1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
// This is a GPU-backend specific test. It relies on static intializers to work
#include "SkTypes.h"
#if SK_SUPPORT_GPU && SK_ALLOW_STATIC_GLOBAL_INITIALIZERS
#include "gl/GrGpuGL.h"
#include "GrBackendEffectFactory.h"
#include "effects/GrConfigConversionEffect.h"
#include "SkRandom.h"
#include "Test.h"
namespace {
// SkRandoms nextU() values have patterns in the low bits
// So using nextU() % array_count might never take some values.
int random_int(SkRandom* r, int count) {
return (int)(r->nextF() * count);
}
bool random_bool(SkRandom* r) {
return r->nextF() > .5f;
}
const GrEffect* create_random_effect(SkRandom* random,
GrContext* context,
GrTexture* dummyTextures[]) {
SkRandom sk_random;
sk_random.setSeed(random->nextU());
GrEffect* effect = GrEffectTestFactory::CreateStage(&sk_random, context, dummyTextures);
GrAssert(effect);
return effect;
}
}
bool GrGpuGL::programUnitTest() {
GrTextureDesc dummyDesc;
dummyDesc.fConfig = kSkia8888_PM_GrPixelConfig;
dummyDesc.fWidth = 34;
dummyDesc.fHeight = 18;
SkAutoTUnref<GrTexture> dummyTexture1(this->createTexture(dummyDesc, NULL, 0));
dummyDesc.fConfig = kAlpha_8_GrPixelConfig;
dummyDesc.fWidth = 16;
dummyDesc.fHeight = 22;
SkAutoTUnref<GrTexture> dummyTexture2(this->createTexture(dummyDesc, NULL, 0));
static const int NUM_TESTS = 512;
SkRandom random;
for (int t = 0; t < NUM_TESTS; ++t) {
#if 0
GrPrintf("\nTest Program %d\n-------------\n", t);
static const int stop = -1;
if (t == stop) {
int breakpointhere = 9;
}
#endif
ProgramDesc pdesc;
pdesc.fVertexLayout = 0;
pdesc.fEmitsPointSize = random.nextF() > .5f;
pdesc.fColorInput = random_int(&random, ProgramDesc::kColorInputCnt);
pdesc.fCoverageInput = random_int(&random, ProgramDesc::kColorInputCnt);
pdesc.fColorFilterXfermode = random_int(&random, SkXfermode::kCoeffModesCnt);
pdesc.fFirstCoverageStage = random_int(&random, GrDrawState::kNumStages);
pdesc.fVertexLayout |= random_bool(&random) ?
GrDrawTarget::kCoverage_VertexLayoutBit :
0;
#if GR_GL_EXPERIMENTAL_GS
pdesc.fExperimentalGS = this->getCaps().geometryShaderSupport() &&
random_bool(&random);
#endif
bool edgeAA = random_bool(&random);
if (edgeAA) {
pdesc.fVertexLayout |= GrDrawTarget::kEdge_VertexLayoutBit;
if (this->getCaps().shaderDerivativeSupport()) {
pdesc.fVertexEdgeType = (GrDrawState::VertexEdgeType) random_int(&random, GrDrawState::kVertexEdgeTypeCnt);
pdesc.fDiscardIfOutsideEdge = random.nextBool();
} else {
pdesc.fVertexEdgeType = GrDrawState::kHairLine_EdgeType;
pdesc.fDiscardIfOutsideEdge = false;
}
} else {
}
if (this->getCaps().dualSourceBlendingSupport()) {
pdesc.fDualSrcOutput = random_int(&random, ProgramDesc::kDualSrcOutputCnt);
} else {
pdesc.fDualSrcOutput = ProgramDesc::kNone_DualSrcOutput;
}
GrEffectStage stages[GrDrawState::kNumStages];
for (int s = 0; s < GrDrawState::kNumStages; ++s) {
// enable the stage?
if (random_bool(&random)) {
// use separate tex coords?
if (random_bool(&random)) {
int t = random_int(&random, GrDrawState::kMaxTexCoords);
pdesc.fVertexLayout |= StageTexCoordVertexLayoutBit(s, t);
}
// use text-formatted verts?
if (random_bool(&random)) {
pdesc.fVertexLayout |= kTextFormat_VertexLayoutBit;
}
GrTexture* dummyTextures[] = {dummyTexture1.get(), dummyTexture2.get()};
SkAutoTUnref<const GrEffect> effect(create_random_effect(&random,
getContext(),
dummyTextures));
stages[s].setEffect(effect.get());
if (NULL != stages[s].getEffect()) {
pdesc.fEffectKeys[s] =
stages[s].getEffect()->getFactory().glEffectKey(stages[s], this->glCaps());
}
}
}
const GrEffectStage* stagePtrs[GrDrawState::kNumStages];
for (int s = 0; s < GrDrawState::kNumStages; ++s) {
stagePtrs[s] = &stages[s];
}
SkAutoTUnref<GrGLProgram> program(GrGLProgram::Create(this->glContextInfo(),
pdesc,
stagePtrs));
if (NULL == program.get()) {
return false;
}
}
return true;
}
static void GLProgramsTest(skiatest::Reporter* reporter, GrContext* context) {
GrGpuGL* shadersGpu = static_cast<GrGpuGL*>(context->getGpu());
REPORTER_ASSERT(reporter, shadersGpu->programUnitTest());
}
#include "TestClassDef.h"
DEFINE_GPUTESTCLASS("GLPrograms", GLProgramsTestClass, GLProgramsTest)
// This is evil evil evil. The linker may throw away whole translation units as dead code if it
// thinks none of the functions are called. It will do this even if there are static initializers
// in the unit that could pass pointers to functions from the unit out to other translation units!
// We force some of the effects that would otherwise be discarded to link here.
#include "SkLightingImageFilter.h"
#include "SkMagnifierImageFilter.h"
#include "SkColorMatrixFilter.h"
void forceLinking();
void forceLinking() {
SkLightingImageFilter::CreateDistantLitDiffuse(SkPoint3(0,0,0), 0, 0, 0);
SkMagnifierImageFilter mag(SkRect::MakeWH(SK_Scalar1, SK_Scalar1), SK_Scalar1);
GrEffectStage dummyStage;
GrConfigConversionEffect::InstallEffect(NULL,
false,
GrConfigConversionEffect::kNone_PMConversion,
SkMatrix::I(),
&dummyStage);
SkScalar matrix[20];
SkColorMatrixFilter cmf(matrix);
}
#endif
|
