| /* |
| * Copyright 2018 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef GrSkSLFP_DEFINED |
| #define GrSkSLFP_DEFINED |
| |
| #include "include/core/SkRefCnt.h" |
| #include "include/effects/SkRuntimeEffect.h" |
| #include "include/gpu/GrContextOptions.h" |
| #include "src/gpu/GrFragmentProcessor.h" |
| #include <atomic> |
| |
| class GrShaderCaps; |
| class SkData; |
| class SkRuntimeEffect; |
| |
| class GrSkSLFP : public GrFragmentProcessor { |
| public: |
| /** |
| * Creates a new fragment processor from an SkRuntimeEffect and a data blob containing values |
| * for all of the 'uniform' variables in the SkSL source. The layout of the uniforms blob is |
| * dictated by the SkRuntimeEffect. |
| */ |
| static std::unique_ptr<GrSkSLFP> Make(sk_sp<SkRuntimeEffect> effect, |
| const char* name, |
| sk_sp<SkData> uniforms); |
| |
| const char* name() const override; |
| |
| void addChild(std::unique_ptr<GrFragmentProcessor> child); |
| |
| std::unique_ptr<GrFragmentProcessor> clone() const override; |
| |
| private: |
| GrSkSLFP(sk_sp<SkRuntimeEffect> effect, const char* name, sk_sp<SkData> uniforms); |
| |
| GrSkSLFP(const GrSkSLFP& other); |
| |
| std::unique_ptr<GrGLSLFragmentProcessor> onMakeProgramImpl() const override; |
| |
| void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override; |
| |
| bool onIsEqual(const GrFragmentProcessor&) const override; |
| |
| SkPMColor4f constantOutputForConstantInput(const SkPMColor4f&) const override; |
| |
| sk_sp<SkRuntimeEffect> fEffect; |
| const char* fName; |
| sk_sp<SkData> fUniforms; |
| |
| GR_DECLARE_FRAGMENT_PROCESSOR_TEST |
| |
| using INHERITED = GrFragmentProcessor; |
| |
| friend class GrGLSLSkSLFP; |
| |
| friend class GrSkSLFPFactory; |
| }; |
| |
| class GrRuntimeFPBuilder : public SkRuntimeEffectBuilder<std::unique_ptr<GrFragmentProcessor>> { |
| public: |
| ~GrRuntimeFPBuilder(); |
| |
| // NOTE: We use a static variable as a cache. CODE and MAKE must remain template parameters. |
| template <const char* CODE, SkRuntimeEffect::Result (*MAKE)(SkString sksl)> |
| static GrRuntimeFPBuilder Make() { |
| static const SkRuntimeEffect::Result gResult = MAKE(SkString(CODE)); |
| #ifdef SK_DEBUG |
| if (!gResult.effect) { |
| SK_ABORT("Code failed: %s", gResult.errorText.c_str()); |
| } |
| #endif |
| return GrRuntimeFPBuilder(gResult.effect); |
| } |
| |
| std::unique_ptr<GrFragmentProcessor> makeFP(); |
| |
| private: |
| explicit GrRuntimeFPBuilder(sk_sp<SkRuntimeEffect>); |
| GrRuntimeFPBuilder(GrRuntimeFPBuilder&& that) = default; |
| |
| using INHERITED = SkRuntimeEffectBuilder<std::unique_ptr<GrFragmentProcessor>>; |
| }; |
| |
| #endif |