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Bug 1464032 Part 11: Make SourceSurface from DrawTargetRecording::CreateSourceSurfaceFromData hold its data. r=jrmuizel

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This means that GetData on the returned SourceSurface will function correctly.
This commit is contained in:
Bob Owen 2018-12-02 14:17:24 +00:00
parent 9b1c422ff4
commit 2853ef8068
1 changed files with 21 additions and 17 deletions
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38
gfx/2d/DrawTargetRecording.cpp
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@ -85,23 +85,33 @@ class DataSourceSurfaceRecording : public DataSourceSurface {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DataSourceSurfaceRecording, override)
DataSourceSurfaceRecording(UniquePtr<uint8_t[]> aData, IntSize aSize,
int32_t aStride, SurfaceFormat aFormat)
int32_t aStride, SurfaceFormat aFormat,
DrawEventRecorderPrivate* aRecorder)
: mData(std::move(aData)),
mSize(aSize),
mStride(aStride),
mFormat(aFormat) {}
mFormat(aFormat),
mRecorder(aRecorder) {
mRecorder->RecordEvent(RecordedSourceSurfaceCreation(
ReferencePtr(this), mData.get(), mStride, mSize, mFormat));
mRecorder->AddStoredObject(this);
}
~DataSourceSurfaceRecording() {}
~DataSourceSurfaceRecording() {
mRecorder->RemoveStoredObject(this);
mRecorder->RecordEvent(
RecordedSourceSurfaceDestruction(ReferencePtr(this)));
}
static already_AddRefed<DataSourceSurface> Init(uint8_t* aData, IntSize aSize,
int32_t aStride,
SurfaceFormat aFormat) {
static already_AddRefed<DataSourceSurface> Init(
uint8_t* aData, IntSize aSize, int32_t aStride, SurfaceFormat aFormat,
DrawEventRecorderPrivate* aRecorder) {
// XXX: do we need to ensure any alignment here?
auto data = MakeUnique<uint8_t[]>(aStride * aSize.height);
if (data) {
memcpy(data.get(), aData, aStride * aSize.height);
RefPtr<DataSourceSurfaceRecording> surf = new DataSourceSurfaceRecording(
std::move(data), aSize, aStride, aFormat);
std::move(data), aSize, aStride, aFormat, aRecorder);
return surf.forget();
}
return nullptr;
@ -117,6 +127,7 @@ class DataSourceSurfaceRecording : public DataSourceSurface {
IntSize mSize;
int32_t mStride;
SurfaceFormat mFormat;
RefPtr<DrawEventRecorderPrivate> mRecorder;
};
class GradientStopsRecording : public GradientStops {
@ -486,16 +497,9 @@ DrawTargetRecording::CreateSourceSurfaceFromData(unsigned char* aData,
const IntSize& aSize,
int32_t aStride,
SurfaceFormat aFormat) const {
RefPtr<SourceSurface> surf =
DataSourceSurfaceRecording::Init(aData, aSize, aStride, aFormat);
RefPtr<SourceSurface> retSurf =
new SourceSurfaceRecording(aSize, aFormat, mRecorder);
mRecorder->RecordEvent(
RecordedSourceSurfaceCreation(retSurf, aData, aStride, aSize, aFormat));
return retSurf.forget();
RefPtr<SourceSurface> surf = DataSourceSurfaceRecording::Init(
aData, aSize, aStride, aFormat, mRecorder);
return surf.forget();
}
already_AddRefed<SourceSurface> DrawTargetRecording::OptimizeSourceSurface(