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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 |
11 #include "GrPipelineBuilder.h" | 11 #include "GrPipelineBuilder.h" |
12 #include "GrProgramDesc.h" | 12 #include "GrProgramDesc.h" |
13 #include "GrStencil.h" | 13 #include "GrStencil.h" |
14 #include "GrSwizzle.h" | 14 #include "GrSwizzle.h" |
| 15 #include "GrAllocator.h" |
15 #include "GrTextureParamsAdjuster.h" | 16 #include "GrTextureParamsAdjuster.h" |
16 #include "GrTypes.h" | 17 #include "GrTypes.h" |
17 #include "GrXferProcessor.h" | 18 #include "GrXferProcessor.h" |
18 #include "SkPath.h" | 19 #include "SkPath.h" |
19 #include "SkTArray.h" | 20 #include "SkTArray.h" |
20 | 21 |
21 class GrBatchTracker; | 22 class GrBatchTracker; |
22 class GrContext; | 23 class GrContext; |
23 class GrGLContext; | 24 class GrGLContext; |
24 class GrIndexBuffer; | 25 class GrIndexBuffer; |
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358 | 359 |
359 // Called to perform a surface to surface copy. Fallbacks to issuing a draw
from the src to dst | 360 // Called to perform a surface to surface copy. Fallbacks to issuing a draw
from the src to dst |
360 // take place at the GrDrawTarget level and this function implement faster c
opy paths. The rect | 361 // take place at the GrDrawTarget level and this function implement faster c
opy paths. The rect |
361 // and point are pre-clipped. The src rect and implied dst rect are guarante
ed to be within the | 362 // and point are pre-clipped. The src rect and implied dst rect are guarante
ed to be within the |
362 // src/dst bounds and non-empty. | 363 // src/dst bounds and non-empty. |
363 bool copySurface(GrSurface* dst, | 364 bool copySurface(GrSurface* dst, |
364 GrSurface* src, | 365 GrSurface* src, |
365 const SkIRect& srcRect, | 366 const SkIRect& srcRect, |
366 const SkIPoint& dstPoint); | 367 const SkIPoint& dstPoint); |
367 | 368 |
| 369 struct MultisampleSpecs { |
| 370 // Nonzero ID that uniquely identifies these multisample specs. |
| 371 uint8_t fUniqueID; |
| 372 // The actual number of samples the GPU will run. NOTE: this value can b
e greater than the |
| 373 // the render target's sample count. |
| 374 int fEffectiveSampleCnt; |
| 375 // If sample locations are supported, contains the subpixel locations at
which the GPU will |
| 376 // sample. Pixel center is at (.5, .5) and (0, 0) indicates the top left
corner. |
| 377 SkAutoTDeleteArray<const SkPoint> fSampleLocations; |
| 378 }; |
| 379 |
| 380 // Finds a render target's multisample specs. The stencil settings are only
needed to flush the |
| 381 // draw state prior to querying multisample information; they should not hav
e any effect on the |
| 382 // multisample information itself. |
| 383 const MultisampleSpecs& getMultisampleSpecs(GrRenderTarget*, const GrStencil
Settings&); |
| 384 |
368 struct DrawArgs { | 385 struct DrawArgs { |
369 DrawArgs(const GrPrimitiveProcessor* primProc, | 386 DrawArgs(const GrPrimitiveProcessor* primProc, |
370 const GrPipeline* pipeline, | 387 const GrPipeline* pipeline, |
371 const GrProgramDesc* desc) | 388 const GrProgramDesc* desc) |
372 : fPrimitiveProcessor(primProc) | 389 : fPrimitiveProcessor(primProc) |
373 , fPipeline(pipeline) | 390 , fPipeline(pipeline) |
374 , fDesc(desc) { | 391 , fDesc(desc) { |
375 SkASSERT(primProc && pipeline && desc); | 392 SkASSERT(primProc && pipeline && desc); |
376 } | 393 } |
377 const GrPrimitiveProcessor* fPrimitiveProcessor; | 394 const GrPrimitiveProcessor* fPrimitiveProcessor; |
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594 | 611 |
595 // overridden by backend-specific derived class to perform the resolve | 612 // overridden by backend-specific derived class to perform the resolve |
596 virtual void onResolveRenderTarget(GrRenderTarget* target) = 0; | 613 virtual void onResolveRenderTarget(GrRenderTarget* target) = 0; |
597 | 614 |
598 // overridden by backend specific derived class to perform the copy surface | 615 // overridden by backend specific derived class to perform the copy surface |
599 virtual bool onCopySurface(GrSurface* dst, | 616 virtual bool onCopySurface(GrSurface* dst, |
600 GrSurface* src, | 617 GrSurface* src, |
601 const SkIRect& srcRect, | 618 const SkIRect& srcRect, |
602 const SkIPoint& dstPoint) = 0; | 619 const SkIPoint& dstPoint) = 0; |
603 | 620 |
| 621 // overridden by backend specific derived class to perform the multisample q
ueries |
| 622 virtual void onGetMultisampleSpecs(GrRenderTarget*, |
| 623 const GrStencilSettings&, |
| 624 int* effectiveSampleCnt, |
| 625 SkAutoTDeleteArray<SkPoint>* sampleLocati
ons) = 0; |
| 626 |
604 void resetContext() { | 627 void resetContext() { |
605 this->onResetContext(fResetBits); | 628 this->onResetContext(fResetBits); |
606 fResetBits = 0; | 629 fResetBits = 0; |
607 ++fResetTimestamp; | 630 ++fResetTimestamp; |
608 } | 631 } |
609 | 632 |
610 ResetTimestamp fResetTi
mestamp; | 633 ResetTimestamp fResetTi
mestamp; |
611 uint32_t fResetBi
ts; | 634 uint32_t fResetBi
ts; |
| 635 SkTArray<const MultisampleSpecs*, true> fMultisa
mpleSpecsMap; |
| 636 GrTAllocator<MultisampleSpecs> fMultisa
mpleSpecsAllocator; |
612 // The context owns us, not vice-versa, so this ptr is not ref'ed by Gpu. | 637 // The context owns us, not vice-versa, so this ptr is not ref'ed by Gpu. |
613 GrContext* fContext
; | 638 GrContext* fContext
; |
614 | 639 |
615 friend class GrPathRendering; | 640 friend class GrPathRendering; |
616 typedef SkRefCnt INHERITED; | 641 typedef SkRefCnt INHERITED; |
617 }; | 642 }; |
618 | 643 |
619 #endif | 644 #endif |
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