Source code

Revision control

Other Tools

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "DrawTargetRecording.h"
#include "DrawTargetSkia.h"
#include "PathRecording.h"
#include <stdio.h>
#include "Logging.h"
#include "Tools.h"
#include "Filters.h"
#include "mozilla/gfx/DataSurfaceHelpers.h"
#include "mozilla/layers/SourceSurfaceSharedData.h"
#include "mozilla/UniquePtr.h"
#include "nsXULAppAPI.h" // for XRE_IsContentProcess()
#include "RecordingTypes.h"
#include "RecordedEventImpl.h"
namespace mozilla {
namespace gfx {
struct RecordingSourceSurfaceUserData {
void* refPtr;
RefPtr<DrawEventRecorderPrivate> recorder;
};
static void RecordingSourceSurfaceUserDataFunc(void* aUserData) {
RecordingSourceSurfaceUserData* userData =
static_cast<RecordingSourceSurfaceUserData*>(aUserData);
userData->recorder->RecordSourceSurfaceDestruction(
static_cast<SourceSurface*>(userData->refPtr));
delete userData;
}
static void EnsureSurfaceStoredRecording(DrawEventRecorderPrivate* aRecorder,
SourceSurface* aSurface,
const char* reason) {
if (aRecorder->HasStoredObject(aSurface)) {
return;
}
aRecorder->StoreSourceSurfaceRecording(aSurface, reason);
aRecorder->AddStoredObject(aSurface);
aRecorder->AddSourceSurface(aSurface);
RecordingSourceSurfaceUserData* userData = new RecordingSourceSurfaceUserData;
userData->refPtr = aSurface;
userData->recorder = aRecorder;
aSurface->AddUserData(reinterpret_cast<UserDataKey*>(aRecorder), userData,
&RecordingSourceSurfaceUserDataFunc);
}
class SourceSurfaceRecording : public SourceSurface {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SourceSurfaceRecording, override)
SourceSurfaceRecording(IntSize aSize, SurfaceFormat aFormat,
DrawEventRecorderPrivate* aRecorder,
SourceSurface* aOriginalSurface = nullptr)
: mSize(aSize),
mFormat(aFormat),
mRecorder(aRecorder),
mOriginalSurface(aOriginalSurface) {
mRecorder->AddStoredObject(this);
}
~SourceSurfaceRecording() {
mRecorder->RemoveStoredObject(this);
mRecorder->RecordEvent(
RecordedSourceSurfaceDestruction(ReferencePtr(this)));
}
SurfaceType GetType() const override { return SurfaceType::RECORDING; }
IntSize GetSize() const override { return mSize; }
SurfaceFormat GetFormat() const override { return mFormat; }
already_AddRefed<DataSourceSurface> GetDataSurface() override {
if (mOriginalSurface) {
return mOriginalSurface->GetDataSurface();
}
return nullptr;
}
IntSize mSize;
SurfaceFormat mFormat;
RefPtr<DrawEventRecorderPrivate> mRecorder;
// If a SourceSurfaceRecording is returned from an OptimizeSourceSurface call
// we need GetDataSurface to work, so we hold the original surface we
// optimized to return its GetDataSurface.
