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diff --git a/gfx/layers/basic/BasicCompositor.cpp b/gfx/layers/basic/BasicCompositor.cpp
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+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+* This Source Code Form is subject to the terms of the Mozilla Public
+* License, v. 2.0. If a copy of the MPL was not distributed with this
+* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "BasicCompositor.h"
+#include "BasicLayersImpl.h" // for FillRectWithMask
+#include "TextureHostBasic.h"
+#include "mozilla/layers/Effects.h"
+#include "nsIWidget.h"
+#include "gfx2DGlue.h"
+#include "mozilla/gfx/2D.h"
+#include "mozilla/gfx/gfxVars.h"
+#include "mozilla/gfx/Helpers.h"
+#include "mozilla/gfx/Tools.h"
+#include "mozilla/gfx/ssse3-scaler.h"
+#include "mozilla/layers/ImageDataSerializer.h"
+#include "mozilla/SSE.h"
+#include "gfxUtils.h"
+#include "YCbCrUtils.h"
+#include <algorithm>
+#include "ImageContainer.h"
+#include "gfxPrefs.h"
+
+namespace mozilla {
+using namespace mozilla::gfx;
+
+namespace layers {
+
+class DataTextureSourceBasic : public DataTextureSource
+ , public TextureSourceBasic
+{
+public:
+ virtual const char* Name() const override { return "DataTextureSourceBasic"; }
+
+ explicit DataTextureSourceBasic(DataSourceSurface* aSurface)
+ : mSurface(aSurface)
+ , mWrappingExistingData(!!aSurface)
+ {}
+
+ virtual DataTextureSource* AsDataTextureSource() override
+ {
+ // If the texture wraps someone else's memory we'd rather not use it as
+ // a DataTextureSource per say (that is call Update on it).
+ return mWrappingExistingData ? nullptr : this;
+ }
+
+ virtual TextureSourceBasic* AsSourceBasic() override { return this; }
+
+ virtual gfx::SourceSurface* GetSurface(DrawTarget* aTarget) override { return mSurface; }
+
+ SurfaceFormat GetFormat() const override
+ {
+ return mSurface ? mSurface->GetFormat() : gfx::SurfaceFormat::UNKNOWN;
+ }
+
+ virtual IntSize GetSize() const override
+ {
+ return mSurface ? mSurface->GetSize() : gfx::IntSize(0, 0);
+ }
+
+ virtual bool Update(gfx::DataSourceSurface* aSurface,
+ nsIntRegion* aDestRegion = nullptr,
+ gfx::IntPoint* aSrcOffset = nullptr) override
+ {
+ MOZ_ASSERT(!mWrappingExistingData);
+ if (mWrappingExistingData) {
+ return false;
+ }
+ mSurface = aSurface;
+ return true;
+ }
+
+ virtual void DeallocateDeviceData() override
+ {
+ mSurface = nullptr;
+ SetUpdateSerial(0);
+ }
+
+public:
+ RefPtr<gfx::DataSourceSurface> mSurface;
+ bool mWrappingExistingData;
+};
+
+/**
+ * WrappingTextureSourceYCbCrBasic wraps YUV format BufferTextureHost to defer
+ * yuv->rgb conversion. The conversion happens when GetSurface is called.
+ */
+class WrappingTextureSourceYCbCrBasic : public DataTextureSource
+ , public TextureSourceBasic
+{
+public:
+ virtual const char* Name() const override { return "WrappingTextureSourceYCbCrBasic"; }
+
+ explicit WrappingTextureSourceYCbCrBasic(BufferTextureHost* aTexture)
+ : mTexture(aTexture)
+ , mSize(aTexture->GetSize())
+ , mNeedsUpdate(true)
+ {
+ mFromYCBCR = true;
+ }
+
+ virtual DataTextureSource* AsDataTextureSource() override
+ {
+ return this;
+ }
+
+ virtual TextureSourceBasic* AsSourceBasic() override { return this; }
+
+ virtual WrappingTextureSourceYCbCrBasic* AsWrappingTextureSourceYCbCrBasic() override { return this; }
+
+ virtual gfx::SourceSurface* GetSurface(DrawTarget* aTarget) override
+ {
+ if (mSurface && !mNeedsUpdate) {
+ return mSurface;
+ }
+ MOZ_ASSERT(mTexture);
+ if (!mTexture) {
+ return nullptr;
+ }
+
+ if (!mSurface) {
+ mSurface = Factory::CreateDataSourceSurface(mSize, gfx::SurfaceFormat::B8G8R8X8);
+ }
+ if (!mSurface) {
+ return nullptr;
+ }
+ MOZ_ASSERT(mTexture->GetBufferDescriptor().type() == BufferDescriptor::TYCbCrDescriptor);
+ MOZ_ASSERT(mTexture->GetSize() == mSize);
+
+ mSurface =
+ ImageDataSerializer::DataSourceSurfaceFromYCbCrDescriptor(
+ mTexture->GetBuffer(),
+ mTexture->GetBufferDescriptor().get_YCbCrDescriptor(),
+ mSurface);
+ mNeedsUpdate = false;
+ return mSurface;
+ }
+
+ SurfaceFormat GetFormat() const override
+ {
+ return gfx::SurfaceFormat::B8G8R8X8;
+ }
+
+ virtual IntSize GetSize() const override
