SkPDFFont:
- SkPDFType1Font::populate() encode advances correctly.
- break out logically independent code into new files:
* SkPDFConvertType1FontStream
* SkPDFMakeToUnicodeCmap
SkPDFFont.cpp is now 380 lines smaller.
Expose `SkPDFAppendCmapSections()` for testing.
SkPDFFontImpl.h
- Fold into SkPDFFont.
SkPDFConvertType1FontStream:
- Now assume given a SkStreamAsset
SkPDFFont:
- AdvanceMetric now hidden in a anonymous namespace.
No public API changes.
TBR=reed@google.com
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2221163002
Review-Url: https://codereview.chromium.org/2221163002
- This code is entirely private and is not being used by anything.
- In a future CL we will write a class that uses CurveMeasure to compute dash points. In order to determine whether CurveMeasure or PathMeasure should be faster, we need the dash info (the sum of the on/off intervals and how many there are)
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2187083002
Review-Url: https://codereview.chromium.org/2187083002
About 9x faster than Murmur3 for long inputs.
Most of this is a mechanical change from SkChecksum::Murmur3(...) to SkOpts::hash(...).
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2208903002
CQ_INCLUDE_TRYBOTS=master.client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot;master.client.skia.compile:Build-Ubuntu-GCC-x86_64-Release-CMake-Trybot,Build-Mac-Clang-x86_64-Release-CMake-Trybot
Review-Url: https://codereview.chromium.org/2208903002
The code protected by this flag is no longer used. Remove the flag and
code. This also removes SK_SUPPORT_LEGACY_TYPEFACE_PTR from Android, as
it is no longer needed.
TBR=reed
Only removes already guarded API.
Review-Url: https://codereview.chromium.org/2223933002
SkLiteRecorder, a new SkCanvas, fills out SkLiteDL, a new SkDrawable.
This SkDrawable is a display list similar to SkRecord and SkBigPicture / SkRecordedDrawable, but with a few new design points inspired by Android and slimming paint:
1) SkLiteDL is structured as one big contiguous array rather than the two layer structure of SkRecord. This trades away flexibility and large-op-count performance for better data locality for small to medium size pictures.
2) We keep a global freelist of SkLiteDLs, both reusing the SkLiteDL struct itself and its contiguous byte array. This keeps the expected number of mallocs per display list allocation <1 (really, ~0) for cyclical use cases.
These two together mean recording is faster. Measuring against the code we use at head, SkLiteRecorder trends about ~3x faster across various size pictures, matching speed at 0 draws and beating the special-case 1-draw pictures we have today. (I.e. we won't need those special case implementations anymore, because they're slower than this new generic code.) This new strategy records 10 drawRects() in about the same time the old strategy took for 2.
This strategy stays the winner until at least 500 drawRect()s on my laptop, where I stopped checking.
A simpler alternative to freelisting is also possible (but not implemented here), where we allow the client to manually reset() an SkLiteDL for reuse when its refcnt is 1. That's essentially what we're doing with the freelist, except tracking what's available for reuse globally instead of making the client do it.
This code is not fully capable yet, but most of the key design points are there. The internal structure of SkLiteDL is the area I expect to be most volatile (anything involving Op), but its interface and the whole of SkLiteRecorder ought to be just about done.
You can run nanobench --match picture_overhead as a demo. Everything it exercises is fully fleshed out, so what it tests is an apples-to-apples comparison as far as recording costs go. I have not yet compared playback performance.
It should be simple to wrap this into an SkPicture subclass if we want.
I won't start proposing we replace anything old with anything new quite yet until I have more ducks in a row, but this does look pretty promising (similar to the SkRecord over old SkPicture change a couple years ago) and I'd like to land, experiment, iterate, especially with an eye toward Android.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2213333002
Review-Url: https://codereview.chromium.org/2213333002
exec_script runs every time gn does, which is explicitly on every one of our
bot runs. That should be enough to obviate the .git/logs/HEAD hack.
Easiest way to do this was to swap around find.py's argument order to allow
multiple search directories. This is the root of all the .gyp changes.
This moves the blacklist into BUILD.gn, which I think is nice.