RefPtr<SourceSurface> mOriginalSurface;
};
class GradientStopsRecording : public GradientStops {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GradientStopsRecording, override)
explicit GradientStopsRecording(DrawEventRecorderPrivate* aRecorder)
: mRecorder(aRecorder) {
mRecorder->AddStoredObject(this);
}
virtual ~GradientStopsRecording() {
mRecorder->RemoveStoredObject(this);
mRecorder->RecordEvent(
RecordedGradientStopsDestruction(ReferencePtr(this)));
}
BackendType GetBackendType() const override { return BackendType::RECORDING; }
RefPtr<DrawEventRecorderPrivate> mRecorder;
};
class FilterNodeRecording : public FilterNode {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeRecording, override)
using FilterNode::SetAttribute;
explicit FilterNodeRecording(DrawEventRecorderPrivate* aRecorder)
: mRecorder(aRecorder) {
mRecorder->AddStoredObject(this);
}
virtual ~FilterNodeRecording() {
mRecorder->RemoveStoredObject(this);
mRecorder->RecordEvent(RecordedFilterNodeDestruction(ReferencePtr(this)));
}
void SetInput(uint32_t aIndex, SourceSurface* aSurface) override {
EnsureSurfaceStoredRecording(mRecorder, aSurface, "SetInput");
mRecorder->RecordEvent(RecordedFilterNodeSetInput(this, aIndex, aSurface));
}
void SetInput(uint32_t aIndex, FilterNode* aFilter) override {
MOZ_ASSERT(mRecorder->HasStoredObject(aFilter));
mRecorder->RecordEvent(RecordedFilterNodeSetInput(this, aIndex, aFilter));
}
#define FORWARD_SET_ATTRIBUTE(type, argtype) \
void SetAttribute(uint32_t aIndex, type aValue) override { \
mRecorder->RecordEvent(RecordedFilterNodeSetAttribute( \
this, aIndex, aValue, \
RecordedFilterNodeSetAttribute::ARGTYPE_##argtype)); \
}
FORWARD_SET_ATTRIBUTE(bool, BOOL);
FORWARD_SET_ATTRIBUTE(uint32_t, UINT32);
FORWARD_SET_ATTRIBUTE(Float, FLOAT);
FORWARD_SET_ATTRIBUTE(const Size&, SIZE);
FORWARD_SET_ATTRIBUTE(const IntSize&, INTSIZE);
FORWARD_SET_ATTRIBUTE(const IntPoint&, INTPOINT);
FORWARD_SET_ATTRIBUTE(const Rect&, RECT);
FORWARD_SET_ATTRIBUTE(const IntRect&, INTRECT);
FORWARD_SET_ATTRIBUTE(const Point&, POINT);
FORWARD_SET_ATTRIBUTE(const Matrix&, MATRIX);
FORWARD_SET_ATTRIBUTE(const Matrix5x4&, MATRIX5X4);
FORWARD_SET_ATTRIBUTE(const Point3D&, POINT3D);
FORWARD_SET_ATTRIBUTE(const DeviceColor&, COLOR);
#undef FORWARD_SET_ATTRIBUTE
void SetAttribute(uint32_t aIndex, const Float* aFloat,
uint32_t aSize) override {
mRecorder->RecordEvent(
RecordedFilterNodeSetAttribute(this, aIndex, aFloat, aSize));
}
FilterBackend GetBackendType() override { return FILTER_BACKEND_RECORDING; }
RefPtr<DrawEventRecorderPrivate> mRecorder;
};
DrawTargetRecording::DrawTargetRecording(DrawEventRecorder* aRecorder,
DrawTarget* aDT, IntRect aRect,
bool aHasData)
: mRecorder(static_cast<DrawEventRecorderPrivate*>(aRecorder)),
mFinalDT(aDT),
mRect(aRect) {
RefPtr<SourceSurface> snapshot = aHasData ? mFinalDT->Snapshot() : nullptr;
mRecorder->RecordEvent(
RecordedDrawTargetCreation(this, mFinalDT->GetBackendType(), mRect,
mFinalDT->GetFormat(), aHasData, snapshot));
mFormat = mFinalDT->GetFormat();
