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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 | 8 |
9 #ifndef GrSurface_DEFINED | 9 #ifndef GrSurface_DEFINED |
10 #define GrSurface_DEFINED | 10 #define GrSurface_DEFINED |
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80 * @param height height of rectangle to read in pixels. | 80 * @param height height of rectangle to read in pixels. |
81 * @param config the pixel config of the destination buffer | 81 * @param config the pixel config of the destination buffer |
82 * @param buffer memory to read the rectangle into. | 82 * @param buffer memory to read the rectangle into. |
83 * @param rowBytes number of bytes between consecutive rows. Zero means
rows are tightly | 83 * @param rowBytes number of bytes between consecutive rows. Zero means
rows are tightly |
84 * packed. | 84 * packed. |
85 * @param pixelOpsFlags See the GrContext::PixelOpsFlags enum. | 85 * @param pixelOpsFlags See the GrContext::PixelOpsFlags enum. |
86 * | 86 * |
87 * @return true if the read succeeded, false if not. The read can fail becau
se of an unsupported | 87 * @return true if the read succeeded, false if not. The read can fail becau
se of an unsupported |
88 * pixel config. | 88 * pixel config. |
89 */ | 89 */ |
90 virtual bool readPixels(int left, int top, int width, int height, | 90 bool readPixels(int left, int top, int width, int height, |
91 GrPixelConfig config, | 91 GrPixelConfig config, |
92 void* buffer, | 92 void* buffer, |
93 size_t rowBytes = 0, | 93 size_t rowBytes = 0, |
94 uint32_t pixelOpsFlags = 0) = 0; | 94 uint32_t pixelOpsFlags = 0); |
95 | 95 |
96 /** | 96 /** |
97 * Copy the src pixels [buffer, rowbytes, pixelconfig] into the surface at t
he specified | 97 * Copy the src pixels [buffer, rowbytes, pixelconfig] into the surface at t
he specified |
98 * rectangle. | 98 * rectangle. |
99 * @param left left edge of the rectangle to write (inclusive) | 99 * @param left left edge of the rectangle to write (inclusive) |
100 * @param top top edge of the rectangle to write (inclusive) | 100 * @param top top edge of the rectangle to write (inclusive) |
101 * @param width width of rectangle to write in pixels. | 101 * @param width width of rectangle to write in pixels. |
102 * @param height height of rectangle to write in pixels. | 102 * @param height height of rectangle to write in pixels. |
103 * @param config the pixel config of the source buffer | 103 * @param config the pixel config of the source buffer |
104 * @param buffer memory to read the rectangle from. | 104 * @param buffer memory to read the rectangle from. |
105 * @param rowBytes number of bytes between consecutive rows. Zero means
rows are tightly | 105 * @param rowBytes number of bytes between consecutive rows. Zero means
rows are tightly |
106 * packed. | 106 * packed. |
107 * @param pixelOpsFlags See the GrContext::PixelOpsFlags enum. | 107 * @param pixelOpsFlags See the GrContext::PixelOpsFlags enum. |
108 */ | 108 */ |
109 virtual void writePixels(int left, int top, int width, int height, | 109 bool writePixels(int left, int top, int width, int height, |
110 GrPixelConfig config, | 110 GrPixelConfig config, |
111 const void* buffer, | 111 const void* buffer, |
112 size_t rowBytes = 0, | 112 size_t rowBytes = 0, |
113 uint32_t pixelOpsFlags = 0) = 0; | 113 uint32_t pixelOpsFlags = 0); |
114 | 114 |
115 /** | 115 /** |
116 * After this returns any pending writes to the surface will be issued to th
e backend 3D API. | 116 * After this returns any pending writes to the surface will be issued to th
e backend 3D API. |
117 */ | 117 */ |
118 void flushWrites(); | 118 void flushWrites(); |
119 | 119 |
120 /** Access methods that are only to be used within Skia code. */ | 120 /** Access methods that are only to be used within Skia code. */ |
121 inline GrSurfacePriv surfacePriv(); | 121 inline GrSurfacePriv surfacePriv(); |
122 inline const GrSurfacePriv surfacePriv() const; | 122 inline const GrSurfacePriv surfacePriv() const; |
123 | 123 |
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138 , fDesc(desc) { | 138 , fDesc(desc) { |
139 } | 139 } |
140 | 140 |
141 GrTextureDesc fDesc; | 141 GrTextureDesc fDesc; |
142 | 142 |
143 private: | 143 private: |
144 typedef GrGpuResource INHERITED; | 144 typedef GrGpuResource INHERITED; |
145 }; | 145 }; |
146 | 146 |
147 #endif | 147 #endif |
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