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gecko-dev/gfx/2d/DrawTargetRecording.cpp

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25 KiB
C++
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/* -*- Mode: C++; tab-width: 20; 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 "PathRecording.h"
#include <stdio.h>
#include "Logging.h"
#include "Tools.h"
#include "Filters.h"
#include "mozilla/UniquePtr.h"
#include "RecordingTypes.h"
namespace mozilla {
namespace gfx {
struct RecordingSourceSurfaceUserData
{
void *refPtr;
RefPtr<DrawEventRecorderPrivate> recorder;
};
void RecordingSourceSurfaceUserDataFunc(void *aUserData)
{
RecordingSourceSurfaceUserData *userData =
static_cast<RecordingSourceSurfaceUserData*>(aUserData);
userData->recorder->RemoveStoredObject(userData->refPtr);
userData->recorder->RecordEvent(
RecordedSourceSurfaceDestruction(userData->refPtr));
delete userData;
}
static void
StoreSourceSurface(DrawEventRecorderPrivate *aRecorder, SourceSurface *aSurface,
DataSourceSurface *aDataSurf, const char *reason)
{
if (!aDataSurf) {
gfxWarning() << "Recording failed to record SourceSurface for " << reason;
// Insert a bogus source surface.
int32_t stride = aSurface->GetSize().width * BytesPerPixel(aSurface->GetFormat());
UniquePtr<uint8_t[]> sourceData(new uint8_t[stride * aSurface->GetSize().height]());
aRecorder->RecordEvent(
RecordedSourceSurfaceCreation(aSurface, sourceData.get(), stride,
aSurface->GetSize(), aSurface->GetFormat()));
} else {
DataSourceSurface::ScopedMap map(aDataSurf, DataSourceSurface::READ);
aRecorder->RecordEvent(
RecordedSourceSurfaceCreation(aSurface, map.GetData(), map.GetStride(),
aDataSurf->GetSize(), aDataSurf->GetFormat()));
}
}
static void
EnsureSurfaceStored(DrawEventRecorderPrivate *aRecorder, SourceSurface *aSurface,
const char *reason)
{
if (aRecorder->HasStoredObject(aSurface)) {
return;
}
RefPtr<DataSourceSurface> dataSurf = aSurface->GetDataSurface();
StoreSourceSurface(aRecorder, aSurface, dataSurf, reason);
aRecorder->AddStoredObject(aSurface);
RecordingSourceSurfaceUserData *userData = new RecordingSourceSurfaceUserData;
userData->refPtr = aSurface;
userData->recorder = aRecorder;
aSurface->AddUserData(reinterpret_cast<UserDataKey*>(aRecorder),
userData, &RecordingSourceSurfaceUserDataFunc);
return;
}
class SourceSurfaceRecording : public SourceSurface
{
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SourceSurfaceRecording)
SourceSurfaceRecording(SourceSurface *aFinalSurface, DrawEventRecorderPrivate *aRecorder)
: mFinalSurface(aFinalSurface), mRecorder(aRecorder)
{
mRecorder->AddStoredObject(this);
}
~SourceSurfaceRecording()
{
mRecorder->RemoveStoredObject(this);
mRecorder->RecordEvent(RecordedSourceSurfaceDestruction(this));
}
virtual SurfaceType GetType() const { return SurfaceType::RECORDING; }
virtual IntSize GetSize() const { return mFinalSurface->GetSize(); }
virtual SurfaceFormat GetFormat() const { return mFinalSurface->GetFormat(); }
virtual already_AddRefed<DataSourceSurface> GetDataSurface() { return mFinalSurface->GetDataSurface(); }
RefPtr<SourceSurface> mFinalSurface;
RefPtr<DrawEventRecorderPrivate> mRecorder;
};
class GradientStopsRecording : public GradientStops
{
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GradientStopsRecording)
GradientStopsRecording(GradientStops *aFinalGradientStops, DrawEventRecorderPrivate *aRecorder)
: mFinalGradientStops(aFinalGradientStops), mRecorder(aRecorder)