}
DrawTargetRecording::DrawTargetRecording(const DrawTargetRecording* aDT,
IntRect aRect, SurfaceFormat aFormat)
: mRecorder(aDT->mRecorder), mFinalDT(aDT->mFinalDT), mRect(aRect) {
mFormat = aFormat;
}
DrawTargetRecording::~DrawTargetRecording() {
mRecorder->RecordEvent(RecordedDrawTargetDestruction(ReferencePtr(this)));
}
void DrawTargetRecording::FillRect(const Rect& aRect, const Pattern& aPattern,
const DrawOptions& aOptions) {
EnsurePatternDependenciesStored(aPattern);
mRecorder->RecordEvent(RecordedFillRect(this, aRect, aPattern, aOptions));
}
void DrawTargetRecording::StrokeRect(const Rect& aRect, const Pattern& aPattern,
const StrokeOptions& aStrokeOptions,
const DrawOptions& aOptions) {
EnsurePatternDependenciesStored(aPattern);
mRecorder->RecordEvent(
RecordedStrokeRect(this, aRect, aPattern, aStrokeOptions, aOptions));
}
void DrawTargetRecording::StrokeLine(const Point& aBegin, const Point& aEnd,
const Pattern& aPattern,
const StrokeOptions& aStrokeOptions,
const DrawOptions& aOptions) {
EnsurePatternDependenciesStored(aPattern);
mRecorder->RecordEvent(RecordedStrokeLine(this, aBegin, aEnd, aPattern,
aStrokeOptions, aOptions));
}
void DrawTargetRecording::Fill(const Path* aPath, const Pattern& aPattern,
const DrawOptions& aOptions) {
RefPtr<PathRecording> pathRecording = EnsurePathStored(aPath);
EnsurePatternDependenciesStored(aPattern);
mRecorder->RecordEvent(RecordedFill(this, pathRecording, aPattern, aOptions));
}
struct RecordingFontUserData {
void* refPtr;
void* unscaledFont;
RefPtr<DrawEventRecorderPrivate> recorder;
};
static void RecordingFontUserDataDestroyFunc(void* aUserData) {
RecordingFontUserData* userData =
static_cast<RecordingFontUserData*>(aUserData);
userData->recorder->RecordEvent(
RecordedScaledFontDestruction(ReferencePtr(userData->refPtr)));
userData->recorder->RemoveScaledFont((ScaledFont*)userData->refPtr);
userData->recorder->DecrementUnscaledFontRefCount(userData->unscaledFont);
delete userData;
}
void DrawTargetRecording::FillGlyphs(ScaledFont* aFont,
const GlyphBuffer& aBuffer,
const Pattern& aPattern,
const DrawOptions& aOptions) {
EnsurePatternDependenciesStored(aPattern);
UserDataKey* userDataKey = reinterpret_cast<UserDataKey*>(mRecorder.get());
if (mRecorder->WantsExternalFonts()) {
mRecorder->AddScaledFont(aFont);
} else if (!aFont->GetUserData(userDataKey)) {
UnscaledFont* unscaledFont = aFont->GetUnscaledFont();
if (mRecorder->IncrementUnscaledFontRefCount(unscaledFont) == 0) {
// Prefer sending the description, if we can create one. This ensures
// we don't record the data of system fonts which saves time and can
// prevent duplicate copies from accumulating in the OS cache during
// playback.
RecordedFontDescriptor fontDesc(unscaledFont);
if (fontDesc.IsValid()) {
mRecorder->RecordEvent(fontDesc);
} else {
RecordedFontData fontData(unscaledFont);
RecordedFontDetails fontDetails;
if (fontData.GetFontDetails(fontDetails)) {
// Try to serialise the whole font, just in case this is a web font
// that is not present on the system.