+ {
+ return mSize;
+ }
+
+ virtual bool Update(gfx::DataSourceSurface* aSurface,
+ nsIntRegion* aDestRegion = nullptr,
+ gfx::IntPoint* aSrcOffset = nullptr) override
+ {
+ return false;
+ }
+
+ virtual void DeallocateDeviceData() override
+ {
+ mTexture = nullptr;
+ mSurface = nullptr;
+ SetUpdateSerial(0);
+ }
+
+ virtual void Unbind() override
+ {
+ mNeedsUpdate = true;
+ }
+
+ void SetBufferTextureHost(BufferTextureHost* aTexture) override
+ {
+ mTexture = aTexture;
+ mNeedsUpdate = true;
+ }
+
+ void ConvertAndScale(const SurfaceFormat& aDestFormat,
+ const IntSize& aDestSize,
+ unsigned char* aDestBuffer,
+ int32_t aStride)
+ {
+ MOZ_ASSERT(mTexture);
+ if (!mTexture) {
+ return;
+ }
+ MOZ_ASSERT(mTexture->GetBufferDescriptor().type() == BufferDescriptor::TYCbCrDescriptor);
+ MOZ_ASSERT(mTexture->GetSize() == mSize);
+ ImageDataSerializer::ConvertAndScaleFromYCbCrDescriptor(
+ mTexture->GetBuffer(),
+ mTexture->GetBufferDescriptor().get_YCbCrDescriptor(),
+ aDestFormat,
+ aDestSize,
+ aDestBuffer,
+ aStride);
+ }
+public:
+ BufferTextureHost* mTexture;
+ const gfx::IntSize mSize;
+ RefPtr<gfx::DataSourceSurface> mSurface;
+ bool mNeedsUpdate;
+};
+
+BasicCompositor::BasicCompositor(CompositorBridgeParent* aParent, widget::CompositorWidget* aWidget)
+ : Compositor(aWidget, aParent)
+ , mDidExternalComposition(false)
+ , mIsPendingEndRemoteDrawing(false)
+{
+ MOZ_COUNT_CTOR(BasicCompositor);
+
+ mMaxTextureSize = Factory::GetMaxSurfaceSize(gfxVars::ContentBackend());
+}
+
+BasicCompositor::~BasicCompositor()
+{
+ MOZ_COUNT_DTOR(BasicCompositor);
+}
+
+bool
+BasicCompositor::Initialize(nsCString* const out_failureReason)
+{
+ return mWidget ? mWidget->InitCompositor(this) : false;
+};
+
+int32_t
+BasicCompositor::GetMaxTextureSize() const
+{
+ return mMaxTextureSize;
+}
+
+void
+BasicCompositingRenderTarget::BindRenderTarget()
+{
+ if (mClearOnBind) {
+ mDrawTarget->ClearRect(Rect(0, 0, mSize.width, mSize.height));
+ mClearOnBind = false;
+ }
+}
+
+void BasicCompositor::DetachWidget()
+{
+ if (mWidget) {
+ if (mIsPendingEndRemoteDrawing) {
+ // Force to end previous remote drawing.
+ TryToEndRemoteDrawing(/* aForceToEnd */ true);
+ MOZ_ASSERT(!mIsPendingEndRemoteDrawing);
+ }
+ mWidget->CleanupRemoteDrawing();
+ }
+ Compositor::DetachWidget();
+}
+
+TextureFactoryIdentifier
+BasicCompositor::GetTextureFactoryIdentifier()
+{
+ TextureFactoryIdentifier ident(LayersBackend::LAYERS_BASIC,
+ XRE_GetProcessType(),
+ GetMaxTextureSize());
+ return ident;
+}
+
+already_AddRefed<CompositingRenderTarget>
+BasicCompositor::CreateRenderTarget(const IntRect& aRect, SurfaceInitMode aInit)
+{
+ MOZ_ASSERT(aRect.width != 0 && aRect.height != 0, "Trying to create a render target of invalid size");
+
+ if (aRect.width * aRect.height == 0) {
+ return nullptr;
+ }
+
+ RefPtr<DrawTarget> target = mDrawTarget->CreateSimilarDrawTarget(aRect.Size(), SurfaceFormat::B8G8R8A8);
+
+ if (!target) {
+ return nullptr;
+ }
+
+ RefPtr<BasicCompositingRenderTarget> rt = new BasicCompositingRenderTarget(target, aRect);
+
+ return rt.forget();
+}
+
+already_AddRefed<CompositingRenderTarget>
+BasicCompositor::CreateRenderTargetFromSource(const IntRect &aRect,
+ const CompositingRenderTarget *aSource,
+ const IntPoint &aSourcePoint)
+{
+ MOZ_CRASH("GFX: Shouldn't be called!");
+ return nullptr;
+}
+
+already_AddRefed<CompositingRenderTarget>
+BasicCompositor::CreateRenderTargetForWindow(const LayoutDeviceIntRect& aRect, const LayoutDeviceIntRect& aClearRect, BufferMode aBufferMode)
+{
+ MOZ_ASSERT(mDrawTarget);
+ MOZ_ASSERT(aRect.width != 0 && aRect.height != 0, "Trying to create a render target of invalid size");
+
+ if (aRect.width * aRect.height == 0) {
+ return nullptr;
+ }
+
+ RefPtr<BasicCompositingRenderTarget> rt;
+ IntRect rect = aRect.ToUnknownRect();
+
+ if (aBufferMode != BufferMode::BUFFER_NONE) {
+ RefPtr<DrawTarget> target = mWidget->GetBackBufferDrawTarget(mDrawTarget, aRect, aClearRect);
+ if (!target) {
+ return nullptr;
+ }
+ MOZ_ASSERT(target != mDrawTarget);
+ rt = new BasicCompositingRenderTarget(target, rect);
+ } else {
+ IntRect windowRect = rect;
+ // Adjust bounds rect to account for new origin at (0, 0).
