Prior to this CL, if a client wanted to decode scanlines, they had to
create an SkCodec in order to get an SkScanlineDecoder. This introduces
complications if input data is not easily shared between the two
objects.
Instead, add methods to SkScanlineDecoder for creating a new one from
input data, and remove the creation functions from SkCodec.
Update DM and tests.
Review URL: https://codereview.chromium.org/1267583002
The decoding tests can now veto indirect sinks like pipe-8888.
This moves Sink type detection from automatic to explicit; I can't think of any
way to automatically differentiate pipe-8888 from 8888 based only on the
output. (They should ideally be identical, after all.)
BUG=skia:4138
Review URL: https://codereview.chromium.org/1263113002
In CodecSrc's scanline_subset test, we decode a subset of an image to a
bitmap, draw it to the canvas, and then repeat. This is fine for most
backends, but not for pipe. Pipe sees the same generation ID, so it
assumes it is the same bitmap it saw before, and just draws the
original one.
Call notifyPixelsChanged, so the bitmap will get a new generation ID,
fixing pipe.
BUG=skia:4138
Review URL: https://codereview.chromium.org/1265983004
This breaks Sinks down into three auto-detected types:
- GPU: anything that requests to be run in the GPU enclave
- Vector: anything that writes to the stream instead of the bitmap
- Raster: everything else
Some examples: gpu -> GPU, msaa16 -> GPU, 8888 -> raster, pdf -> vector,
svg -> vector, pipe-8888 -> raster, tiles_rt-gpu -> GPU
This lets image decoding sinks veto non-raster backends explicitly,
and can let particular GMs veto GPU or non-GPU sinks as they like.
BUG=skia:
Review URL: https://codereview.chromium.org/1239953004
This allows codecs that support subsets natively (i.e. WEBP) to do so.
Add a field on SkCodec::Options representing the subset.
Add a method on SkCodec to find a valid subset which approximately
matches a desired subset.
Implement subset decodes in SkWebpCodec.
Add a test in DM for decoding subsets.
Notice that we only start on even boundaries. This is due to the
way libwebp's API works. SkWEBPImageDecoder does not take this into
account, which results in visual artifacts.
FIXME: Subsets with scaling are not pixel identical, but close. (This
may be fine, though - they are not perceptually different. We'll just
need to mark another set of images in gold as valid, once
https://skbug.com/4038 is fixed, so we can tests scaled webp without
generating new images on each run.)
Review URL: https://codereview.chromium.org/1240143002
Scaling webp ends triggers warnings on our valgrind bot. It also results in
generating many images in Skia Gold that look mostly the same except
for a few pixels along the right edge.
BUG=skia:4038
Review URL: https://codereview.chromium.org/1227843005
Make getScanlineDecoder return a new object each time, which is
owned by the caller, and independent from any existing scanline
decoders and the SkCodec itself.
Since the SkCodec already contains the entire state machine, and it
is used by the scanline decoders, simply create a new SkCodec which
is now owned by the scanline decoder.
Move code that cleans up after using a scanline decoder into its
destructor
One side effect is that creating the first scanline decoder requires
a duplication of the stream and re-reading the header. (With some
more complexity/changes, we could pass the state machine to the
scanline decoder and make the SkCodec recreate its own state machine
instead.) The typical client of the scanline decoder (region decoder)
uses an SkMemoryStream, so the duplication is cheap, although we
should consider the extra time to reread the header/recreate the state
machine. (If/when we use the scanline decoder for other purposes,
where the stream may not be cheaply duplicated, we should consider
passing the state machine.)
One (intended) result of this change is that a client can create a
new scanline decoder in a new thread, and decode different pieces of
the image simultaneously.
In SkPngCodec::decodePalette, use fBitDepth rather than a parameter.
Review URL: https://codereview.chromium.org/1230033004
SkImageGenerator makes some assumptions that are not necessarily valid
for SkCodec. For example, SkCodec does not assume that it can always be
rewound.
We also have an ongoing question of what an SkCodec should report as
its default settings (i.e. the return from getInfo). It makes sense for
an SkCodec to report that its pixels are unpremultiplied, if that is
the case for the underlying data, but if a client of SkImageGenerator
uses the default settings (as many do), they will receive
unpremultiplied pixels which cannot (currently) be drawn with Skia. We
may ultimately decide to revisit SkCodec reporting an SkImageInfo, but
I have left it unchanged for now.
Import features of SkImageGenerator used by SkCodec into SkCodec.
