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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 "SkColorFilter.h" | 9 #include "SkColorFilter.h" |
10 #include "SkConfig8888.h" | 10 #include "SkConfig8888.h" |
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98 memcpy(key.fData8 + 8, &origin.fY, 4); | 98 memcpy(key.fData8 + 8, &origin.fY, 4); |
99 memcpy(key.fData8 + 12, &width, 2); | 99 memcpy(key.fData8 + 12, &width, 2); |
100 memcpy(key.fData8 + 14, &height, 2); | 100 memcpy(key.fData8 + 14, &height, 2); |
101 static const size_t kKeyDataSize = 16; | 101 static const size_t kKeyDataSize = 16; |
102 memset(key.fData8 + kKeyDataSize, 0, sizeof(key) - kKeyDataSize); | 102 memset(key.fData8 + kKeyDataSize, 0, sizeof(key) - kKeyDataSize); |
103 GR_STATIC_ASSERT(sizeof(key) >= kKeyDataSize); | 103 GR_STATIC_ASSERT(sizeof(key) >= kKeyDataSize); |
104 static const GrCacheID::Domain gBitmapTextureDomain = GrCacheID::GenerateDom
ain(); | 104 static const GrCacheID::Domain gBitmapTextureDomain = GrCacheID::GenerateDom
ain(); |
105 id->reset(gBitmapTextureDomain, key); | 105 id->reset(gBitmapTextureDomain, key); |
106 } | 106 } |
107 | 107 |
108 static void generate_bitmap_texture_desc(const SkBitmap& bitmap, GrTextureDesc*
desc) { | 108 static void generate_bitmap_texture_desc(const SkBitmap& bitmap, GrSurfaceDesc*
desc) { |
109 desc->fFlags = kNone_GrTextureFlags; | 109 desc->fFlags = kNone_GrSurfaceFlags; |
110 desc->fWidth = bitmap.width(); | 110 desc->fWidth = bitmap.width(); |
111 desc->fHeight = bitmap.height(); | 111 desc->fHeight = bitmap.height(); |
112 desc->fConfig = SkImageInfo2GrPixelConfig(bitmap.info()); | 112 desc->fConfig = SkImageInfo2GrPixelConfig(bitmap.info()); |
113 desc->fSampleCnt = 0; | 113 desc->fSampleCnt = 0; |
114 } | 114 } |
115 | 115 |
116 namespace { | 116 namespace { |
117 | 117 |
118 // When the SkPixelRef genID changes, invalidate a corresponding GrResource desc
ribed by key. | 118 // When the SkPixelRef genID changes, invalidate a corresponding GrResource desc
ribed by key. |
119 class GrResourceInvalidator : public SkPixelRef::GenIDChangeListener { | 119 class GrResourceInvalidator : public SkPixelRef::GenIDChangeListener { |
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132 | 132 |
133 static void add_genID_listener(GrResourceKey key, SkPixelRef* pixelRef) { | 133 static void add_genID_listener(GrResourceKey key, SkPixelRef* pixelRef) { |
134 SkASSERT(pixelRef); | 134 SkASSERT(pixelRef); |
135 pixelRef->addGenIDChangeListener(SkNEW_ARGS(GrResourceInvalidator, (key))); | 135 pixelRef->addGenIDChangeListener(SkNEW_ARGS(GrResourceInvalidator, (key))); |
136 } | 136 } |
137 | 137 |
138 static GrTexture* sk_gr_allocate_texture(GrContext* ctx, | 138 static GrTexture* sk_gr_allocate_texture(GrContext* ctx, |
139 bool cache, | 139 bool cache, |
140 const GrTextureParams* params, | 140 const GrTextureParams* params, |
141 const SkBitmap& bm, | 141 const SkBitmap& bm, |
142 GrTextureDesc desc, | 142 GrSurfaceDesc desc, |
