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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" | |
11 #include "SkPixelRef.h" | |
12 #include "GrResourceCache.h" | |
10 | 13 |
11 /* Fill out buffer with the compressed format Ganesh expects from a colortable | 14 /* Fill out buffer with the compressed format Ganesh expects from a colortable |
12 based bitmap. [palette (colortable) + indices]. | 15 based bitmap. [palette (colortable) + indices]. |
13 | 16 |
14 At the moment Ganesh only supports 8bit version. If Ganesh allowed we others | 17 At the moment Ganesh only supports 8bit version. If Ganesh allowed we others |
15 we could detect that the colortable.count is <= 16, and then repack the | 18 we could detect that the colortable.count is <= 16, and then repack the |
16 indices as nibbles to save RAM, but it would take more time (i.e. a lot | 19 indices as nibbles to save RAM, but it would take more time (i.e. a lot |
17 slower than memcpy), so skipping that for now. | 20 slower than memcpy), so skipping that for now. |
18 | 21 |
19 Ganesh wants a full 256 palette entry, even though Skia's ctable is only as big | 22 Ganesh wants a full 256 palette entry, even though Skia's ctable is only as big |
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79 } | 82 } |
80 | 83 |
81 static void generate_bitmap_texture_desc(const SkBitmap& bitmap, GrTextureDesc* desc) { | 84 static void generate_bitmap_texture_desc(const SkBitmap& bitmap, GrTextureDesc* desc) { |
82 desc->fFlags = kNone_GrTextureFlags; | 85 desc->fFlags = kNone_GrTextureFlags; |
83 desc->fWidth = bitmap.width(); | 86 desc->fWidth = bitmap.width(); |
84 desc->fHeight = bitmap.height(); | 87 desc->fHeight = bitmap.height(); |
85 desc->fConfig = SkBitmapConfig2GrPixelConfig(bitmap.config()); | 88 desc->fConfig = SkBitmapConfig2GrPixelConfig(bitmap.config()); |
86 desc->fSampleCnt = 0; | 89 desc->fSampleCnt = 0; |
87 } | 90 } |
88 | 91 |
92 namespace { | |
93 | |
94 // When the SkPixelRef is invalidated, invalidate a corresponding GrResource des cribed by key. | |
95 class GrResourceInvalidator : public SkPixelRef::InvalidationListener { | |
96 public: | |
97 explicit GrResourceInvalidator(GrResourceKey key) : fKey(key) {} | |
98 private: | |
99 GrResourceKey fKey; | |
100 | |
101 virtual void onInvalidate() SK_OVERRIDE { | |
102 const GrResourceInvalidatedMessage message = { fKey }; | |
103 SkMessageBus<GrResourceInvalidatedMessage>::Post(message); | |
104 } | |
105 }; | |
106 | |
107 } // namespace | |
108 | |
109 static void add_invalidation_listener(GrResourceKey key, SkPixelRef* pixelRef) { | |
110 SkASSERT(NULL != pixelRef); | |
111 if (pixelRef) { | |
scroggo
2013/10/23 15:39:19
Do you want this check even though we've just asse
mtklein
2013/10/23 16:07:10
Dropped the check.
| |
112 pixelRef->addInvalidationListener(SkNEW_ARGS(GrResourceInvalidator, (key ))); | |
113 } | |
114 } | |
115 | |
89 static GrTexture* sk_gr_create_bitmap_texture(GrContext* ctx, | 116 static GrTexture* sk_gr_create_bitmap_texture(GrContext* ctx, |
90 bool cache, | 117 bool cache, |
91 const GrTextureParams* params, | 118 const GrTextureParams* params, |
92 const SkBitmap& origBitmap) { | 119 const SkBitmap& origBitmap) { |
93 SkBitmap tmpBitmap; | 120 SkBitmap tmpBitmap; |
94 | 121 |
95 const SkBitmap* bitmap = &origBitmap; | 122 const SkBitmap* bitmap = &origBitmap; |
96 | 123 |
97 GrTextureDesc desc; | 124 GrTextureDesc desc; |
98 generate_bitmap_texture_desc(*bitmap, &desc); | 125 generate_bitmap_texture_desc(*bitmap, &desc); |
99 | 126 |
100 if (SkBitmap::kIndex8_Config == bitmap->config()) { | 127 if (SkBitmap::kIndex8_Config == bitmap->config()) { |
101 // build_compressed_data doesn't do npot->pot expansion | 128 // build_compressed_data doesn't do npot->pot expansion |
102 // and paletted textures can't be sub-updated | 129 // and paletted textures can't be sub-updated |
103 if (ctx->supportsIndex8PixelConfig(params, bitmap->width(), bitmap->heig ht())) { | 130 if (ctx->supportsIndex8PixelConfig(params, bitmap->width(), bitmap->heig ht())) { |
104 size_t imagesize = bitmap->width() * bitmap->height() + kGrColorTabl eSize; | 131 size_t imagesize = bitmap->width() * bitmap->height() + kGrColorTabl eSize; |
105 SkAutoMalloc storage(imagesize); | 132 SkAutoMalloc storage(imagesize); |
106 | 133 |
107 build_compressed_data(storage.get(), origBitmap); | 134 build_compressed_data(storage.get(), origBitmap); |
108 | 135 |
109 // our compressed data will be trimmed, so pass width() for its | 136 // our compressed data will be trimmed, so pass width() for its |
