading the current size of the swapchain panel, then scaling
+ if (SUCCEEDED(result))
+ {
+ if (mSwapChainSizeSpecified || mSwapChainScaleSpecified)
+ {
+ result = GetSwapChainPanelSize(mSwapChainPanel, mSwapChainPanelDispatcher,
+ &currentPanelSize);
+
+ // Scale the swapchain to fit inside the contents of the panel.
+ if (SUCCEEDED(result))
+ {
+ result = scaleSwapChain(currentPanelSize, mClientRect);
+ }
+ }
+ }
+
+ return result;
+}
+
+HRESULT SwapChainPanelNativeWindow::scaleSwapChain(const Size &windowSize, const RECT &clientRect)
+{
+ Size renderScale = {windowSize.Width / (float)clientRect.right,
+ windowSize.Height / (float)clientRect.bottom};
+ // Setup a scale matrix for the swap chain
+ DXGI_MATRIX_3X2_F scaleMatrix = {};
+ scaleMatrix._11 = renderScale.Width;
+ scaleMatrix._22 = renderScale.Height;
+
+ ComPtr<IDXGISwapChain2> swapChain2;
+ HRESULT result = mSwapChain.As(&swapChain2);
+ if (SUCCEEDED(result))
+ {
+ result = swapChain2->SetMatrixTransform(&scaleMatrix);
+ }
+
+ return result;
+}
+
+HRESULT GetSwapChainPanelSize(
+ const ComPtr<ABI::Windows::UI::Xaml::Controls::ISwapChainPanel> &swapChainPanel,
+ const ComPtr<ICoreDispatcher> &dispatcher,
+ Size *windowSize)
+{
+ ComPtr<IUIElement> uiElement;
+ HRESULT result = swapChainPanel.As(&uiElement);
+ if (SUCCEEDED(result))
+ {
+ result = RunOnUIThread(
+ [uiElement, windowSize] { return uiElement->get_RenderSize(windowSize); }, dispatcher);
+ }
+
+ return result;
+}
+} \ No newline at end of file