It expands it a little as we're now searching recursively, into include/gpu/vk
which we can't include safely without the Vulkan SDK.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2205903004
Review-Url: https://codereview.chromium.org/2205903004
These files are now so badly misnamed that it is causing problems.
The original files are kept as shells until Chromium and PDFium can
be updated. After Chromium and PDFium builds are updated, the old
files will be removed and the cmake and bzl builds will be updated.
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2199973002
CQ_INCLUDE_TRYBOTS=master.client.skia.compile:Build-Ubuntu-GCC-x86_64-Release-CMake-Trybot,Build-Mac-Clang-x86_64-Release-CMake-Trybot
Review-Url: https://codereview.chromium.org/2199973002
No one appears to be using the default 2.2.
This makes SK_GAMMA_SRGB the default / a no-op, which seems more realistic.
Chrome's explicitly setting SK_GAMMA_EXPONENT or SK_GAMMA_SRGB.
We set Android platform explicitly to 1.4.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2198073002
Review-Url: https://codereview.chromium.org/2198073002
Reason for revert:
UBSAN says we're reading a bad bool here:
bool usesDistanceVectorField() const { return fUsesDistanceVectorField; }
../../../include/gpu/GrPaint.h:83:51: runtime error: load of value 239, which is not a valid value for type 'bool'
SUMMARY: AddressSanitizer: undefined-behavior ../../../include/gpu/GrPaint.h:83:51 in
Seems likely also the root of Valgrind failure:
https://luci-milo.appspot.com/swarming/task/30522e4f2241cb10
Original issue's description:
> GrFP can express distance vector field req., program builder declares variable for it
>
> This update allows fragment processors to require a field of vectors to the nearest edge. This requirement propagates:
>
> - from child FPs to their parent
> - from parent FPs to the GrPaint
> - from GrPaint through the PipelineBuilder into GrPipeline
> - acessed from GrPipeline by GrGLSLProgramBuilder
>
> GrGLSL generates a variable for the distance vector and passes it down to the GeometryProcessor->emitCode() method.
>
> This CL's base is the CL for adding the BevelNormalSource API: https://codereview.chromium.org/2080993002
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2114993002
>
> Committed: https://skia.googlesource.com/skia/+/4ef6dfa7089c092c67b0d5ec34e89c1e319af196TBR=egdaniel@google.com,robertphillips@google.com,bsalomon@google.com,dvonbeck@google.com
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=skia:
Review-Url: https://codereview.chromium.org/2201613002
Motivation:
SkPDFStream and SkPDFSharedStream now work the same.
Also:
- move SkPDFStream into SkPDFTypes (it's a fundamental PDF type).
- minor refactor of SkPDFSharedStream
- SkPDFSharedStream takes unique_ptr to represent ownership
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2190883003
Review-Url: https://codereview.chromium.org/2190883003
This update allows fragment processors to require a field of vectors to the nearest edge. This requirement propagates:
- from child FPs to their parent
- from parent FPs to the GrPaint
- from GrPaint through the PipelineBuilder into GrPipeline
- acessed from GrPipeline by GrGLSLProgramBuilder
GrGLSL generates a variable for the distance vector and passes it down to the GeometryProcessor->emitCode() method.
This CL's base is the CL for adding the BevelNormalSource API: https://codereview.chromium.org/2080993002
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2114993002
Review-Url: https://codereview.chromium.org/2114993002
This builds, links, and runs on Linux. Have not tried Mac.
I've tested is_debug={true,false} and is_component_build.
It's neat that the component build DM works, but it's also an indication I've missed an essential flag or two... it shouldn't work. :)
The GPU backend isn't working yet, but all the software configurations I've tried look good.
This fleshes out all the other parts of SkCodec too... I noticed we weren't able to decode gifs or webp.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2188643002
Review-Url: https://codereview.chromium.org/2188643002
On Debug vulkan bots, running with the debug layers on seems to be adding
more than an hour to the total running time. Since we suppress any output
on the bots anyways the debug layers are serving no purpose. Thus I am
adding a gyp define to disable the layers on the bot.
With this change, by default when running vulkan in Debug, the debug_layers
will be enabled. The bots should disable the layers. Android framework
should also have them disabled by default.