110 // "rowBytes", since they are the same now. | 137 // "rowBytes", since they are the same now. |
111 | 138 |
112 if (cache) { | 139 if (cache) { |
113 GrCacheID cacheID; | 140 GrCacheID cacheID; |
114 generate_bitmap_cache_id(origBitmap, &cacheID); | 141 generate_bitmap_cache_id(origBitmap, &cacheID); |
115 return ctx->createTexture(params, desc, cacheID, storage.get(), bitmap->width()); | 142 |
143 GrResourceKey key; | |
144 GrTexture* result = ctx->createTexture(params, desc, cacheID, | |
145 storage.get(), bitmap->wi dth(), &key); | |
146 add_invalidation_listener(key, origBitmap.pixelRef()); | |
147 return result; | |
116 } else { | 148 } else { |
117 GrTexture* result = ctx->lockAndRefScratchTexture(desc, | 149 GrTexture* result = ctx->lockAndRefScratchTexture(desc, |
118 GrContext::kExact_Sc ratchTexMatch); | 150 GrContext::kExact_Sc ratchTexMatch); |
119 result->writePixels(0, 0, bitmap->width(), | 151 result->writePixels(0, 0, bitmap->width(), |
120 bitmap->height(), desc.fConfig, | 152 bitmap->height(), desc.fConfig, |
121 storage.get()); | 153 storage.get()); |
122 return result; | 154 return result; |
123 } | 155 } |
124 } else { | 156 } else { |
125 origBitmap.copyTo(&tmpBitmap, SkBitmap::kARGB_8888_Config); | 157 origBitmap.copyTo(&tmpBitmap, SkBitmap::kARGB_8888_Config); |
126 // now bitmap points to our temp, which has been promoted to 32bits | 158 // now bitmap points to our temp, which has been promoted to 32bits |
127 bitmap = &tmpBitmap; | 159 bitmap = &tmpBitmap; |
128 desc.fConfig = SkBitmapConfig2GrPixelConfig(bitmap->config()); | 160 desc.fConfig = SkBitmapConfig2GrPixelConfig(bitmap->config()); |
129 } | 161 } |
130 } | 162 } |
131 | 163 |
132 SkAutoLockPixels alp(*bitmap); | 164 SkAutoLockPixels alp(*bitmap); |
133 if (!bitmap->readyToDraw()) { | 165 if (!bitmap->readyToDraw()) { |
134 return NULL; | 166 return NULL; |
135 } | 167 } |
136 if (cache) { | 168 if (cache) { |
137 // This texture is likely to be used again so leave it in the cache | 169 // This texture is likely to be used again so leave it in the cache |
138 GrCacheID cacheID; | 170 GrCacheID cacheID; |
139 generate_bitmap_cache_id(origBitmap, &cacheID); | 171 generate_bitmap_cache_id(origBitmap, &cacheID); |
140 return ctx->createTexture(params, desc, cacheID, bitmap->getPixels(), bi tmap->rowBytes()); | 172 |
141 } else { | 173 GrResourceKey key; |
174 GrTexture* result = ctx->createTexture(params, desc, cacheID, | |
175 bitmap->getPixels(), bitmap->rowB ytes(), &key); | |
176 add_invalidation_listener(key, origBitmap.pixelRef()); | |
177 return result; | |
178 } else { | |
142 // This texture is unlikely to be used again (in its present form) so | 179 // This texture is unlikely to be used again (in its present form) so |
143 // just use a scratch texture. This will remove the texture from the | 180 // just use a scratch texture. This will remove the texture from the |
144 // cache so no one else can find it. Additionally, once unlocked, the | 181 // cache so no one else can find it. Additionally, once unlocked, the |
145 // scratch texture will go to the end of the list for purging so will | 182 // scratch texture will go to the end of the list for purging so will |
146 // likely be available for this volatile bitmap the next time around. | 183 // likely be available for this volatile bitmap the next time around. |
147 GrTexture* result = ctx->lockAndRefScratchTexture(desc, GrContext::kExac t_ScratchTexMatch); | 184 GrTexture* result = ctx->lockAndRefScratchTexture(desc, GrContext::kExac t_ScratchTexMatch); |
148 result->writePixels(0, 0, | 185 result->writePixels(0, 0, |
149 bitmap->width(), bitmap->height(), | 186 bitmap->width(), bitmap->height(), |
150 desc.fConfig, | 187 desc.fConfig, |
151 bitmap->getPixels(), | 188 bitmap->getPixels(), |
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212 return kRGB_565_GrPixelConfig; | 249 return kRGB_565_GrPixelConfig; |
213 case SkBitmap::kARGB_4444_Config: | 250 case SkBitmap::kARGB_4444_Config: |
214 return kRGBA_4444_GrPixelConfig; | 251 return kRGBA_4444_GrPixelConfig; |
215 case SkBitmap::kARGB_8888_Config: | 252 case SkBitmap::kARGB_8888_Config: |
216 return kSkia8888_GrPixelConfig; | 253 return kSkia8888_GrPixelConfig; |
217 default: | 254 default: |
218 // kNo_Config, kA1_Config missing | 255 // kNo_Config, kA1_Config missing |
219 return kUnknown_GrPixelConfig; | 256 return kUnknown_GrPixelConfig; |
220 } | 257 } |
221 } | 258 } |
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