if (!mRecorder->HasStoredFontData(fontDetails.fontDataKey)) {
mRecorder->RecordEvent(fontData);
mRecorder->AddStoredFontData(fontDetails.fontDataKey);
}
mRecorder->RecordEvent(
RecordedUnscaledFontCreation(unscaledFont, fontDetails));
} else {
gfxWarning() << "DrawTargetRecording::FillGlyphs failed to serialise "
"UnscaledFont";
}
}
}
mRecorder->RecordEvent(RecordedScaledFontCreation(aFont, unscaledFont));
RecordingFontUserData* userData = new RecordingFontUserData;
userData->refPtr = aFont;
userData->unscaledFont = unscaledFont;
userData->recorder = mRecorder;
aFont->AddUserData(userDataKey, userData,
&RecordingFontUserDataDestroyFunc);
userData->recorder->AddScaledFont(aFont);
}
mRecorder->RecordEvent(RecordedFillGlyphs(
this, aFont, aPattern, aOptions, aBuffer.mGlyphs, aBuffer.mNumGlyphs));
}
void DrawTargetRecording::Mask(const Pattern& aSource, const Pattern& aMask,
const DrawOptions& aOptions) {
EnsurePatternDependenciesStored(aSource);
EnsurePatternDependenciesStored(aMask);
mRecorder->RecordEvent(RecordedMask(this, aSource, aMask, aOptions));
}
void DrawTargetRecording::MaskSurface(const Pattern& aSource,
SourceSurface* aMask, Point aOffset,
const DrawOptions& aOptions) {
EnsurePatternDependenciesStored(aSource);
EnsureSurfaceStoredRecording(mRecorder, aMask, "MaskSurface");
mRecorder->RecordEvent(
RecordedMaskSurface(this, aSource, aMask, aOffset, aOptions));
}
void DrawTargetRecording::Stroke(const Path* aPath, const Pattern& aPattern,
const StrokeOptions& aStrokeOptions,
const DrawOptions& aOptions) {
RefPtr<PathRecording> pathRecording = EnsurePathStored(aPath);
EnsurePatternDependenciesStored(aPattern);
mRecorder->RecordEvent(
RecordedStroke(this, pathRecording, aPattern, aStrokeOptions, aOptions));
}
already_AddRefed<SourceSurface> DrawTargetRecording::Snapshot() {
RefPtr<SourceSurface> retSurf =
new SourceSurfaceRecording(mRect.Size(), mFormat, mRecorder);
mRecorder->RecordEvent(RecordedSnapshot(retSurf, this));
return retSurf.forget();
}
already_AddRefed<SourceSurface> DrawTargetRecording::IntoLuminanceSource(
LuminanceType aLuminanceType, float aOpacity) {
RefPtr<SourceSurface> retSurf =
new SourceSurfaceRecording(mRect.Size(), SurfaceFormat::A8, mRecorder);
mRecorder->RecordEvent(
RecordedIntoLuminanceSource(retSurf, this, aLuminanceType, aOpacity));
return retSurf.forget();
}
void DrawTargetRecording::Flush() {
mRecorder->RecordEvent(RecordedFlush(this));
}
void DrawTargetRecording::DetachAllSnapshots() {
mRecorder->RecordEvent(RecordedDetachAllSnapshots(this));
}
void DrawTargetRecording::DrawSurface(SourceSurface* aSurface,
const Rect& aDest, const Rect& aSource,
const DrawSurfaceOptions& aSurfOptions,
const DrawOptions& aOptions) {
EnsureSurfaceStoredRecording(mRecorder, aSurface, "DrawSurface");
mRecorder->RecordEvent(RecordedDrawSurface(this, aSurface, aDest, aSource,
aSurfOptions, aOptions));
}
void DrawTargetRecording::DrawDependentSurface(
uint64_t aId, const Rect& aDest, const DrawSurfaceOptions& aSurfOptions,
const DrawOptions& aOptions) {
mRecorder->AddDependentSurface(aId);
mRecorder->RecordEvent(
RecordedDrawDependentSurface(this, aId, aDest, aSurfOptions, aOptions));
}
void DrawTargetRecording::DrawSurfaceWithShadow(
SourceSurface* aSurface, const Point& aDest, const DeviceColor& aColor,
const Point& aOffset, Float aSigma, CompositionOp aOp) {
EnsureSurfaceStoredRecording(mRecorder, aSurface, "DrawSurfaceWithShadow");
mRecorder->RecordEvent(RecordedDrawSurfaceWithShadow(
this, aSurface, aDest, aColor, aOffset, aSigma, aOp));
}
void DrawTargetRecording::DrawFilter(FilterNode* aNode, const Rect& aSourceRect,
const Point& aDestPoint,
const DrawOptions& aOptions) {
MOZ_ASSERT(mRecorder->HasStoredObject(aNode));