{
mRecorder->AddStoredObject(this);
}
~GradientStopsRecording()
{
mRecorder->RemoveStoredObject(this);
mRecorder->RecordEvent(RecordedGradientStopsDestruction(this));
}
virtual BackendType GetBackendType() const { return BackendType::RECORDING; }
RefPtr<GradientStops> mFinalGradientStops;
RefPtr<DrawEventRecorderPrivate> mRecorder;
};
static SourceSurface *
GetSourceSurface(SourceSurface *aSurface)
{
if (aSurface->GetType() != SurfaceType::RECORDING) {
return aSurface;
}
return static_cast<SourceSurfaceRecording*>(aSurface)->mFinalSurface;
}
static GradientStops *
GetGradientStops(GradientStops *aStops)
{
if (aStops->GetBackendType() != BackendType::RECORDING) {
return aStops;
}
return static_cast<GradientStopsRecording*>(aStops)->mFinalGradientStops;
}
class FilterNodeRecording : public FilterNode
{
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(FilterNodeRecording, override)
using FilterNode::SetAttribute;
FilterNodeRecording(FilterNode *aFinalFilterNode, DrawEventRecorderPrivate *aRecorder)
: mFinalFilterNode(aFinalFilterNode), mRecorder(aRecorder)
{
mRecorder->AddStoredObject(this);
}
~FilterNodeRecording()
{
mRecorder->RemoveStoredObject(this);
mRecorder->RecordEvent(RecordedFilterNodeDestruction(this));
}
static FilterNode*
GetFilterNode(FilterNode* aNode)
{
if (aNode->GetBackendType() != FILTER_BACKEND_RECORDING) {
gfxWarning() << "Non recording filter node used with recording DrawTarget!";
return aNode;
}
return static_cast<FilterNodeRecording*>(aNode)->mFinalFilterNode;
}
virtual void SetInput(uint32_t aIndex, SourceSurface *aSurface) override
{
EnsureSurfaceStored(mRecorder, aSurface, "SetInput");
mRecorder->RecordEvent(RecordedFilterNodeSetInput(this, aIndex, aSurface));
mFinalFilterNode->SetInput(aIndex, GetSourceSurface(aSurface));
}
virtual void SetInput(uint32_t aIndex, FilterNode *aFilter) override
{
MOZ_ASSERT(mRecorder->HasStoredObject(aFilter));
mRecorder->RecordEvent(RecordedFilterNodeSetInput(this, aIndex, aFilter));
mFinalFilterNode->SetInput(aIndex, GetFilterNode(aFilter));
}
#define FORWARD_SET_ATTRIBUTE(type, argtype) \
virtual void SetAttribute(uint32_t aIndex, type aValue) override { \
mRecorder->RecordEvent(RecordedFilterNodeSetAttribute(this, aIndex, aValue, RecordedFilterNodeSetAttribute::ARGTYPE_##argtype)); \
mFinalFilterNode->SetAttribute(aIndex, aValue); \
}
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 Color&, COLOR);
#undef FORWARD_SET_ATTRIBUTE
virtual void SetAttribute(uint32_t aIndex, const Float* aFloat, uint32_t aSize) override {
mRecorder->RecordEvent(RecordedFilterNodeSetAttribute(this, aIndex, aFloat, aSize));
mFinalFilterNode->SetAttribute(aIndex, aFloat, aSize);
}
virtual FilterBackend GetBackendType() override { return FILTER_BACKEND_RECORDING; }
RefPtr<FilterNode> mFinalFilterNode;
RefPtr<DrawEventRecorderPrivate> mRecorder;
};
struct AdjustedPattern
{
explicit AdjustedPattern(const Pattern &aPattern)
: mPattern(nullptr)
{
mOrigPattern = const_cast<Pattern*>(&aPattern);
}
~AdjustedPattern() {
if (mPattern) {
mPattern->~Pattern();
}
}
operator Pattern*()
{
switch(mOrigPattern->GetType()) {
case PatternType::COLOR:
return mOrigPattern;
case PatternType::SURFACE:
{
SurfacePattern *surfPat = static_cast<SurfacePattern*>(mOrigPattern);
mPattern =
new (mSurfPat) SurfacePattern(GetSourceSurface(surfPat->mSurface),
surfPat->mExtendMode, surfPat->mMatrix,
surfPat->mSamplingFilter);
return mPattern;
}
case PatternType::LINEAR_GRADIENT:
{
LinearGradientPattern *linGradPat = static_cast<LinearGradientPattern*>(mOrigPattern);
mPattern =
new (mLinGradPat) LinearGradientPattern(linGradPat->mBegin, linGradPat->mEnd,
GetGradientStops(linGradPat->mStops),
linGradPat->mMatrix);
return mPattern;
}
case PatternType::RADIAL_GRADIENT:
{
RadialGradientPattern *radGradPat = static_cast<RadialGradientPattern*>(mOrigPattern);
mPattern =
new (mRadGradPat) RadialGradientPattern(radGradPat->mCenter1, radGradPat->mCenter2,
radGradPat->mRadius1, radGradPat->mRadius2,
GetGradientStops(radGradPat->mStops),
radGradPat->mMatrix);
return mPattern;
}
default:
return new (mColPat) ColorPattern(Color());
}
return mPattern;
}
union {
char mColPat[sizeof(ColorPattern)];
char mLinGradPat[sizeof(LinearGradientPattern)];
char mRadGradPat[sizeof(RadialGradientPattern)];
char mSurfPat[sizeof(SurfacePattern)];
};
Pattern *mOrigPattern;
Pattern *mPattern;
};
DrawTargetRecording::DrawTargetRecording(DrawEventRecorder *aRecorder, DrawTarget *aDT, bool aHasData)
: mRecorder(static_cast<DrawEventRecorderPrivate*>(aRecorder))
, mFinalDT(aDT)
{
RefPtr<SourceSurface> snapshot = aHasData ? mFinalDT->Snapshot() : nullptr;
mRecorder->RecordEvent(RecordedDrawTargetCreation(this,
mFinalDT->GetBackendType(),
mFinalDT->GetSize(),
mFinalDT->GetFormat(),
aHasData, snapshot));
mFormat = mFinalDT->GetFormat();
}
DrawTargetRecording::DrawTargetRecording(const DrawTargetRecording *aDT,
const IntSize &aSize,
SurfaceFormat aFormat)
: mRecorder(aDT->mRecorder)
, mFinalDT(aDT->mFinalDT->CreateSimilarDrawTarget(aSize, aFormat))
{
mRecorder->RecordEvent(RecordedCreateSimilarDrawTarget(this, aSize, aFormat));
mFormat = mFinalDT->GetFormat();
}
DrawTargetRecording::~DrawTargetRecording()
{
mRecorder->RecordEvent(RecordedDrawTargetDestruction(this));
}
void
DrawTargetRecording::FillRect(const Rect &aRect,
const Pattern &aPattern,
const DrawOptions &aOptions)
{
EnsurePatternDependenciesStored(aPattern);
mRecorder->RecordEvent(RecordedFillRect(this, aRect, aPattern, aOptions));
mFinalDT->FillRect(aRect, *AdjustedPattern(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));
mFinalDT->StrokeRect(aRect, *AdjustedPattern(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));
mFinalDT->StrokeLine(aBegin, aEnd, *AdjustedPattern(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));
mFinalDT->Fill(pathRecording->mPath, *AdjustedPattern(aPattern), aOptions);
}
struct RecordingFontUserData
{
void *refPtr;
RefPtr<DrawEventRecorderPrivate> recorder;
};
void RecordingFontUserDataDestroyFunc(void *aUserData)
{
RecordingFontUserData *userData =
static_cast<RecordingFontUserData*>(aUserData);
// TODO support font in b2g recordings
#ifndef MOZ_WIDGET_GONK
userData->recorder->RecordEvent(RecordedScaledFontDestruction(userData->refPtr));
#endif
delete userData;
}
void
DrawTargetRecording::FillGlyphs(ScaledFont *aFont,
const GlyphBuffer &aBuffer,
const Pattern &aPattern,
const DrawOptions &aOptions,
const GlyphRenderingOptions *aRenderingOptions)
{
EnsurePatternDependenciesStored(aPattern);
if (!aFont->GetUserData(reinterpret_cast<UserDataKey*>(mRecorder.get()))) {
// TODO support font in b2g recordings
#ifndef MOZ_WIDGET_GONK
RecordedFontData fontData(aFont);
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(RecordedScaledFontCreation(aFont, fontDetails));
} else {
// If that fails, record just the font description and try to load it from
// the system on the other side.