+ if (windowRect.Size() != mDrawTarget->GetSize()) {
+ windowRect.ExpandToEnclose(IntPoint(0, 0));
+ }
+ rt = new BasicCompositingRenderTarget(mDrawTarget, windowRect);
+ if (!aClearRect.IsEmpty()) {
+ IntRect clearRect = aRect.ToUnknownRect();
+ mDrawTarget->ClearRect(Rect(clearRect - rt->GetOrigin()));
+ }
+ }
+
+ return rt.forget();
+}
+
+already_AddRefed<DataTextureSource>
+BasicCompositor::CreateDataTextureSource(TextureFlags aFlags)
+{
+ RefPtr<DataTextureSourceBasic> result = new DataTextureSourceBasic(nullptr);
+ if (aFlags & TextureFlags::RGB_FROM_YCBCR) {
+ result->mFromYCBCR = true;
+ }
+ return result.forget();
+}
+
+already_AddRefed<DataTextureSource>
+BasicCompositor::CreateDataTextureSourceAround(DataSourceSurface* aSurface)
+{
+ RefPtr<DataTextureSource> result = new DataTextureSourceBasic(aSurface);
+ return result.forget();
+}
+
+already_AddRefed<DataTextureSource>
+BasicCompositor::CreateDataTextureSourceAroundYCbCr(TextureHost* aTexture)
+{
+ BufferTextureHost* bufferTexture = aTexture->AsBufferTextureHost();
+ MOZ_ASSERT(bufferTexture);
+
+ if (!bufferTexture) {
+ return nullptr;
+ }
+ RefPtr<DataTextureSource> result = new WrappingTextureSourceYCbCrBasic(bufferTexture);
+ return result.forget();
+}
+
+bool
+BasicCompositor::SupportsEffect(EffectTypes aEffect)
+{
+ return aEffect != EffectTypes::YCBCR && aEffect != EffectTypes::COMPONENT_ALPHA;
+}
+
+static void
+DrawSurfaceWithTextureCoords(DrawTarget *aDest,
+ const gfx::Rect& aDestRect,
+ SourceSurface *aSource,
+ const gfx::Rect& aTextureCoords,
+ gfx::SamplingFilter aSamplingFilter,
+ const DrawOptions& aOptions,
+ SourceSurface *aMask,
+ const Matrix* aMaskTransform)
+{
+ if (!aSource) {
+ gfxWarning() << "DrawSurfaceWithTextureCoords problem " << gfx::hexa(aSource) << " and " << gfx::hexa(aMask);
+ return;
+ }
+
+ // Convert aTextureCoords into aSource's coordinate space
+ gfxRect sourceRect(aTextureCoords.x * aSource->GetSize().width,
+ aTextureCoords.y * aSource->GetSize().height,
+ aTextureCoords.width * aSource->GetSize().width,
+ aTextureCoords.height * aSource->GetSize().height);
+
+ // Floating point error can accumulate above and we know our visible region
+ // is integer-aligned, so round it out.
+ sourceRect.Round();
+
+ // Compute a transform that maps sourceRect to aDestRect.
+ Matrix matrix =
+ gfxUtils::TransformRectToRect(sourceRect,
+ gfx::IntPoint::Truncate(aDestRect.x, aDestRect.y),
+ gfx::IntPoint::Truncate(aDestRect.XMost(), aDestRect.y),
+ gfx::IntPoint::Truncate(aDestRect.XMost(), aDestRect.YMost()));
+
+ // Only use REPEAT if aTextureCoords is outside (0, 0, 1, 1).