mRecorder->RecordEvent(
RecordedDrawFilter(this, aNode, aSourceRect, aDestPoint, aOptions));
}
already_AddRefed<FilterNode> DrawTargetRecording::CreateFilter(
FilterType aType) {
RefPtr<FilterNode> retNode = new FilterNodeRecording(mRecorder);
mRecorder->RecordEvent(RecordedFilterNodeCreation(retNode, aType));
return retNode.forget();
}
void DrawTargetRecording::ClearRect(const Rect& aRect) {
mRecorder->RecordEvent(RecordedClearRect(this, aRect));
}
void DrawTargetRecording::CopySurface(SourceSurface* aSurface,
const IntRect& aSourceRect,
const IntPoint& aDestination) {
EnsureSurfaceStoredRecording(mRecorder, aSurface, "CopySurface");
mRecorder->RecordEvent(
RecordedCopySurface(this, aSurface, aSourceRect, aDestination));
}
void DrawTargetRecording::PushClip(const Path* aPath) {
RefPtr<PathRecording> pathRecording = EnsurePathStored(aPath);
mRecorder->RecordEvent(RecordedPushClip(this, pathRecording));
}
void DrawTargetRecording::PushClipRect(const Rect& aRect) {
mRecorder->RecordEvent(RecordedPushClipRect(this, aRect));
}
void DrawTargetRecording::PopClip() {
mRecorder->RecordEvent(RecordedPopClip(static_cast<DrawTarget*>(this)));
}
void DrawTargetRecording::PushLayer(bool aOpaque, Float aOpacity,
SourceSurface* aMask,
const Matrix& aMaskTransform,
const IntRect& aBounds,
bool aCopyBackground) {
if (aMask) {
EnsureSurfaceStoredRecording(mRecorder, aMask, "PushLayer");
}
mRecorder->RecordEvent(RecordedPushLayer(this, aOpaque, aOpacity, aMask,
aMaskTransform, aBounds,
aCopyBackground));
}
void DrawTargetRecording::PushLayerWithBlend(bool aOpaque, Float aOpacity,
SourceSurface* aMask,
const Matrix& aMaskTransform,
const IntRect& aBounds,
bool aCopyBackground,
CompositionOp aCompositionOp) {
if (aMask) {
EnsureSurfaceStoredRecording(mRecorder, aMask, "PushLayer");
}
mRecorder->RecordEvent(
RecordedPushLayerWithBlend(this, aOpaque, aOpacity, aMask, aMaskTransform,
aBounds, aCopyBackground, aCompositionOp));
}
void DrawTargetRecording::PopLayer() {
mRecorder->RecordEvent(RecordedPopLayer(static_cast<DrawTarget*>(this)));
}
already_AddRefed<SourceSurface>
DrawTargetRecording::CreateSourceSurfaceFromData(unsigned char* aData,
const IntSize& aSize,
int32_t aStride,
SurfaceFormat aFormat) const {
RefPtr<SourceSurface> surface = CreateDataSourceSurfaceWithStrideFromData(
aSize, aFormat, aStride, aData, aStride);
if (!surface) {
return nullptr;
}
return OptimizeSourceSurface(surface);
}
already_AddRefed<SourceSurface> DrawTargetRecording::OptimizeSourceSurface(
SourceSurface* aSurface) const {
if (aSurface->GetType() == SurfaceType::RECORDING &&
static_cast<SourceSurfaceRecording*>(aSurface)->mRecorder == mRecorder) {
// aSurface is already optimized for our recorder.
return do_AddRef(aSurface);
}
EnsureSurfaceStoredRecording(mRecorder, aSurface, "OptimizeSourceSurface");
RefPtr<SourceSurface> retSurf = new SourceSurfaceRecording(
aSurface->GetSize(), aSurface->GetFormat(), mRecorder, aSurface);
mRecorder->RecordEvent(
RecordedOptimizeSourceSurface(aSurface, this, retSurf));
return retSurf.forget();
}
already_AddRefed<SourceSurface>
DrawTargetRecording::CreateSourceSurfaceFromNativeSurface(
const NativeSurface& aSurface) const {
MOZ_ASSERT(false);
return nullptr;
}
already_AddRefed<DrawTarget>
DrawTargetRecording::CreateSimilarDrawTargetWithBacking(
const IntSize& aSize, SurfaceFormat aFormat) const {
RefPtr<DrawTarget> similarDT;
if (mFinalDT->CanCreateSimilarDrawTarget(aSize, aFormat)) {
// If the requested similar draw target is too big, then we should try to
// rasterize on the content side to avoid duplicating the effort when a
// blob image gets tiled. If we fail somehow to produce it, we can fall
// back to recording.
