зеркало из https://github.com/mozilla/gecko-dev.git
51 строка
1.7 KiB
C++
51 строка
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "RenderDcompSurfaceTextureHost.h"
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#undef _WIN32_WINNT
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#define _WIN32_WINNT _WIN32_WINNT_WINBLUE
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#undef NTDDI_VERSION
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#define NTDDI_VERSION NTDDI_WINBLUE
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#include <dcomp.h>
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#define LOG(msg, ...) \
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MOZ_LOG(gDcompSurface, LogLevel::Debug, \
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("RenderDcompSurfaceTextureHost=%p, handle=%p, size=[%u,%u] " msg, \
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this, this->mHandle, this->mSize.Width(), this->mSize.Height(), \
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##__VA_ARGS__))
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namespace mozilla::wr {
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RenderDcompSurfaceTextureHost::RenderDcompSurfaceTextureHost(
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HANDLE aHandle, gfx::IntSize aSize, gfx::SurfaceFormat aFormat)
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: mHandle(aHandle), mSize(aSize), mFormat(aFormat) {
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MOZ_ASSERT(aHandle && aHandle != INVALID_HANDLE_VALUE);
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}
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IDCompositionSurface* RenderDcompSurfaceTextureHost::CreateSurfaceFromDevice(
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IDCompositionDevice* aDevice) {
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// Already created surface, no need to recreate it again.
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if (mDcompSurface) {
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return mDcompSurface;
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}
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auto* surface =
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static_cast<IDCompositionSurface**>(getter_AddRefs(mDcompSurface));
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auto hr = aDevice->CreateSurfaceFromHandle(
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mHandle, reinterpret_cast<IUnknown**>(surface));
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if (FAILED(hr)) {
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LOG("Failed to create surface from Dcomp handle %p, hr=%lx", mHandle, hr);
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return nullptr;
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}
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LOG("Created surface %p correctly", surface);
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return mDcompSurface;
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}
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} // namespace mozilla::wr
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#undef LOG
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