+ gfx::Rect unitRect(0, 0, 1, 1);
+ ExtendMode mode = unitRect.Contains(aTextureCoords) ? ExtendMode::CLAMP : ExtendMode::REPEAT;
+
+ FillRectWithMask(aDest, aDestRect, aSource, aSamplingFilter, aOptions,
+ mode, aMask, aMaskTransform, &matrix);
+}
+
+static void
+SetupMask(const EffectChain& aEffectChain,
+ DrawTarget* aDest,
+ const IntPoint& aOffset,
+ RefPtr<SourceSurface>& aMaskSurface,
+ Matrix& aMaskTransform)
+{
+ if (aEffectChain.mSecondaryEffects[EffectTypes::MASK]) {
+ EffectMask *effectMask = static_cast<EffectMask*>(aEffectChain.mSecondaryEffects[EffectTypes::MASK].get());
+ aMaskSurface = effectMask->mMaskTexture->AsSourceBasic()->GetSurface(aDest);
+ if (!aMaskSurface) {
+ gfxWarning() << "Invalid sourceMask effect";
+ }
+ MOZ_ASSERT(effectMask->mMaskTransform.Is2D(), "How did we end up with a 3D transform here?!");
+ aMaskTransform = effectMask->mMaskTransform.As2D();
+ aMaskTransform.PostTranslate(-aOffset.x, -aOffset.y);
+ }
+}
+
+static bool
+AttemptVideoScale(TextureSourceBasic* aSource, const SourceSurface* aSourceMask,
+ gfx::Float aOpacity, CompositionOp aBlendMode,
+ const TexturedEffect* aTexturedEffect,
+ const Matrix& aNewTransform, const gfx::Rect& aRect,
+ const gfx::Rect& aClipRect,
+ DrawTarget* aDest, const DrawTarget* aBuffer)
+{
+#ifdef MOZILLA_SSE_HAVE_CPUID_DETECTION
+ if (!mozilla::supports_ssse3())
+ return false;
+ if (aNewTransform.IsTranslation()) // unscaled painting should take the regular path
+ return false;
+ if (aNewTransform.HasNonAxisAlignedTransform() || aNewTransform.HasNegativeScaling())
+ return false;
+ if (aSourceMask || aOpacity != 1.0f)
+ return false;
+ if (aBlendMode != CompositionOp::OP_OVER && aBlendMode != CompositionOp::OP_SOURCE)
+ return false;
+
+ IntRect dstRect;
+ // the compiler should know a lot about aNewTransform at this point
+ // maybe it can do some sophisticated optimization of the following
+ if (!aNewTransform.TransformBounds(aRect).ToIntRect(&dstRect))
+ return false;
+
+ IntRect clipRect;
+ if (!aClipRect.ToIntRect(&clipRect))
+ return false;
+
+ if (!(aTexturedEffect->mTextureCoords == Rect(0.0f, 0.0f, 1.0f, 1.0f)))
+ return false;
+ if (aDest->GetFormat() == SurfaceFormat::R5G6B5_UINT16)
+ return false;
+
+ uint8_t* dstData;
+ IntSize dstSize;
+ int32_t dstStride;
+ SurfaceFormat dstFormat;
+ if (aDest->LockBits(&dstData, &dstSize, &dstStride, &dstFormat)) {
+ // If we're not painting to aBuffer the clip will
+ // be applied later
+ IntRect fillRect = dstRect;
+ if (aDest == aBuffer) {
+ // we need to clip fillRect because LockBits ignores the clip on the aDest
+ fillRect = fillRect.Intersect(clipRect);
+ }
+
+ fillRect = fillRect.Intersect(IntRect(IntPoint(0, 0), aDest->GetSize()));
+ IntPoint offset = fillRect.TopLeft() - dstRect.TopLeft();
+
+ RefPtr<DataSourceSurface> srcSource = aSource->GetSurface(aDest)->GetDataSurface();
+ DataSourceSurface::ScopedMap mapSrc(srcSource, DataSourceSurface::READ);
+
+ ssse3_scale_data((uint32_t*)mapSrc.GetData(), srcSource->GetSize().width, srcSource->GetSize().height,
+ mapSrc.GetStride()/4,
+ ((uint32_t*)dstData) + fillRect.x + (dstStride / 4) * fillRect.y, dstRect.width, dstRect.height,
+ dstStride / 4,
+ offset.x, offset.y,
+ fillRect.width, fillRect.height);
+
+ aDest->ReleaseBits(dstData);
+ return true;
+ } else
+#endif // MOZILLA_SSE_HAVE_CPUID_DETECTION
+ return false;
+}
+
+static bool
+AttemptVideoConvertAndScale(TextureSource* aSource, const SourceSurface* aSourceMask,
+ gfx::Float aOpacity, CompositionOp aBlendMode,
+ const TexturedEffect* aTexturedEffect,
+ const Matrix& aNewTransform, const gfx::Rect& aRect,
+ const gfx::Rect& aClipRect,
+ DrawTarget* aDest, const DrawTarget* aBuffer)
+{
+#if defined(XP_WIN) && defined(_M_X64)
+ // libyuv does not support SIMD scaling on win 64bit. See Bug 1295927.
+ return false;
+#endif
+
+ WrappingTextureSourceYCbCrBasic* wrappingSource = aSource->AsWrappingTextureSourceYCbCrBasic();
+ if (!wrappingSource)
+ return false;
+#ifdef MOZILLA_SSE_HAVE_CPUID_DETECTION
+ if (!mozilla::supports_ssse3()) // libyuv requests SSSE3 for fast YUV conversion.