I have left SkImageGenerator unchanged for now, but it no longer needs
Result or Options. This will require changes to Chromium.
Manually handle the lifetime of fScanlineDecoder, so SkScanlineDecoder.h
can include SkCodec.h (where Result is), and SkCodec.h does not need
to include it (to delete fScanlineDecoder).
In many places, make the following simple changes:
- Now include SkScanlineDecoder.h, which is no longer included by
SkCodec.h
- Use the enums in SkCodec, rather than SkImageGenerator
- Stop including SkImageGenerator.h where no longer needed
Review URL: https://codereview.chromium.org/1220733013
We name our .pngs by pixel hashes for gold. For 8888 images, we're hashing
SkPMColors, which have platform-dependent order: BGRA on Linux and Windows,
RGBA otherwise. This means we can end up with pixel-identical pngs with
different hashes, which is confusing.
This CL standardizes on RGBA for 8888 configs, arbitrarily chosen so that
Android ends up a no-op. Long-term, this should eliminate most of the
0-pixel-diff problems we see on gold.skia.org. There are other ways to end up
with the same .png from different SkBitmaps (think, red 565 square vs. red 8888
square) but they're rather less common / likely.
This will temporarily create a giant 0-pixel-diff problem on gold.skia.org.
Any Linux or Windows images which are not already pixel-identical to a Mac or
Android image should show up as untriaged hashes that are pixel-identical to
their version just before landing (we're only changing the hash, not the .png).
This means anything vaguely platform dependent (fonts, GPUs) will probably show
up as needing a triage but with a zero diff from a previous image.
If this goes well, we might do the same for 565. Just want to leave them out
for now to cut down on the triaging I need to do in one go.
BUG=skia:
Review URL: https://codereview.chromium.org/1226933005
Mangle external function names to avoid conflict with libjpeg
Take advantage of direct color conversion (RGBA, BGRA, 565)
Prepare to use jpeg_skip_scanlines (when it is upstreamed)
BUG=skia:
Review URL: https://codereview.chromium.org/1180983002
Based on SkImageDecoder_libwebp.
TODO:
Support YUV? (Longer term - may influence our API for SkImageGenerator)
BUG=skia:3257
Review URL: https://codereview.chromium.org/1044433002
I originally thought that there was no harm in reading or skipping
zero lines after we have already reached the end of the image.
However, once we reach the end of the image, onFinish() is
automatically called. Performing a read or a skip after
the call to onFinish() is invalid and will cause onFinish()
to be called a second time (which is also invalid).
Seems like the code requires good behavior and the test is
wrong.
BUG=skia:
Review URL: https://codereview.chromium.org/1179213002
This experiment replaces the label used in the aaxfermodes gm with
aliased text generated from paths common to all platforms.
Since there is no way today to generate all dm output from trybots,
this will be checked in to confirm that this strategy provides simpler
output across devices.
This does not introduce a new public interface; instead, dm uses
a extern backdoor to install the SkTypeface::CreateFromName
handler.
Review URL: https://codereview.chromium.org/1163283002
kScanline_Subset_Mode decodes the image in subsets using a
scanline decoder.
The number of subsets can be specified by changing the constant divisor.
The number of subsets is equal to divisor*divisor.
Review URL: https://codereview.chromium.org/1157153003
Previously it was hard to tell that DrawFn took an SkCanvas* and returned an Error. Now it's clear from the type.
BUG=skia:
Review URL: https://codereview.chromium.org/1125233002
If so, let's do it this way so it works for all source types and doesn't need
to be chosen at compile time.
BUG=skia:
Review URL: https://codereview.chromium.org/1129693003
Will use this to test the other CL that adds small SkPicture implementations.
Not quite sure why patch_primitive doesn't draw the same in 8888 and sp-8888, but everything else does, so I'm not going to let that hold me back for now.
BUG=skia:
Review URL: https://codereview.chromium.org/1126613005
This requires we remove NVPR from the default set of configs, as we only find
out at runtime that it's not available. All the other defaults will either be
compiled in and supported, or not compiled in and non-fatally skipped as
unknown configs.
BUG=skia:
Review URL: https://codereview.chromium.org/1100773003
Enables basic decoding for jpegs
Includes rewinding
565, YUV, and Jpeg encoding are not yet implemented
BUG=skia:3257
Review URL: https://codereview.chromium.org/1076923002
Motivation: I want to switch back to single-page output by default for
direct comparison to raster backends in Gold.
I can still test the multi-page option via a command-line switch.
