mirror of
https://github.com/mozilla/gecko-dev.git
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471 lines
12 KiB
C++
471 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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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 "TextureD3D11.h"
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#include "CompositorD3D11.h"
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#include "gfxContext.h"
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#include "Effects.h"
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#include "mozilla/layers/YCbCrImageDataSerializer.h"
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#include "gfxWindowsPlatform.h"
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#include "gfxD2DSurface.h"
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#include "gfx2DGlue.h"
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namespace mozilla {
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using namespace gfx;
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namespace layers {
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static DXGI_FORMAT
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SurfaceFormatToDXGIFormat(gfx::SurfaceFormat aFormat)
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{
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switch (aFormat) {
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case SurfaceFormat::B8G8R8A8:
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return DXGI_FORMAT_B8G8R8A8_UNORM;
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case SurfaceFormat::B8G8R8X8:
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return DXGI_FORMAT_B8G8R8A8_UNORM;
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case SurfaceFormat::A8:
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return DXGI_FORMAT_A8_UNORM;
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default:
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MOZ_ASSERT(false, "unsupported format");
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return DXGI_FORMAT_UNKNOWN;
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}
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}
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static uint32_t
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GetRequiredTilesD3D11(uint32_t aSize, uint32_t aMaxSize)
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{
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uint32_t requiredTiles = aSize / aMaxSize;
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if (aSize % aMaxSize) {
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requiredTiles++;
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}
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return requiredTiles;
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}
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static IntRect
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GetTileRectD3D11(uint32_t aID, IntSize aSize, uint32_t aMaxSize)
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{
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uint32_t horizontalTiles = GetRequiredTilesD3D11(aSize.width, aMaxSize);
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uint32_t verticalTiles = GetRequiredTilesD3D11(aSize.height, aMaxSize);
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uint32_t verticalTile = aID / horizontalTiles;
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uint32_t horizontalTile = aID % horizontalTiles;
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return IntRect(horizontalTile * aMaxSize,
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verticalTile * aMaxSize,
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horizontalTile < (horizontalTiles - 1) ? aMaxSize : aSize.width % aMaxSize,
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verticalTile < (verticalTiles - 1) ? aMaxSize : aSize.height % aMaxSize);
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}
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DataTextureSourceD3D11::DataTextureSourceD3D11(SurfaceFormat aFormat,
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CompositorD3D11* aCompositor,
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TextureFlags aFlags)
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: mCompositor(aCompositor)
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, mFormat(aFormat)
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, mFlags(aFlags)
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, mCurrentTile(0)
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, mIsTiled(false)
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, mIterating(false)
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{
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MOZ_COUNT_CTOR(DataTextureSourceD3D11);
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}
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DataTextureSourceD3D11::DataTextureSourceD3D11(SurfaceFormat aFormat,
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CompositorD3D11* aCompositor,
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ID3D11Texture2D* aTexture)
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: mCompositor(aCompositor)
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, mFormat(aFormat)
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, mFlags(TextureFlags::NO_FLAGS)
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, mCurrentTile(0)
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, mIsTiled(false)
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, mIterating(false)
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{
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MOZ_COUNT_CTOR(DataTextureSourceD3D11);
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mTexture = aTexture;
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D3D11_TEXTURE2D_DESC desc;
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aTexture->GetDesc(&desc);
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mSize = IntSize(desc.Width, desc.Height);
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}
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DataTextureSourceD3D11::~DataTextureSourceD3D11()
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{
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MOZ_COUNT_DTOR(DataTextureSourceD3D11);
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}
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template<typename T> // ID3D10Texture2D or ID3D11Texture2D
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static void LockD3DTexture(T* aTexture)
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{
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MOZ_ASSERT(aTexture);
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RefPtr<IDXGIKeyedMutex> mutex;
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aTexture->QueryInterface((IDXGIKeyedMutex**)byRef(mutex));
