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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "SkBitmapDevice.h" | 8 #include "SkBitmapDevice.h" |
9 #include "SkCanvas.h" | 9 #include "SkCanvas.h" |
10 #include "SkConfig8888.h" | 10 #include "SkConfig8888.h" |
11 #include "Test.h" | 11 #include "Test.h" |
12 #include "sk_tool_utils.h" | 12 #include "sk_tool_utils.h" |
13 | 13 |
14 #if SK_SUPPORT_GPU | 14 #if SK_SUPPORT_GPU |
15 #include "GrContextFactory.h" | 15 #include "GrContext.h" |
16 #include "SkGpuDevice.h" | 16 #include "SkGpuDevice.h" |
17 #endif | 17 #endif |
18 | 18 |
19 static uint32_t pack_unpremul_rgba(SkColor c) { | 19 static uint32_t pack_unpremul_rgba(SkColor c) { |
20 uint32_t packed; | 20 uint32_t packed; |
21 uint8_t* byte = reinterpret_cast<uint8_t*>(&packed); | 21 uint8_t* byte = reinterpret_cast<uint8_t*>(&packed); |
22 byte[0] = SkColorGetR(c); | 22 byte[0] = SkColorGetR(c); |
23 byte[1] = SkColorGetG(c); | 23 byte[1] = SkColorGetG(c); |
24 byte[2] = SkColorGetB(c); | 24 byte[2] = SkColorGetB(c); |
25 byte[3] = SkColorGetA(c); | 25 byte[3] = SkColorGetA(c); |
(...skipping 30 matching lines...) Expand all Loading... |
56 for (int r = 0; r < 256; ++r) { | 56 for (int r = 0; r < 256; ++r) { |
57 pixels[r] = proc(SkColorSetARGB(a, r, 0, 0)); | 57 pixels[r] = proc(SkColorSetARGB(a, r, 0, 0)); |
58 } | 58 } |
59 } | 59 } |
60 | 60 |
61 const SkImageInfo info = SkImageInfo::Make(bmp.width(), bmp.height(), | 61 const SkImageInfo info = SkImageInfo::Make(bmp.width(), bmp.height(), |
62 colorType, kUnpremul_SkAlphaType)
; | 62 colorType, kUnpremul_SkAlphaType)
; |
63 canvas->writePixels(info, bmp.getPixels(), bmp.rowBytes(), 0, 0); | 63 canvas->writePixels(info, bmp.getPixels(), bmp.rowBytes(), 0, 0); |
64 } | 64 } |
65 | 65 |
66 DEF_GPUTEST(PremulAlphaRoundTrip, reporter, factory) { | 66 static void test_premul_alpha_roundtrip(skiatest::Reporter* reporter, SkBaseDevi
ce* device) { |
67 const SkImageInfo info = SkImageInfo::MakeN32Premul(256, 256); | 67 SkCanvas canvas(device); |
| 68 for (size_t upmaIdx = 0; upmaIdx < SK_ARRAY_COUNT(gUnpremul); ++upmaIdx) { |
| 69 fillCanvas(&canvas, gUnpremul[upmaIdx].fColorType, gUnpremul[upmaIdx].fP
ackProc); |
68 | 70 |
69 for (int dtype = 0; dtype < 2; ++dtype) { | 71 const SkImageInfo info = SkImageInfo::Make(256, 256, gUnpremul[upmaIdx].
fColorType, |
| 72 kUnpremul_SkAlphaType); |
| 73 SkBitmap readBmp1; |
| 74 readBmp1.allocPixels(info); |
| 75 SkBitmap readBmp2; |
| 76 readBmp2.allocPixels(info); |
70 | 77 |
71 int glCtxTypeCnt = 1; | 78 readBmp1.eraseColor(0); |
72 #if SK_SUPPORT_GPU | 79 readBmp2.eraseColor(0); |
73 if (0 != dtype) { | 80 |
74 glCtxTypeCnt = GrContextFactory::kGLContextTypeCnt; | 81 canvas.readPixels(&readBmp1, 0, 0); |
75 } | 82 sk_tool_utils::write_pixels(&canvas, readBmp1, 0, 0, gUnpremul[upmaIdx].
