AuroraMiddleware/skia2
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DM: lazy decoding on SKP playback

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Command `out/Release/dm --config pdf --src gm skp`, uses 27% less RAM.

Review URL: https://codereview.chromium.org/943383002
This commit is contained in:
halcanary 2015-02-23 10:28:03 -08:00 committed by Commit bot
parent c01f47b759
commit 77d366d72a
1 changed files with 9 additions and 2 deletions
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11
dm/DMSrcSink.cpp
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@ -1,7 +1,9 @@
#include "DMSrcSink.h"
#include "SamplePipeControllers.h"
#include "SkCommonFlags.h"
#include "SkData.h"
#include "SkDocument.h"
#include "SkImageGenerator.h"
#include "SkMultiPictureDraw.h"
#include "SkNullCanvas.h"
#include "SkOSFile.h"
@ -11,6 +13,11 @@
#include "SkStream.h"
#include "SkXMLWriter.h"
static bool lazy_decode_bitmap(const void* src, size_t size, SkBitmap* dst) {
SkAutoTUnref<SkData> encoded(SkData::NewWithCopy(src, size));
return encoded && SkInstallDiscardablePixelRef(encoded, dst);
}
namespace DM {
GMSrc::GMSrc(skiagm::GMRegistry::Factory factory) : fFactory(factory) {}
@ -114,7 +121,7 @@ Error SKPSrc::draw(SkCanvas* canvas) const {
if (!stream) {
return SkStringPrintf("Couldn't read %s.", fPath.c_str());
}
SkAutoTUnref<SkPicture> pic(SkPicture::CreateFromStream(stream));
SkAutoTUnref<SkPicture> pic(SkPicture::CreateFromStream(stream, &lazy_decode_bitmap));
if (!pic) {
return SkStringPrintf("Couldn't decode %s as a picture.", fPath.c_str());
}
@ -379,7 +386,7 @@ Error ViaSerialization::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream
SkDynamicMemoryWStream wStream;
pic->serialize(&wStream);
SkAutoTDelete<SkStream> rStream(wStream.detachAsStream());
SkAutoTUnref<SkPicture> deserialized(SkPicture::CreateFromStream(rStream));
SkAutoTUnref<SkPicture> deserialized(SkPicture::CreateFromStream(rStream, &lazy_decode_bitmap));
// Turn that deserialized picture into a Src, draw it into our Sink to fill bitmap or stream.
struct ProxySrc : public Src {