зеркало из https://github.com/mozilla/gecko-dev.git
729 строки
20 KiB
C++
729 строки
20 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 "mozilla/layers/TextureClient.h"
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#include <stdint.h> // for uint8_t, uint32_t, etc
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#include "Layers.h" // for Layer, etc
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#include "gfxContext.h" // for gfxContext, etc
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#include "gfxPlatform.h" // for gfxPlatform
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#include "gfxPoint.h" // for gfxIntSize, gfxSize
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#include "gfxReusableSurfaceWrapper.h" // for gfxReusableSurfaceWrapper
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#include "mozilla/gfx/BaseSize.h" // for BaseSize
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#include "mozilla/ipc/SharedMemory.h" // for SharedMemory, etc
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#include "mozilla/layers/CompositableClient.h" // for CompositableClient
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#include "mozilla/layers/CompositableForwarder.h"
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#include "mozilla/layers/ISurfaceAllocator.h"
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#include "mozilla/layers/ImageDataSerializer.h"
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#include "mozilla/layers/ShadowLayers.h" // for ShadowLayerForwarder
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#include "mozilla/layers/SharedPlanarYCbCrImage.h"
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#include "mozilla/layers/YCbCrImageDataSerializer.h"
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#include "nsDebug.h" // for NS_ASSERTION, NS_WARNING, etc
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#include "nsTraceRefcnt.h" // for MOZ_COUNT_CTOR, etc
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#ifdef MOZ_ANDROID_OMTC
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# include "gfxReusableImageSurfaceWrapper.h"
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# include "gfxImageSurface.h"
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#else
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# include "gfxReusableSharedImageSurfaceWrapper.h"
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# include "gfxSharedImageSurface.h"
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#endif
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using namespace mozilla::gl;
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namespace mozilla {
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namespace layers {
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class ShmemTextureClientData : public TextureClientData
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{
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public:
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ShmemTextureClientData(ipc::Shmem& aShmem)
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: mShmem(aShmem)
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{
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MOZ_COUNT_CTOR(ShmemTextureClientData);
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}
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~ShmemTextureClientData()
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{
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MOZ_COUNT_CTOR(ShmemTextureClientData);
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}
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virtual void DeallocateSharedData(ISurfaceAllocator* allocator)
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{
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allocator->DeallocShmem(mShmem);
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mShmem = ipc::Shmem();
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}
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private:
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ipc::Shmem mShmem;
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};
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class MemoryTextureClientData : public TextureClientData
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{
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public:
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MemoryTextureClientData(uint8_t* aBuffer)
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: mBuffer(aBuffer)
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{
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MOZ_COUNT_CTOR(MemoryTextureClientData);
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}
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~MemoryTextureClientData()
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{
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MOZ_ASSERT(!mBuffer, "Forgot to deallocate the shared texture data?");
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MOZ_COUNT_CTOR(MemoryTextureClientData);
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}
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virtual void DeallocateSharedData(ISurfaceAllocator*)
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{
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delete[] mBuffer;
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}
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private:
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uint8_t* mBuffer;
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};
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TextureClientData*
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MemoryTextureClient::DropTextureData()
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{
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if (!mBuffer) {
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return nullptr;
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}
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TextureClientData* result = new MemoryTextureClientData(mBuffer);
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MarkInvalid();
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mBuffer = nullptr;
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return result;
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}
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TextureClientData*
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ShmemTextureClient::DropTextureData()
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{
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if (!mShmem.IsReadable()) {
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return nullptr;
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}
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TextureClientData* result = new ShmemTextureClientData(mShmem);
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MarkInvalid();
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mShmem = ipc::Shmem();
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return result;
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}
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TextureClient::TextureClient(TextureFlags aFlags)
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: mID(0)
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, mFlags(aFlags)
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, mShared(false)
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, mValid(true)
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{}
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TextureClient::~TextureClient()
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{}
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bool
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TextureClient::ShouldDeallocateInDestructor() const
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{
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if (!IsAllocated()) {
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return false;
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}
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// If we're meant to be deallocated by the host,
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// but we haven't been shared yet, then we should
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// deallocate on the client instead.
