2014-02-28 20:31:31 +00:00
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#ifndef DMGpuGMTask_DEFINED
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#define DMGpuGMTask_DEFINED
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2013-10-16 13:02:15 +00:00
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Add support for reading a directory of images with --expectations (-r).
DM writes out its images in a hierarchy that's a little different than GM,
so this can't read GM's output. But it can read its own, written with -w.
Example usage:
$ out/Release/dm -w /tmp/baseline
$ out/Release/dm -r /tmp/baseline -w /tmp/new
(and optionally)
$ mkdir /tmp/diff; out/Release/skdiff /tmp/baseline /tmp/new /tmp/diff
GM's IndividualImageExpectationsSource and Expectations are a little too eager
about decoding and hashing the expected images, so I took the opportunity to
add DM::Expectations that mostly replaces skiagm::ExpectationsSource and
skiagm::Expectations in DM. It mainly exists to move the image decoding and
comparison off the main thread, which would otherwise be a major speed
bottleneck.
I tried to use skiagm code where possible. One notable place where I differed
is in this new feature. When -r is a directory of images, DM does no hashing.
It considerably faster to read the expected file into an SkBitmap and do a
byte-for-byte comparison than to hash the two bitmaps and check those.
The example usage above isn't quite working 100% yet. Expectations on some GMs
fail, even with no binary change. I haven't pinned down whether this is due to
- a bug in DM
- flaky GMs
- unthreadsafe GMs
- flaky image decoding
- unthreadsafe image decoding
- something else
but I intend to. Leon, Derek and I have suspected PNG decoding isn't
threadsafe, but are as yet unable to prove it.
I also seem to be able to cause malloc to fail on my laptop if I run too many
configs at once, though I never seem to be using more than ~1G of RAM. Will
track that down too.
BUG=
R=reed@google.com, bsalomon@google.com
Author: mtklein@google.com
Review URL: https://codereview.chromium.org/108963002
git-svn-id: http://skia.googlecode.com/svn/trunk@12596 2bbb7eff-a529-9590-31e7-b0007b416f81
2013-12-10 14:53:16 +00:00
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#include "DMExpectations.h"
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2013-10-16 13:02:15 +00:00
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#include "DMReporter.h"
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#include "DMTask.h"
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#include "DMTaskRunner.h"
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#include "GrContextFactory.h"
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#include "SkBitmap.h"
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#include "SkString.h"
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#include "SkTemplates.h"
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#include "gm.h"
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// This is the main entry point for drawing GMs with the GPU.
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namespace DM {
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2014-02-28 20:31:31 +00:00
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class GpuGMTask : public GpuTask {
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2013-10-16 13:02:15 +00:00
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public:
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2014-02-28 20:31:31 +00:00
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GpuGMTask(const char* config,
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Reporter*,
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TaskRunner*,
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const Expectations&,
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skiagm::GMRegistry::Factory,
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GrContextFactory::GLContextType,
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int sampleCount);
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virtual void draw(GrContextFactory*) SK_OVERRIDE;
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2013-10-16 13:02:15 +00:00
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virtual bool shouldSkip() const SK_OVERRIDE;
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virtual SkString name() const SK_OVERRIDE { return fName; }
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private:
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SkAutoTDelete<skiagm::GM> fGM;
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const SkString fName;
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Add support for reading a directory of images with --expectations (-r).
DM writes out its images in a hierarchy that's a little different than GM,
so this can't read GM's output. But it can read its own, written with -w.
Example usage:
$ out/Release/dm -w /tmp/baseline
$ out/Release/dm -r /tmp/baseline -w /tmp/new
(and optionally)
$ mkdir /tmp/diff; out/Release/skdiff /tmp/baseline /tmp/new /tmp/diff
GM's IndividualImageExpectationsSource and Expectations are a little too eager
about decoding and hashing the expected images, so I took the opportunity to
add DM::Expectations that mostly replaces skiagm::ExpectationsSource and
skiagm::Expectations in DM. It mainly exists to move the image decoding and
comparison off the main thread, which would otherwise be a major speed
bottleneck.
I tried to use skiagm code where possible. One notable place where I differed
is in this new feature. When -r is a directory of images, DM does no hashing.
It considerably faster to read the expected file into an SkBitmap and do a
byte-for-byte comparison than to hash the two bitmaps and check those.
The example usage above isn't quite working 100% yet. Expectations on some GMs
fail, even with no binary change. I haven't pinned down whether this is due to
- a bug in DM
- flaky GMs
- unthreadsafe GMs
- flaky image decoding
- unthreadsafe image decoding
- something else
but I intend to. Leon, Derek and I have suspected PNG decoding isn't
threadsafe, but are as yet unable to prove it.
I also seem to be able to cause malloc to fail on my laptop if I run too many
configs at once, though I never seem to be using more than ~1G of RAM. Will
track that down too.
BUG=
R=reed@google.com, bsalomon@google.com
Author: mtklein@google.com
Review URL: https://codereview.chromium.org/108963002
git-svn-id: http://skia.googlecode.com/svn/trunk@12596 2bbb7eff-a529-9590-31e7-b0007b416f81
2013-12-10 14:53:16 +00:00
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const Expectations& fExpectations;
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2013-10-16 13:02:15 +00:00
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const GrContextFactory::GLContextType fContextType;
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const int fSampleCount;
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};
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} // namespace DM
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2014-02-28 20:31:31 +00:00
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#endif // DMGpuGMTask_DEFINED
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