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gerrit-public.fairphone.software / platform / external / skia / 164a9f061c5186ae931cc23a3c73f32472e80ff5 / . / tests / VkClearTests.cpp
blob: 60e79815282ae952fe47d15dda3e0d1c04ef6e3f [file] [log] [blame]
Greg Daniel164a9f02016-02-22 09:56:40 -0500[diff] [blame^]1
2/*
3 * Copyright 2015 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9// This is a GPU-backend specific test. It relies on static intializers to work
10
11#include "SkTypes.h"
12
13#if SK_SUPPORT_GPU && SK_ALLOW_STATIC_GLOBAL_INITIALIZERS && defined(SK_VULKAN)
14
15#include "GrContextFactory.h"
16#include "GrTest.h"
17#include "Test.h"
18#include "vk/GrVkGpu.h"
19
20bool does_full_buffer_contain_correct_color(GrColor* buffer,
21 GrColor clearColor,
22 GrPixelConfig config,
23 int width,
24 int height) {
25 GrColor matchColor;
26 if (kRGBA_8888_GrPixelConfig == config) {
27 matchColor = clearColor;
28 } else if (kBGRA_8888_GrPixelConfig) {
29 // Hack to flip the R, B componets in the GrColor so that the comparrison will work below
30 matchColor = GrColorPackRGBA(GrColorUnpackB(clearColor),
31 GrColorUnpackG(clearColor),
32 GrColorUnpackR(clearColor),
33 GrColorUnpackA(clearColor));
34 } else {
35 // currently only supporting rgba_8888 and bgra_8888
36 return false;
37 }
38
39 for (int j = 0; j < height; ++j) {
40 for (int i = 0; i < width; ++i) {
41 if (buffer[j * width + i] != matchColor) {
42 return false;
43 }
44 }
45 }
46 return true;
47}
48
49void basic_clear_test(skiatest::Reporter* reporter, GrContext* context, GrPixelConfig config) {
50 GrVkGpu* gpu = static_cast<GrVkGpu*>(context->getGpu());
51 gpu->discard(NULL);
52 SkAutoTMalloc<GrColor> buffer(25);
53
54 GrSurfaceDesc surfDesc;
55 surfDesc.fFlags = kRenderTarget_GrSurfaceFlag;
56 surfDesc.fOrigin = kTopLeft_GrSurfaceOrigin;
57 surfDesc.fWidth = 5;
58 surfDesc.fHeight = 5;
59 surfDesc.fConfig = config;
60 surfDesc.fSampleCnt = 0;
61 GrTexture* tex = gpu->createTexture(surfDesc, false, nullptr, 0);
62 SkASSERT(tex);
63 SkASSERT(tex->asRenderTarget());
64 SkIRect rect = SkIRect::MakeWH(5, 5);
65
66 gpu->clear(rect, GrColor_TRANSPARENT_BLACK, tex->asRenderTarget());
67
68 gpu->readPixels(tex, 0, 0, 5, 5, config, (void*)buffer.get(), 0);
69
70 REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(buffer.get(),
71 GrColor_TRANSPARENT_BLACK,
72 config,
73 5,
74 5));
75
76 gpu->clear(rect, GrColor_WHITE, tex->asRenderTarget());
77
78 gpu->readPixels(tex, 0, 0, 5, 5, config, (void*)buffer.get(), 0);
79
80 REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(buffer.get(),
81 GrColor_WHITE,
82 config,
83 5,
84 5));
85
86 GrColor myColor = GrColorPackRGBA(0xFF, 0x7F, 0x40, 0x20);
87
88 gpu->clear(rect, myColor, tex->asRenderTarget());
89
90 gpu->readPixels(tex, 0, 0, 5, 5, config, (void*)buffer.get(), 0);
91
92 REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(buffer.get(),
93 myColor,
94 config,
95 5,
96 5));
97}
98
99void sub_clear_test(skiatest::Reporter* reporter, GrContext* context, GrPixelConfig config) {
100 const int width = 10;
101 const int height = 10;
102 const int subWidth = width/2;
103 const int subHeight = height/2;
104 GrVkGpu* gpu = static_cast<GrVkGpu*>(context->getGpu());
105 gpu->discard(NULL);
106 SkAutoTMalloc<GrColor> buffer(width * height);
107 SkAutoTMalloc<GrColor> subBuffer(subWidth * subHeight);
108
109 GrSurfaceDesc surfDesc;
110 surfDesc.fFlags = kRenderTarget_GrSurfaceFlag;
111 surfDesc.fOrigin = kTopLeft_GrSurfaceOrigin;
112 surfDesc.fWidth = width;
113 surfDesc.fHeight = height;
114 surfDesc.fConfig = config;
115 surfDesc.fSampleCnt = 0;
116 GrTexture* tex = gpu->createTexture(surfDesc, false, nullptr, 0);
117 SkASSERT(tex);
118 SkASSERT(tex->asRenderTarget());
119
120 SkIRect fullRect = SkIRect::MakeWH(10, 10);
121 gpu->clear(fullRect, GrColor_TRANSPARENT_BLACK, tex->asRenderTarget());