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return !IsSharedWithCompositor();
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}
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bool
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ShmemTextureClient::ToSurfaceDescriptor(SurfaceDescriptor& aDescriptor)
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{
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MOZ_ASSERT(IsValid());
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if (!IsAllocated() || GetFormat() == gfx::FORMAT_UNKNOWN) {
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return false;
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}
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aDescriptor = SurfaceDescriptorShmem(mShmem, GetFormat());
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return true;
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}
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ISurfaceAllocator*
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ShmemTextureClient::GetAllocator() const
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{
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return mCompositable->GetForwarder();
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}
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bool
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ShmemTextureClient::Allocate(uint32_t aSize)
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{
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MOZ_ASSERT(IsValid());
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ipc::SharedMemory::SharedMemoryType memType = OptimalShmemType();
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mAllocated = GetAllocator()->AllocUnsafeShmem(aSize, memType, &mShmem);
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return mAllocated;
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}
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uint8_t*
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ShmemTextureClient::GetBuffer() const
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{
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MOZ_ASSERT(IsValid());
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if (mAllocated) {
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return mShmem.get<uint8_t>();
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}
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return nullptr;
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}
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size_t
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ShmemTextureClient::GetBufferSize() const
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{
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MOZ_ASSERT(IsValid());
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return mShmem.Size<uint8_t>();
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}
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ShmemTextureClient::ShmemTextureClient(CompositableClient* aCompositable,
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gfx::SurfaceFormat aFormat,
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TextureFlags aFlags)
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: BufferTextureClient(aCompositable, aFormat, aFlags)
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, mAllocated(false)
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{
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MOZ_COUNT_CTOR(ShmemTextureClient);
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}
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ShmemTextureClient::~ShmemTextureClient()
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{
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MOZ_COUNT_DTOR(ShmemTextureClient);
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if (ShouldDeallocateInDestructor()) {
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// if the buffer has never been shared we must deallocate it or ir would
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// leak.
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mCompositable->GetForwarder()->DeallocShmem(mShmem);
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}
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}
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bool
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MemoryTextureClient::ToSurfaceDescriptor(SurfaceDescriptor& aDescriptor)
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{
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MOZ_ASSERT(IsValid());
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if (!IsAllocated() || GetFormat() == gfx::FORMAT_UNKNOWN) {
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return false;
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}
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aDescriptor = SurfaceDescriptorMemory(reinterpret_cast<uintptr_t>(mBuffer),
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GetFormat());
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return true;
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}
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bool
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MemoryTextureClient::Allocate(uint32_t aSize)
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{
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MOZ_ASSERT(!mBuffer);
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mBuffer = new uint8_t[aSize];
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mBufSize = aSize;
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return true;
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}
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MemoryTextureClient::MemoryTextureClient(CompositableClient* aCompositable,
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gfx::SurfaceFormat aFormat,
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TextureFlags aFlags)
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: BufferTextureClient(aCompositable, aFormat, aFlags)
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, mBuffer(nullptr)
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, mBufSize(0)
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{
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MOZ_COUNT_CTOR(MemoryTextureClient);
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}
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MemoryTextureClient::~MemoryTextureClient()
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{
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MOZ_COUNT_DTOR(MemoryTextureClient);
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if (ShouldDeallocateInDestructor()) {
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// if the buffer has never been shared we must deallocate it or ir would
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// leak.
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delete mBuffer;
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}
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}
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BufferTextureClient::BufferTextureClient(CompositableClient* aCompositable,
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gfx::SurfaceFormat aFormat,
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TextureFlags aFlags)
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: TextureClient(aFlags)
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, mCompositable(aCompositable)
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, mFormat(aFormat)
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{}
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BufferTextureClient::~BufferTextureClient()
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{}
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bool
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BufferTextureClient::UpdateSurface(gfxASurface* aSurface)
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{
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MOZ_ASSERT(aSurface);
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MOZ_ASSERT(!IsImmutable());
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MOZ_ASSERT(IsValid());
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ImageDataSerializer serializer(GetBuffer());
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if (!serializer.IsValid()) {
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return false;
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}
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RefPtr<gfxImageSurface> surf = serializer.GetAsThebesSurface();
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if (!surf) {
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return false;
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}
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nsRefPtr<gfxContext> tmpCtx = new gfxContext(surf.get());
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tmpCtx->SetOperator(gfxContext::OPERATOR_SOURCE);
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tmpCtx->DrawSurface(aSurface, gfxSize(serializer.GetSize().width,
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serializer.GetSize().height));
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if (TextureRequiresLocking(mFlags) && !ImplementsLocking()) {
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// We don't have support for proper locking yet, so we'll
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// have to be immutable instead.