fColorType, |
76 #endif | 83 kUnpremul_SkAlphaType); |
77 SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType); | 84 canvas.readPixels(&readBmp2, 0, 0); |
78 for (int glCtxType = 0; glCtxType < glCtxTypeCnt; ++glCtxType) { | 85 |
79 SkAutoTUnref<SkBaseDevice> device; | 86 bool success = true; |
80 if (0 == dtype) { | 87 for (int y = 0; y < 256 && success; ++y) { |
81 device.reset(SkBitmapDevice::Create(info, props)); | 88 const uint32_t* pixels1 = readBmp1.getAddr32(0, y); |
82 } else { | 89 const uint32_t* pixels2 = readBmp2.getAddr32(0, y); |
83 #if SK_SUPPORT_GPU | 90 for (int x = 0; x < 256 && success; ++x) { |
84 GrContextFactory::GLContextType type = | 91 // We see sporadic failures here. May help to see where it goes
wrong. |
85 static_cast<GrContextFactory::GLContextType>(glCtxType); | 92 if (pixels1[x] != pixels2[x]) { |
86 if (!GrContextFactory::IsRenderingGLContext(type)) { | 93 SkDebugf("%x != %x, x = %d, y = %d\n", pixels1[x], pixels2[x
], x, y); |
87 continue; | |
88 } | 94 } |
89 GrContext* ctx = factory->get(type); | 95 REPORTER_ASSERT(reporter, success = pixels1[x] == pixels2[x]); |
90 if (nullptr == ctx) { | |
91 continue; | |
92 } | |
93 device.reset(SkGpuDevice::Create(ctx, SkSurface::kNo_Budgeted, i
nfo, 0, &props, | |
94 SkGpuDevice::kUninit_InitConten
ts)); | |
95 #else | |
96 continue; | |
97 #endif | |
98 } | |
99 SkCanvas canvas(device); | |
100 | |
101 for (size_t upmaIdx = 0; upmaIdx < SK_ARRAY_COUNT(gUnpremul); ++upma
Idx) { | |
102 fillCanvas(&canvas, gUnpremul[upmaIdx].fColorType, gUnpremul[upm
aIdx].fPackProc); | |
103 | |
104 const SkImageInfo info = SkImageInfo::Make(256, 256, gUnpremul[u
pmaIdx].fColorType, | |
105 kUnpremul_SkAlphaType
); | |
106 SkBitmap readBmp1; | |
107 readBmp1.allocPixels(info); | |
108 SkBitmap readBmp2; | |
109 readBmp2.allocPixels(info); | |
110 | |
111 readBmp1.eraseColor(0); | |
112 readBmp2.eraseColor(0); | |
113 | |
114 canvas.readPixels(&readBmp1, 0, 0); | |
115 sk_tool_utils::write_pixels(&canvas, readBmp1, 0, 0, gUnpremul[u
pmaIdx].fColorType, | |
116 kUnpremul_SkAlphaType); | |
117 canvas.readPixels(&readBmp2, 0, 0); | |
118 | |
119 bool success = true; | |
120 for (int y = 0; y < 256 && success; ++y) { | |
121 const uint32_t* pixels1 = readBmp1.getAddr32(0, y); | |
122 const uint32_t* pixels2 = readBmp2.getAddr32(0, y); | |
123 for (int x = 0; x < 256 && success; ++x) { | |
124 // We see sporadic failures here. May help to see where
it goes wrong. | |
125 if (pixels1[x] != pixels2[x]) { | |
126 SkDebugf("%x != %x, x = %d, y = %d\n", pixels1[x], p
ixels2[x], x, y); | |
127 } | |
128 REPORTER_ASSERT(reporter, success = pixels1[x] == pixels
2[x]); | |
129 } | |
130 } | |
131 } | 96 } |
132 } | 97 } |
133 } | 98 } |
134 } | 99 } |
| 100 |
| 101 DEF_TEST(PremulAlphaRoundTrip, reporter) { |
| 102 const SkImageInfo info = SkImageInfo::MakeN32Premul(256, 256); |
| 103 SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType); |
| 104 SkAutoTUnref<SkBaseDevice> device(SkBitmapDevice::Create(info, props)); |
| 105 test_premul_alpha_roundtrip(reporter, device); |
| 106 } |
| 107 #if SK_SUPPORT_GPU |
| 108 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(PremulAlphaRoundTrip_Gpu, reporter, context)
{ |
| 109 const SkImageInfo info = SkImageInfo::MakeN32Premul(256, 256); |
| 110 SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType); |
| 111 SkAutoTUnref<SkBaseDevice> device( |
| 112 SkGpuDevice::Create(context, SkSurface::kNo_Budgeted, info, 0, &props, |
| 113 SkGpuDevice::kUninit_InitContents)); |
| 114 test_premul_alpha_roundtrip(reporter, device); |
| 115 } |
| 116 #endif |
| 117 |
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