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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 |
11 #ifndef GrAtlas_DEFINED | 11 #ifndef GrAtlas_DEFINED |
12 #define GrAtlas_DEFINED | 12 #define GrAtlas_DEFINED |
13 | 13 |
14 #include "GrPoint.h" | 14 #include "GrPoint.h" |
15 #include "GrTexture.h" | 15 #include "GrTexture.h" |
16 #include "GrDrawTarget.h" | 16 #include "GrDrawTarget.h" |
17 | 17 |
18 class GrGpu; | 18 class GrGpu; |
19 class GrRectanizer; | 19 class GrRectanizer; |
20 class GrAtlasMgr; | 20 class GrAtlasMgr; |
21 | 21 |
22 class GrAtlas { | 22 class GrAtlas { |
23 public: | 23 public: |
24 int getPlotX() const { return fPlot.fX; } | 24 int getPlotX() const { return fPlot.fX; } |
25 int getPlotY() const { return fPlot.fY; } | 25 int getPlotY() const { return fPlot.fY; } |
26 GrMaskFormat getMaskFormat() const { return fMaskFormat; } | |
27 | 26 |
28 GrTexture* texture() const { return fTexture; } | 27 GrTexture* texture() const { return fTexture; } |
29 | 28 |
30 bool addSubImage(int width, int height, const void*, GrIPoint16*); | 29 bool addSubImage(int width, int height, const void*, GrIPoint16*); |
31 | 30 |
32 static void FreeLList(GrAtlas* atlas) { | 31 static void FreeLList(GrAtlas* atlas) { |
33 while (NULL != atlas) { | 32 while (NULL != atlas) { |
34 GrAtlas* next = atlas->fNext; | 33 GrAtlas* next = atlas->fNext; |
35 delete atlas; | 34 delete atlas; |
36 atlas = next; | 35 atlas = next; |
37 } | 36 } |
38 } | 37 } |
39 | 38 |
40 static bool RemoveUnusedAtlases(GrAtlasMgr* atlasMgr, GrAtlas** startAtlas); | 39 static bool RemoveUnusedAtlases(GrAtlasMgr* atlasMgr, GrAtlas** startAtlas); |
41 | 40 |
42 GrDrawTarget::DrawToken drawToken() const { return fDrawToken; } | 41 GrDrawTarget::DrawToken drawToken() const { return fDrawToken; } |
43 void setDrawToken(GrDrawTarget::DrawToken draw) { fDrawToken = draw; } | 42 void setDrawToken(GrDrawTarget::DrawToken draw) { fDrawToken = draw; } |
44 | 43 |
45 private: | 44 private: |
46 GrAtlas(GrAtlasMgr*, int plotX, int plotY, GrMaskFormat format); | 45 GrAtlas(GrAtlasMgr*, int plotX, int plotY, int bpp); |
47 ~GrAtlas(); // does not try to delete the fNext field | 46 ~GrAtlas(); // does not try to delete the fNext field |
48 | 47 |
49 // for recycling | 48 // for recycling |
50 GrDrawTarget::DrawToken fDrawToken; | 49 GrDrawTarget::DrawToken fDrawToken; |
51 | 50 |
52 GrAtlas* fNext; | 51 GrAtlas* fNext; |
53 | 52 |
54 GrTexture* fTexture; | 53 GrTexture* fTexture; |
55 GrRectanizer* fRects; | 54 GrRectanizer* fRects; |
56 GrAtlasMgr* fAtlasMgr; | 55 GrAtlasMgr* fAtlasMgr; |
57 GrIPoint16 fPlot; | 56 GrIPoint16 fPlot; |
58 GrMaskFormat fMaskFormat; | 57 int fBytesPerPixel; |
59 | 58 |
60 friend class GrAtlasMgr; | 59 friend class GrAtlasMgr; |
61 }; | 60 }; |
62 | 61 |
63 class GrPlotMgr; | 62 class GrPlotMgr; |
64 | 63 |
65 class GrAtlasMgr { | 64 class GrAtlasMgr { |
66 public: | 65 public: |
67 GrAtlasMgr(GrGpu*, GrMaskFormat); | 66 GrAtlasMgr(GrGpu*, GrPixelConfig); |
68 ~GrAtlasMgr(); | 67 ~GrAtlasMgr(); |
69 | 68 |
70 GrAtlas* addToAtlas(GrAtlas**, int width, int height, const void*, GrIPoint1
6*); | 69 GrAtlas* addToAtlas(GrAtlas**, int width, int height, const void*, GrIPoint1
6*); |
71 void deleteAtlas(GrAtlas* atlas) { delete atlas; } | 70 void deleteAtlas(GrAtlas* atlas) { delete atlas; } |
72 | 71 |
73 GrTexture* getTexture() const { | 72 GrTexture* getTexture() const { |
74 return fTexture; | 73 return fTexture; |
75 } | 74 } |
76 | 75 |
77 // to be called by ~GrAtlas() | 76 // to be called by ~GrAtlas() |
78 void freePlot(int x, int y); | 77 void freePlot(int x, int y); |
79 | 78 |
80 private: | 79 private: |
81 GrGpu* fGpu; | 80 GrGpu* fGpu; |
82 GrMaskFormat fMaskFormat; | 81 GrPixelConfig fPixelConfig; |
83 GrTexture* fTexture; | 82 GrTexture* fTexture; |
84 GrPlotMgr* fPlotMgr; | 83 GrPlotMgr* fPlotMgr; |
85 }; | 84 }; |
86 | 85 |
87 #endif | 86 #endif |
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