TBR=djsollen@google.com
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2185953003
Review-Url: https://codereview.chromium.org/2185953003
GrTextureAccess optionally includes an instance, computed from the src
and dst color spaces. In all common cases (no color space for either src
or dst, or same color space for both), no object is allocated.
This change is orthogonal to my attempts to get color space attached to
render targets - regardless of how we choose to do that, this will give
us the source color space at all points where we are connecting src to
dst.
There are many dangling injection points where I've been inserting
nullptr, but I have a record of all of them. Additionally, there are now
three places (the most common simple paths for bitmap/image rendering)
where things are plumbed enough that I expect to have access to the dst
color space (all marked with XFORMTODO).
In addition to getting the dst color space, I need to inject shader code
and uniform uploading for appendTextureLookup and friends.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2154753003
Review-Url: https://codereview.chromium.org/2154753003
On some platforms, a newly-created buffer was liable to be CPU backed.
This would break code that expected a VBO (aka instanced rendering).
This change adds an optional flag to GrResourceProvider that requires
a buffer to be created in GPU memory.
It also moves the CPU backing logic into Gr land in order to properly
cache real VBOs on platforms that prefer client-side buffers.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2143333002
Review-Url: https://codereview.chromium.org/2143333002
Make a clearer demarcation between shaping and layout.
also: refactor using_skia_and_harfbuzz; stop leaking
like a sieve.
Review-Url: https://codereview.chromium.org/2138133002
Reason for revert:
Monotonicity assert is failing on ARM. (Different rsqrt() and invert() precision?) Will investigate a bit tomorrow... might reland with the test TODO.
Original issue's description:
> Move sRGB <-> linear conversion components to their own files.
>
> This makes them a little easier to use outside SkColorXform code.
>
> I've added some notes about how best to use them and their eccentricities, and added a test.
>
> Ultimately any software sRGB <-> linear conversion should funnel somehow through here.
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2128893002
> CQ_EXTRA_TRYBOTS=client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot
>
> Committed: https://skia.googlesource.com/skia/+/45e58c8807179638980aae8503573b950b844e4cTBR=reed@google.com,msarett@google.com,mtklein@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:
Review-Url: https://codereview.chromium.org/2131793002
This makes them a little easier to use outside SkColorXform code.
I've added some notes about how best to use them and their eccentricities, and added a test.
Ultimately any software sRGB <-> linear conversion should funnel somehow through here.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2128893002
CQ_EXTRA_TRYBOTS=client.skia:Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Release-SKNX_NO_SIMD-Trybot
Review-Url: https://codereview.chromium.org/2128893002
Adds a module that performs instanced rendering and starts using it
for a select subset of draws on Mac GL platforms. The instance
processor can currently handle rects, ovals, round rects, and double
round rects. It can generalize shapes as round rects in order to
improve batching. The instance processor also employs new drawing
algorithms, irrespective of instanced rendering, that improve GPU-side
performance (e.g. sample mask, different triangle layouts, etc.).
This change only scratches the surface of instanced rendering. The
majority of draws still only have one instance. Future work may
include:
* Passing coord transforms through the texel buffer.
* Sending FP uniforms through instanced vertex attribs.
* Using instanced rendering for more draws (stencil writes,
drawAtlas, etc.).
* Adding more shapes to the instance processor’s repertoire.
* Batching draws that have mismatched scissors (analyzing draw
bounds, inserting clip planes, etc.).
* Bindless textures.
* Uber shaders.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2066993003
Committed: https://skia.googlesource.com/skia/+/42eafa4bc00354b132ad114d22ed6b95d8849891
Review-Url: https://codereview.chromium.org/2066993003
Reason for revert:
This caused static initializer regressions in Chromium (crbug.com/625728).
