gfx/skia/trunk/include/gpu/GrEffectUnitTest.h@6474c204b198 (annotated)
gfx/skia/trunk/include/gpu/GrEffectUnitTest.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright 2012 Google Inc. |
| michael@0 | 3 | * |
| michael@0 | 4 | * Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 5 | * found in the LICENSE file. |
| michael@0 | 6 | */ |
| michael@0 | 7 | |
| michael@0 | 8 | #ifndef GrEffectUnitTest_DEFINED |
| michael@0 | 9 | #define GrEffectUnitTest_DEFINED |
| michael@0 | 10 | |
| michael@0 | 11 | #include "SkRandom.h" |
| michael@0 | 12 | #include "SkTArray.h" |
| michael@0 | 13 | #include "SkTypes.h" |
| michael@0 | 14 | |
| michael@0 | 15 | class SkMatrix; |
| michael@0 | 16 | class GrDrawTargetCaps; |
| michael@0 | 17 | |
| michael@0 | 18 | namespace GrEffectUnitTest { |
| michael@0 | 19 | // Used to access the dummy textures in TestCreate procs. |
| michael@0 | 20 | enum { |
| michael@0 | 21 | kSkiaPMTextureIdx = 0, |
| michael@0 | 22 | kAlphaTextureIdx = 1, |
| michael@0 | 23 | }; |
| michael@0 | 24 | |
| michael@0 | 25 | /** |
| michael@0 | 26 | * A helper for use in GrEffect::TestCreate functions. |
| michael@0 | 27 | */ |
| michael@0 | 28 | const SkMatrix& TestMatrix(SkRandom*); |
| michael@0 | 29 | |
| michael@0 | 30 | } |
| michael@0 | 31 | |
| michael@0 | 32 | #if SK_ALLOW_STATIC_GLOBAL_INITIALIZERS |
| michael@0 | 33 | |
| michael@0 | 34 | class GrContext; |
| michael@0 | 35 | class GrEffectRef; |
| michael@0 | 36 | class GrTexture; |
| michael@0 | 37 | |
| michael@0 | 38 | class GrEffectTestFactory : public SkNoncopyable { |
| michael@0 | 39 | public: |
| michael@0 | 40 | |
| michael@0 | 41 | typedef GrEffectRef* (*CreateProc)(SkRandom*, |
| michael@0 | 42 | GrContext*, |
| michael@0 | 43 | const GrDrawTargetCaps& caps, |
| michael@0 | 44 | GrTexture* dummyTextures[]); |
| michael@0 | 45 | |
| michael@0 | 46 | GrEffectTestFactory(CreateProc createProc) { |
| michael@0 | 47 | fCreateProc = createProc; |
| michael@0 | 48 | GetFactories()->push_back(this); |
| michael@0 | 49 | } |
| michael@0 | 50 | |
| michael@0 | 51 | static GrEffectRef* CreateStage(SkRandom* random, |
| michael@0 | 52 | GrContext* context, |
| michael@0 | 53 | const GrDrawTargetCaps& caps, |
| michael@0 | 54 | GrTexture* dummyTextures[]) { |
| michael@0 | 55 | uint32_t idx = random->nextRangeU(0, GetFactories()->count() - 1); |
| michael@0 | 56 | GrEffectTestFactory* factory = (*GetFactories())[idx]; |
| michael@0 | 57 | return factory->fCreateProc(random, context, caps, dummyTextures); |
| michael@0 | 58 | } |
| michael@0 | 59 | |
| michael@0 | 60 | private: |
| michael@0 | 61 | CreateProc fCreateProc; |
| michael@0 | 62 | static SkTArray<GrEffectTestFactory*, true>* GetFactories(); |
| michael@0 | 63 | }; |
| michael@0 | 64 | |
| michael@0 | 65 | /** GrEffect subclasses should insert this macro in their declaration to be included in the |
| michael@0 | 66 | * program generation unit test. |
| michael@0 | 67 | */ |
| michael@0 | 68 | #define GR_DECLARE_EFFECT_TEST \ |
| michael@0 | 69 | static GrEffectTestFactory gTestFactory; \ |
| michael@0 | 70 | static GrEffectRef* TestCreate(SkRandom*, \ |
| michael@0 | 71 | GrContext*, \ |
| michael@0 | 72 | const GrDrawTargetCaps&, \ |
| michael@0 | 73 | GrTexture* dummyTextures[2]) |
| michael@0 | 74 | |
| michael@0 | 75 | /** GrEffect subclasses should insert this macro in their implementation file. They must then |
| michael@0 | 76 | * also implement this static function: |
| michael@0 | 77 | * GrEffect* TestCreate(SkRandom*, |
| michael@0 | 78 | * GrContext*, |
| michael@0 | 79 | * const GrDrawTargetCaps&, |
| michael@0 | 80 | * GrTexture* dummyTextures[2]); |
| michael@0 | 81 | * dummyTextures[] are valid textures that can optionally be used to construct GrTextureAccesses. |
| michael@0 | 82 | * The first texture has config kSkia8888_GrPixelConfig and the second has |
| michael@0 | 83 | * kAlpha_8_GrPixelConfig. TestCreate functions are also free to create additional textures using |
| michael@0 | 84 | * the GrContext. |
| michael@0 | 85 | */ |
| michael@0 | 86 | #define GR_DEFINE_EFFECT_TEST(Effect) \ |
| michael@0 | 87 | GrEffectTestFactory Effect :: gTestFactory(Effect :: TestCreate) |
| michael@0 | 88 | |
| michael@0 | 89 | #else // !SK_ALLOW_STATIC_GLOBAL_INITIALIZERS |
| michael@0 | 90 | |
| michael@0 | 91 | // The unit test relies on static initializers. Just declare the TestCreate function so that |
| michael@0 | 92 | // its definitions will compile. |
| michael@0 | 93 | #define GR_DECLARE_EFFECT_TEST \ |
| michael@0 | 94 | static GrEffectRef* TestCreate(SkRandom*, \ |
| michael@0 | 95 | GrContext*, \ |
| michael@0 | 96 | const GrDrawTargetCaps&, \ |
| michael@0 | 97 | GrTexture* dummyTextures[2]) |
| michael@0 | 98 | #define GR_DEFINE_EFFECT_TEST(X) |
| michael@0 | 99 | |
| michael@0 | 100 | #endif // !SK_ALLOW_STATIC_GLOBAL_INITIALIZERS |
| michael@0 | 101 | #endif |