constexpr int32_t kRasterThreshold = 256 * 256 * 4;
int32_t stride = aSize.width * BytesPerPixel(aFormat);
int32_t surfaceBytes = aSize.height * stride;
if (surfaceBytes >= kRasterThreshold) {
auto surface = MakeRefPtr<SourceSurfaceSharedData>();
if (surface->Init(aSize, stride, aFormat)) {
auto dt = MakeRefPtr<DrawTargetSkia>();
if (dt->Init(std::move(surface))) {
return dt.forget();
} else {
MOZ_ASSERT_UNREACHABLE("Skia should initialize given surface!");
}
}
}
}
return CreateSimilarDrawTarget(aSize, aFormat);
}
already_AddRefed<DrawTarget> DrawTargetRecording::CreateSimilarDrawTarget(
const IntSize& aSize, SurfaceFormat aFormat) const {
RefPtr<DrawTarget> similarDT;
if (mFinalDT->CanCreateSimilarDrawTarget(aSize, aFormat)) {
similarDT =
new DrawTargetRecording(this, IntRect(IntPoint(0, 0), aSize), aFormat);
mRecorder->RecordEvent(
RecordedCreateSimilarDrawTarget(similarDT.get(), aSize, aFormat));
} else if (XRE_IsContentProcess()) {
// Crash any content process that calls this function with arguments that
// would fail to create a similar draw target. We do this to root out bad
// callers. We don't want to crash any important processes though so for
// for those we'll just gracefully return nullptr.
MOZ_CRASH(
"Content-process DrawTargetRecording can't create requested similar "
"drawtarget");
}
return similarDT.forget();
}
bool DrawTargetRecording::CanCreateSimilarDrawTarget(
const IntSize& aSize, SurfaceFormat aFormat) const {
return mFinalDT->CanCreateSimilarDrawTarget(aSize, aFormat);
}
RefPtr<DrawTarget> DrawTargetRecording::CreateClippedDrawTarget(
const Rect& aBounds, SurfaceFormat aFormat) {
RefPtr<DrawTarget> similarDT;
similarDT = new DrawTargetRecording(this, mRect, aFormat);
mRecorder->RecordEvent(
RecordedCreateClippedDrawTarget(this, similarDT.get(), aBounds, aFormat));
similarDT->SetTransform(mTransform);
return similarDT;
}
already_AddRefed<DrawTarget>
DrawTargetRecording::CreateSimilarDrawTargetForFilter(
const IntSize& aMaxSize, SurfaceFormat aFormat, FilterNode* aFilter,
FilterNode* aSource, const Rect& aSourceRect, const Point& aDestPoint) {
RefPtr<DrawTarget> similarDT;
if (mFinalDT->CanCreateSimilarDrawTarget(aMaxSize, aFormat)) {
similarDT = new DrawTargetRecording(this, IntRect(IntPoint(0, 0), aMaxSize),
aFormat);
mRecorder->RecordEvent(RecordedCreateDrawTargetForFilter(
this, similarDT.get(), aMaxSize, aFormat, aFilter, aSource, aSourceRect,
aDestPoint));
} else if (XRE_IsContentProcess()) {
// See CreateSimilarDrawTarget
MOZ_CRASH(
"Content-process DrawTargetRecording can't create requested clipped "
"drawtarget");
}
return similarDT.forget();
}
already_AddRefed<PathBuilder> DrawTargetRecording::CreatePathBuilder(
FillRule aFillRule) const {
RefPtr<PathBuilder> builder = mFinalDT->CreatePathBuilder(aFillRule);
return MakeAndAddRef<PathBuilderRecording>(builder, aFillRule);
}
already_AddRefed<GradientStops> DrawTargetRecording::CreateGradientStops(
GradientStop* aStops, uint32_t aNumStops, ExtendMode aExtendMode) const {