143 const void* pixels, | 143 const void* pixels, |
144 size_t rowBytes) { | 144 size_t rowBytes) { |
145 GrTexture* result; | 145 GrTexture* result; |
146 if (cache) { | 146 if (cache) { |
147 // This texture is likely to be used again so leave it in the cache | 147 // This texture is likely to be used again so leave it in the cache |
148 GrCacheID cacheID; | 148 GrCacheID cacheID; |
149 generate_bitmap_cache_id(bm, &cacheID); | 149 generate_bitmap_cache_id(bm, &cacheID); |
150 | 150 |
151 GrResourceKey key; | 151 GrResourceKey key; |
152 result = ctx->createTexture(params, desc, cacheID, pixels, rowBytes, &ke
y); | 152 result = ctx->createTexture(params, desc, cacheID, pixels, rowBytes, &ke
y); |
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163 if (pixels) { | 163 if (pixels) { |
164 result->writePixels(0, 0, bm.width(), bm.height(), desc.fConfig, pix
els, rowBytes); | 164 result->writePixels(0, 0, bm.width(), bm.height(), desc.fConfig, pix
els, rowBytes); |
165 } | 165 } |
166 } | 166 } |
167 return result; | 167 return result; |
168 } | 168 } |
169 | 169 |
170 #ifndef SK_IGNORE_ETC1_SUPPORT | 170 #ifndef SK_IGNORE_ETC1_SUPPORT |
171 static GrTexture *load_etc1_texture(GrContext* ctx, bool cache, | 171 static GrTexture *load_etc1_texture(GrContext* ctx, bool cache, |
172 const GrTextureParams* params, | 172 const GrTextureParams* params, |
173 const SkBitmap &bm, GrTextureDesc desc) { | 173 const SkBitmap &bm, GrSurfaceDesc desc) { |
174 SkAutoTUnref<SkData> data(bm.pixelRef()->refEncodedData()); | 174 SkAutoTUnref<SkData> data(bm.pixelRef()->refEncodedData()); |
175 | 175 |
176 // Is this even encoded data? | 176 // Is this even encoded data? |
177 if (NULL == data) { | 177 if (NULL == data) { |
178 return NULL; | 178 return NULL; |
179 } | 179 } |
180 | 180 |
181 // Is this a valid PKM encoded data? | 181 // Is this a valid PKM encoded data? |
182 const uint8_t *bytes = data->bytes(); | 182 const uint8_t *bytes = data->bytes(); |
183 if (etc1_pkm_is_valid(bytes)) { | 183 if (etc1_pkm_is_valid(bytes)) { |
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212 desc.fConfig = kETC1_GrPixelConfig; | 212 desc.fConfig = kETC1_GrPixelConfig; |
213 } else { | 213 } else { |
214 return NULL; | 214 return NULL; |
215 } | 215 } |
216 | 216 |
217 return sk_gr_allocate_texture(ctx, cache, params, bm, desc, bytes, 0); | 217 return sk_gr_allocate_texture(ctx, cache, params, bm, desc, bytes, 0); |
218 } | 218 } |
219 #endif // SK_IGNORE_ETC1_SUPPORT | 219 #endif // SK_IGNORE_ETC1_SUPPORT |
220 | 220 |
221 static GrTexture *load_yuv_texture(GrContext* ctx, bool cache, const GrTexturePa
rams* params, | 221 static GrTexture *load_yuv_texture(GrContext* ctx, bool cache, const GrTexturePa
rams* params, |
222 const SkBitmap& bm, const GrTextureDesc& desc
) { | 222 const SkBitmap& bm, const GrSurfaceDesc& desc
) { |
223 // Subsets are not supported, the whole pixelRef is loaded when using YUV de
coding | 223 // Subsets are not supported, the whole pixelRef is loaded when using YUV de