122
123 gpu->readPixels(tex, 0, 0, width, height, config, (void*)buffer.get(), 0);
124
125 REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(buffer.get(),
126 GrColor_TRANSPARENT_BLACK,
127 config,
128 width,
129 height));
130 SkIRect rect;
131 rect = SkIRect::MakeXYWH(0, 0, subWidth, subHeight);
132 gpu->clear(rect, GrColor_WHITE, tex->asRenderTarget());
133 rect = SkIRect::MakeXYWH(subWidth, 0, subWidth, subHeight);
134 gpu->clear(rect, GrColor_WHITE, tex->asRenderTarget());
135 rect = SkIRect::MakeXYWH(0, subHeight, subWidth, subHeight);
136 gpu->clear(rect, GrColor_WHITE, tex->asRenderTarget());
137
138 // Should fail since bottom right sub area has not been cleared to white
139 gpu->readPixels(tex, 0, 0, width, height, config, (void*)buffer.get(), 0);
140 REPORTER_ASSERT(reporter, !does_full_buffer_contain_correct_color(buffer.get(),
141 GrColor_WHITE,
142 config,
143 width,
144 height));
145
146 rect = SkIRect::MakeXYWH(subWidth, subHeight, subWidth, subHeight);
147 gpu->clear(rect, GrColor_WHITE, tex->asRenderTarget());
148
149 gpu->readPixels(tex, 0, 0, width, height, config, (void*)buffer.get(), 0);
150 REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(buffer.get(),
151 GrColor_WHITE,
152 config,
153 width,
154 height));
155
156 // Try different colors and that each sub area has correct color
157 GrColor subColor1 = GrColorPackRGBA(0xFF, 0x00, 0x00, 0xFF);
158 GrColor subColor2 = GrColorPackRGBA(0x00, 0xFF, 0x00, 0xFF);
159 GrColor subColor3 = GrColorPackRGBA(0x00, 0x00, 0xFF, 0xFF);
160 GrColor subColor4 = GrColorPackRGBA(0xFF, 0xFF, 0x00, 0xFF);
161
162 rect = SkIRect::MakeXYWH(0, 0, subWidth, subHeight);
163 gpu->clear(rect, subColor1, tex->asRenderTarget());
164 rect = SkIRect::MakeXYWH(subWidth, 0, subWidth, subHeight);
165 gpu->clear(rect, subColor2, tex->asRenderTarget());
166 rect = SkIRect::MakeXYWH(0, subHeight, subWidth, subHeight);
167 gpu->clear(rect, subColor3, tex->asRenderTarget());
168 rect = SkIRect::MakeXYWH(subWidth, subHeight, subWidth, subHeight);
169 gpu->clear(rect, subColor4, tex->asRenderTarget());
170
171 gpu->readPixels(tex, 0, 0, subWidth, subHeight, config, (void*)subBuffer.get(), 0);
172 REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(subBuffer.get(),
173 subColor1,
174 config,
175 subWidth,
176 subHeight));
177 gpu->readPixels(tex, subWidth, 0, subWidth, subHeight, config, (void*)subBuffer.get(), 0);
178 REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(subBuffer.get(),
179 subColor2,
180 config,
181 subWidth,
182 subHeight));
183 gpu->readPixels(tex, 0, subHeight, subWidth, subHeight, config, (void*)subBuffer.get(), 0);
184 REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(subBuffer.get(),
185 subColor3,
186 config,
187 subWidth,
188 subHeight));
189 gpu->readPixels(tex, subWidth, subHeight, subWidth, subHeight,
190 config, (void*)subBuffer.get(), 0);
191 REPORTER_ASSERT(reporter, does_full_buffer_contain_correct_color(subBuffer.get(),
192 subColor4,
193 config,
194 subWidth,
195 subHeight));
196}
197
198DEF_GPUTEST(VkClearTests, reporter, factory) {
199 GrContextOptions opts;
200 opts.fSuppressPrints = true;
201 GrContextFactory debugFactory(opts);
202 for (int type = 0; type < GrContextFactory::kLastGLContextType; ++type) {
203 if (static_cast<GrContextFactory::GLContextType>(type) !=
204 GrContextFactory::kNative_GLContextType) {
205 continue;
206 }
207 GrContext* context = debugFactory.get(static_cast<GrContextFactory::GLContextType>(type));
208 if (context) {
209 basic_clear_test(reporter, context, kRGBA_8888_GrPixelConfig);
210 basic_clear_test(reporter, context, kBGRA_8888_GrPixelConfig);
211 sub_clear_test(reporter, context, kRGBA_8888_GrPixelConfig);
212 sub_clear_test(reporter, context, kBGRA_8888_GrPixelConfig);
213 }
214
215 }
216}
217
218#endif