зеркало из https://github.com/mozilla/moz-skia.git
79 строки
2.8 KiB
C++
79 строки
2.8 KiB
C++
/*
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* Copyright 2012 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 GrCustomStageUnitTest_DEFINED
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#define GrCustomStageUnitTest_DEFINED
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#include "SkRandom.h"
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#include "GrNoncopyable.h"
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#include "SkTArray.h"
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namespace GrCustomStageUnitTest {
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// Used to access the dummy textures in TestCreate procs.
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enum {
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kSkiaPMTextureIdx = 0,
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kAlphaTextureIdx = 1,
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};
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}
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#if SK_ALLOW_STATIC_GLOBAL_INITIALIZERS
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class GrCustomStage;
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class GrContext;
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class GrTexture;
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class GrCustomStageTestFactory : GrNoncopyable {
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public:
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typedef GrCustomStage* (*CreateProc)(SkRandom*, GrContext*, GrTexture* dummyTextures[]);
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GrCustomStageTestFactory(CreateProc createProc) {
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fCreateProc = createProc;
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GetFactories()->push_back(this);
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}
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static GrCustomStage* CreateStage(SkRandom* random,
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GrContext* context,
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GrTexture* dummyTextures[]) {
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uint32_t idx = random->nextRangeU(0, GetFactories()->count() - 1);
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GrCustomStageTestFactory* factory = (*GetFactories())[idx];
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return factory->fCreateProc(random, context, dummyTextures);
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}
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private:
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CreateProc fCreateProc;
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static SkTArray<GrCustomStageTestFactory*, true>* GetFactories();
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};
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/** GrCustomStage subclasses should insert this macro in their declaration to be included in the
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* program generation unit test.
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*/
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#define GR_DECLARE_CUSTOM_STAGE_TEST \
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static GrCustomStageTestFactory gTestFactory; \
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static GrCustomStage* TestCreate(SkRandom*, GrContext*, GrTexture* dummyTextures[2])
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/** GrCustomStage subclasses should insert this macro in their implemenation file. They must then
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* also implement this static function:
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* GrCustomStage* CreateStage(SkRandom*, GrContext*, GrTexture* dummyTextures[2]);
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* dummyTextures[] are valied textures that they can optionally use for their texture accesses. The
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* first texture has config kSkia8888_PM_GrPixelConfig and the second has kAlpha_8_GrPixelConfig.
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* TestCreate functions are also free to create additional textures using the GrContext.
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*/
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#define GR_DEFINE_CUSTOM_STAGE_TEST(CustomStage) \
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GrCustomStageTestFactory CustomStage :: gTestFactory(CustomStage :: TestCreate)
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#else // !SK_ALLOW_STATIC_GLOBAL_INITIALIZERS
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// The unit test relies on static initializers. Just declare the TestCreate function so that
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// its definitions will compile.
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#define GR_DECLARE_CUSTOM_STAGE_TEST \
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static GrCustomStage* TestCreate(SkRandom*, GrContext*, GrTexture* dummyTextures[2])
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#define GR_DEFINE_CUSTOM_STAGE_TEST(X)
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#endif // !SK_ALLOW_STATIC_GLOBAL_INITIALIZERS
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#endif
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