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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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319 return kDrawPoints_DrawType; | 319 return kDrawPoints_DrawType; |
320 case kLines_GrPrimitiveType: | 320 case kLines_GrPrimitiveType: |
321 case kLineStrip_GrPrimitiveType: | 321 case kLineStrip_GrPrimitiveType: |
322 return kDrawLines_DrawType; | 322 return kDrawLines_DrawType; |
323 default: | 323 default: |
324 SkFAIL("Unexpected primitive type"); | 324 SkFAIL("Unexpected primitive type"); |
325 return kDrawTriangles_DrawType; | 325 return kDrawTriangles_DrawType; |
326 } | 326 } |
327 } | 327 } |
328 | 328 |
329 // prepares clip flushes gpu state before a draw | |
330 bool setupClipAndFlushState(DrawType, | |
331 const GrDeviceCoordTexture* dstCopy, | |
332 const SkRect* devBounds, | |
333 GrDrawState::AutoRestoreEffects*, | |
334 GrDrawState::AutoRestoreStencil*); | |
335 | |
336 // Functions used to map clip-respecting stencil tests into normal | 329 // Functions used to map clip-respecting stencil tests into normal |
337 // stencil funcs supported by GPUs. | 330 // stencil funcs supported by GPUs. |
338 static GrStencilFunc ConvertStencilFunc(bool stencilInClip, | 331 static GrStencilFunc ConvertStencilFunc(bool stencilInClip, |
339 GrStencilFunc func); | 332 GrStencilFunc func); |
340 static void ConvertStencilFuncAndMask(GrStencilFunc func, | 333 static void ConvertStencilFuncAndMask(GrStencilFunc func, |
341 bool clipInStencil, | 334 bool clipInStencil, |
342 unsigned int clipBit, | 335 unsigned int clipBit, |
343 unsigned int userBits, | 336 unsigned int userBits, |
344 unsigned int* ref, | 337 unsigned int* ref, |
345 unsigned int* mask); | 338 unsigned int* mask); |
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435 const GrClipMaskManager::ScissorState&, | 428 const GrClipMaskManager::ScissorState&, |
436 const GrDeviceCoordTexture* dstCopy) = 0; | 429 const GrDeviceCoordTexture* dstCopy) = 0; |
437 | 430 |
438 // clears target's entire stencil buffer to 0 | 431 // clears target's entire stencil buffer to 0 |
439 virtual void clearStencil(GrRenderTarget* target) = 0; | 432 virtual void clearStencil(GrRenderTarget* target) = 0; |
440 | 433 |
441 // Given a rt, find or create a stencil buffer and attach it | 434 // Given a rt, find or create a stencil buffer and attach it |
442 bool attachStencilBufferToRenderTarget(GrRenderTarget* target); | 435 bool attachStencilBufferToRenderTarget(GrRenderTarget* target); |
443 | 436 |
444 // GrDrawTarget overrides | 437 // GrDrawTarget overrides |
445 virtual void onDraw(const DrawInfo&) SK_OVERRIDE; | 438 virtual void onDraw(const DrawInfo&, const GrClipMaskManager::ScissorState&)
SK_OVERRIDE; |
446 virtual void onStencilPath(const GrPath*, GrPathRendering::FillType) SK_OVER
RIDE; | 439 virtual void onStencilPath(const GrPath*, |
447 virtual void onDrawPath(const GrPath*, GrPathRendering::FillType, | 440 const GrClipMaskManager::ScissorState&, |
| 441 const GrStencilSettings&) SK_OVERRIDE; |
| 442 virtual void onDrawPath(const GrPath*, |
| 443 const GrClipMaskManager::ScissorState&, |
| 444 const GrStencilSettings&, |
448 const GrDeviceCoordTexture* dstCopy) SK_OVERRIDE; | 445 const GrDeviceCoordTexture* dstCopy) SK_OVERRIDE; |
449 virtual void onDrawPaths(const GrPathRange*, | 446 virtual void onDrawPaths(const GrPathRange*, |
450 const uint32_t indices[], int count, | 447 const uint32_t indices[], |
451 const float transforms[], PathTransformType, | 448 int count, |
452 GrPathRendering::FillType, const GrDeviceCoordTextu
re*) SK_OVERRIDE; | 449 const float transforms[], |
| 450 PathTransformType, |
| 451 const GrClipMaskManager::ScissorState&, |
| 452 const GrStencilSettings&, |
| 453 const GrDeviceCoordTexture*) SK_OVERRIDE; |
453 | 454 |
454 // readies the pools to provide vertex/index data. | 455 // readies the pools to provide vertex/index data. |
455 void prepareVertexPool(); | 456 void prepareVertexPool(); |
456 void prepareIndexPool(); | 457 void prepareIndexPool(); |
457 | 458 |
458 void resetContext() { | 459 void resetContext() { |
459 this->onResetContext(fResetBits); | 460 this->onResetContext(fResetBits); |
460 fResetBits = 0; | 461 fResetBits = 0; |
461 ++fResetTimestamp; | 462 ++fResetTimestamp; |
462 } | 463 } |
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478 // counts number of uses of vertex/index pool in the geometry stack | 479 // counts number of uses of vertex/index pool in the geometry stack |
479 int fVertexP
oolUseCnt; | 480 int fVertexP
oolUseCnt; |
480 int fIndexPo
olUseCnt; | 481 int fIndexPo
olUseCnt; |
481 // these are mutable so they can be created on-demand | 482 // these are mutable so they can be created on-demand |
482 mutable GrIndexBuffer* fQuadInd
exBuffer; | 483 mutable GrIndexBuffer* fQuadInd
exBuffer; |
483 | 484 |
484 typedef GrClipTarget INHERITED; | 485 typedef GrClipTarget INHERITED; |
485 }; | 486 }; |
486 | 487 |
487 #endif | 488 #endif |
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