RecordedFontDescriptor fontDesc(aFont);
if (fontDesc.IsValid()) {
mRecorder->RecordEvent(fontDesc);
} else {
gfxWarning() << "DrawTargetRecording::FillGlyphs failed to serialise ScaledFont";
}
}
#endif
RecordingFontUserData *userData = new RecordingFontUserData;
userData->refPtr = aFont;
userData->recorder = mRecorder;
aFont->AddUserData(reinterpret_cast<UserDataKey*>(mRecorder.get()), userData,
&RecordingFontUserDataDestroyFunc);
}
// TODO support font in b2g recordings
#ifndef MOZ_WIDGET_GONK
mRecorder->RecordEvent(RecordedFillGlyphs(this, aFont, aPattern, aOptions, aBuffer.mGlyphs, aBuffer.mNumGlyphs));
#endif
mFinalDT->FillGlyphs(aFont, aBuffer, aPattern, aOptions, aRenderingOptions);
}
void
DrawTargetRecording::Mask(const Pattern &aSource,
const Pattern &aMask,
const DrawOptions &aOptions)
{
EnsurePatternDependenciesStored(aSource);
EnsurePatternDependenciesStored(aMask);
mRecorder->RecordEvent(RecordedMask(this, aSource, aMask, aOptions));
mFinalDT->Mask(*AdjustedPattern(aSource), *AdjustedPattern(aMask), aOptions);
}
void
DrawTargetRecording::MaskSurface(const Pattern &aSource,
SourceSurface *aMask,
Point aOffset,
const DrawOptions &aOptions)
{
EnsurePatternDependenciesStored(aSource);
EnsureSurfaceStored(mRecorder, aMask, "MaskSurface");
mRecorder->RecordEvent(RecordedMaskSurface(this, aSource, aMask, aOffset, aOptions));
mFinalDT->MaskSurface(*AdjustedPattern(aSource), GetSourceSurface(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));
mFinalDT->Stroke(pathRecording->mPath, *AdjustedPattern(aPattern), aStrokeOptions, aOptions);
}
already_AddRefed<SourceSurface>
DrawTargetRecording::Snapshot()
{
RefPtr<SourceSurface> surf = mFinalDT->Snapshot();
RefPtr<SourceSurface> retSurf = new SourceSurfaceRecording(surf, mRecorder);
mRecorder->RecordEvent(RecordedSnapshot(retSurf, this));
return retSurf.forget();
}
void
DrawTargetRecording::DetachAllSnapshots()
{
mFinalDT->DetachAllSnapshots();
}
void
DrawTargetRecording::DrawSurface(SourceSurface *aSurface,
const Rect &aDest,
const Rect &aSource,
const DrawSurfaceOptions &aSurfOptions,
const DrawOptions &aOptions)
{
EnsureSurfaceStored(mRecorder, aSurface, "DrawSurface");
mRecorder->RecordEvent(RecordedDrawSurface(this, aSurface, aDest, aSource, aSurfOptions, aOptions));
mFinalDT->DrawSurface(GetSourceSurface(aSurface), aDest, aSource, aSurfOptions, aOptions);
}
void
DrawTargetRecording::DrawSurfaceWithShadow(SourceSurface *aSurface,
const Point &aDest,
const Color &aColor,
const Point &aOffset,
Float aSigma,
CompositionOp aOp)
{
EnsureSurfaceStored(mRecorder, aSurface, "DrawSurfaceWithShadow");
mRecorder->RecordEvent(RecordedDrawSurfaceWithShadow(this, aSurface, aDest, aColor, aOffset, aSigma, aOp));
mFinalDT->DrawSurfaceWithShadow(GetSourceSurface(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));
mFinalDT->DrawFilter(FilterNodeRecording::GetFilterNode(aNode), aSourceRect, aDestPoint, aOptions);
}
already_AddRefed<FilterNode>
DrawTargetRecording::CreateFilter(FilterType aType)
{
RefPtr<FilterNode> node = mFinalDT->CreateFilter(aType);
RefPtr<FilterNode> retNode = new FilterNodeRecording(node, mRecorder);
mRecorder->RecordEvent(RecordedFilterNodeCreation(retNode, aType));
return retNode.forget();
}
void
DrawTargetRecording::ClearRect(const Rect &aRect)
{
mRecorder->RecordEvent(RecordedClearRect(this, aRect));
mFinalDT->ClearRect(aRect);
}
void
DrawTargetRecording::CopySurface(SourceSurface *aSurface,
const IntRect &aSourceRect,
const IntPoint &aDestination)
{
EnsureSurfaceStored(mRecorder, aSurface, "CopySurface");
mRecorder->RecordEvent(RecordedCopySurface(this, aSurface, aSourceRect, aDestination));
mFinalDT->CopySurface(GetSourceSurface(aSurface), aSourceRect, aDestination);
}
void
DrawTargetRecording::PushClip(const Path *aPath)
{
RefPtr<PathRecording> pathRecording = EnsurePathStored(aPath);
