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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 GrLayerHoister_DEFINED | 8 #ifndef GrLayerHoister_DEFINED |
9 #define GrLayerHoister_DEFINED | 9 #define GrLayerHoister_DEFINED |
10 | 10 |
11 #include "SkPicture.h" | 11 #include "SkPicture.h" |
12 #include "SkTDArray.h" | 12 #include "SkTDArray.h" |
13 | 13 |
14 struct GrCachedLayer; | 14 struct GrCachedLayer; |
15 class GrReplacements; | 15 class GrReplacements; |
16 struct SkRect; | 16 struct SkRect; |
17 | 17 |
18 class GrHoistedLayer { | 18 class GrHoistedLayer { |
19 public: | 19 public: |
20 const SkPicture* fPicture; // the picture that actually contains the layer | 20 const SkPicture* fPicture; // the picture that actually contains the layer |
21 // (not necessarily the top-most picture) | 21 // (not necessarily the top-most picture) |
22 GrCachedLayer* fLayer; | 22 GrCachedLayer* fLayer; |
23 SkIPoint fOffset; | |
24 SkMatrix fInitialMat; | 23 SkMatrix fInitialMat; |
25 SkMatrix fPreMat; | 24 SkMatrix fPreMat; |
26 SkMatrix fLocalMat; | 25 SkMatrix fLocalMat; |
27 }; | 26 }; |
28 | 27 |
29 // This class collects the layer hoisting functionality in one place. | 28 // This class collects the layer hoisting functionality in one place. |
30 // For each picture rendering: | 29 // For each picture rendering: |
31 // FindLayersToHoist should be called once to collect the required layers | 30 // FindLayersToHoist should be called once to collect the required layers |
32 // DrawLayers should be called once to render them | 31 // DrawLayers should be called once to render them |
33 // UnlockLayers should be called once to allow the texture resources to be recy
cled | 32 // UnlockLayers should be called once to allow the texture resources to be recy
cled |
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99 static void UnlockLayers(GrContext* context, const SkTDArray<GrHoistedLayer>
& layers); | 98 static void UnlockLayers(GrContext* context, const SkTDArray<GrHoistedLayer>
& layers); |
100 | 99 |
101 /** Forceably remove all cached layers and release the atlas. Useful for deb
ugging and timing. | 100 /** Forceably remove all cached layers and release the atlas. Useful for deb
ugging and timing. |
102 This is only functional when GR_CACHE_HOISTED_LAYERS is set to 1 in GrLa
yerCache.h | 101 This is only functional when GR_CACHE_HOISTED_LAYERS is set to 1 in GrLa
yerCache.h |
103 @param context Owner of the layer cache (and thus the layers) | 102 @param context Owner of the layer cache (and thus the layers) |
104 */ | 103 */ |
105 static void PurgeCache(GrContext* context); | 104 static void PurgeCache(GrContext* context); |
106 }; | 105 }; |
107 | 106 |
108 #endif | 107 #endif |
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