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MarkImmutable();
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}
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return true;
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}
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already_AddRefed<gfxASurface>
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BufferTextureClient::GetAsSurface()
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{
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MOZ_ASSERT(IsValid());
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ImageDataSerializer serializer(GetBuffer());
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if (!serializer.IsValid()) {
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return nullptr;
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}
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RefPtr<gfxImageSurface> surf = serializer.GetAsThebesSurface();
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nsRefPtr<gfxASurface> result = surf.get();
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return result.forget();
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}
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bool
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BufferTextureClient::AllocateForSurface(gfx::IntSize aSize)
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{
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MOZ_ASSERT(IsValid());
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MOZ_ASSERT(mFormat != gfx::FORMAT_YUV, "This textureClient cannot use YCbCr data");
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int bufSize
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= ImageDataSerializer::ComputeMinBufferSize(aSize, mFormat);
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if (!Allocate(bufSize)) {
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return false;
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}
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ImageDataSerializer serializer(GetBuffer());
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serializer.InitializeBufferInfo(aSize, mFormat);
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mSize = aSize;
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return true;
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}
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bool
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BufferTextureClient::UpdateYCbCr(const PlanarYCbCrImage::Data& aData)
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{
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MOZ_ASSERT(mFormat == gfx::FORMAT_YUV, "This textureClient can only use YCbCr data");
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MOZ_ASSERT(!IsImmutable());
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MOZ_ASSERT(IsValid());
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MOZ_ASSERT(aData.mCbSkip == aData.mCrSkip);
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YCbCrImageDataSerializer serializer(GetBuffer());
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MOZ_ASSERT(serializer.IsValid());
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if (!serializer.CopyData(aData.mYChannel, aData.mCbChannel, aData.mCrChannel,
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aData.mYSize, aData.mYStride,
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aData.mCbCrSize, aData.mCbCrStride,
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aData.mYSkip, aData.mCbSkip)) {
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NS_WARNING("Failed to copy image data!");
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return false;
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}
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if (TextureRequiresLocking(mFlags)) {
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// We don't have support for proper locking yet, so we'll
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// have to be immutable instead.
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MarkImmutable();
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}
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return true;
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}
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bool
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BufferTextureClient::AllocateForYCbCr(gfx::IntSize aYSize,
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gfx::IntSize aCbCrSize,
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StereoMode aStereoMode)
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{
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MOZ_ASSERT(IsValid());
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size_t bufSize = YCbCrImageDataSerializer::ComputeMinBufferSize(aYSize,
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aCbCrSize);
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if (!Allocate(bufSize)) {
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return false;
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}
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YCbCrImageDataSerializer serializer(GetBuffer());
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serializer.InitializeBufferInfo(aYSize,
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aCbCrSize,
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aStereoMode);
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mSize = aYSize;
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return true;
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}
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DeprecatedTextureClient::DeprecatedTextureClient(CompositableForwarder* aForwarder,
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const TextureInfo& aTextureInfo)
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: mForwarder(aForwarder)
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, mTextureInfo(aTextureInfo)
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, mAccessMode(ACCESS_READ_WRITE)
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{
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MOZ_COUNT_CTOR(DeprecatedTextureClient);
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}
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DeprecatedTextureClient::~DeprecatedTextureClient()
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{
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MOZ_COUNT_DTOR(DeprecatedTextureClient);
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MOZ_ASSERT(mDescriptor.type() == SurfaceDescriptor::T__None, "Need to release surface!");
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}
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DeprecatedTextureClientShmem::DeprecatedTextureClientShmem(CompositableForwarder* aForwarder,
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const TextureInfo& aTextureInfo)
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: DeprecatedTextureClient(aForwarder, aTextureInfo)
