ed58e004e0
The client can do a test run of their application with a persistent cache set to SkSL mode. They store the key and data blobs that are produced. Ship those blobs with the application. At startup, call GrContext::precompileShader for each key/data pair. This compiles the shaders, and stores the GL program ID, plus a small amount of metadata in our runtime program cache. Caveats: * Currently only implemented for the GL backend. Other backends will require more metadata to do any useful amount of work. Metal may need a more drastic workflow change, involving offline compilation of the shaders. * Currently only implemented for cached SkSL (not GLSL or program binaries). Supporting other formats again requires more metadata, and the cached shaders become increasingly specialized to GPU and driver versions. * Reusing the cached SkSL on different hardware is not supported. Many driver workarounds are implemented in the SkSL -> GLSL transformation, but some are higher level. Limiting device variance by artificially hiding extensions may help, but there are no guarantees. * The 'gltestprecompile' DM config exercises this code similarly to 'gltestpersistentcache', ensuring that results are visually identical when precompiling, and that no cache misses occur after precompiling. Change-Id: Id314c5d5f5a58fe503a0505a613bd4a540cc3589 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/239438 Reviewed-by: Greg Daniel <egdaniel@google.com> Reviewed-by: Brian Salomon <bsalomon@google.com> Commit-Queue: Brian Osman <brianosman@google.com>
114 lines
4.8 KiB
C++
114 lines
4.8 KiB
C++
/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SK_COMMON_FLAGS_CONFIG_H
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#define SK_COMMON_FLAGS_CONFIG_H
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#include "tools/flags/CommandLineFlags.h"
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#include "tools/gpu/GrContextFactory.h"
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DECLARE_string(config);
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class SkCommandLineConfigGpu;
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class SkCommandLineConfigSvg;
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// SkCommandLineConfig represents a Skia rendering configuration string.
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// The string has following form:
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// tag:
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// [via-]*backend
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// where 'backend' consists of chars excluding hyphen
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// and each 'via' consists of chars excluding hyphen.
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class SkCommandLineConfig {
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public:
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SkCommandLineConfig(const SkString& tag,
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const SkString& backend,
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const SkTArray<SkString>& viaParts);
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virtual ~SkCommandLineConfig();
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virtual const SkCommandLineConfigGpu* asConfigGpu() const { return nullptr; }
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virtual const SkCommandLineConfigSvg* asConfigSvg() const { return nullptr; }
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const SkString& getTag() const { return fTag; }
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const SkString& getBackend() const { return fBackend; }
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const SkTArray<SkString>& getViaParts() const { return fViaParts; }
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private:
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SkString fTag;
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SkString fBackend;
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SkTArray<SkString> fViaParts;
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};
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// SkCommandLineConfigGpu is a SkCommandLineConfig that extracts information out of the backend
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// part of the tag. It is constructed tags that have:
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// * backends of form "gpu[option=value,option2=value,...]"
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// * backends that represent a shorthand of above (such as "glmsaa16" representing
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// "gpu(api=gl,samples=16)")
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class SkCommandLineConfigGpu : public SkCommandLineConfig {
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public:
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enum class SurfType { kDefault, kBackendTexture, kBackendRenderTarget };
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typedef sk_gpu_test::GrContextFactory::ContextType ContextType;
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typedef sk_gpu_test::GrContextFactory::ContextOverrides ContextOverrides;
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SkCommandLineConfigGpu(const SkString& tag,
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const SkTArray<SkString>& viaParts,
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ContextType contextType,
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bool useDIText,
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int samples,
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SkColorType colorType,
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SkAlphaType alphaType,
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sk_sp<SkColorSpace> colorSpace,
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bool useStencilBuffers,
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bool testThreading,
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int testPersistentCache,
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bool testPrecompile,
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SurfType);
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const SkCommandLineConfigGpu* asConfigGpu() const override { return this; }
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ContextType getContextType() const { return fContextType; }
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ContextOverrides getContextOverrides() const { return fContextOverrides; }
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bool getUseDIText() const { return fUseDIText; }
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int getSamples() const { return fSamples; }
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SkColorType getColorType() const { return fColorType; }
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SkAlphaType getAlphaType() const { return fAlphaType; }
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SkColorSpace* getColorSpace() const { return fColorSpace.get(); }
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bool getTestThreading() const { return fTestThreading; }
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int getTestPersistentCache() const { return fTestPersistentCache; }
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bool getTestPrecompile() const { return fTestPrecompile; }
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SurfType getSurfType() const { return fSurfType; }
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private:
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ContextType fContextType;
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ContextOverrides fContextOverrides;
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bool fUseDIText;
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int fSamples;
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SkColorType fColorType;
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SkAlphaType fAlphaType;
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sk_sp<SkColorSpace> fColorSpace;
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bool fTestThreading;
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int fTestPersistentCache;
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bool fTestPrecompile;
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SurfType fSurfType;
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};
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// SkCommandLineConfigSvg is a SkCommandLineConfig that extracts information out of the backend
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// part of the tag. It is constructed tags that have:
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// * backends of form "svg[option=value,option2=value,...]"
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class SkCommandLineConfigSvg : public SkCommandLineConfig {
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public:
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SkCommandLineConfigSvg(const SkString& tag, const SkTArray<SkString>& viaParts, int pageIndex);
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const SkCommandLineConfigSvg* asConfigSvg() const override { return this; }
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int getPageIndex() const { return fPageIndex; }
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private:
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int fPageIndex;
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};
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typedef SkTArray<std::unique_ptr<SkCommandLineConfig>, true> SkCommandLineConfigArray;
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void ParseConfigs(const CommandLineFlags::StringArray& configList,
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SkCommandLineConfigArray* outResult);
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#endif
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