BUG=skia:3721
Review URL: https://codereview.chromium.org/1063873004
We may want to enable swizzles to 565
for images that are encoded in a format
similar to 565, however, we do not want
to take images that decode naturally to
kN32 and then convert them to 565.
***Enable swizzles to kIndex_8. For images
encoded in a color table format, we suggest
that they be decoded to kIndex_8. When we
decode, we only allow conversion to kIndex_8
if it matches the suggested color type (except
wbmp which seems good as is).
***Modify dm to test images that decode to
kIndex_8.
BUG=skia:3257
BUG=skia:3440
Review URL: https://codereview.chromium.org/1055743003
I'm going to start hacking on SkCanvas a bit to allow a fast reset method,
and I want to have some testing checking me.
BUG=skia:
Review URL: https://codereview.chromium.org/1062043004
The file is expected to contain a list of strings. If the hash for
any result is in this file, don't write an image for it.
BUG=skia:3521
Review URL: https://codereview.chromium.org/1059363002
Duplicate code from the HWUI backends for DM and nanobench
moves into a single place, saving a hundred lines or more of
cut-and-paste.
There's some indication that this increases the incidence of
SkCanvas "Unable to find device for layer." warnings, but no
clear degradation in test results.
R=djsollen@google.com,mtklein@google.com
BUG=skia:3589
Review URL: https://codereview.chromium.org/1036303002
@sugoi:
Early out to avoid some segfaults in SkImageDecoder_libjpeg.cpp.
I am just flailing here... things seem to work, but I have no idea why.
This prints out a lot:
libjpeg error 85 <End Of Image> from output_raw_data [0 0]
@halcanary:
I'm skipping on ImageSrc for now. Leon's refactoring that quite a lot.
This causes minor diffs for the GPU backend, given that we're now
going through the YUV path. It also reduced peak RAM usage on
my desktop from 1.26GB to 1.08GB.
BUG=skia:
Review URL: https://codereview.chromium.org/1010983004
- By default, use new SkGoodHash to hash keys, which is:
* for 4 byte values, use SkChecksum::Mix,
* for SkStrings, use SkChecksum::Murmur3 on the data,
* for other structs, shallow hash the struct with Murmur3.
- Expand SkChecksum::Murmur3 to support non-4-byte-aligned data.
- Add const foreach() methods.
- Have foreach() take a functor, which allows lambdas.
BUG=skia:
Review URL: https://codereview.chromium.org/1021033002
Rather than making SkCodec an option instead of SkImageDecoder,
create a separate CodecSrc. This allows us to compare the two.
For both CodecSrc and ImageSrc, do not decode to a gpu backend.
BUG=skia:3475
Review URL: https://codereview.chromium.org/978823002
This sniffs the .skp dimensions and intersects them with our 1000x1000 viewport.
This fixes things like desk_carsvg.skp, which is only 902 pixels tall. In 565 now,
the remaining 98 pixels draw as black, which looks funny and is confusing to triage.
No apparent affect on DM memory usage. (We're about to map the file anyway.)
BUG=skia:
Review URL: https://codereview.chromium.org/986103002
Seems strictly more useful.
This implements Mac and Windows, which seemed easy. Don't know how to do this on Linux yet.
BUG=skia:
CQ_EXTRA_TRYBOTS=client.skia:Test-Mac10.9-MacMini6.2-HD4000-x86_64-Debug-Trybot
NOTREECHECKS=true
TBR=halcanary@google.com
Review URL: https://codereview.chromium.org/990723002
deprecated, use a proxy SkCanvas for the same end: in every draw
call, inspect the paint, changing it to fit within the capabilities
of the Android Java (HWUI) drawing API.
Verified that this allows us to reenable all our ColorFilter tests.
R=djsollen@google.com
Review URL: https://codereview.chromium.org/997183003
In non-verbose mode, these notes will spin away too fast to read anyway,
unless they're so long they end up leaving junk on the terminal.
NOTREECHECKS=true
BUG=skia:
Review URL: https://codereview.chromium.org/989083002
Also allow incomplete to be considered successful.
Do not attempt to draw transparent images on 565.
BUG=skia:3475
Review URL: https://codereview.chromium.org/978413002
Tasks that produce a non-fatal error will bail out before writing their output to
disk and hash to dm.json, but not count as failures.
This also makes true failures bail out before writing their results. If the DM
program failed, we probably don't want to triage that image result.
We use this new feature first to skip image subset decoding when we detect it's
not supported. Here's a snippet of an example run, where in this case only
.webp are subset decodable:
...