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{
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}
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void
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DeprecatedTextureClientShmem::ReleaseResources()
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{
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if (mSurface) {
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mSurface = nullptr;
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mSurfaceAsImage = nullptr;
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ShadowLayerForwarder::CloseDescriptor(mDescriptor);
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}
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if (mTextureInfo.mTextureFlags & TEXTURE_DEALLOCATE_HOST) {
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mDescriptor = SurfaceDescriptor();
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return;
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}
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if (IsSurfaceDescriptorValid(mDescriptor)) {
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mForwarder->DestroySharedSurface(&mDescriptor);
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mDescriptor = SurfaceDescriptor();
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}
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}
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bool
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DeprecatedTextureClientShmem::EnsureAllocated(gfx::IntSize aSize,
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gfxASurface::gfxContentType aContentType)
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{
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if (aSize != mSize ||
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aContentType != mContentType ||
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!IsSurfaceDescriptorValid(mDescriptor)) {
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ReleaseResources();
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mContentType = aContentType;
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mSize = aSize;
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if (!mForwarder->AllocSurfaceDescriptor(gfxIntSize(mSize.width, mSize.height),
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mContentType, &mDescriptor)) {
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NS_WARNING("creating SurfaceDescriptor failed!");
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}
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if (mContentType == gfxASurface::CONTENT_COLOR_ALPHA) {
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gfxASurface* surface = GetSurface();
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if (!surface) {
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return false;
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}
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nsRefPtr<gfxContext> context = new gfxContext(surface);
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context->SetColor(gfxRGBA(0, 0, 0, 0));
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context->SetOperator(gfxContext::OPERATOR_SOURCE);
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context->Paint();
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}
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}
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return true;
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}
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void
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DeprecatedTextureClientShmem::SetDescriptor(const SurfaceDescriptor& aDescriptor)
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{
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if (aDescriptor.type() == SurfaceDescriptor::Tnull_t) {
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EnsureAllocated(mSize, mContentType);
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return;
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}
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ReleaseResources();
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mDescriptor = aDescriptor;
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MOZ_ASSERT(!mSurface);
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NS_ASSERTION(mDescriptor.type() == SurfaceDescriptor::T__None ||
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mDescriptor.type() == SurfaceDescriptor::TSurfaceDescriptorGralloc ||
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mDescriptor.type() == SurfaceDescriptor::TShmem ||
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mDescriptor.type() == SurfaceDescriptor::TMemoryImage ||
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mDescriptor.type() == SurfaceDescriptor::TRGBImage,
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"Invalid surface descriptor");
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}
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gfxASurface*
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DeprecatedTextureClientShmem::GetSurface()
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{
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if (!mSurface) {
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if (!IsSurfaceDescriptorValid(mDescriptor)) {
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return nullptr;
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}
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MOZ_ASSERT(mAccessMode == ACCESS_READ_WRITE || mAccessMode == ACCESS_READ_ONLY);
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OpenMode mode = mAccessMode == ACCESS_READ_WRITE
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? OPEN_READ_WRITE
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: OPEN_READ_ONLY;
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mSurface = ShadowLayerForwarder::OpenDescriptor(mode, mDescriptor);
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MOZ_ASSERT(!mSurface || mSurface->GetContentType() == mContentType);
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}
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return mSurface.get();
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}
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gfx::DrawTarget*
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DeprecatedTextureClientShmem::LockDrawTarget()
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{
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if (mDrawTarget) {
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return mDrawTarget;
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}
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gfxASurface* surface = GetSurface();
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if (!surface) {
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return nullptr;
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}
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mDrawTarget = gfxPlatform::GetPlatform()->CreateDrawTargetForSurface(surface, mSize);