Relevant build logs here:
Linux:
https://build.chromium.org/p/chromium/builders/Linux%20x64/builds/21849
Mac:
https://build.chromium.org/p/chromium/builders/Mac/builds/17350
Relevant lines from the error log:
Linux:
# InstanceProcessor.cpp GrUniqueKey::GenerateDomain()
# InstanceProcessor.cpp gr_instanced::kShapeBufferDomain
FAILED linux-release-64/sizes/nacl_helper-si/initializers: actual 8, expected 7, better lower
FAILED linux-release-64/sizes/chrome-si/initializers: actual 8, expected 7, better lower
Mac:
FAILED mac-release/sizes/chrome-si/initializers: actual 2, expected 0, better lower
Original issue's description:
> Begin instanced rendering for simple shapes
>
> Adds a module that performs instanced rendering and starts using it
> for a select subset of draws on Mac GL platforms. The instance
> processor can currently handle rects, ovals, round rects, and double
> round rects. It can generalize shapes as round rects in order to
> improve batching. The instance processor also employs new drawing
> algorithms, irrespective of instanced rendering, that improve GPU-side
> performance (e.g. sample mask, different triangle layouts, etc.).
>
> This change only scratches the surface of instanced rendering. The
> majority of draws still only have one instance. Future work may
> include:
>
> * Passing coord transforms through the texel buffer.
> * Sending FP uniforms through instanced vertex attribs.
> * Using instanced rendering for more draws (stencil writes,
> drawAtlas, etc.).
> * Adding more shapes to the instance processor’s repertoire.
> * Batching draws that have mismatched scissors (analyzing draw
> bounds, inserting clip planes, etc.).
> * Bindless textures.
> * Uber shaders.
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2066993003
>
> Committed: https://skia.googlesource.com/skia/+/42eafa4bc00354b132ad114d22ed6b95d8849891
NOTREECHECKS=true
TBR=bsalomon@google.com,egdaniel@google.com,robertphillips@google.com,csmartdalton@google.com
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=skia:
Review-Url: https://codereview.chromium.org/2123693002
Adds a module that performs instanced rendering and starts using it
for a select subset of draws on Mac GL platforms. The instance
processor can currently handle rects, ovals, round rects, and double
round rects. It can generalize shapes as round rects in order to
improve batching. The instance processor also employs new drawing
algorithms, irrespective of instanced rendering, that improve GPU-side
performance (e.g. sample mask, different triangle layouts, etc.).
This change only scratches the surface of instanced rendering. The
majority of draws still only have one instance. Future work may
include:
* Passing coord transforms through the texel buffer.
* Sending FP uniforms through instanced vertex attribs.
* Using instanced rendering for more draws (stencil writes,
drawAtlas, etc.).
* Adding more shapes to the instance processor’s repertoire.
* Batching draws that have mismatched scissors (analyzing draw
bounds, inserting clip planes, etc.).
* Bindless textures.
* Uber shaders.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2066993003
Review-Url: https://codereview.chromium.org/2066993003
Reason for revert:
GMs are crashing on Windows Test trybots
Original issue's description:
> SkLightingShader normal vector CPU computation refactor.
>
> The purpose of this change is to refactor the handling of normal maps out of SkLightingShader, laying the groundwork to eventually allow for multiple normal sources.
>
> This CL's base was the CL for GPU handling: https://codereview.chromium.org/2043393002/
>
> What this CL includes:
>
> - A refactor of the SkLightingShader context's code that deals with reading normals off of a normal map. This is now abstracted out into a NormalSource::Provider class that the context uses.
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2050773002
>
> Committed: https://skia.googlesource.com/skia/+/790a70118327a129cb6b48fabe80f4e184c1e67cTBR=egdaniel@google.com,reed@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:
Review-Url: https://codereview.chromium.org/2101653002
The purpose of this change is to refactor the handling of normal maps out of SkLightingShader, laying the groundwork to eventually allow for multiple normal sources.
This CL's base was the CL for GPU handling: https://codereview.chromium.org/2043393002/
What this CL includes:
- A refactor of the SkLightingShader context's code that deals with reading normals off of a normal map. This is now abstracted out into a NormalSource::Provider class that the context uses.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2050773002
Review-Url: https://codereview.chromium.org/2050773002
__mulodi4() is roughly,
int64_t __mulodi4(int64_t a, int64_t b, int* overflow) {
int64_t result = a*b;
*overflow = did_overflow(result);
return result;
}
It's used by Clang's __builtin_smulll_overflow(), which is basically the same
except it swaps the positions of the return value and the out parameter.
DNG SDK in turn uses __builtin_smulll_overflow().