RefPtr<GradientStops> retStops = new GradientStopsRecording(mRecorder);
mRecorder->RecordEvent(
RecordedGradientStopsCreation(retStops, aStops, aNumStops, aExtendMode));
return retStops.forget();
}
void DrawTargetRecording::SetTransform(const Matrix& aTransform) {
mRecorder->RecordEvent(RecordedSetTransform(this, aTransform));
DrawTarget::SetTransform(aTransform);
}
already_AddRefed<PathRecording> DrawTargetRecording::EnsurePathStored(
const Path* aPath) {
RefPtr<PathRecording> pathRecording;
if (aPath->GetBackendType() == BackendType::RECORDING) {
pathRecording =
const_cast<PathRecording*>(static_cast<const PathRecording*>(aPath));
if (mRecorder->HasStoredObject(aPath)) {
return pathRecording.forget();
}
} else {
MOZ_ASSERT(!mRecorder->HasStoredObject(aPath));
FillRule fillRule = aPath->GetFillRule();
RefPtr<PathBuilder> builder = mFinalDT->CreatePathBuilder(fillRule);
RefPtr<PathBuilderRecording> builderRecording =
new PathBuilderRecording(builder, fillRule);
aPath->StreamToSink(builderRecording);
pathRecording = builderRecording->Finish().downcast<PathRecording>();
}
mRecorder->RecordEvent(RecordedPathCreation(pathRecording.get()));
mRecorder->AddStoredObject(pathRecording);
pathRecording->mStoredRecorders.push_back(mRecorder);
return pathRecording.forget();
}
// This should only be called on the 'root' DrawTargetRecording.
// Calling it on a child DrawTargetRecordings will cause confusion.
void DrawTargetRecording::FlushItem(const IntRect& aBounds) {
mRecorder->FlushItem(aBounds);
// Reinitialize the recorder (FlushItem will write a new recording header)
// Tell the new recording about our draw target
// This code should match what happens in the DrawTargetRecording constructor.
mRecorder->RecordEvent(
RecordedDrawTargetCreation(this, mFinalDT->GetBackendType(), mRect,
mFinalDT->GetFormat(), false, nullptr));
// Add the current transform to the new recording
mRecorder->RecordEvent(
RecordedSetTransform(this, DrawTarget::GetTransform()));
}
void DrawTargetRecording::EnsurePatternDependenciesStored(
const Pattern& aPattern) {
switch (aPattern.GetType()) {
case PatternType::COLOR:
// No dependencies here.
return;
case PatternType::LINEAR_GRADIENT: {
MOZ_ASSERT_IF(
static_cast<const LinearGradientPattern*>(&aPattern)->mStops,
mRecorder->HasStoredObject(
static_cast<const LinearGradientPattern*>(&aPattern)->mStops));
return;
}
case PatternType::RADIAL_GRADIENT: {
MOZ_ASSERT_IF(
static_cast<const RadialGradientPattern*>(&aPattern)->mStops,
mRecorder->HasStoredObject(
static_cast<const RadialGradientPattern*>(&aPattern)->mStops));
return;
}
case PatternType::CONIC_GRADIENT: {
MOZ_ASSERT_IF(
static_cast<const ConicGradientPattern*>(&aPattern)->mStops,
mRecorder->HasStoredObject(
static_cast<const ConicGradientPattern*>(&aPattern)->mStops));
return;
}
case PatternType::SURFACE: {
const SurfacePattern* pat = static_cast<const SurfacePattern*>(&aPattern);
EnsureSurfaceStoredRecording(mRecorder, pat->mSurface,
"EnsurePatternDependenciesStored");
return;
}
}
}
} // namespace gfx
} // namespace mozilla