Hash :
88d3b8cb
Author :
Date :
2014-10-08T10:41:56
Added IInspectable EGLNativeWindowType and ICoreWindow support Change-Id: I6dd7fef72a73572d4a3deda7ce36a11da3a75c81 Reviewed-on: https://chromium-review.googlesource.com/224366 Reviewed-by: Geoff Lang <geofflang@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>
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//
// Copyright (c) 2002-2014 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.
//
// iinspectablehost.cpp: NativeWindow base class for managing IInspectable native window types.
#include "common/winrt/CoreWindowNativeWindow.h"
namespace rx
{
NativeWindow::NativeWindow(EGLNativeWindowType window)
{
mWindow = window;
}
bool NativeWindow::initialize()
{
// If the native window type is a IPropertySet, extract the
// EGLNativeWindowType (IInspectable) and initialize the
// proper host with this IPropertySet.
ComPtr<ABI::Windows::Foundation::Collections::IPropertySet> propertySet;
ComPtr<IInspectable> eglNativeWindow;
if (isEGLConfiguredPropertySet(mWindow, &propertySet, &eglNativeWindow))
{
// A property set was found and the EGLNativeWindowType was
// retrieved. The mWindow member of the host to must be updated
// to use the EGLNativeWindowType specified in the property set.
// mWindow is treated as a raw pointer not an AddRef'd interface, so
// the old mWindow does not need a Release() before this assignment.
mWindow = eglNativeWindow.Get();
}
// If the native window is a ICoreWindow, initialize a CoreWindowNativeWindow
ComPtr<ABI::Windows::UI::Core::ICoreWindow> coreWindow;
if (isCoreWindow(mWindow, &coreWindow))
{
mImpl = std::make_shared<CoreWindowNativeWindow>();
if (mImpl)
{
return mImpl->initialize(mWindow, propertySet.Get());
}
}
else
{
ERR("Invalid IInspectable EGLNativeWindowType detected. Valid IInspectables include ICoreWindow and IPropertySet");
}
return false;
}
bool NativeWindow::getClientRect(RECT *rect)
{
if (mImpl)
{
return mImpl->getClientRect(rect);
}
return false;
}
bool NativeWindow::isIconic()
{
return false;
}
HRESULT NativeWindow::createSwapChain(ID3D11Device *device, DXGIFactory *factory, DXGI_FORMAT format, unsigned int width, unsigned int height, DXGISwapChain **swapChain)
{
if (mImpl)
{
return mImpl->createSwapChain(device, factory, format, width, height, swapChain);
}
return E_UNEXPECTED;
}
}
bool isCoreWindow(EGLNativeWindowType window, ComPtr<ABI::Windows::UI::Core::ICoreWindow> *coreWindow)
{
if (!window)
{
return false;
}
ComPtr<IInspectable> win = window;
ComPtr<ABI::Windows::UI::Core::ICoreWindow> coreWin;
if (SUCCEEDED(win.As(&coreWin)))
{
if (coreWindow != nullptr)
{
*coreWindow = coreWin.Detach();
}
return true;
}
return false;
}
bool isEGLConfiguredPropertySet(EGLNativeWindowType window, ABI::Windows::Foundation::Collections::IPropertySet **propertySet, IInspectable **eglNativeWindow)
{
if (!window)
{
return false;
}
ComPtr<IInspectable> props = window;
ComPtr<IPropertySet> propSet;
ComPtr<IInspectable> nativeWindow;
ComPtr<ABI::Windows::Foundation::Collections::IMap<HSTRING, IInspectable*>> propMap;
boolean hasEglNativeWindowPropertyKey = false;
HRESULT result = props.As(&propSet);
if (SUCCEEDED(result))
{
result = propSet.As(&propMap);
}
// Look for the presence of the EGLNativeWindowType in the property set
if (SUCCEEDED(result))
{
result = propMap->HasKey(HStringReference(EGLNativeWindowTypeProperty).Get(), &hasEglNativeWindowPropertyKey);
}
// If the IPropertySet does not contain the required EglNativeWindowType key, the property set is
// considered invalid.
