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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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425 // clearRect. NULL rect means clear whole target. If canIgnoreRect is | 425 // clearRect. NULL rect means clear whole target. If canIgnoreRect is |
426 // true, it is okay to perform a full clear instead of a partial clear | 426 // true, it is okay to perform a full clear instead of a partial clear |
427 virtual void onClear(const SkIRect* rect, GrColor color, bool canIgnoreRect)
= 0; | 427 virtual void onClear(const SkIRect* rect, GrColor color, bool canIgnoreRect)
= 0; |
428 | 428 |
429 // overridden by backend-specific derived class to perform the draw call. | 429 // overridden by backend-specific derived class to perform the draw call. |
430 virtual void onGpuDraw(const DrawInfo&) = 0; | 430 virtual void onGpuDraw(const DrawInfo&) = 0; |
431 | 431 |
432 // overridden by backend-specific derived class to perform the path stencili
ng. | 432 // overridden by backend-specific derived class to perform the path stencili
ng. |
433 virtual void onGpuStencilPath(const GrPath*, SkPath::FillType) = 0; | 433 virtual void onGpuStencilPath(const GrPath*, SkPath::FillType) = 0; |
434 virtual void onGpuDrawPath(const GrPath*, SkPath::FillType) = 0; | 434 virtual void onGpuDrawPath(const GrPath*, SkPath::FillType) = 0; |
435 virtual void onGpuDrawPaths(size_t, const GrPath**, const SkMatrix*, | 435 virtual void onGpuDrawPaths(int, const GrPath**, const SkMatrix*, |
436 SkPath::FillType, SkStrokeRec::Style) = 0; | 436 SkPath::FillType, SkStrokeRec::Style) = 0; |
437 | 437 |
438 // overridden by backend-specific derived class to perform the read pixels. | 438 // overridden by backend-specific derived class to perform the read pixels. |
439 virtual bool onReadPixels(GrRenderTarget* target, | 439 virtual bool onReadPixels(GrRenderTarget* target, |
440 int left, int top, int width, int height, | 440 int left, int top, int width, int height, |
441 GrPixelConfig, | 441 GrPixelConfig, |
442 void* buffer, | 442 void* buffer, |
443 size_t rowBytes) = 0; | 443 size_t rowBytes) = 0; |
444 | 444 |
445 // overridden by backend-specific derived class to perform the texture updat
e | 445 // overridden by backend-specific derived class to perform the texture updat
e |
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469 virtual void clearStencil() = 0; | 469 virtual void clearStencil() = 0; |
470 | 470 |
471 // Given a rt, find or create a stencil buffer and attach it | 471 // Given a rt, find or create a stencil buffer and attach it |
472 bool attachStencilBufferToRenderTarget(GrRenderTarget* target); | 472 bool attachStencilBufferToRenderTarget(GrRenderTarget* target); |
473 | 473 |
474 // GrDrawTarget overrides | 474 // GrDrawTarget overrides |
475 virtual void onDraw(const DrawInfo&) SK_OVERRIDE; | 475 virtual void onDraw(const DrawInfo&) SK_OVERRIDE; |
476 virtual void onStencilPath(const GrPath*, SkPath::FillType) SK_OVERRIDE; | 476 virtual void onStencilPath(const GrPath*, SkPath::FillType) SK_OVERRIDE; |
477 virtual void onDrawPath(const GrPath*, SkPath::FillType, | 477 virtual void onDrawPath(const GrPath*, SkPath::FillType, |
478 const GrDeviceCoordTexture* dstCopy) SK_OVERRIDE; | 478 const GrDeviceCoordTexture* dstCopy) SK_OVERRIDE; |
479 virtual void onDrawPaths(size_t, const GrPath**, const SkMatrix*, | 479 virtual void onDrawPaths(int, const GrPath**, const SkMatrix*, |
480 SkPath::FillType, SkStrokeRec::Style, | 480 SkPath::FillType, SkStrokeRec::Style, |
481 const GrDeviceCoordTexture* dstCopy) SK_OVERRIDE; | 481 const GrDeviceCoordTexture* dstCopy) SK_OVERRIDE; |
482 | 482 |
483 // readies the pools to provide vertex/index data. | 483 // readies the pools to provide vertex/index data. |
484 void prepareVertexPool(); | 484 void prepareVertexPool(); |
485 void prepareIndexPool(); | 485 void prepareIndexPool(); |
486 | 486 |
487 void resetContext() { | 487 void resetContext() { |
488 // We call this because the client may have messed with the | 488 // We call this because the client may have messed with the |
489 // stencil buffer. Perhaps we should detect whether it is a | 489 // stencil buffer. Perhaps we should detect whether it is a |
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515 // these are mutable so they can be created on-demand | 515 // these are mutable so they can be created on-demand |
516 mutable GrIndexBuffer* fQuadInd
exBuffer; | 516 mutable GrIndexBuffer* fQuadInd
exBuffer; |
517 // Used to abandon/release all resources created by this GrGpu. TODO: Move t
his | 517 // Used to abandon/release all resources created by this GrGpu. TODO: Move t
his |
518 // functionality to GrResourceCache. | 518 // functionality to GrResourceCache. |
519 ResourceList fResourc
eList; | 519 ResourceList fResourc
eList; |
520 | 520 |
521 typedef GrDrawTarget INHERITED; | 521 typedef GrDrawTarget INHERITED; |
522 }; | 522 }; |
523 | 523 |
524 #endif | 524 #endif |
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