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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 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 GrGpu_DEFINED | 8 #ifndef GrGpu_DEFINED |
9 #define GrGpu_DEFINED | 9 #define GrGpu_DEFINED |
10 | 10 |
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301 * @param offset offset from the start of the buffer | 301 * @param offset offset from the start of the buffer |
302 * @param rowBytes number of bytes between consecutive rows. Zero | 302 * @param rowBytes number of bytes between consecutive rows. Zero |
303 * means rows are tightly packed. | 303 * means rows are tightly packed. |
304 */ | 304 */ |
305 bool transferPixels(GrSurface* surface, | 305 bool transferPixels(GrSurface* surface, |
306 int left, int top, int width, int height, | 306 int left, int top, int width, int height, |
307 GrPixelConfig config, GrBuffer* transferBuffer, | 307 GrPixelConfig config, GrBuffer* transferBuffer, |
308 size_t offset, size_t rowBytes); | 308 size_t offset, size_t rowBytes); |
309 | 309 |
310 /** | 310 /** |
311 * This is can be called before allocating a texture to be a dst for copySur
face. It will | 311 * This is can be called before allocating a texture to be a dst for copySur
face. This is only |
| 312 * used for doing dst copies needed in blends, thus the src is always a GrRe
nderTarget. It will |
312 * populate the origin, config, and flags fields of the desc such that copyS
urface can | 313 * populate the origin, config, and flags fields of the desc such that copyS
urface can |
313 * efficiently succeed. It should only succeed if it can allow copySurface t
o perform a copy | 314 * efficiently succeed. |
314 * that would be more effecient than drawing the src to a dst render target. | |
315 */ | 315 */ |
316 virtual bool initCopySurfaceDstDesc(const GrSurface* src, GrSurfaceDesc* des
c) const = 0; | 316 virtual bool initDescForDstCopy(const GrRenderTarget* src, GrSurfaceDesc* de
sc) const = 0; |
317 | 317 |
318 // After the client interacts directly with the 3D context state the GrGpu | 318 // After the client interacts directly with the 3D context state the GrGpu |
319 // must resync its internal state and assumptions about 3D context state. | 319 // must resync its internal state and assumptions about 3D context state. |
320 // Each time this occurs the GrGpu bumps a timestamp. | 320 // Each time this occurs the GrGpu bumps a timestamp. |
321 // state of the 3D context | 321 // state of the 3D context |
322 // At 10 resets / frame and 60fps a 64bit timestamp will overflow in about | 322 // At 10 resets / frame and 60fps a 64bit timestamp will overflow in about |
323 // a billion years. | 323 // a billion years. |
324 typedef uint64_t ResetTimestamp; | 324 typedef uint64_t ResetTimestamp; |
325 | 325 |
326 // This timestamp is always older than the current timestamp | 326 // This timestamp is always older than the current timestamp |
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598 SkSTArray<1, MultisampleSpecs, true> fMultisampleSpecs; | 598 SkSTArray<1, MultisampleSpecs, true> fMultisampleSpecs; |
599 // The context owns us, not vice-versa, so this ptr is not ref'ed by Gpu. | 599 // The context owns us, not vice-versa, so this ptr is not ref'ed by Gpu. |
600 GrContext* fContext; | 600 GrContext* fContext; |
601 | 601 |
602 friend class GrPathRendering; | 602 friend class GrPathRendering; |
603 friend class gr_instanced::InstancedRendering; | 603 friend class gr_instanced::InstancedRendering; |
604 typedef SkRefCnt INHERITED; | 604 typedef SkRefCnt INHERITED; |
605 }; | 605 }; |
606 | 606 |
607 #endif | 607 #endif |
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