if (SUCCEEDED(result) && !hasEglNativeWindowPropertyKey)
{
ERR("Could not find EGLNativeWindowTypeProperty in IPropertySet. Valid EGLNativeWindowTypeProperty values include ICoreWindow");
return false;
}
// The EglNativeWindowType property exists, so retreive the IInspectable that represents the EGLNativeWindowType
if (SUCCEEDED(result) && hasEglNativeWindowPropertyKey)
{
result = propMap->Lookup(HStringReference(EGLNativeWindowTypeProperty).Get(), &nativeWindow);
}
if (SUCCEEDED(result))
{
if (propertySet != nullptr)
{
result = propSet.CopyTo(propertySet);
}
}
if (SUCCEEDED(result))
{
if (eglNativeWindow != nullptr)
{
result = nativeWindow.CopyTo(eglNativeWindow);
}
}
if (SUCCEEDED(result))
{
return true;
}
return false;
}
// A Valid EGLNativeWindowType IInspectable can only be:
//
// ICoreWindow
// IPropertySet
//
// Anything else will be rejected as an invalid IInspectable.
bool isValidEGLNativeWindowType(EGLNativeWindowType window)
{
return isCoreWindow(window) || isEGLConfiguredPropertySet(window);
}
// Attempts to read an optional SIZE property value that is assumed to be in the form of
// an ABI::Windows::Foundation::Size. This function validates the Size value before returning
// it to the caller.
//
// Possible return values are:
// S_OK, valueExists == true - optional SIZE value was successfully retrieved and validated
// S_OK, valueExists == false - optional SIZE value was not found
// E_INVALIDARG, valueExists = false - optional SIZE value was malformed in the property set.
// * Incorrect property type ( must be PropertyType_Size)
// * Invalid property value (width/height must be > 0)
// Additional errors may be returned from IMap or IPropertyValue
//
HRESULT getOptionalSizePropertyValue(const ComPtr<ABI::Windows::Foundation::Collections::IMap<HSTRING, IInspectable*>>& propertyMap, const wchar_t *propertyName, SIZE *value, bool *valueExists)
{
if (!propertyMap || !propertyName || !value || !valueExists)
{
return false;
}
// Assume that the value does not exist
*valueExists = false;
*value = { 0, 0 };
ComPtr<ABI::Windows::Foundation::IPropertyValue> propertyValue;
ABI::Windows::Foundation::PropertyType propertyType = ABI::Windows::Foundation::PropertyType::PropertyType_Empty;
Size sizeValue = { 0, 0 };
boolean hasKey = false;
HRESULT result = propertyMap->HasKey(HStringReference(propertyName).Get(), &hasKey);
if (SUCCEEDED(result) && !hasKey)
{
// Value does not exist, so return S_OK and set the exists parameter to false to indicate
// that a the optional property does not exist.
*valueExists = false;
return S_OK;
}
if (SUCCEEDED(result))
{
result = propertyMap->Lookup(HStringReference(propertyName).Get(), &propertyValue);
}
if (SUCCEEDED(result))
{
result = propertyValue->get_Type(&propertyType);
}
// Check if the expected Size property is of PropertyType_Size type.
if (SUCCEEDED(result) && propertyType == ABI::Windows::Foundation::PropertyType::PropertyType_Size)
{
if (SUCCEEDED(propertyValue->GetSize(&sizeValue)) && (sizeValue.Width > 0 && sizeValue.Height > 0))
{
// A valid property value exists
*value = { static_cast<long>(sizeValue.Width), static_cast<long>(sizeValue.Height) };
*valueExists = true;
result = S_OK;
}
else
{
// An invalid Size property was detected. Width/Height values must > 0
result = E_INVALIDARG;
}
}
else
{
// An invalid property type was detected. Size property must be of PropertyType_Size
result = E_INVALIDARG;
}
return result;
}