+ return false;
+ if (aNewTransform.HasNonAxisAlignedTransform() || aNewTransform.HasNegativeScaling())
+ return false;
+ if (aSourceMask || aOpacity != 1.0f)
+ return false;
+ if (aBlendMode != CompositionOp::OP_OVER && aBlendMode != CompositionOp::OP_SOURCE)
+ return false;
+
+ IntRect dstRect;
+ // the compiler should know a lot about aNewTransform at this point
+ // maybe it can do some sophisticated optimization of the following
+ if (!aNewTransform.TransformBounds(aRect).ToIntRect(&dstRect))
+ return false;
+
+ IntRect clipRect;
+ if (!aClipRect.ToIntRect(&clipRect))
+ return false;
+
+ if (!(aTexturedEffect->mTextureCoords == Rect(0.0f, 0.0f, 1.0f, 1.0f)))
+ return false;
+ if (aDest->GetFormat() == SurfaceFormat::R5G6B5_UINT16)
+ return false;
+
+ if (aDest == aBuffer && !clipRect.Contains(dstRect))
+ return false;
+ if (!IntRect(IntPoint(0, 0), aDest->GetSize()).Contains(dstRect))
+ return false;
+
+ uint8_t* dstData;
+ IntSize dstSize;
+ int32_t dstStride;
+ SurfaceFormat dstFormat;
+ if (aDest->LockBits(&dstData, &dstSize, &dstStride, &dstFormat)) {
+ wrappingSource->ConvertAndScale(dstFormat,
+ dstRect.Size(),
+ dstData + ptrdiff_t(dstRect.x) * BytesPerPixel(dstFormat) + ptrdiff_t(dstRect.y) * dstStride,
+ dstStride);
+ aDest->ReleaseBits(dstData);
+ return true;
+ } else
+#endif // MOZILLA_SSE_HAVE_CPUID_DETECTION
+ return false;
+}
+
+void
+BasicCompositor::DrawQuad(const gfx::Rect& aRect,
+ const gfx::IntRect& aClipRect,
+ const EffectChain &aEffectChain,
+ gfx::Float aOpacity,
+ const gfx::Matrix4x4& aTransform,
+ const gfx::Rect& aVisibleRect)
+{
+ RefPtr<DrawTarget> buffer = mRenderTarget->mDrawTarget;
+
+ // For 2D drawing, |dest| and |buffer| are the same surface. For 3D drawing,
+ // |dest| is a temporary surface.
+ RefPtr<DrawTarget> dest = buffer;
+
+ AutoRestoreTransform autoRestoreTransform(dest);
+
+ Matrix newTransform;
+ Rect transformBounds;
+ Matrix4x4 new3DTransform;
+ IntPoint offset = mRenderTarget->GetOrigin();
+
+ if (aTransform.Is2D()) {
+ newTransform = aTransform.As2D();
+ } else {
+ // Create a temporary surface for the transform.
+ dest = Factory::CreateDrawTarget(gfxVars::ContentBackend(), RoundedOut(aRect).Size(), SurfaceFormat::B8G8R8A8);
+ if (!dest) {
+ return;
+ }
+
+ dest->SetTransform(Matrix::Translation(-aRect.x, -aRect.y));
+
+ // Get the bounds post-transform.
+ transformBounds = aTransform.TransformAndClipBounds(aRect, Rect(offset.x, offset.y, buffer->GetSize().width, buffer->GetSize().height));
+ transformBounds.RoundOut();
+
+ if (transformBounds.IsEmpty()) {
+ return;
+ }
+
+ newTransform = Matrix();
+
+ // When we apply the 3D transformation, we do it against a temporary
+ // surface, so undo the coordinate offset.
+ new3DTransform = aTransform;
+ new3DTransform.PreTranslate(aRect.x, aRect.y, 0);
+ }
+
+ // XXX the transform is probably just an integer offset so this whole
+ // business here is a bit silly.