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return mDrawTarget;
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}
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void
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DeprecatedTextureClientShmem::Unlock()
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{
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mSurface = nullptr;
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mSurfaceAsImage = nullptr;
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mDrawTarget = nullptr;
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ShadowLayerForwarder::CloseDescriptor(mDescriptor);
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}
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gfxImageSurface*
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DeprecatedTextureClientShmem::LockImageSurface()
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{
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if (!mSurfaceAsImage) {
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gfxASurface* surface = GetSurface();
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if (!surface) {
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return nullptr;
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}
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mSurfaceAsImage = surface->GetAsImageSurface();
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}
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return mSurfaceAsImage.get();
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}
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DeprecatedTextureClientTile::DeprecatedTextureClientTile(const DeprecatedTextureClientTile& aOther)
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: DeprecatedTextureClient(aOther.mForwarder, aOther.mTextureInfo)
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, mSurface(aOther.mSurface)
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{}
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DeprecatedTextureClientTile::~DeprecatedTextureClientTile()
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{}
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void
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DeprecatedTextureClientShmemYCbCr::ReleaseResources()
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{
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GetForwarder()->DestroySharedSurface(&mDescriptor);
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}
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void
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DeprecatedTextureClientShmemYCbCr::SetDescriptor(const SurfaceDescriptor& aDescriptor)
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{
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MOZ_ASSERT(aDescriptor.type() == SurfaceDescriptor::TYCbCrImage ||
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aDescriptor.type() == SurfaceDescriptor::T__None);
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if (IsSurfaceDescriptorValid(mDescriptor)) {
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GetForwarder()->DestroySharedSurface(&mDescriptor);
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}
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mDescriptor = aDescriptor;
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}
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void
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DeprecatedTextureClientShmemYCbCr::SetDescriptorFromReply(const SurfaceDescriptor& aDescriptor)
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{
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MOZ_ASSERT(aDescriptor.type() == SurfaceDescriptor::TYCbCrImage);
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DeprecatedSharedPlanarYCbCrImage* shYCbCr = DeprecatedSharedPlanarYCbCrImage::FromSurfaceDescriptor(aDescriptor);
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if (shYCbCr) {
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shYCbCr->Release();
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mDescriptor = SurfaceDescriptor();
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} else {
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SetDescriptor(aDescriptor);
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}
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}
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bool
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DeprecatedTextureClientShmemYCbCr::EnsureAllocated(gfx::IntSize aSize,
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gfxASurface::gfxContentType aType)
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{
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NS_RUNTIMEABORT("not enough arguments to do this (need both Y and CbCr sizes)");
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return false;
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}
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DeprecatedTextureClientTile::DeprecatedTextureClientTile(CompositableForwarder* aForwarder,
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const TextureInfo& aTextureInfo,
|
|
gfxReusableSurfaceWrapper* aSurface)
|
|
: DeprecatedTextureClient(aForwarder, aTextureInfo)
|
|
, mSurface(aSurface)
|
|
{
|
|
mTextureInfo.mDeprecatedTextureHostFlags = TEXTURE_HOST_TILED;
|
|
}
|
|
|
|
bool
|
|
DeprecatedTextureClientTile::EnsureAllocated(gfx::IntSize aSize, gfxASurface::gfxContentType aType)
|
|
{
|
|
if (!mSurface ||
|
|
mSurface->Format() != gfxPlatform::GetPlatform()->OptimalFormatForContent(aType)) {
|
|
#ifdef MOZ_ANDROID_OMTC
|
|
// If we're using OMTC, we can save some cycles by not using shared
|
|
// memory. Using shared memory here is a small, but significant
|
|
// performance regression.
|
|
gfxImageSurface* tmpTile = new gfxImageSurface(gfxIntSize(aSize.width, aSize.height),
|
|
gfxPlatform::GetPlatform()->OptimalFormatForContent(aType),
|
|
aType != gfxASurface::CONTENT_COLOR);
|
|
mSurface = new gfxReusableImageSurfaceWrapper(tmpTile);
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|
#else
|
|
nsRefPtr<gfxSharedImageSurface> sharedImage =
|
|
gfxSharedImageSurface::CreateUnsafe(mForwarder,
|
|
gfxIntSize(aSize.width, aSize.height),
|
|
gfxPlatform::GetPlatform()->OptimalFormatForContent(aType));
|
|
mSurface = new gfxReusableSharedImageSurfaceWrapper(mForwarder, sharedImage);
|
|
#endif
|
|
mContentType = aType;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
gfxImageSurface*
|
|
DeprecatedTextureClientTile::LockImageSurface()
|
|
{
|
|
// Use the gfxReusableSurfaceWrapper, which will reuse the surface
|
|
// if the compositor no longer has a read lock, otherwise the surface
|
|
// will be copied into a new writable surface.
|
|
gfxImageSurface* writableSurface = nullptr;
|
|
mSurface = mSurface->GetWritable(&writableSurface);
|
|
return writableSurface;
|
|
}
|
|
|
|
// XXX - All the code below can be removed as soon as we remove
|
|
// DeprecatedImageClientSingle (which has already been ported to the new
|
|
// textures).