When building ARMv7 binaries with Clang, __mulodi4() turns up as a missing symbol.
That's because it's defined in a separate compiler-rt library. I have not been
able to link that. Instead, I've provided our own trivial __builtin_smulll_overflow().
Before this patch both nanobench and DM failed dynamically linking __mulodi4(). After this patch nanobench runs for a while, eventually segfaulting. DM immediately segfaults.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2011073002
Review-Url: https://codereview.chromium.org/2011073002
Reason for revert:
break deps roll
Original issue's description:
> Refactoring of GPU NormalMap handling out into its own class.
>
> The purpose of this change is to refactor the handling of normal maps out of SkLightingShader, laying the groundwork to eventually allow for multiple normal sources.
>
> What this CL includes:
>
> - Created a new 'NormalMapFP', out of the existing normal map reading behavior in LightingFP.
>
> - Encapsulates this new fragment processor on a new class NormalMapSource.
>
> - Created a NormalSource abstraction that will interface with SkLightingShader.
>
> - Adapted SkLightingShader to use the normals from its NormalSource field ON THE GPU SIDE. No changes done to the CPU side yet.
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2043393002
>
> Committed: https://skia.googlesource.com/skia/+/87b0dd00cf9409c5fc990f5d0bb7c0df837f08da
> Committed: https://skia.googlesource.com/skia/+/a7d1e2a57aef2aa4913d4380646d60bbab761318TBR=reed@google.com,dvonbeck@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:
Review-Url: https://codereview.chromium.org/2068983005
The purpose of this change is to refactor the handling of normal maps out of SkLightingShader, laying the groundwork to eventually allow for multiple normal sources.
What this CL includes:
- Created a new 'NormalMapFP', out of the existing normal map reading behavior in LightingFP.
- Encapsulates this new fragment processor on a new class NormalMapSource.
- Created a NormalSource abstraction that will interface with SkLightingShader.
- Adapted SkLightingShader to use the normals from its NormalSource field ON THE GPU SIDE. No changes done to the CPU side yet.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2043393002
Committed: https://skia.googlesource.com/skia/+/87b0dd00cf9409c5fc990f5d0bb7c0df837f08da
Review-Url: https://codereview.chromium.org/2043393002
- When the stroke width gets too big the raster algorithm produces
incorrect output
- This also causes the GPU path to produce incorrect output if the width
is larger than an arbitrary limit in GrAALinearizingConvexPathRenderer
(which is the renderer used for this specific geometry)
- Other non-convex geometries probably also produce strange results
BUG=skia:5405,skia:5406
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2060903002
Review-Url: https://codereview.chromium.org/2060903002
Reason for revert:
Breaking build and deps roll. Need to move include of SkBitmapProcShader in SkLightingShader.cpp from gpu include list to general list.
Original issue's description:
> Refactoring of GPU NormalMap handling out into its own class.
>
> The purpose of this change is to refactor the handling of normal maps out of SkLightingShader, laying the groundwork to eventually allow for multiple normal sources.
>
> What this CL includes:
>
> - Created a new 'NormalMapFP', out of the existing normal map reading behavior in LightingFP.
>
> - Encapsulates this new fragment processor on a new class NormalMapSource.
>
> - Created a NormalSource abstraction that will interface with SkLightingShader.
>
> - Adapted SkLightingShader to use the normals from its NormalSource field ON THE GPU SIDE. No changes done to the CPU side yet.
>
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2043393002
>
> Committed: https://skia.googlesource.com/skia/+/87b0dd00cf9409c5fc990f5d0bb7c0df837f08daTBR=reed@google.com,dvonbeck@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:
Review-Url: https://codereview.chromium.org/2062133004
The purpose of this change is to refactor the handling of normal maps out of SkLightingShader, laying the groundwork to eventually allow for multiple normal sources.
What this CL includes:
- Created a new 'NormalMapFP', out of the existing normal map reading behavior in LightingFP.
- Encapsulates this new fragment processor on a new class NormalMapSource.
- Created a NormalSource abstraction that will interface with SkLightingShader.
