| /* |
| * Copyright 2012 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef GrProcessorUnitTest_DEFINED |
| #define GrProcessorUnitTest_DEFINED |
| |
| #include "SkTypes.h" |
| |
| #if GR_TEST_UTILS |
| |
| #include "../private/GrTextureProxy.h" |
| #include "../private/SkTArray.h" |
| #include "GrTestUtils.h" |
| |
| class SkMatrix; |
| class GrCaps; |
| class GrContext; |
| class GrRenderTargetContext; |
| struct GrProcessorTestData; |
| class GrTexture; |
| class GrXPFactory; |
| |
| namespace GrProcessorUnitTest { |
| |
| // Used to access the dummy textures in TestCreate procs. |
| enum { |
| kSkiaPMTextureIdx = 0, |
| kAlphaTextureIdx = 1, |
| }; |
| |
| /** This allows parent FPs to implement a test create with known leaf children in order to avoid |
| creating an unbounded FP tree which may overflow various shader limits. */ |
| sk_sp<GrFragmentProcessor> MakeChildFP(GrProcessorTestData*); |
| |
| } |
| |
| /* |
| * GrProcessorTestData is an argument struct to TestCreate functions |
| * fTextures are valid textures that can optionally be used to construct |
| * TextureSampler. The first texture has config kSkia8888_GrPixelConfig and the second has |
| * kAlpha_8_GrPixelConfig. TestCreate functions are also free to create additional textures using |
| * the GrContext. |
| */ |
| struct GrProcessorTestData { |
| GrProcessorTestData(SkRandom* random, |
| GrContext* context, |
| const GrRenderTargetContext* renderTargetContext, |
| sk_sp<GrTextureProxy> proxies[2]) |
| : fRandom(random) |
| , fRenderTargetContext(renderTargetContext) |
| , fContext(context) { |
| SkASSERT(proxies[0] && proxies[1]); |
| fProxies[0] = proxies[0]; |
| fProxies[1] = proxies[1]; |
| } |
| SkRandom* fRandom; |
| const GrRenderTargetContext* fRenderTargetContext; |
| |
| GrContext* context() { return fContext; } |
| GrResourceProvider* resourceProvider(); |
| const GrCaps* caps(); |
| sk_sp<GrTextureProxy> textureProxy(int index) { return fProxies[index]; } |
| |
| private: |
| GrContext* fContext; |
| sk_sp<GrTextureProxy> fProxies[2]; |
| }; |
| |
| #if SK_ALLOW_STATIC_GLOBAL_INITIALIZERS |
| |
| class GrProcessor; |
| class GrTexture; |
| |
| template <class Processor> class GrProcessorTestFactory : private SkNoncopyable { |
| public: |
| typedef sk_sp<Processor> (*MakeProc)(GrProcessorTestData*); |
| |
| GrProcessorTestFactory(MakeProc makeProc) { |
| fMakeProc = makeProc; |
| GetFactories()->push_back(this); |
| } |
| |
| /** Pick a random factory function and create a processor. */ |
| static sk_sp<Processor> Make(GrProcessorTestData* data) { |
| VerifyFactoryCount(); |
| SkASSERT(GetFactories()->count()); |
| uint32_t idx = data->fRandom->nextRangeU(0, GetFactories()->count() - 1); |
| return MakeIdx(idx, data); |
| } |
| |
| /** Number of registered factory functions */ |
| static int Count() { return GetFactories()->count(); } |
| |
| /** Use factory function at Index idx to create a processor. */ |
| static sk_sp<Processor> MakeIdx(int idx, GrProcessorTestData* data) { |
| GrProcessorTestFactory<Processor>* factory = (*GetFactories())[idx]; |
| sk_sp<Processor> processor = factory->fMakeProc(data); |
| SkASSERT(processor); |
| return processor; |
| } |
| |
| private: |
| /** |
| * A test function which verifies the count of factories. |
| */ |
| static void VerifyFactoryCount(); |
| |
| MakeProc fMakeProc; |
| |
| static SkTArray<GrProcessorTestFactory<Processor>*, true>* GetFactories(); |
| }; |
| |
| class GrXPFactoryTestFactory : private SkNoncopyable { |
| public: |
| using GetFn = const GrXPFactory*(GrProcessorTestData*); |
