1/*
2 * Copyright 2012 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#include "GrEffect.h"
9#include "GrBackendEffectFactory.h"
10#include "GrContext.h"
11#include "GrCoordTransform.h"
12#include "GrMemoryPool.h"
13#include "SkTLS.h"
14
15#if SK_ALLOW_STATIC_GLOBAL_INITIALIZERS
16SkTArray<GrEffectTestFactory*, true>* GrEffectTestFactory::GetFactories() {
17    static SkTArray<GrEffectTestFactory*, true> gFactories;
18    return &gFactories;
19}
20#endif
21
22namespace GrEffectUnitTest {
23const SkMatrix& TestMatrix(SkRandom* random) {
24    static SkMatrix gMatrices[5];
25    static bool gOnce;
26    if (!gOnce) {
27        gMatrices[0].reset();
28        gMatrices[1].setTranslate(SkIntToScalar(-100), SkIntToScalar(100));
29        gMatrices[2].setRotate(SkIntToScalar(17));
30        gMatrices[3].setRotate(SkIntToScalar(185));
31        gMatrices[3].postTranslate(SkIntToScalar(66), SkIntToScalar(-33));
32        gMatrices[3].postScale(SkIntToScalar(2), SK_ScalarHalf);
33        gMatrices[4].setRotate(SkIntToScalar(215));
34        gMatrices[4].set(SkMatrix::kMPersp0, 0.00013f);
35        gMatrices[4].set(SkMatrix::kMPersp1, -0.000039f);
36        gOnce = true;
37    }
38    return gMatrices[random->nextULessThan(static_cast<uint32_t>(SK_ARRAY_COUNT(gMatrices)))];
39}
40}
41
42class GrEffect_Globals {
43public:
44    static GrMemoryPool* GetTLS() {
45        return (GrMemoryPool*)SkTLS::Get(CreateTLS, DeleteTLS);
46    }
47
48private:
49    static void* CreateTLS() {
50        return SkNEW_ARGS(GrMemoryPool, (4096, 4096));
51    }
52
53    static void DeleteTLS(void* pool) {
54        SkDELETE(reinterpret_cast<GrMemoryPool*>(pool));
55    }
56};
57
58int32_t GrBackendEffectFactory::fCurrEffectClassID = GrBackendEffectFactory::kIllegalEffectClassID;
59
60///////////////////////////////////////////////////////////////////////////////
61
62GrEffectRef::~GrEffectRef() {
63    SkASSERT(this->unique());
64    fEffect->EffectRefDestroyed();
65    fEffect->unref();
66}
67
68void* GrEffectRef::operator new(size_t size) {
69    return GrEffect_Globals::GetTLS()->allocate(size);
70}
71
72void GrEffectRef::operator delete(void* target) {
73    GrEffect_Globals::GetTLS()->release(target);
74}
75
76///////////////////////////////////////////////////////////////////////////////
77
78GrEffect::~GrEffect() {
79    SkASSERT(NULL == fEffectRef);
80}
81
82const char* GrEffect::name() const {
83    return this->getFactory().name();
84}
85
86void GrEffect::addCoordTransform(const GrCoordTransform* transform) {
87    fCoordTransforms.push_back(transform);
88    SkDEBUGCODE(transform->setInEffect();)
89}
90
91void GrEffect::addTextureAccess(const GrTextureAccess* access) {
92    fTextureAccesses.push_back(access);
93}
94
95void* GrEffect::operator new(size_t size) {
96    return GrEffect_Globals::GetTLS()->allocate(size);
97}
98
99void GrEffect::operator delete(void* target) {
100    GrEffect_Globals::GetTLS()->release(target);
101}
102
103#ifdef SK_DEBUG
104void GrEffect::assertEquality(const GrEffect& other) const {
105    SkASSERT(this->numTransforms() == other.numTransforms());
106    for (int i = 0; i < this->numTransforms(); ++i) {
107        SkASSERT(this->coordTransform(i) == other.coordTransform(i));
108    }
109    SkASSERT(this->numTextures() == other.numTextures());
110    for (int i = 0; i < this->numTextures(); ++i) {
111        SkASSERT(this->textureAccess(i) == other.textureAccess(i));
112    }
113}
114#endif
115