mRecorder->RecordEvent(RecordedPushClip(this, pathRecording));
mFinalDT->PushClip(pathRecording->mPath);
}
void
DrawTargetRecording::PushClipRect(const Rect &aRect)
{
mRecorder->RecordEvent(RecordedPushClipRect(this, aRect));
mFinalDT->PushClipRect(aRect);
}
void
DrawTargetRecording::PopClip()
{
mRecorder->RecordEvent(RecordedPopClip(this));
mFinalDT->PopClip();
}
void
DrawTargetRecording::PushLayer(bool aOpaque, Float aOpacity,
SourceSurface* aMask,
const Matrix& aMaskTransform,
const IntRect& aBounds, bool aCopyBackground)
{
if (aMask) {
EnsureSurfaceStored(mRecorder, aMask, "PushLayer");
}
mRecorder->RecordEvent(RecordedPushLayer(this, aOpaque, aOpacity, aMask,
aMaskTransform, aBounds,
aCopyBackground));
mFinalDT->PushLayer(aOpaque, aOpacity, aMask, aMaskTransform, aBounds,
aCopyBackground);
}
void
DrawTargetRecording::PopLayer()
{
mRecorder->RecordEvent(RecordedPopLayer(this));
mFinalDT->PopLayer();
}
already_AddRefed<SourceSurface>
DrawTargetRecording::CreateSourceSurfaceFromData(unsigned char *aData,
const IntSize &aSize,
int32_t aStride,
SurfaceFormat aFormat) const
{
RefPtr<SourceSurface> surf = mFinalDT->CreateSourceSurfaceFromData(aData, aSize, aStride, aFormat);
RefPtr<SourceSurface> retSurf = new SourceSurfaceRecording(surf, mRecorder);
mRecorder->RecordEvent(RecordedSourceSurfaceCreation(retSurf, aData, aStride, aSize, aFormat));
return retSurf.forget();
}
already_AddRefed<SourceSurface>
DrawTargetRecording::OptimizeSourceSurface(SourceSurface *aSurface) const
{
RefPtr<SourceSurface> surf = mFinalDT->OptimizeSourceSurface(aSurface);
RefPtr<SourceSurface> retSurf = new SourceSurfaceRecording(surf, mRecorder);
RefPtr<DataSourceSurface> dataSurf = surf->GetDataSurface();
if (!dataSurf) {
// Let's try get it off the original surface.
dataSurf = aSurface->GetDataSurface();
}
StoreSourceSurface(mRecorder, retSurf, dataSurf, "OptimizeSourceSurface");
return retSurf.forget();
}
already_AddRefed<SourceSurface>
DrawTargetRecording::CreateSourceSurfaceFromNativeSurface(const NativeSurface &aSurface) const
{
RefPtr<SourceSurface> surf = mFinalDT->CreateSourceSurfaceFromNativeSurface(aSurface);
RefPtr<SourceSurface> retSurf = new SourceSurfaceRecording(surf, mRecorder);
RefPtr<DataSourceSurface> dataSurf = surf->GetDataSurface();
StoreSourceSurface(mRecorder, retSurf, dataSurf, "CreateSourceSurfaceFromNativeSurface");
return retSurf.forget();
}
already_AddRefed<DrawTarget>
DrawTargetRecording::CreateSimilarDrawTarget(const IntSize &aSize, SurfaceFormat aFormat) const
{
return MakeAndAddRef<DrawTargetRecording>(this, aSize, aFormat);
}
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> stops = mFinalDT->CreateGradientStops(aStops, aNumStops, aExtendMode);
RefPtr<GradientStops> retStops = new GradientStopsRecording(stops, 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);
mFinalDT->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));
mRecorder->AddStoredObject(pathRecording);
pathRecording->mStoredRecorders.push_back(mRecorder);
return pathRecording.forget();
}
void
DrawTargetRecording::EnsurePatternDependenciesStored(const Pattern &aPattern)
{
switch (aPattern.GetType()) {
case PatternType::COLOR:
// No dependencies here.
return;
case PatternType::LINEAR_GRADIENT:
{
MOZ_ASSERT(mRecorder->HasStoredObject(static_cast<const LinearGradientPattern*>(&aPattern)->mStops));
return;
}
case PatternType::RADIAL_GRADIENT:
{
MOZ_ASSERT(mRecorder->HasStoredObject(static_cast<const RadialGradientPattern*>(&aPattern)->mStops));
return;
}
case PatternType::SURFACE:
{
const SurfacePattern *pat = static_cast<const SurfacePattern*>(&aPattern);
EnsureSurfaceStored(mRecorder, pat->mSurface, "EnsurePatternDependenciesStored");
return;
}
}
}
} // namespace gfx
} // namespace mozilla
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