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
|
/*
* Copyright 2015 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 && defined(SK_VULKAN)
#include "GrContextFactory.h"
#include "GrContextPriv.h"
#include "GrTest.h"
#include "Test.h"
#include "vk/GrVkGpu.h"
using sk_gpu_test::GrContextFactory;
void fill_pixel_data(int width, int height, GrColor* data) {
// build red-green gradient
for (int j = 0; j < height; ++j) {
for (int i = 0; i < width; ++i) {
unsigned int red = (unsigned int)(256.f*(i / (float)width));
unsigned int green = (unsigned int)(256.f*(j / (float)height));
data[i + j*width] = GrColorPackRGBA(red - (red>>8), green - (green>>8), 0xff, 0xff);
}
}
}
bool does_full_buffer_contain_correct_color(GrColor* srcBuffer,
GrColor* dstBuffer,
GrPixelConfig config,
int width,
int height) {
GrColor* srcPtr = srcBuffer;
GrColor* dstPtr = dstBuffer;
for (int j = 0; j < height; ++j) {
for (int i = 0; i < width; ++i) {
if (srcPtr[i] != dstPtr[i]) {
return false;
}
}
srcPtr += width;
dstPtr += width;
}
return true;
}
void basic_texture_test(skiatest::Reporter* reporter, GrContext* context, GrPixelConfig config,
bool renderTarget, bool linearTiling) {
GrVkGpu* gpu = static_cast<GrVkGpu*>(context->getGpu());
const int kWidth = 16;
const int kHeight = 16;
SkAutoTMalloc<GrColor> srcBuffer(kWidth*kHeight);
SkAutoTMalloc<GrColor> dstBuffer(kWidth*kHeight);
fill_pixel_data(kWidth, kHeight, srcBuffer.get());
const GrVkCaps* caps = reinterpret_cast<const GrVkCaps*>(context->caps());
bool canCreate = true;
// the expectation is that the given config is texturable/renderable with optimal tiling
// but may not be with linear tiling
if (linearTiling) {
if (!caps->isConfigTexturableLinearly(config) ||
(renderTarget && !caps->isConfigRenderableLinearly(config, false))) {
canCreate = false;
}
}
GrSurfaceDesc surfDesc;
surfDesc.fFlags = renderTarget ? kRenderTarget_GrSurfaceFlag : kNone_GrSurfaceFlags;
if (linearTiling) {
surfDesc.fFlags |= kZeroCopy_GrSurfaceFlag;
}
surfDesc.fOrigin = kTopLeft_GrSurfaceOrigin;
surfDesc.fWidth = kWidth;
surfDesc.fHeight = kHeight;
surfDesc.fConfig = config;
surfDesc.fSampleCnt = 0;
sk_sp<GrTexture> tex0(gpu->createTexture(surfDesc, SkBudgeted::kNo, srcBuffer, 0));
if (tex0) {
REPORTER_ASSERT(reporter, canCreate);
gpu->readPixels(tex0.get(), 0, 0, kWidth, kHeight, config, dstBuffer, 0);
REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(srcBuffer,
dstBuffer,
config,
kWidth,
kHeight));
sk_sp<GrTextureProxy> proxy = GrSurfaceProxy::MakeWrapped(tex0);
bool success = context->contextPriv().writeSurfacePixels(proxy.get(), nullptr,
2, 10, 10, 2,
config, nullptr, srcBuffer, 0);
REPORTER_ASSERT(reporter, success);
memset(dstBuffer, 0, kWidth*kHeight*sizeof(GrColor));
gpu->readPixels(tex0.get(), 2, 10, 10, 2, config, dstBuffer, 0);
REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(srcBuffer,
dstBuffer,
config,
10,
2));
} else {
REPORTER_ASSERT(reporter, !canCreate);
}
surfDesc.fOrigin = kBottomLeft_GrSurfaceOrigin;
sk_sp<GrTexture> tex1(gpu->createTexture(surfDesc, SkBudgeted::kNo, srcBuffer, 0));
if (tex1) {
REPORTER_ASSERT(reporter, canCreate);
gpu->readPixels(tex1.get(), 0, 0, kWidth, kHeight, config, dstBuffer, 0);
REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(srcBuffer,
dstBuffer,
config,
kWidth,
kHeight));
sk_sp<GrTextureProxy> proxy = GrSurfaceProxy::MakeWrapped(tex1);
bool success = context->contextPriv().writeSurfacePixels(proxy.get(), nullptr,
5, 4, 4, 5, config, nullptr,
srcBuffer, 0);
REPORTER_ASSERT(reporter, success);
memset(dstBuffer, 0, kWidth*kHeight*sizeof(GrColor));
gpu->readPixels(tex1.get(), 5, 4, 4, 5, config, dstBuffer, 0);
REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(srcBuffer,
dstBuffer,
config,
4,
5));
} else {
REPORTER_ASSERT(reporter, !canCreate);
}
}
DEF_GPUTEST_FOR_VULKAN_CONTEXT(VkUploadPixelsTests, reporter, ctxInfo) {
basic_texture_test(reporter, ctxInfo.grContext(), kRGBA_8888_GrPixelConfig, false, false);
basic_texture_test(reporter, ctxInfo.grContext(), kRGBA_8888_GrPixelConfig, true, false);
basic_texture_test(reporter, ctxInfo.grContext(), kRGBA_8888_GrPixelConfig, false, true);
basic_texture_test(reporter, ctxInfo.grContext(), kRGBA_8888_GrPixelConfig, true, true);
basic_texture_test(reporter, ctxInfo.grContext(), kBGRA_8888_GrPixelConfig, false, false);
basic_texture_test(reporter, ctxInfo.grContext(), kBGRA_8888_GrPixelConfig, true, false);
basic_texture_test(reporter, ctxInfo.grContext(), kBGRA_8888_GrPixelConfig, false, true);
basic_texture_test(reporter, ctxInfo.grContext(), kBGRA_8888_GrPixelConfig, true, true);
}
#endif
|