|
|
|
|
bool AutoLockShmemClient::Update(Image* aImage,
|
|
uint32_t aContentFlags,
|
|
gfxASurface *aSurface)
|
|
{
|
|
if (!aImage) {
|
|
return false;
|
|
}
|
|
|
|
gfxIntSize size = aImage->GetSize();
|
|
|
|
gfxASurface::gfxContentType contentType = aSurface->GetContentType();
|
|
bool isOpaque = (aContentFlags & Layer::CONTENT_OPAQUE);
|
|
if (contentType != gfxASurface::CONTENT_ALPHA &&
|
|
isOpaque) {
|
|
contentType = gfxASurface::CONTENT_COLOR;
|
|
}
|
|
mDeprecatedTextureClient->EnsureAllocated(gfx::IntSize(size.width, size.height), contentType);
|
|
|
|
OpenMode mode = mDeprecatedTextureClient->GetAccessMode() == DeprecatedTextureClient::ACCESS_READ_WRITE
|
|
? OPEN_READ_WRITE
|
|
: OPEN_READ_ONLY;
|
|
nsRefPtr<gfxASurface> tmpASurface =
|
|
ShadowLayerForwarder::OpenDescriptor(mode,
|
|
*mDeprecatedTextureClient->LockSurfaceDescriptor());
|
|
if (!tmpASurface) {
|
|
return false;
|
|
}
|
|
nsRefPtr<gfxContext> tmpCtx = new gfxContext(tmpASurface.get());
|
|
tmpCtx->SetOperator(gfxContext::OPERATOR_SOURCE);
|
|
tmpCtx->DrawSurface(aSurface, gfxSize(size.width, size.height));
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
AutoLockYCbCrClient::Update(PlanarYCbCrImage* aImage)
|
|
{
|
|
MOZ_ASSERT(aImage);
|
|
MOZ_ASSERT(mDescriptor);
|
|
|
|
const PlanarYCbCrImage::Data *data = aImage->GetData();
|
|
NS_ASSERTION(data, "Must be able to retrieve yuv data from image!");
|
|
if (!data) {
|
|
return false;
|
|
}
|
|
|
|
if (!EnsureDeprecatedTextureClient(aImage)) {
|
|
return false;
|
|
}
|
|
|
|
ipc::Shmem& shmem = mDescriptor->get_YCbCrImage().data();
|
|
|
|
YCbCrImageDataSerializer serializer(shmem.get<uint8_t>());
|
|
if (!serializer.CopyData(data->mYChannel, data->mCbChannel, data->mCrChannel,
|
|
data->mYSize, data->mYStride,
|
|
data->mCbCrSize, data->mCbCrStride,
|
|
data->mYSkip, data->mCbSkip)) {
|
|
NS_WARNING("Failed to copy image data!");
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool AutoLockYCbCrClient::EnsureDeprecatedTextureClient(PlanarYCbCrImage* aImage)
|
|
{
|
|
MOZ_ASSERT(aImage);
|
|
if (!aImage) {
|
|
return false;
|
|
}
|
|
|
|
const PlanarYCbCrImage::Data *data = aImage->GetData();
|
|
NS_ASSERTION(data, "Must be able to retrieve yuv data from image!");
|
|
if (!data) {
|
|
return false;
|
|
}
|
|
|
|
bool needsAllocation = false;
|
|
if (mDescriptor->type() != SurfaceDescriptor::TYCbCrImage) {
|
|
needsAllocation = true;
|
|
} else {
|
|
ipc::Shmem& shmem = mDescriptor->get_YCbCrImage().data();
|
|
YCbCrImageDataSerializer serializer(shmem.get<uint8_t>());
|
|
if (serializer.GetYSize() != data->mYSize ||
|
|
serializer.GetCbCrSize() != data->mCbCrSize) {
|
|
needsAllocation = true;
|
|
}
|
|
}
|
|
|
|
if (!needsAllocation) {
|
|
return true;
|
|
}
|
|
|
|
mDeprecatedTextureClient->ReleaseResources();
|
|
|
|
ipc::SharedMemory::SharedMemoryType shmType = OptimalShmemType();
|
|
size_t size = YCbCrImageDataSerializer::ComputeMinBufferSize(data->mYSize,
|
|
data->mCbCrSize);
|
|
ipc::Shmem shmem;
|
|
if (!mDeprecatedTextureClient->GetForwarder()->AllocUnsafeShmem(size, shmType, &shmem)) {
|
|
return false;
|
|
}
|
|
|
|
YCbCrImageDataSerializer serializer(shmem.get<uint8_t>());
|
|
serializer.InitializeBufferInfo(data->mYSize,
|
|
data->mCbCrSize,
|
|
data->mStereoMode);
|
|
|
|
*mDescriptor = YCbCrImage(shmem, 0);
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
}
|
|
}
|