зеркало из https://github.com/mozilla/gecko-dev.git
100 строки
2.6 KiB
C++
100 строки
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 20; 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 "MacIOSurfaceTextureHostBasic.h"
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#include "mozilla/gfx/MacIOSurface.h"
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#include "MacIOSurfaceHelpers.h"
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namespace mozilla {
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namespace layers {
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MacIOSurfaceTextureSourceBasic::MacIOSurfaceTextureSourceBasic(MacIOSurface* aSurface)
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: mSurface(aSurface)
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{
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MOZ_COUNT_CTOR(MacIOSurfaceTextureSourceBasic);
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}
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MacIOSurfaceTextureSourceBasic::~MacIOSurfaceTextureSourceBasic()
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{
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MOZ_COUNT_DTOR(MacIOSurfaceTextureSourceBasic);
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}
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gfx::IntSize
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MacIOSurfaceTextureSourceBasic::GetSize() const
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{
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return gfx::IntSize(mSurface->GetDevicePixelWidth(),
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mSurface->GetDevicePixelHeight());
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}
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gfx::SurfaceFormat
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MacIOSurfaceTextureSourceBasic::GetFormat() const
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{
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// Set the format the same way as CreateSourceSurfaceFromMacIOSurface.
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return mSurface->GetFormat() == gfx::SurfaceFormat::NV12
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? gfx::SurfaceFormat::B8G8R8X8 : gfx::SurfaceFormat::B8G8R8A8;
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}
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MacIOSurfaceTextureHostBasic::MacIOSurfaceTextureHostBasic(
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TextureFlags aFlags,
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const SurfaceDescriptorMacIOSurface& aDescriptor
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)
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: TextureHost(aFlags)
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{
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mSurface = MacIOSurface::LookupSurface(aDescriptor.surfaceId(),
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aDescriptor.scaleFactor(),
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!aDescriptor.isOpaque());
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}
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gfx::SourceSurface*
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MacIOSurfaceTextureSourceBasic::GetSurface(gfx::DrawTarget* aTarget)
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{
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if (!mSourceSurface) {
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mSourceSurface = CreateSourceSurfaceFromMacIOSurface(mSurface);
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}
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return mSourceSurface;
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}
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bool
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MacIOSurfaceTextureHostBasic::Lock()
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{
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if (!mProvider) {
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return false;
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}
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if (!mTextureSource) {
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mTextureSource = new MacIOSurfaceTextureSourceBasic(mSurface);
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}
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return true;
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}
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void
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MacIOSurfaceTextureHostBasic::SetTextureSourceProvider(TextureSourceProvider* aProvider)
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{
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if (!aProvider->AsCompositor() || !aProvider->AsCompositor()->AsBasicCompositor()) {
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mTextureSource = nullptr;
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return;
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}
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mProvider = aProvider;
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if (mTextureSource) {
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mTextureSource->SetTextureSourceProvider(aProvider);
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}
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}
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gfx::SurfaceFormat
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MacIOSurfaceTextureHostBasic::GetFormat() const {
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return mSurface->HasAlpha() ? gfx::SurfaceFormat::R8G8B8A8 : gfx::SurfaceFormat::B8G8R8X8;
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}
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gfx::IntSize
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MacIOSurfaceTextureHostBasic::GetSize() const {
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return gfx::IntSize(mSurface->GetDevicePixelWidth(),
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mSurface->GetDevicePixelHeight());
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}
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} // namespace layers
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} // namespace mozilla
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