| |
| GrXPFactoryTestFactory(GetFn* getProc) : fGetProc(getProc) { GetFactories()->push_back(this); } |
| |
| static const GrXPFactory* Get(GrProcessorTestData* data) { |
| VerifyFactoryCount(); |
| SkASSERT(GetFactories()->count()); |
| uint32_t idx = data->fRandom->nextRangeU(0, GetFactories()->count() - 1); |
| const GrXPFactory* xpf = (*GetFactories())[idx]->fGetProc(data); |
| SkASSERT(xpf); |
| return xpf; |
| } |
| |
| private: |
| static void VerifyFactoryCount(); |
| |
| GetFn* fGetProc; |
| static SkTArray<GrXPFactoryTestFactory*, true>* GetFactories(); |
| }; |
| |
| /** GrProcessor subclasses should insert this macro in their declaration to be included in the |
| * program generation unit test. |
| */ |
| #define GR_DECLARE_GEOMETRY_PROCESSOR_TEST \ |
| static GrProcessorTestFactory<GrGeometryProcessor> gTestFactory SK_UNUSED; \ |
| static sk_sp<GrGeometryProcessor> TestCreate(GrProcessorTestData*); |
| |
| #define GR_DECLARE_FRAGMENT_PROCESSOR_TEST \ |
| static GrProcessorTestFactory<GrFragmentProcessor> gTestFactory SK_UNUSED; \ |
| static sk_sp<GrFragmentProcessor> TestCreate(GrProcessorTestData*); |
| |
| #define GR_DECLARE_XP_FACTORY_TEST \ |
| static GrXPFactoryTestFactory gTestFactory SK_UNUSED; \ |
| static const GrXPFactory* TestGet(GrProcessorTestData*); |
| |
| /** GrProcessor subclasses should insert this macro in their implementation file. They must then |
| * also implement this static function: |
| * GrProcessor* TestCreate(GrProcessorTestData*); |
| */ |
| #define GR_DEFINE_FRAGMENT_PROCESSOR_TEST(Effect) \ |
| GrProcessorTestFactory<GrFragmentProcessor> Effect::gTestFactory(Effect::TestCreate) |
| |
| #define GR_DEFINE_GEOMETRY_PROCESSOR_TEST(Effect) \ |
| GrProcessorTestFactory<GrGeometryProcessor> Effect::gTestFactory(Effect::TestCreate) |
| |
| #define GR_DEFINE_XP_FACTORY_TEST(Factory) \ |
| GrXPFactoryTestFactory Factory::gTestFactory(Factory::TestGet) |
| |
| #else // !SK_ALLOW_STATIC_GLOBAL_INITIALIZERS |
| |
| // The unit test relies on static initializers. Just declare the TestCreate function so that |
| // its definitions will compile. |
| #define GR_DECLARE_FRAGMENT_PROCESSOR_TEST \ |
| static sk_sp<GrFragmentProcessor> TestCreate(GrProcessorTestData*); |
| #define GR_DEFINE_FRAGMENT_PROCESSOR_TEST(X) |
| |
| // The unit test relies on static initializers. Just declare the TestCreate function so that |
| // its definitions will compile. |
| #define GR_DECLARE_GEOMETRY_PROCESSOR_TEST \ |
| static sk_sp<GrGeometryProcessor> TestCreate(GrProcessorTestData*); |
| #define GR_DEFINE_GEOMETRY_PROCESSOR_TEST(X) |
| |
| // The unit test relies on static initializers. Just declare the TestGet function so that |
| // its definitions will compile. |
| #define GR_DECLARE_XP_FACTORY_TEST \ |
| const GrXPFactory* TestGet(GrProcessorTestData*); |
| #define GR_DEFINE_XP_FACTORY_TEST(X) |
| |
| #endif // !SK_ALLOW_STATIC_GLOBAL_INITIALIZERS |
| #else // GR_TEST_UTILS |
| #define GR_DECLARE_GEOMETRY_PROCESSOR_TEST |
| #define GR_DECLARE_FRAGMENT_PROCESSOR_TEST |
| #define GR_DECLARE_XP_FACTORY_TEST |
| #define GR_DEFINE_FRAGMENT_PROCESSOR_TEST(...) |
| #define GR_DEFINE_GEOMETRY_PROCESSOR_TEST(...) |
| #define GR_DEFINE_XP_FACTORY_TEST(...) |
| #define GR_DECLARE_FRAGMENT_PROCESSOR_TEST |
| #define GR_DEFINE_FRAGMENT_PROCESSOR_TEST(...) |
| #define GR_DECLARE_GEOMETRY_PROCESSOR_TEST |
| #define GR_DEFINE_GEOMETRY_PROCESSOR_TEST(...) |
| #define GR_DECLARE_XP_FACTORY_TEST |
| #define GR_DEFINE_XP_FACTORY_TEST(...) |
| #endif // GR_TEST_UTILS |
| #endif // GrProcessorUnitTest_DEFINED |