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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 #ifndef SkImagePriv_DEFINED | 8 #ifndef SkImagePriv_DEFINED |
9 #define SkImagePriv_DEFINED | 9 #define SkImagePriv_DEFINED |
10 | 10 |
11 #include "SkImage.h" | 11 #include "SkImage.h" |
| 12 #include "SkSurface.h" |
12 | 13 |
13 // Call this if you explicitly want to use/share this pixelRef in the image | 14 // Call this if you explicitly want to use/share this pixelRef in the image |
14 extern SkImage* SkNewImageFromPixelRef(const SkImageInfo&, SkPixelRef*, size_t r
owBytes, | 15 extern SkImage* SkNewImageFromPixelRef(const SkImageInfo&, SkPixelRef*, size_t r
owBytes, |
15 const SkSurfaceProps*); | 16 const SkSurfaceProps*); |
16 | 17 |
17 /** | 18 /** |
18 * Examines the bitmap to decide if it can share the existing pixelRef, or | 19 * Examines the bitmap to decide if it can share the existing pixelRef, or |
19 * if it needs to make a deep-copy of the pixels. The bitmap's pixelref will | 20 * if it needs to make a deep-copy of the pixels. The bitmap's pixelref will |
20 * be shared if either the bitmap is marked as immutable, or canSharePixelRef | 21 * be shared if either the bitmap is marked as immutable, or canSharePixelRef |
21 * is true. | 22 * is true. |
(...skipping 11 matching lines...) Expand all Loading... |
33 // Given an image created from SkNewImageFromBitmap, return its pixelref. This | 34 // Given an image created from SkNewImageFromBitmap, return its pixelref. This |
34 // may be called to see if the surface and the image share the same pixelref, | 35 // may be called to see if the surface and the image share the same pixelref, |
35 // in which case the surface may need to perform a copy-on-write. | 36 // in which case the surface may need to perform a copy-on-write. |
36 extern const SkPixelRef* SkBitmapImageGetPixelRef(const SkImage* rasterImage); | 37 extern const SkPixelRef* SkBitmapImageGetPixelRef(const SkImage* rasterImage); |
37 | 38 |
38 // Given an image created with NewTexture, return its GrTexture. This | 39 // Given an image created with NewTexture, return its GrTexture. This |
39 // may be called to see if the surface and the image share the same GrTexture, | 40 // may be called to see if the surface and the image share the same GrTexture, |
40 // in which case the surface may need to perform a copy-on-write. | 41 // in which case the surface may need to perform a copy-on-write. |
41 extern GrTexture* SkTextureImageGetTexture(SkImage* textureImage); | 42 extern GrTexture* SkTextureImageGetTexture(SkImage* textureImage); |
42 | 43 |
| 44 // When a texture is shared by a surface and an image its budgeted status is tha
t of the |
| 45 // surface. This function is used when the surface makes a new texture for itsel
f in order |
| 46 // for the orphaned image to determine whether the original texture counts again
st the |
| 47 // budget or not. |
| 48 extern void SkTextureImageApplyBudgetedDecision(SkImage* textureImage); |
| 49 |
43 // Update the texture wrapped by an image created with NewTexture. This | 50 // Update the texture wrapped by an image created with NewTexture. This |
44 // is called when a surface and image share the same GrTexture and the | 51 // is called when a surface and image share the same GrTexture and the |
45 // surface needs to perform a copy-on-write | 52 // surface needs to perform a copy-on-write |
46 extern void SkTextureImageSetTexture(SkImage* image, GrTexture* texture); | 53 extern void SkTextureImageSetTexture(SkImage* image, GrTexture* texture); |
47 | 54 |
48 extern SkImage* SkNewImageFromBitmapTexture(const SkBitmap&, int sampleCountForN
ewSurfaces); | 55 extern SkImage* SkNewImageFromBitmapTexture(const SkBitmap&, int sampleCountForN
ewSurfaces, |
| 56 SkSurface::Budgeted); |
49 | 57 |
50 #endif | 58 #endif |
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