( 15MB 12) 172µs 8888 subset color_wheel.jpg (skipped: Subset decoding not supported.)
( 15MB 11) 9.05ms 8888 subset randPixels.webp
( 16MB 10) 863µs 8888 subset baby_tux.png (skipped: Subset decoding not supported.)
...
Only outputs corresponding to the .webp show up, both on disk and in the .json.
BUG=skia:
Review URL: https://codereview.chromium.org/980333002
Make a Via for DM which transforms a set of draws to be more like what
we'd see through the Android Framework's HWUI API. Only built inside
Android's framework because we depend on HWUI classes for half of
those transformations.
Tested with --config androidsdk-8888 and --config androidsdk-hwui.
R=djsollen@google.com,mtklein@google.com,reed@google.com
BUG=skia:
Review URL: https://codereview.chromium.org/974913002
- SkDocument::CreateXPS() function added, returns NULL on non-Windows OS.
- DM: (Windows only) an XPSSink is added, fails on non-Windows OS
- DM: Common code for PDFSink::draw and XPSSink::draw are factored into
draw_skdocument static function.
- SkDocument_XPS (Windows only) implementation of SkDocument via
SkXPSDevice.
- SkDocument_XPS_None (non-Windows) returns NULL for
SkDocument::CreateXPS().
- gyp/xps.gyp refactored.
- SkXPSDevice::drawTextOnPath removed (see http://crrev.com/925343003 )
- SkXPSDevice::drawPath supports conics via SkAutoConicToQuads.
Review URL: https://codereview.chromium.org/963953002
DM:
Add a flag to use SkCodec instead of SkImageDecoder.
SkCodec:
Base class for codecs, allowing creation from an SkStream or an SkData.
An SkCodec, on creation, knows properties of the data like its width and height. Further calls can be used to generate the image.
TODO: Add scanline iterator
SkPngCodec:
New decoder for png. Wraps libpng. The code has been repurposed from SkImageDecoder_libpng.
TODO: Handle other destination colortypes
TODO: Substitute the transpose color
TODO: Allow silencing warnings
TODO: Use RGB instead of filler?
TODO: sRGB
SkSwizzler:
Simplified version of SkScaledSampler. Unlike the sampler, this object does no sampling.
TODO: Implement other swizzles.
Requires a gclient sync to pull down libpng.
BUG=skia:3257
Committed: https://skia.googlesource.com/skia/+/ca358852b4fed656d11107b2aaf28318a4518b49
(and then reverted)
Review URL: https://codereview.chromium.org/930283002
- SkDocument::CreateXPS() function added, returns NULL on non-Windows OS.
- DM: (Windows only) an XPSSink is added, fails on non-Windows OS
- DM: Common code for PDFSink::draw and XPSSink::draw are factored into
draw_skdocument static function.
- SkDocument_XPS (Windows only) implementation of SkDocument via
SkXPSDevice.
- SkDocument_XPS_None (non-Windows) returns NULL for
SkDocument::CreateXPS().
- gyp/xps.gyp refactored.
- SkXPSDevice::drawTextOnPath removed (see http://crrev.com/925343003 )
- SkXPSDevice::drawPath supports conics via SkAutoConicToQuads.
NOPRESUBMIT=true
Review URL: https://codereview.chromium.org/963953002
Reason for revert:
Breaking windows bots all over the place :(
Original issue's description:
> Add SkCodec, including PNG implementation.
>
> DM:
> Add a flag to use SkCodec instead of SkImageDecoder.
>
> SkCodec:
> Base class for codecs, allowing creation from an SkStream or an SkData.
> An SkCodec, on creation, knows properties of the data like its width and height. Further calls can be used to generate the image.
> TODO: Add scanline iterator
>
> SkPngCodec:
> New decoder for png. Wraps libpng. The code has been repurposed from SkImageDecoder_libpng.
> TODO: Handle other destination colortypes
> TODO: Substitute the transpose color
> TODO: Allow silencing warnings
> TODO: Use RGB instead of filler?
> TODO: sRGB
>
> SkSwizzler:
> Simplified version of SkScaledSampler. Unlike the sampler, this object does no sampling.
> TODO: Implement other swizzles.
>
> BUG=skia:3257
>
> Committed: https://skia.googlesource.com/skia/+/ca358852b4fed656d11107b2aaf28318a4518b49TBR=reed@google.com,djsollen@google.com,msarett@google.com,mtklein@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:3257
Review URL: https://codereview.chromium.org/972743003