+ Rect transformedClipRect = buffer->GetTransform().TransformBounds(Rect(aClipRect));
+
+ buffer->PushClipRect(Rect(aClipRect));
+
+ newTransform.PostTranslate(-offset.x, -offset.y);
+ buffer->SetTransform(newTransform);
+
+ RefPtr<SourceSurface> sourceMask;
+ Matrix maskTransform;
+ if (aTransform.Is2D()) {
+ SetupMask(aEffectChain, dest, offset, sourceMask, maskTransform);
+ }
+
+ CompositionOp blendMode = CompositionOp::OP_OVER;
+ if (Effect* effect = aEffectChain.mSecondaryEffects[EffectTypes::BLEND_MODE].get()) {
+ blendMode = static_cast<EffectBlendMode*>(effect)->mBlendMode;
+ }
+
+ switch (aEffectChain.mPrimaryEffect->mType) {
+ case EffectTypes::SOLID_COLOR: {
+ EffectSolidColor* effectSolidColor =
+ static_cast<EffectSolidColor*>(aEffectChain.mPrimaryEffect.get());
+
+ bool unboundedOp = !IsOperatorBoundByMask(blendMode);
+ if (unboundedOp) {
+ dest->PushClipRect(aRect);
+ }
+
+ FillRectWithMask(dest, aRect, effectSolidColor->mColor,
+ DrawOptions(aOpacity, blendMode), sourceMask, &maskTransform);
+
+ if (unboundedOp) {
+ dest->PopClip();
+ }
+ break;
+ }
+ case EffectTypes::RGB: {
+ TexturedEffect* texturedEffect =
+ static_cast<TexturedEffect*>(aEffectChain.mPrimaryEffect.get());
+ TextureSourceBasic* source = texturedEffect->mTexture->AsSourceBasic();
+
+ if (source && texturedEffect->mPremultiplied) {
+ // we have a fast path for video here
+ if (source->mFromYCBCR &&
+ AttemptVideoConvertAndScale(texturedEffect->mTexture, sourceMask, aOpacity, blendMode,
+ texturedEffect,
+ newTransform, aRect, transformedClipRect,
+ dest, buffer)) {
+ // we succeeded in convert and scaling
+ } else if (source->mFromYCBCR &&
+ !source->GetSurface(dest)) {
+ gfxWarning() << "Failed to get YCbCr to rgb surface.";
+ } else if (source->mFromYCBCR &&
+ AttemptVideoScale(source, sourceMask, aOpacity, blendMode,
+ texturedEffect,
+ newTransform, aRect, transformedClipRect,
+ dest, buffer)) {
+ // we succeeded in scaling
+ } else {
+ DrawSurfaceWithTextureCoords(dest, aRect,
+ source->GetSurface(dest),
+ texturedEffect->mTextureCoords,
+ texturedEffect->mSamplingFilter,
+ DrawOptions(aOpacity, blendMode),
+ sourceMask, &maskTransform);
+ }
+ } else if (source) {
+ SourceSurface* srcSurf = source->GetSurface(dest);
+ if (srcSurf) {
+ RefPtr<DataSourceSurface> srcData = srcSurf->GetDataSurface();
+
+ // Yes, we re-create the premultiplied data every time.
+ // This might be better with a cache, eventually.
+ RefPtr<DataSourceSurface> premultData = gfxUtils::CreatePremultipliedDataSurface(srcData);
+
+ DrawSurfaceWithTextureCoords(dest, aRect,
+ premultData,
+ texturedEffect->mTextureCoords,
+ texturedEffect->mSamplingFilter,
+ DrawOptions(aOpacity, blendMode),
+ sourceMask, &maskTransform);
+ }
+ } else {
+ gfxDevCrash(LogReason::IncompatibleBasicTexturedEffect) << "Bad for basic with " << texturedEffect->mTexture->Name() << " and " << gfx::hexa(sourceMask);
+ }
+
+ break;
+ }
+ case EffectTypes::YCBCR: {
+ NS_RUNTIMEABORT("Can't (easily) support component alpha with BasicCompositor!");
+ break;
+ }
+ case EffectTypes::RENDER_TARGET: {
+ EffectRenderTarget* effectRenderTarget =
+ static_cast<EffectRenderTarget*>(aEffectChain.mPrimaryEffect.get());
+ RefPtr<BasicCompositingRenderTarget> surface
+ = static_cast<BasicCompositingRenderTarget*>(effectRenderTarget->mRenderTarget.get());
+ RefPtr<SourceSurface> sourceSurf = surface->mDrawTarget->Snapshot();
+
+ DrawSurfaceWithTextureCoords(dest, aRect,
+ sourceSurf,
+ effectRenderTarget->mTextureCoords,
+ effectRenderTarget->mSamplingFilter,
+ DrawOptions(aOpacity, blendMode),
+ sourceMask, &maskTransform);
+ break;
+ }
+ case EffectTypes::COMPONENT_ALPHA: {
+ NS_RUNTIMEABORT("Can't (easily) support component alpha with BasicCompositor!");
+ break;
+ }
+ default: {
+ NS_RUNTIMEABORT("Invalid effect type!");
+ break;
+ }
+ }
+
+ if (!aTransform.Is2D()) {
+ dest->Flush();
+
+ RefPtr<SourceSurface> destSnapshot = dest->Snapshot();
+
+ SetupMask(aEffectChain, buffer, offset, sourceMask, maskTransform);
+
+ if (sourceMask) {
+ RefPtr<DrawTarget> transformDT =
+ dest->CreateSimilarDrawTarget(IntSize::Truncate(transformBounds.width, transformBounds.height),
+ SurfaceFormat::B8G8R8A8);
+ new3DTransform.PostTranslate(-transformBounds.x, -transformBounds.y, 0);
+ if (transformDT &&
+ transformDT->Draw3DTransformedSurface(destSnapshot, new3DTransform)) {
+ RefPtr<SourceSurface> transformSnapshot = transformDT->Snapshot();
+
+ // Transform the source by it's normal transform, and then the inverse
+ // of the mask transform so that it's in the mask's untransformed
+ // coordinate space.
