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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 |
| 11 | 11 |
| 12 #include "GrTypes.h" | 12 #include "GrTypes.h" |
| 13 #include "GrGpuResource.h" | 13 #include "GrGpuResource.h" |
| 14 #include "SkImageInfo.h" | 14 #include "SkImageInfo.h" |
| 15 #include "SkRect.h" | 15 #include "SkRect.h" |
| 16 | 16 |
| 17 class GrRenderTarget; | 17 class GrRenderTarget; |
| 18 class GrSurfacePriv; | 18 class GrSurfacePriv; |
| 19 class GrTexture; | 19 class GrTexture; |
| 20 class SkColorSpace; |
| 20 | 21 |
| 21 class SK_API GrSurface : public GrGpuResource { | 22 class SK_API GrSurface : public GrGpuResource { |
| 22 public: | 23 public: |
| 23 /** | 24 /** |
| 24 * Retrieves the width of the surface. | 25 * Retrieves the width of the surface. |
| 25 */ | 26 */ |
| 26 int width() const { return fDesc.fWidth; } | 27 int width() const { return fDesc.fWidth; } |
| 27 | 28 |
| 28 /** | 29 /** |
| 29 * Retrieves the height of the surface. | 30 * Retrieves the height of the surface. |
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| 93 * @param left left edge of the rectangle to write (inclusive) | 94 * @param left left edge of the rectangle to write (inclusive) |
| 94 * @param top top edge of the rectangle to write (inclusive) | 95 * @param top top edge of the rectangle to write (inclusive) |
| 95 * @param width width of rectangle to write in pixels. | 96 * @param width width of rectangle to write in pixels. |
| 96 * @param height height of rectangle to write in pixels. | 97 * @param height height of rectangle to write in pixels. |
| 97 * @param config the pixel config of the source buffer | 98 * @param config the pixel config of the source buffer |
| 98 * @param buffer memory to read the rectangle from. | 99 * @param buffer memory to read the rectangle from. |
| 99 * @param rowBytes number of bytes between consecutive rows. Zero means
rows are tightly | 100 * @param rowBytes number of bytes between consecutive rows. Zero means
rows are tightly |
| 100 * packed. | 101 * packed. |
| 101 * @param pixelOpsFlags See the GrContext::PixelOpsFlags enum. | 102 * @param pixelOpsFlags See the GrContext::PixelOpsFlags enum. |
| 102 * | 103 * |
| 103 * @return true if the read succeeded, false if not. The read can fail becau
se of an | 104 * @return true if the write succeeded, false if not. The write can fail bec
ause of an |
| 104 * unsupported pixel config. | 105 * unsupported pixel config. |
| 105 */ | 106 */ |
| 106 bool writePixels(int left, int top, int width, int height, | 107 bool writePixels(int left, int top, int width, int height, |
| 107 GrPixelConfig config, | 108 GrPixelConfig config, |
| 108 const void* buffer, | 109 const void* buffer, |
| 109 size_t rowBytes = 0, | 110 size_t rowBytes = 0, |
| 110 uint32_t pixelOpsFlags = 0); | 111 uint32_t pixelOpsFlags = 0); |
| 111 | 112 |
| 112 /** | 113 /** |
| 114 * Copy the src pixels [buffer, rowbytes, pixelconfig] into the surface at th
e specified |
| 115 * rectangle, performing color space conversion. No other conversions are all
owed. |
| 116 * @param left left edge of the rectangle to write (inclusive) |
| 117 * @param top top edge of the rectangle to write (inclusive) |
| 118 * @param width width of rectangle to write in pixels. |
| 119 * @param height height of rectangle to write in pixels. |
| 120 * @param config the pixel config of the source buffer |
| 121 * @param srcColorSpace color space of the source buffer |
| 122 * @param dstColorSpace color space to convert to |
| 123 * @param buffer memory to read the rectangle from. |
| 124 * @param rowBytes number of bytes between consecutive rows. Zero means
rows are tightly |
| 125 * packed. |
| 126 * @param colorSpaceOpsFlags See the GrContext::ColorSpaceOpsFlags enum. |
| 127 * |
| 128 * @return true if the write succeeded, false if not. The write can fail beca
use of an |
| 129 * unsupported pixel config. |
| 130 */ |
| 131 bool writePixelsWithColorSpace(int left, int top, int width, int height, |
| 132 GrPixelConfig config, |
| 133 const SkColorSpace* srcColorSpace, |
| 134 const SkColorSpace* dstColorSpace, |
| 135 const void* buffer, |
| 136 size_t rowBytes = 0, |
| 137 uint32_t colorSpaceOpsFlags = 0); |
| 138 |
| 139 /** |
| 113 * After this returns any pending writes to the surface will be issued to th
e backend 3D API. | 140 * After this returns any pending writes to the surface will be issued to th
e backend 3D API. |
| 114 */ | 141 */ |
| 115 void flushWrites(); | 142 void flushWrites(); |
| 116 | 143 |
| 117 | 144 |
| 118 /** | 145 /** |
| 119 * After this returns any pending surface IO will be issued to the backend 3
D API and | 146 * After this returns any pending surface IO will be issued to the backend 3
D API and |
| 120 * if the surface has MSAA it will be resolved. | 147 * if the surface has MSAA it will be resolved. |
| 121 */ | 148 */ |
| 122 void prepareForExternalIO(); | 149 void prepareForExternalIO(); |
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| 171 } | 198 } |
| 172 } | 199 } |
| 173 | 200 |
| 174 ReleaseProc fReleaseProc; | 201 ReleaseProc fReleaseProc; |
| 175 ReleaseCtx fReleaseCtx; | 202 ReleaseCtx fReleaseCtx; |
| 176 | 203 |
| 177 typedef GrGpuResource INHERITED; | 204 typedef GrGpuResource INHERITED; |
| 178 }; | 205 }; |
| 179 | 206 |
| 180 #endif | 207 #endif |
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