coding |
224 if ((bm.pixelRef()->info().width() != bm.info().width()) || | 224 if ((bm.pixelRef()->info().width() != bm.info().width()) || |
225 (bm.pixelRef()->info().height() != bm.info().height())) { | 225 (bm.pixelRef()->info().height() != bm.info().height())) { |
226 return NULL; | 226 return NULL; |
227 } | 227 } |
228 | 228 |
229 SkPixelRef* pixelRef = bm.pixelRef(); | 229 SkPixelRef* pixelRef = bm.pixelRef(); |
230 SkISize yuvSizes[3]; | 230 SkISize yuvSizes[3]; |
231 if ((NULL == pixelRef) || !pixelRef->getYUV8Planes(yuvSizes, NULL, NULL, NUL
L)) { | 231 if ((NULL == pixelRef) || !pixelRef->getYUV8Planes(yuvSizes, NULL, NULL, NUL
L)) { |
232 return NULL; | 232 return NULL; |
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245 planes[1] = (uint8_t*)planes[0] + sizes[0]; | 245 planes[1] = (uint8_t*)planes[0] + sizes[0]; |
246 planes[2] = (uint8_t*)planes[1] + sizes[1]; | 246 planes[2] = (uint8_t*)planes[1] + sizes[1]; |
247 | 247 |
248 SkYUVColorSpace colorSpace; | 248 SkYUVColorSpace colorSpace; |
249 | 249 |
250 // Get the YUV planes | 250 // Get the YUV planes |
251 if (!pixelRef->getYUV8Planes(yuvSizes, planes, rowBytes, &colorSpace)) { | 251 if (!pixelRef->getYUV8Planes(yuvSizes, planes, rowBytes, &colorSpace)) { |
252 return NULL; | 252 return NULL; |
253 } | 253 } |
254 | 254 |
255 GrTextureDesc yuvDesc; | 255 GrSurfaceDesc yuvDesc; |
256 yuvDesc.fConfig = kAlpha_8_GrPixelConfig; | 256 yuvDesc.fConfig = kAlpha_8_GrPixelConfig; |
257 SkAutoTUnref<GrTexture> yuvTextures[3]; | 257 SkAutoTUnref<GrTexture> yuvTextures[3]; |
258 for (int i = 0; i < 3; ++i) { | 258 for (int i = 0; i < 3; ++i) { |
259 yuvDesc.fWidth = yuvSizes[i].fWidth; | 259 yuvDesc.fWidth = yuvSizes[i].fWidth; |
260 yuvDesc.fHeight = yuvSizes[i].fHeight; | 260 yuvDesc.fHeight = yuvSizes[i].fHeight; |
261 yuvTextures[i].reset( | 261 yuvTextures[i].reset( |
262 ctx->refScratchTexture(yuvDesc, GrContext::kApprox_ScratchTexMatch))
; | 262 ctx->refScratchTexture(yuvDesc, GrContext::kApprox_ScratchTexMatch))
; |
263 if (!yuvTextures[i] || | 263 if (!yuvTextures[i] || |
264 !yuvTextures[i]->writePixels(0, 0, yuvDesc.fWidth, yuvDesc.fHeight, | 264 !yuvTextures[i]->writePixels(0, 0, yuvDesc.fWidth, yuvDesc.fHeight, |
265 yuvDesc.fConfig, planes[i], rowBytes[i]
)) { | 265 yuvDesc.fConfig, planes[i], rowBytes[i]
)) { |
266 return NULL; | 266 return NULL; |
267 } | 267 } |
268 } | 268 } |
269 | 269 |
270 GrTextureDesc rtDesc = desc; | 270 GrSurfaceDesc rtDesc = desc; |
271 rtDesc.fFlags = rtDesc.fFlags | | 271 rtDesc.fFlags = rtDesc.fFlags | |
272 kRenderTarget_GrTextureFlagBit | | 272 kRenderTarget_GrSurfaceFlag | |
273 kNoStencil_GrTextureFlagBit; | 273 kNoStencil_GrSurfaceFlag; |
274 | 274 |
275 GrTexture* result = sk_gr_allocate_texture(ctx, cache, params, bm, rtDesc, N
ULL, 0); | 275 GrTexture* result = sk_gr_allocate_texture(ctx, cache, params, bm, rtDesc, N
ULL, 0); |
276 | 276 |
277 GrRenderTarget* renderTarget = result ? result->asRenderTarget() : NULL; | 277 GrRenderTarget* renderTarget = result ? result->asRenderTarget() : NULL; |
