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1 /* | 1 /* |
2 * Copyright 2010 Google Inc. | 2 * Copyright 2010 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 "SkGr.h" | 8 #include "SkGr.h" |
9 #include "SkConfig8888.h" | 9 #include "SkConfig8888.h" |
10 #include "SkMessageBus.h" | 10 #include "SkMessageBus.h" |
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58 } | 58 } |
59 } | 59 } |
60 } | 60 } |
61 | 61 |
62 //////////////////////////////////////////////////////////////////////////////// | 62 //////////////////////////////////////////////////////////////////////////////// |
63 | 63 |
64 static void generate_bitmap_cache_id(const SkBitmap& bitmap, GrCacheID* id) { | 64 static void generate_bitmap_cache_id(const SkBitmap& bitmap, GrCacheID* id) { |
65 // Our id includes the offset, width, and height so that bitmaps created by
extractSubset() | 65 // Our id includes the offset, width, and height so that bitmaps created by
extractSubset() |
66 // are unique. | 66 // are unique. |
67 uint32_t genID = bitmap.getGenerationID(); | 67 uint32_t genID = bitmap.getGenerationID(); |
68 size_t offset = bitmap.pixelRefOffset(); | 68 SkIPoint origin = bitmap.pixelRefOrigin(); |
69 int16_t width = static_cast<int16_t>(bitmap.width()); | 69 int16_t width = SkToS16(bitmap.width()); |
70 int16_t height = static_cast<int16_t>(bitmap.height()); | 70 int16_t height = SkToS16(bitmap.height()); |
71 | 71 |
72 GrCacheID::Key key; | 72 GrCacheID::Key key; |
73 memcpy(key.fData8, &genID, 4); | 73 memcpy(key.fData8 + 0, &genID, 4); |
74 memcpy(key.fData8 + 4, &width, 2); | 74 memcpy(key.fData8 + 4, &origin.fX, 4); |
75 memcpy(key.fData8 + 6, &height, 2); | 75 memcpy(key.fData8 + 8, &origin.fY, 4); |
76 memcpy(key.fData8 + 8, &offset, sizeof(size_t)); | 76 memcpy(key.fData8 + 12, &width, 2); |
77 static const size_t kKeyDataSize = 8 + sizeof(size_t); | 77 memcpy(key.fData8 + 14, &height, 2); |
| 78 static const size_t kKeyDataSize = 16; |
78 memset(key.fData8 + kKeyDataSize, 0, sizeof(key) - kKeyDataSize); | 79 memset(key.fData8 + kKeyDataSize, 0, sizeof(key) - kKeyDataSize); |
79 GR_STATIC_ASSERT(sizeof(key) >= 8 + sizeof(size_t)); | 80 GR_STATIC_ASSERT(sizeof(key) >= kKeyDataSize); |
80 static const GrCacheID::Domain gBitmapTextureDomain = GrCacheID::GenerateDom
ain(); | 81 static const GrCacheID::Domain gBitmapTextureDomain = GrCacheID::GenerateDom
ain(); |
81 id->reset(gBitmapTextureDomain, key); | 82 id->reset(gBitmapTextureDomain, key); |
82 } | 83 } |
83 | 84 |
84 static void generate_bitmap_texture_desc(const SkBitmap& bitmap, GrTextureDesc*
desc) { | 85 static void generate_bitmap_texture_desc(const SkBitmap& bitmap, GrTextureDesc*
desc) { |
85 desc->fFlags = kNone_GrTextureFlags; | 86 desc->fFlags = kNone_GrTextureFlags; |
86 desc->fWidth = bitmap.width(); | 87 desc->fWidth = bitmap.width(); |
87 desc->fHeight = bitmap.height(); | 88 desc->fHeight = bitmap.height(); |
88 desc->fConfig = SkBitmapConfig2GrPixelConfig(bitmap.config()); | 89 desc->fConfig = SkBitmapConfig2GrPixelConfig(bitmap.config()); |
89 desc->fSampleCnt = 0; | 90 desc->fSampleCnt = 0; |
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281 ct = kBGRA_8888_SkColorType; | 282 ct = kBGRA_8888_SkColorType; |
282 break; | 283 break; |
283 default: | 284 default: |
284 return false; | 285 return false; |
285 } | 286 } |
286 if (ctOut) { | 287 if (ctOut) { |
287 *ctOut = ct; | 288 *ctOut = ct; |
288 } | 289 } |
289 return true; | 290 return true; |
290 } | 291 } |
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