зеркало из https://github.com/mozilla/gecko-dev.git
90 строки
2.7 KiB
C++
90 строки
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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(
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MacIOSurface* aSurface)
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: mSurface(aSurface) {
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MOZ_COUNT_CTOR(MacIOSurfaceTextureSourceBasic);
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}
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MacIOSurfaceTextureSourceBasic::~MacIOSurfaceTextureSourceBasic() {
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MOZ_COUNT_DTOR(MacIOSurfaceTextureSourceBasic);
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}
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gfx::IntSize MacIOSurfaceTextureSourceBasic::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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gfx::SurfaceFormat MacIOSurfaceTextureSourceBasic::GetFormat() const {
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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
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: gfx::SurfaceFormat::B8G8R8A8;
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}
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MacIOSurfaceTextureHostBasic::MacIOSurfaceTextureHostBasic(
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TextureFlags aFlags, const SurfaceDescriptorMacIOSurface& aDescriptor)
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: TextureHost(aFlags) {
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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* MacIOSurfaceTextureSourceBasic::GetSurface(
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gfx::DrawTarget* aTarget) {
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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 MacIOSurfaceTextureHostBasic::Lock() {
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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 MacIOSurfaceTextureHostBasic::SetTextureSourceProvider(
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TextureSourceProvider* aProvider) {
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if (!aProvider->AsCompositor() ||
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!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 MacIOSurfaceTextureHostBasic::GetFormat() const {
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return mSurface->HasAlpha() ? gfx::SurfaceFormat::R8G8B8A8
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: gfx::SurfaceFormat::B8G8R8X8;
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}
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gfx::IntSize 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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