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if (mutex) {
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mutex->AcquireSync(0, INFINITE);
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}
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}
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template<typename T> // ID3D10Texture2D or ID3D11Texture2D
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static void UnlockD3DTexture(T* aTexture)
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{
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MOZ_ASSERT(aTexture);
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RefPtr<IDXGIKeyedMutex> mutex;
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aTexture->QueryInterface((IDXGIKeyedMutex**)byRef(mutex));
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if (mutex) {
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mutex->ReleaseSync(0);
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}
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}
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TemporaryRef<TextureHost>
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CreateTextureHostD3D11(const SurfaceDescriptor& aDesc,
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ISurfaceAllocator* aDeallocator,
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TextureFlags aFlags)
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{
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RefPtr<TextureHost> result;
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switch (aDesc.type()) {
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case SurfaceDescriptor::TSurfaceDescriptorShmem:
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case SurfaceDescriptor::TSurfaceDescriptorMemory: {
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result = CreateBackendIndependentTextureHost(aDesc, aDeallocator, aFlags);
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break;
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}
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case SurfaceDescriptor::TSurfaceDescriptorD3D10: {
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result = new DXGITextureHostD3D11(aFlags,
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aDesc.get_SurfaceDescriptorD3D10());
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break;
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}
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default: {
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NS_WARNING("Unsupported SurfaceDescriptor type");
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}
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}
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return result;
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}
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TextureClientD3D11::TextureClientD3D11(gfx::SurfaceFormat aFormat, TextureFlags aFlags)
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: TextureClient(aFlags)
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, mFormat(aFormat)
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, mIsLocked(false)
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, mNeedsClear(false)
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{}
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TextureClientD3D11::~TextureClientD3D11()
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{
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#ifdef DEBUG
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// An Azure DrawTarget needs to be locked when it gets nullptr'ed as this is
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// when it calls EndDraw. This EndDraw should not execute anything so it
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// shouldn't -really- need the lock but the debug layer chokes on this.
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if (mDrawTarget) {
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MOZ_ASSERT(!mIsLocked);
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MOZ_ASSERT(mTexture);
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MOZ_ASSERT(mDrawTarget->refCount() == 1);
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LockD3DTexture(mTexture.get());
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mDrawTarget = nullptr;
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UnlockD3DTexture(mTexture.get());
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}
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#endif
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}
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bool
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TextureClientD3D11::Lock(OpenMode aMode)
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{
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if (!mTexture) {
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return false;
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}
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MOZ_ASSERT(!mIsLocked, "The Texture is already locked!");
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LockD3DTexture(mTexture.get());
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mIsLocked = true;
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if (mNeedsClear) {
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mDrawTarget = GetAsDrawTarget();
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mDrawTarget->ClearRect(Rect(0, 0, GetSize().width, GetSize().height));
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mNeedsClear = false;
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}
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return true;
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}
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void
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TextureClientD3D11::Unlock()
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{
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MOZ_ASSERT(mIsLocked, "Unlocked called while the texture is not locked!");
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if (mDrawTarget) {
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// see the comment on TextureClient::GetAsDrawTarget.
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// This DrawTarget is internal to the TextureClient and is only exposed to the
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// outside world between Lock() and Unlock(). This assertion checks that no outside
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// reference remains by the time Unlock() is called.
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MOZ_ASSERT(mDrawTarget->refCount() == 1);
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mDrawTarget->Flush();
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}
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// The DrawTarget is created only once, and is only usable between calls
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// to Lock and Unlock.
