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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2010 Google Inc. | 3 * Copyright 2010 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 | 10 |
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55 | 55 |
56 static SkGrPixelRef* copy_to_new_texture_pixelref(GrTexture* texture, SkColorTyp
e dstCT, | 56 static SkGrPixelRef* copy_to_new_texture_pixelref(GrTexture* texture, SkColorTyp
e dstCT, |
57 const SkIRect* subset) { | 57 const SkIRect* subset) { |
58 if (NULL == texture || kUnknown_SkColorType == dstCT) { | 58 if (NULL == texture || kUnknown_SkColorType == dstCT) { |
59 return NULL; | 59 return NULL; |
60 } | 60 } |
61 GrContext* context = texture->getContext(); | 61 GrContext* context = texture->getContext(); |
62 if (NULL == context) { | 62 if (NULL == context) { |
63 return NULL; | 63 return NULL; |
64 } | 64 } |
65 GrTextureDesc desc; | 65 GrSurfaceDesc desc; |
66 | 66 |
67 SkIRect srcRect; | 67 SkIRect srcRect; |
68 | 68 |
69 if (!subset) { | 69 if (!subset) { |
70 desc.fWidth = texture->width(); | 70 desc.fWidth = texture->width(); |
71 desc.fHeight = texture->height(); | 71 desc.fHeight = texture->height(); |
72 srcRect = SkIRect::MakeWH(texture->width(), texture->height()); | 72 srcRect = SkIRect::MakeWH(texture->width(), texture->height()); |
73 } else { | 73 } else { |
74 SkASSERT(SkIRect::MakeWH(texture->width(), texture->height()).contains(*
subset)); | 74 SkASSERT(SkIRect::MakeWH(texture->width(), texture->height()).contains(*
subset)); |
75 // Create a new texture that is the size of subset. | 75 // Create a new texture that is the size of subset. |
76 desc.fWidth = subset->width(); | 76 desc.fWidth = subset->width(); |
77 desc.fHeight = subset->height(); | 77 desc.fHeight = subset->height(); |
78 srcRect = *subset; | 78 srcRect = *subset; |
79 } | 79 } |
80 desc.fFlags = kRenderTarget_GrTextureFlagBit | kNoStencil_GrTextureFlagBit; | 80 desc.fFlags = kRenderTarget_GrSurfaceFlag | kNoStencil_GrSurfaceFlag; |
81 desc.fConfig = SkImageInfo2GrPixelConfig(dstCT, kPremul_SkAlphaType); | 81 desc.fConfig = SkImageInfo2GrPixelConfig(dstCT, kPremul_SkAlphaType); |
82 | 82 |
83 GrTexture* dst = context->createUncachedTexture(desc, NULL, 0); | 83 GrTexture* dst = context->createUncachedTexture(desc, NULL, 0); |
84 if (NULL == dst) { | 84 if (NULL == dst) { |
85 return NULL; | 85 return NULL; |
86 } | 86 } |
87 | 87 |
88 // Blink is relying on the above copy being sent to GL immediately in the ca
se when the source | 88 // Blink is relying on the above copy being sent to GL immediately in the ca
se when the source |
89 // is a WebGL canvas backing store. We could have a TODO to remove this flus
h flag, but we have | 89 // is a WebGL canvas backing store. We could have a TODO to remove this flus
h flag, but we have |
90 // a larger TODO to remove SkGrPixelRef entirely. | 90 // a larger TODO to remove SkGrPixelRef entirely. |
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188 cachedBitmap.setImmutable(); | 188 cachedBitmap.setImmutable(); |
189 //Add to the cache | 189 //Add to the cache |
190 SkBitmapCache::Add(this->getGenerationID(), bounds, cachedBitmap); | 190 SkBitmapCache::Add(this->getGenerationID(), bounds, cachedBitmap); |
191 | 191 |
192 dst->swap(cachedBitmap); | 192 dst->swap(cachedBitmap); |
193 } | 193 } |
194 | 194 |
195 return true; | 195 return true; |
196 | 196 |
197 } | 197 } |
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