/usr/include/thunderbird/skia/GrEffectUnitTest.h is in thunderbird-dev 1:38.6.0+build1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
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* 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 GrEffectUnitTest_DEFINED
#define GrEffectUnitTest_DEFINED
#include "SkRandom.h"
#include "SkTArray.h"
#include "SkTypes.h"
class SkMatrix;
class GrDrawTargetCaps;
namespace GrEffectUnitTest {
// Used to access the dummy textures in TestCreate procs.
enum {
kSkiaPMTextureIdx = 0,
kAlphaTextureIdx = 1,
};
/**
* A helper for use in GrEffect::TestCreate functions.
*/
const SkMatrix& TestMatrix(SkRandom*);
}
#if SK_ALLOW_STATIC_GLOBAL_INITIALIZERS
class GrContext;
class GrEffect;
class GrTexture;
class GrEffectTestFactory : SkNoncopyable {
public:
typedef GrEffect* (*CreateProc)(SkRandom*,
GrContext*,
const GrDrawTargetCaps& caps,
GrTexture* dummyTextures[]);
GrEffectTestFactory(CreateProc createProc) {
fCreateProc = createProc;
GetFactories()->push_back(this);
}
static GrEffect* CreateStage(SkRandom* random,
GrContext* context,
const GrDrawTargetCaps& caps,
GrTexture* dummyTextures[]) {
uint32_t idx = random->nextRangeU(0, GetFactories()->count() - 1);
GrEffectTestFactory* factory = (*GetFactories())[idx];
return factory->fCreateProc(random, context, caps, dummyTextures);
}
private:
CreateProc fCreateProc;
static SkTArray<GrEffectTestFactory*, true>* GetFactories();
};
/** GrEffect subclasses should insert this macro in their declaration to be included in the
* program generation unit test.
*/
#define GR_DECLARE_EFFECT_TEST \
static GrEffectTestFactory gTestFactory; \
static GrEffect* TestCreate(SkRandom*, \
GrContext*, \
const GrDrawTargetCaps&, \
GrTexture* dummyTextures[2])
/** GrEffect subclasses should insert this macro in their implementation file. They must then
* also implement this static function:
* GrEffect* TestCreate(SkRandom*,
* GrContext*,
* const GrDrawTargetCaps&,
* GrTexture* dummyTextures[2]);
* dummyTextures[] are valid textures that can optionally be used to construct GrTextureAccesses.
* 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.
*/
#define GR_DEFINE_EFFECT_TEST(Effect) \
GrEffectTestFactory Effect :: gTestFactory(Effect :: TestCreate)
#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_EFFECT_TEST \
static GrEffect* TestCreate(SkRandom*, \
GrContext*, \
const GrDrawTargetCaps&, \
GrTexture* dummyTextures[2])
#define GR_DEFINE_EFFECT_TEST(X)
#endif // !SK_ALLOW_STATIC_GLOBAL_INITIALIZERS
#endif
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