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UnlockD3DTexture(mTexture.get());
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mIsLocked = false;
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}
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TemporaryRef<DrawTarget>
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TextureClientD3D11::GetAsDrawTarget()
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{
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MOZ_ASSERT(mIsLocked, "Calling TextureClient::GetAsDrawTarget without locking :(");
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if (!mTexture) {
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return nullptr;
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}
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if (mDrawTarget) {
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return mDrawTarget;
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}
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mDrawTarget = Factory::CreateDrawTargetForD3D10Texture(mTexture, mFormat);
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return mDrawTarget;
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}
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bool
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TextureClientD3D11::AllocateForSurface(gfx::IntSize aSize, TextureAllocationFlags aFlags)
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{
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mSize = aSize;
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ID3D10Device* device = gfxWindowsPlatform::GetPlatform()->GetD3D10Device();
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CD3D10_TEXTURE2D_DESC newDesc(DXGI_FORMAT_B8G8R8A8_UNORM,
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aSize.width, aSize.height, 1, 1,
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D3D10_BIND_RENDER_TARGET | D3D10_BIND_SHADER_RESOURCE);
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newDesc.MiscFlags = D3D10_RESOURCE_MISC_SHARED_KEYEDMUTEX;
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HRESULT hr = device->CreateTexture2D(&newDesc, nullptr, byRef(mTexture));
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if (FAILED(hr)) {
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LOGD3D11("Error creating texture for client!");
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return false;
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}
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// Defer clearing to the next time we lock to avoid an extra (expensive) lock.
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mNeedsClear = aFlags & ALLOC_CLEAR_BUFFER;
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return true;
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}
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bool
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TextureClientD3D11::ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor)
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{
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if (!IsAllocated()) {
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return false;
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}
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RefPtr<IDXGIResource> resource;
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mTexture->QueryInterface((IDXGIResource**)byRef(resource));
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HANDLE sharedHandle;
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HRESULT hr = resource->GetSharedHandle(&sharedHandle);
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if (FAILED(hr)) {
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LOGD3D11("Error getting shared handle for texture.");
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return false;
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}
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aOutDescriptor = SurfaceDescriptorD3D10((WindowsHandle)sharedHandle, mFormat, mSize);
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return true;
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}
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DXGITextureHostD3D11::DXGITextureHostD3D11(TextureFlags aFlags,
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const SurfaceDescriptorD3D10& aDescriptor)
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: TextureHost(aFlags)
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, mHandle(aDescriptor.handle())
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, mFormat(aDescriptor.format())
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, mIsLocked(false)
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{}
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ID3D11Device*
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DXGITextureHostD3D11::GetDevice()
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{
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return mCompositor ? mCompositor->GetDevice() : nullptr;
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}
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void
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DXGITextureHostD3D11::SetCompositor(Compositor* aCompositor)
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{
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mCompositor = static_cast<CompositorD3D11*>(aCompositor);
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}
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bool
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DXGITextureHostD3D11::Lock()
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{
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if (!GetDevice()) {
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NS_WARNING("trying to lock a TextureHost without a D3D device");
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return false;
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}
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if (!mTextureSource) {
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RefPtr<ID3D11Texture2D> tex;
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HRESULT hr = GetDevice()->OpenSharedResource((HANDLE)mHandle,
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__uuidof(ID3D11Texture2D),
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(void**)(ID3D11Texture2D**)byRef(tex));
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if (FAILED(hr)) {
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NS_WARNING("Failed to open shared texture");
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return false;
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}
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mTextureSource = new DataTextureSourceD3D11(mFormat, mCompositor, tex);
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D3D11_TEXTURE2D_DESC desc;
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tex->GetDesc(&desc);
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mSize = IntSize(desc.Width, desc.Height);
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}
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LockD3DTexture(mTextureSource->GetD3D11Texture());
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mIsLocked = true;
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return true;
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}
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void
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DXGITextureHostD3D11::Unlock()
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{
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MOZ_ASSERT(mIsLocked);
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UnlockD3DTexture(mTextureSource->GetD3D11Texture());
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mIsLocked = false;
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}
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NewTextureSource*
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DXGITextureHostD3D11::GetTextureSources()
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{
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return mTextureSource.get();
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}
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bool
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DataTextureSourceD3D11::Update(DataSourceSurface* aSurface,
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nsIntRegion* aDestRegion,
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IntPoint* aSrcOffset)
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{
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// Right now we only support full surface update. If aDestRegion is provided,
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// It will be ignored. Incremental update with a source offset is only used
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// on Mac so it is not clear that we ever will need to support it for D3D.