+ Matrix sourceTransform = newTransform;
+ sourceTransform.PostTranslate(transformBounds.TopLeft());
+
+ Matrix inverseMask = maskTransform;
+ inverseMask.Invert();
+
+ sourceTransform *= inverseMask;
+
+ SurfacePattern source(transformSnapshot, ExtendMode::CLAMP, sourceTransform);
+
+ buffer->PushClipRect(transformBounds);
+
+ // Mask in the untransformed coordinate space, and then transform
+ // by the mask transform to put the result back into destination
+ // coords.
+ buffer->SetTransform(maskTransform);
+ buffer->MaskSurface(source, sourceMask, Point(0, 0));
+
+ buffer->PopClip();
+ }
+ } else {
+ buffer->Draw3DTransformedSurface(destSnapshot, new3DTransform);
+ }
+ }
+
+ buffer->PopClip();
+}
+
+void
+BasicCompositor::ClearRect(const gfx::Rect& aRect)
+{
+ mRenderTarget->mDrawTarget->ClearRect(aRect);
+}
+
+void
+BasicCompositor::BeginFrame(const nsIntRegion& aInvalidRegion,
+ const gfx::IntRect *aClipRectIn,
+ const gfx::IntRect& aRenderBounds,
+ const nsIntRegion& aOpaqueRegion,
+ gfx::IntRect *aClipRectOut /* = nullptr */,
+ gfx::IntRect *aRenderBoundsOut /* = nullptr */)
+{
+ if (mIsPendingEndRemoteDrawing) {
+ // Force to end previous remote drawing.
+ TryToEndRemoteDrawing(/* aForceToEnd */ true);
+ MOZ_ASSERT(!mIsPendingEndRemoteDrawing);
+ }
+
+ LayoutDeviceIntRect intRect(LayoutDeviceIntPoint(), mWidget->GetClientSize());
+ IntRect rect = IntRect(0, 0, intRect.width, intRect.height);
+
+ LayoutDeviceIntRegion invalidRegionSafe;
+ if (mDidExternalComposition) {
+ // We do not know rendered region during external composition, just redraw
+ // whole widget.
+ invalidRegionSafe = intRect;
+ mDidExternalComposition = false;
+ } else {
+ // Sometimes the invalid region is larger than we want to draw.
+ invalidRegionSafe.And(
+ LayoutDeviceIntRegion::FromUnknownRegion(aInvalidRegion), intRect);
+ }
+
+ mInvalidRegion = invalidRegionSafe;
+ mInvalidRect = mInvalidRegion.GetBounds();
+
+ if (aRenderBoundsOut) {
+ *aRenderBoundsOut = IntRect();
+ }
+
+ BufferMode bufferMode = BufferMode::BUFFERED;
+ if (mTarget) {
+ // If we have a copy target, then we don't have a widget-provided mDrawTarget (currently). Use a dummy
+ // placeholder so that CreateRenderTarget() works. This is only used to create a new buffered
+ // draw target that we composite into, then copy the results the destination.
+ mDrawTarget = mTarget;
+ bufferMode = BufferMode::BUFFER_NONE;
+ } else {
+ // StartRemoteDrawingInRegion can mutate mInvalidRegion.
+ mDrawTarget = mWidget->StartRemoteDrawingInRegion(mInvalidRegion, &bufferMode);
+ if (!mDrawTarget) {
+ return;
+ }
+ mInvalidRect = mInvalidRegion.GetBounds();
+ if (mInvalidRect.IsEmpty()) {
+ mWidget->EndRemoteDrawingInRegion(mDrawTarget, mInvalidRegion);
+ return;
+ }
+ }
+
+ if (!mDrawTarget || mInvalidRect.IsEmpty()) {
+ return;
+ }
+
+ LayoutDeviceIntRect clearRect;
+ if (!aOpaqueRegion.IsEmpty()) {
+ LayoutDeviceIntRegion clearRegion = mInvalidRegion;
+ clearRegion.SubOut(LayoutDeviceIntRegion::FromUnknownRegion(aOpaqueRegion));
+ clearRect = clearRegion.GetBounds();
+ } else {
+ clearRect = mInvalidRect;
+ }
+
+ // Prevent CreateRenderTargetForWindow from clearing unwanted area.
+ gfxUtils::ClipToRegion(mDrawTarget,
+ mInvalidRegion.ToUnknownRegion());
+
+ // Setup an intermediate render target to buffer all compositing. We will
+ // copy this into mDrawTarget (the widget), and/or mTarget in EndFrame()
+ RefPtr<CompositingRenderTarget> target =
+ CreateRenderTargetForWindow(mInvalidRect,
+ clearRect,
+ bufferMode);
+
+ mDrawTarget->PopClip();
+
+ if (!target) {
+ if (!mTarget) {
+ mWidget->EndRemoteDrawingInRegion(mDrawTarget, mInvalidRegion);
+ }
+ return;
+ }
+ SetRenderTarget(target);
+
+ // We only allocate a surface sized to the invalidated region, so we need to
+ // translate future coordinates.
