зеркало из https://github.com/mozilla/gecko-dev.git
109 строки
3.1 KiB
C++
109 строки
3.1 KiB
C++
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/* -*- 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 "mozilla/layers/TextureHost.h"
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#include "mozilla/layers/LayersSurfaces.h"
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#include "LayersLogging.h"
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#include "nsPrintfCString.h"
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namespace mozilla {
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namespace layers {
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// implemented in TextureOGL.cpp
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TemporaryRef<TextureHost> CreateTextureHostOGL(SurfaceDescriptorType aDescriptorType,
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uint32_t aTextureHostFlags,
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uint32_t aTextureFlags);
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TemporaryRef<TextureHost> CreateTextureHostD3D9(SurfaceDescriptorType aDescriptorType,
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uint32_t aTextureHostFlags,
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uint32_t aTextureFlags)
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{
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NS_RUNTIMEABORT("not implemented");
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return nullptr;
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}
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/* static */ TemporaryRef<TextureHost>
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TextureHost::CreateTextureHost(SurfaceDescriptorType aDescriptorType,
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uint32_t aTextureHostFlags,
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uint32_t aTextureFlags)
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{
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switch (Compositor::GetBackend()) {
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case LAYERS_OPENGL : return CreateTextureHostOGL(aDescriptorType,
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aTextureHostFlags,
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aTextureFlags);
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case LAYERS_D3D9 : return CreateTextureHostD3D9(aDescriptorType,
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aTextureHostFlags,
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aTextureFlags);
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default : return nullptr;
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}
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}
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TextureHost::TextureHost()
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: mFlags(0)
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, mBuffer(nullptr)
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, mFormat(gfx::FORMAT_UNKNOWN)
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, mDeAllocator(nullptr)
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{
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MOZ_COUNT_CTOR(TextureHost);
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}
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TextureHost::~TextureHost()
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{
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if (mBuffer) {
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if (mDeAllocator) {
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mDeAllocator->DestroySharedSurface(mBuffer);
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} else {
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MOZ_ASSERT(mBuffer->type() == SurfaceDescriptor::Tnull_t);
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}
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delete mBuffer;
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}
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MOZ_COUNT_DTOR(TextureHost);
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}
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void
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TextureHost::Update(const SurfaceDescriptor& aImage,
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nsIntRegion* aRegion)
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{
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UpdateImpl(aImage, aRegion);
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}
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void
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TextureHost::SwapTextures(const SurfaceDescriptor& aImage,
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SurfaceDescriptor* aResult,
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nsIntRegion* aRegion)
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{
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SwapTexturesImpl(aImage, aRegion);
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MOZ_ASSERT(mBuffer, "trying to swap a non-buffered texture host?");
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if (aResult) {
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*aResult = *mBuffer;
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}
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*mBuffer = aImage;
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}
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#ifdef MOZ_LAYERS_HAVE_LOG
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void
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TextureSource::PrintInfo(nsACString& aTo, const char* aPrefix)
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{
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aTo += aPrefix;
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aTo += nsPrintfCString("UnknownTextureSource (0x%p)", this);
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}
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void
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TextureHost::PrintInfo(nsACString& aTo, const char* aPrefix)
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{
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aTo += aPrefix;
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aTo += nsPrintfCString("%s (0x%p)", Name(), this);
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AppendToString(aTo, GetSize(), " [size=", "]");
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AppendToString(aTo, GetFormat(), " [format=", "]");
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AppendToString(aTo, mFlags, " [flags=", "]");
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}
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#endif // MOZ_LAYERS_HAVE_LOG
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} // namespace
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} // namespace
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