- Adapted SkLightingShader to use the normals from its NormalSource field ON THE GPU SIDE. No changes done to the CPU side yet.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2043393002
Review-Url: https://codereview.chromium.org/2043393002
To build shaderc, gyp used to punt to cmake, which did not work well on the bots and I couldn't find any way to pipe the variables into cmake which would have made it happy.
So, I wrote a gyp file for shaderc and its dependencies. Nothing super complicated (thank goodness), except for the files that spirv-tools needed generated.
BUG=skia:5186
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2047833003
Review-Url: https://codereview.chromium.org/2047833003
Currently this is not actually hooked into the system.
To give some context, in a follow up CL I'll add this to GrDrawTarget.
For this I will move the gpu onDraw command to the GpuCommandBuffer as well.
For GL this will end up just being a pass through to a non virtual draw(...)
on GrGLGpu, and for vulkan it will mostly do what it currently does but
adding commands to the secondary command buffer instead.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2038583002
Review-Url: https://codereview.chromium.org/2038583002
Crash is caused by ldxc1 instruction, which traps when double values are
not aligned on 8-byte boundaries. Problem was tracked to SkChunkAlloc which
produces pointers aligned on 4-byte boundaries leading to misalignment.
This change makes sure that SkChunkAlloc will produce pointers that are
aligned to 8 bytes.
Appropriate tests are added to tests/MemsetTest.cpp
TEST=Build Chromium with Clang and run on MIPS32r2 platform
TEST=./out/Debug/dm --match Memset
BUG=130022
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1849183004
Review-Url: https://codereview.chromium.org/1849183004
With this change, the CMake build, which does not use DEPS to sync
external projects, is able to build and use the same version of libpng
that is used in other builds.
This will allow all platforms (including Google3 CMake build) to test on
the same version of libpng, so we do not need to make SkPngCodec support
all versions of libpng.
- Update CMakeLists.txt to use the checked in libpng.
- Check in libpng version 1.6.22rc01
- Update README.google
- Replace our old LICENSE file with the latest one from libpng
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2033063003
CQ_EXTRA_TRYBOTS=client.skia.compile:Build-Ubuntu-GCC-x86_64-Release-CMake-Trybot,Build-Mac-Clang-x86_64-Release-CMake-Trybot
Review-Url: https://codereview.chromium.org/2033063003
When targetting iOS and using gyp to generate the build files, it is not
possible to select files to build depending on the architecture. Due to
that, the skia code was disabling all optimisation when SK_BUILD_FOR_IOS
was defined.
Since it is possible to select the correct optimised version when using
gn, this pessimisation is hurting the build. Introduce a new define to
disable the optimisation SK_BUILD_NO_OPTS. It will be used by Chromium
when building skia for iOS with gyp but not gn.
Define SK_BUILD_NO_OPTS along-side SK_BUILD_FOR_IOS for all files that
look like build configuration (Xcode projects, gyp configuration files,
public.bzl) in order to avoid introducing breakage on those builds.
BUG=607933
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2002423002
Review-Url: https://codereview.chromium.org/2002423002
- remove dead code
- rewrite float -> int converters
The strategy for the new converters is:
- convert input to double
- floor/ceil/round in double space
- pin that double to [SK_MinS32, SK_MaxS32]
- truncate that double to int32_t
This simpler strategy does not work:
- floor/ceil/round in float space
- pin that float to [SK_MinS32, SK_MaxS32]
- truncate that float to int32_t
SK_MinS32 and SK_MaxS32 are not representable as floats:
they round to the nearest float, ±2^31, which makes the
pin insufficient for floats near SK_MinS32 (-2^31+1) or
SK_MaxS32 (+2^31-1).
float only has 24 bits of precision, and we need 31.
double can represent all integers up to 50-something bits.
An alternative is to pin in float to ±2147483520, the last
exactly representable float before SK_MaxS32 (127 too small).
Our tests test that we round as floor(x+0.5), which can
return different numbers than round(x) for negative x.
So this CL explicitly uses floor(x+0.5).
I've updated the tests with ±inf and ±NaN, and tried to
make them a little clearer, especially using SK_MinS32
instead of -SK_MaxS32.
I have not timed anything here. I have never seen any of these
methods in a profile.
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2012333003
Review-Url: https://codereview.chromium.org/2012333003