+ mRenderTarget->mDrawTarget->SetTransform(Matrix::Translation(-mRenderTarget->GetOrigin()));
+
+ gfxUtils::ClipToRegion(mRenderTarget->mDrawTarget,
+ mInvalidRegion.ToUnknownRegion());
+
+ if (aRenderBoundsOut) {
+ *aRenderBoundsOut = rect;
+ }
+
+ if (aClipRectIn) {
+ mRenderTarget->mDrawTarget->PushClipRect(Rect(*aClipRectIn));
+ } else {
+ mRenderTarget->mDrawTarget->PushClipRect(Rect(rect));
+ if (aClipRectOut) {
+ *aClipRectOut = rect;
+ }
+ }
+}
+
+void
+BasicCompositor::EndFrame()
+{
+ Compositor::EndFrame();
+
+ // Pop aClipRectIn/bounds rect
+ mRenderTarget->mDrawTarget->PopClip();
+
+ if (gfxPrefs::WidgetUpdateFlashing()) {
+ float r = float(rand()) / RAND_MAX;
+ float g = float(rand()) / RAND_MAX;
+ float b = float(rand()) / RAND_MAX;
+ // We're still clipped to mInvalidRegion, so just fill the bounds.
+ mRenderTarget->mDrawTarget->FillRect(
+ IntRectToRect(mInvalidRegion.GetBounds()).ToUnknownRect(),
+ ColorPattern(Color(r, g, b, 0.2f)));
+ }
+
+ // Pop aInvalidregion
+ mRenderTarget->mDrawTarget->PopClip();
+
+ TryToEndRemoteDrawing();
+}
+
+void
+BasicCompositor::TryToEndRemoteDrawing(bool aForceToEnd)
+{
+ if (mIsDestroyed || !mRenderTarget) {
+ return;
+ }
+
+ // It it is not a good timing for EndRemoteDrawing, defter to call it.
+ if (!aForceToEnd && !mTarget && NeedsToDeferEndRemoteDrawing()) {
+ mIsPendingEndRemoteDrawing = true;
+
+ const uint32_t retryMs = 2;
+ RefPtr<BasicCompositor> self = this;
+ RefPtr<Runnable> runnable = NS_NewRunnableFunction([self]() {
+ self->TryToEndRemoteDrawing();
+ });
+ MessageLoop::current()->PostDelayedTask(runnable.forget(), retryMs);
+ return;
+ }
+
+ if (mRenderTarget->mDrawTarget != mDrawTarget) {
+ // Note: Most platforms require us to buffer drawing to the widget surface.
+ // That's why we don't draw to mDrawTarget directly.
+ RefPtr<SourceSurface> source;
+ if (mRenderTarget->mDrawTarget != mDrawTarget) {
+ source = mWidget->EndBackBufferDrawing();
+ } else {
+ source = mRenderTarget->mDrawTarget->Snapshot();
+ }
+ RefPtr<DrawTarget> dest(mTarget ? mTarget : mDrawTarget);
+
+ nsIntPoint offset = mTarget ? mTargetBounds.TopLeft() : nsIntPoint();
+
+ // The source DrawTarget is clipped to the invalidation region, so we have
+ // to copy the individual rectangles in the region or else we'll draw blank
+ // pixels.
+ for (auto iter = mInvalidRegion.RectIter(); !iter.Done(); iter.Next()) {
+ const LayoutDeviceIntRect& r = iter.Get();
+ dest->CopySurface(source,
+ IntRect(r.x, r.y, r.width, r.height) - mRenderTarget->GetOrigin(),
+ IntPoint(r.x, r.y) - offset);
+ }
+ }
+
+ if (aForceToEnd || !mTarget) {
+ mWidget->EndRemoteDrawingInRegion(mDrawTarget, mInvalidRegion);
+ }
+
+ mDrawTarget = nullptr;
+ mRenderTarget = nullptr;
+ mIsPendingEndRemoteDrawing = false;
+}
+
+bool
+BasicCompositor::NeedsToDeferEndRemoteDrawing()
+{
+ MOZ_ASSERT(mDrawTarget);
+ MOZ_ASSERT(mRenderTarget);
+
+ if (mTarget || mRenderTarget->mDrawTarget == mDrawTarget) {
+ return false;
+ }
+
+ return mWidget->NeedsToDeferEndRemoteDrawing();
+}
+
+void
+BasicCompositor::FinishPendingComposite()
+{
+ TryToEndRemoteDrawing(/* aForceToEnd */ true);
+}
+
+void
+BasicCompositor::EndFrameForExternalComposition(const gfx::Matrix& aTransform)
+{
+ MOZ_ASSERT(!mTarget);
+ MOZ_ASSERT(!mDrawTarget);
+ MOZ_ASSERT(!mRenderTarget);
+
+ mDidExternalComposition = true;
+}
+
+BasicCompositor*
+AssertBasicCompositor(Compositor* aCompositor)
+{
+ BasicCompositor* compositor = aCompositor ? aCompositor->AsBasicCompositor()
+ : nullptr;
+ MOZ_DIAGNOSTIC_ASSERT(!!compositor);
+ return compositor;
+}
+
+} // namespace layers
+} // namespace mozilla