278 if (renderTarget) { | 278 if (renderTarget) { |
279 SkAutoTUnref<GrFragmentProcessor> yuvToRgbProcessor( | 279 SkAutoTUnref<GrFragmentProcessor> yuvToRgbProcessor( |
280 GrYUVtoRGBEffect::Create(yuvTextures[0], yuvTextures[1], yuvTextures
[2], colorSpace)); | 280 GrYUVtoRGBEffect::Create(yuvTextures[0], yuvTextures[1], yuvTextures
[2], colorSpace)); |
281 GrPaint paint; | 281 GrPaint paint; |
282 paint.addColorProcessor(yuvToRgbProcessor); | 282 paint.addColorProcessor(yuvToRgbProcessor); |
283 SkRect r = SkRect::MakeWH(SkIntToScalar(yuvSizes[0].fWidth), | 283 SkRect r = SkRect::MakeWH(SkIntToScalar(yuvSizes[0].fWidth), |
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295 } | 295 } |
296 | 296 |
297 static GrTexture* sk_gr_create_bitmap_texture(GrContext* ctx, | 297 static GrTexture* sk_gr_create_bitmap_texture(GrContext* ctx, |
298 bool cache, | 298 bool cache, |
299 const GrTextureParams* params, | 299 const GrTextureParams* params, |
300 const SkBitmap& origBitmap) { | 300 const SkBitmap& origBitmap) { |
301 SkBitmap tmpBitmap; | 301 SkBitmap tmpBitmap; |
302 | 302 |
303 const SkBitmap* bitmap = &origBitmap; | 303 const SkBitmap* bitmap = &origBitmap; |
304 | 304 |
305 GrTextureDesc desc; | 305 GrSurfaceDesc desc; |
306 generate_bitmap_texture_desc(*bitmap, &desc); | 306 generate_bitmap_texture_desc(*bitmap, &desc); |
307 | 307 |
308 if (kIndex_8_SkColorType == bitmap->colorType()) { | 308 if (kIndex_8_SkColorType == bitmap->colorType()) { |
309 // build_compressed_data doesn't do npot->pot expansion | 309 // build_compressed_data doesn't do npot->pot expansion |
310 // and paletted textures can't be sub-updated | 310 // and paletted textures can't be sub-updated |
311 if (cache && ctx->supportsIndex8PixelConfig(params, bitmap->width(), bit
map->height())) { | 311 if (cache && ctx->supportsIndex8PixelConfig(params, bitmap->width(), bit
map->height())) { |
312 size_t imageSize = GrCompressedFormatDataSize(kIndex_8_GrPixelConfig
, | 312 size_t imageSize = GrCompressedFormatDataSize(kIndex_8_GrPixelConfig
, |
313 bitmap->width(), bitma
p->height()); | 313 bitmap->width(), bitma
p->height()); |
314 SkAutoMalloc storage(imageSize); | 314 SkAutoMalloc storage(imageSize); |
315 build_index8_data(storage.get(), origBitmap); | 315 build_index8_data(storage.get(), origBitmap); |
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361 return sk_gr_allocate_texture(ctx, cache, params, origBitmap, desc, | 361 return sk_gr_allocate_texture(ctx, cache, params, origBitmap, desc, |
362 bitmap->getPixels(), bitmap->rowBytes()); | 362 bitmap->getPixels(), bitmap->rowBytes()); |
363 } | 363 } |
364 | 364 |
365 bool GrIsBitmapInCache(const GrContext* ctx, | 365 bool GrIsBitmapInCache(const GrContext* ctx, |
366 const SkBitmap& bitmap, | 366 const SkBitmap& bitmap, |
367 const GrTextureParams* params) { | 367 const GrTextureParams* params) { |
368 GrCacheID cacheID; | 368 GrCacheID cacheID; |