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MOZ_ASSERT(!aSrcOffset);
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MOZ_ASSERT(aSurface);
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if (!mCompositor || !mCompositor->GetDevice()) {
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return false;
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}
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uint32_t bpp = BytesPerPixel(aSurface->GetFormat());
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DXGI_FORMAT dxgiFormat = SurfaceFormatToDXGIFormat(aSurface->GetFormat());
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mSize = aSurface->GetSize();
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mFormat = aSurface->GetFormat();
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CD3D11_TEXTURE2D_DESC desc(dxgiFormat, mSize.width, mSize.height,
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1, 1, D3D11_BIND_SHADER_RESOURCE,
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D3D11_USAGE_IMMUTABLE);
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int32_t maxSize = mCompositor->GetMaxTextureSize();
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if ((mSize.width <= maxSize && mSize.height <= maxSize) ||
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(mFlags & TextureFlags::DISALLOW_BIGIMAGE)) {
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D3D11_SUBRESOURCE_DATA initData;
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initData.pSysMem = aSurface->GetData();
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initData.SysMemPitch = aSurface->Stride();
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mCompositor->GetDevice()->CreateTexture2D(&desc, &initData, byRef(mTexture));
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mIsTiled = false;
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if (!mTexture) {
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Reset();
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return false;
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}
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} else {
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mIsTiled = true;
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uint32_t tileCount = GetRequiredTilesD3D11(mSize.width, maxSize) *
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GetRequiredTilesD3D11(mSize.height, maxSize);
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mTileTextures.resize(tileCount);
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mTexture = nullptr;
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for (uint32_t i = 0; i < tileCount; i++) {
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IntRect tileRect = GetTileRect(i);
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desc.Width = tileRect.width;
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desc.Height = tileRect.height;
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D3D11_SUBRESOURCE_DATA initData;
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initData.pSysMem = aSurface->GetData() +
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tileRect.y * aSurface->Stride() +
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tileRect.x * bpp;
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initData.SysMemPitch = aSurface->Stride();
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mCompositor->GetDevice()->CreateTexture2D(&desc, &initData, byRef(mTileTextures[i]));
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if (!mTileTextures[i]) {
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Reset();
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return false;
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}
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}
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}
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return true;
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}
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ID3D11Texture2D*
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DataTextureSourceD3D11::GetD3D11Texture() const
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{
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return mIterating ? mTileTextures[mCurrentTile]
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: mTexture;
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}
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void
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DataTextureSourceD3D11::Reset()
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{
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mTexture = nullptr;
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mTileTextures.resize(0);
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mIsTiled = false;
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mSize.width = 0;
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mSize.height = 0;
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}
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IntRect
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DataTextureSourceD3D11::GetTileRect(uint32_t aIndex) const
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{
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return GetTileRectD3D11(aIndex, mSize, mCompositor->GetMaxTextureSize());
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}
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nsIntRect
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DataTextureSourceD3D11::GetTileRect()
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{
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IntRect rect = GetTileRect(mCurrentTile);
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return nsIntRect(rect.x, rect.y, rect.width, rect.height);
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}
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void
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DataTextureSourceD3D11::SetCompositor(Compositor* aCompositor)
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{
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CompositorD3D11* d3dCompositor = static_cast<CompositorD3D11*>(aCompositor);
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if (mCompositor && mCompositor != d3dCompositor) {
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Reset();
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}
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mCompositor = d3dCompositor;
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}
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CompositingRenderTargetD3D11::CompositingRenderTargetD3D11(ID3D11Texture2D* aTexture,
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const gfx::IntPoint& aOrigin)
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: CompositingRenderTarget(aOrigin)
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{
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MOZ_ASSERT(aTexture);
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mTexture = aTexture;
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RefPtr<ID3D11Device> device;
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mTexture->GetDevice(byRef(device));
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HRESULT hr = device->CreateRenderTargetView(mTexture, nullptr, byRef(mRTView));
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if (FAILED(hr)) {
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LOGD3D11("Failed to create RenderTargetView.");
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}
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}
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IntSize
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CompositingRenderTargetD3D11::GetSize() const
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{
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return TextureSourceD3D11::GetSize();
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}
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}
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}
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