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
|
/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkCanvas.h"
#include "SkImage.h"
#include "SkShader.h"
#include "SkSurface.h"
#include "SkTypes.h"
#include "Test.h"
#if SK_SUPPORT_GPU
#include "GrContext.h"
#endif
static void test_bitmap_equality(skiatest::Reporter* reporter, SkBitmap& bm1, SkBitmap& bm2) {
REPORTER_ASSERT(reporter, bm1.getSize() == bm2.getSize());
REPORTER_ASSERT(reporter, 0 == memcmp(bm1.getPixels(), bm2.getPixels(), bm1.getSize()));
}
static void paint_source(SkSurface* sourceSurface) {
SkCanvas* sourceCanvas = sourceSurface->getCanvas();
sourceCanvas->clear(0xFFDEDEDE);
SkPaint paintColor;
paintColor.setColor(0xFFFF0000);
paintColor.setStyle(SkPaint::kFill_Style);
SkRect rect = SkRect::MakeXYWH(
SkIntToScalar(1),
SkIntToScalar(0),
SkIntToScalar(1),
SkIntToScalar(sourceSurface->height()));
sourceCanvas->drawRect(rect, paintColor);
}
static void run_shader_test(skiatest::Reporter* reporter, SkSurface* sourceSurface,
SkSurface* destinationSurface, SkImageInfo& info) {
paint_source(sourceSurface);
sk_sp<SkImage> sourceImage(sourceSurface->makeImageSnapshot());
sk_sp<SkShader> sourceShader = sourceImage->makeShader(
SkShader::kRepeat_TileMode,
SkShader::kRepeat_TileMode);
SkPaint paint;
paint.setShader(sourceShader);
SkCanvas* destinationCanvas = destinationSurface->getCanvas();
destinationCanvas->clear(SK_ColorTRANSPARENT);
destinationCanvas->drawPaint(paint);
SkBitmap bmOrig;
bmOrig.allocN32Pixels(info.width(), info.height());
sourceSurface->readPixels(bmOrig, 0, 0);
SkBitmap bm;
bm.allocN32Pixels(info.width(), info.height());
destinationSurface->readPixels(bm, 0, 0);
test_bitmap_equality(reporter, bmOrig, bm);
// Test with a translated shader
SkMatrix matrix;
matrix.setTranslate(SkIntToScalar(-1), SkIntToScalar(0));
sk_sp<SkShader> sourceShaderTranslated = sourceImage->makeShader(
SkShader::kRepeat_TileMode,
SkShader::kRepeat_TileMode,
&matrix);
destinationCanvas->clear(SK_ColorTRANSPARENT);
SkPaint paintTranslated;
paintTranslated.setShader(sourceShaderTranslated);
destinationCanvas->drawPaint(paintTranslated);
SkBitmap bmt;
bmt.allocN32Pixels(info.width(), info.height());
destinationSurface->readPixels(bmt, 0, 0);
// Test correctness
{
for (int y = 0; y < info.height(); y++) {
REPORTER_ASSERT(reporter, 0xFFFF0000 == bmt.getColor(0, y));
for (int x = 1; x < info.width(); x++) {
REPORTER_ASSERT(reporter, 0xFFDEDEDE == bmt.getColor(x, y));
}
}
}
}
DEF_TEST(ImageNewShader, reporter) {
SkImageInfo info = SkImageInfo::MakeN32Premul(5, 5);
auto sourceSurface(SkSurface::MakeRaster(info));
auto destinationSurface(SkSurface::MakeRaster(info));
run_shader_test(reporter, sourceSurface.get(), destinationSurface.get(), info);
}
#if SK_SUPPORT_GPU
static void gpu_to_gpu(skiatest::Reporter* reporter, GrContext* context) {
SkImageInfo info = SkImageInfo::MakeN32Premul(5, 5);
auto sourceSurface(SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, info));
auto destinationSurface(SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, info));
run_shader_test(reporter, sourceSurface.get(), destinationSurface.get(), info);
}
static void gpu_to_raster(skiatest::Reporter* reporter, GrContext* context) {
SkImageInfo info = SkImageInfo::MakeN32Premul(5, 5);
auto sourceSurface(SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, info));
auto destinationSurface(SkSurface::MakeRaster(info));
run_shader_test(reporter, sourceSurface.get(), destinationSurface.get(), info);
}
static void raster_to_gpu(skiatest::Reporter* reporter, GrContext* context) {
SkImageInfo info = SkImageInfo::MakeN32Premul(5, 5);
auto sourceSurface(SkSurface::MakeRaster(info));
auto destinationSurface(SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, info));
run_shader_test(reporter, sourceSurface.get(), destinationSurface.get(), info);
}
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageNewShader_GPU, reporter, ctxInfo) {
// GPU -> GPU
gpu_to_gpu(reporter, ctxInfo.grContext());
// GPU -> RASTER
gpu_to_raster(reporter, ctxInfo.grContext());
// RASTER -> GPU
raster_to_gpu(reporter, ctxInfo.grContext());
}
#endif
|