369 generate_bitmap_cache_id(bitmap, &cacheID); | 369 generate_bitmap_cache_id(bitmap, &cacheID); |
370 | 370 |
371 GrTextureDesc desc; | 371 GrSurfaceDesc desc; |
372 generate_bitmap_texture_desc(bitmap, &desc); | 372 generate_bitmap_texture_desc(bitmap, &desc); |
373 return ctx->isTextureInCache(desc, cacheID, params); | 373 return ctx->isTextureInCache(desc, cacheID, params); |
374 } | 374 } |
375 | 375 |
376 GrTexture* GrRefCachedBitmapTexture(GrContext* ctx, | 376 GrTexture* GrRefCachedBitmapTexture(GrContext* ctx, |
377 const SkBitmap& bitmap, | 377 const SkBitmap& bitmap, |
378 const GrTextureParams* params) { | 378 const GrTextureParams* params) { |
379 GrTexture* result = NULL; | 379 GrTexture* result = NULL; |
380 | 380 |
381 bool cache = !bitmap.isVolatile(); | 381 bool cache = !bitmap.isVolatile(); |
382 | 382 |
383 if (cache) { | 383 if (cache) { |
384 // If the bitmap isn't changing try to find a cached copy first. | 384 // If the bitmap isn't changing try to find a cached copy first. |
385 | 385 |
386 GrCacheID cacheID; | 386 GrCacheID cacheID; |
387 generate_bitmap_cache_id(bitmap, &cacheID); | 387 generate_bitmap_cache_id(bitmap, &cacheID); |
388 | 388 |
389 GrTextureDesc desc; | 389 GrSurfaceDesc desc; |
390 generate_bitmap_texture_desc(bitmap, &desc); | 390 generate_bitmap_texture_desc(bitmap, &desc); |
391 | 391 |
392 result = ctx->findAndRefTexture(desc, cacheID, params); | 392 result = ctx->findAndRefTexture(desc, cacheID, params); |
393 } | 393 } |
394 if (NULL == result) { | 394 if (NULL == result) { |
395 result = sk_gr_create_bitmap_texture(ctx, cache, params, bitmap); | 395 result = sk_gr_create_bitmap_texture(ctx, cache, params, bitmap); |
396 } | 396 } |
397 if (NULL == result) { | 397 if (NULL == result) { |
398 GrPrintf("---- failed to create texture for cache [%d %d]\n", | 398 GrPrintf("---- failed to create texture for cache [%d %d]\n", |
399 bitmap.width(), bitmap.height()); | 399 bitmap.width(), bitmap.height()); |
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574 if (shader->asFragmentProcessor(context, skPaint, NULL, &paintColor, &fp
) && fp) { | 574 if (shader->asFragmentProcessor(context, skPaint, NULL, &paintColor, &fp
) && fp) { |
575 grPaint->addColorProcessor(fp)->unref(); | 575 grPaint->addColorProcessor(fp)->unref(); |
576 constantColor = false; | 576 constantColor = false; |
577 } | 577 } |
578 } | 578 } |
579 | 579 |
580 // The grcolor is automatically set when calling asFragmentProcessor. | 580 // The grcolor is automatically set when calling asFragmentProcessor. |
581 // If the shader can be seen as an effect it returns true and adds its effec
t to the grpaint. | 581 // If the shader can be seen as an effect it returns true and adds its effec
t to the grpaint. |
582 SkPaint2GrPaintNoShader(context, skPaint, paintColor, constantColor, grPaint
); | 582 SkPaint2GrPaintNoShader(context, skPaint, paintColor, constantColor, grPaint
); |
583 } | 583 } |
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