зеркало из https://github.com/mozilla/gecko-dev.git
119 строки
2.6 KiB
C++
119 строки
2.6 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 "TextureSourceProviderMLGPU.h"
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#include "LayerManagerMLGPU.h"
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#include "MLGDevice.h"
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#ifdef XP_WIN
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# include "mozilla/layers/MLGDeviceD3D11.h"
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#endif
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namespace mozilla {
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namespace layers {
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TextureSourceProviderMLGPU::TextureSourceProviderMLGPU(LayerManagerMLGPU* aLayerManager, MLGDevice* aDevice)
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: mLayerManager(aLayerManager),
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mDevice(aDevice)
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{
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}
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TextureSourceProviderMLGPU::~TextureSourceProviderMLGPU()
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{
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}
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int32_t
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TextureSourceProviderMLGPU::GetMaxTextureSize() const
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{
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if (!mDevice) {
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return 0;
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}
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return mDevice->GetMaxTextureSize();
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}
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bool
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TextureSourceProviderMLGPU::SupportsEffect(EffectTypes aEffect)
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{
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switch (aEffect) {
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case EffectTypes::YCBCR:
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return true;
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default:
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MOZ_ASSERT_UNREACHABLE("NYI");
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}
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return false;
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}
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bool
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TextureSourceProviderMLGPU::IsValid() const
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{
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return !!mLayerManager;
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}
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void
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TextureSourceProviderMLGPU::Destroy()
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{
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mLayerManager = nullptr;
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mDevice = nullptr;
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TextureSourceProvider::Destroy();
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}
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#ifdef XP_WIN
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ID3D11Device*
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TextureSourceProviderMLGPU::GetD3D11Device() const
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{
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if (!mDevice) {
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return nullptr;
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}
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return mDevice->AsD3D11()->GetD3D11Device();
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}
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#endif
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TimeStamp
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TextureSourceProviderMLGPU::GetLastCompositionEndTime() const
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{
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if (!mLayerManager) {
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return TimeStamp();
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}
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return mLayerManager->GetLastCompositionEndTime();
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}
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already_AddRefed<DataTextureSource>
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TextureSourceProviderMLGPU::CreateDataTextureSource(TextureFlags aFlags)
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{
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RefPtr<DataTextureSource> texture = mDevice->CreateDataTextureSource(aFlags);
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return texture.forget();
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}
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already_AddRefed<DataTextureSource>
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TextureSourceProviderMLGPU::CreateDataTextureSourceAround(gfx::DataSourceSurface* aSurface)
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{
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MOZ_ASSERT_UNREACHABLE("NYI");
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return nullptr;
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}
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void
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TextureSourceProviderMLGPU::UnlockAfterComposition(TextureHost* aTexture)
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{
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TextureSourceProvider::UnlockAfterComposition(aTexture);
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// If this is being called after we shutdown the compositor, we must finish
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// read unlocking now to prevent a cycle.
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if (!IsValid()) {
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ReadUnlockTextures();
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}
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}
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bool
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TextureSourceProviderMLGPU::NotifyNotUsedAfterComposition(TextureHost* aTextureHost)
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{
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if (!IsValid()) {
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return false;
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}
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return TextureSourceProvider::NotifyNotUsedAfterComposition(aTextureHost);
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}
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} // namespace layers
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} // namespace mozilla
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