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1 /* | 1 /* |
2 * Copyright 2010 Google Inc. | 2 * Copyright 2010 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 GrDrawTarget_DEFINED | 8 #ifndef GrDrawTarget_DEFINED |
9 #define GrDrawTarget_DEFINED | 9 #define GrDrawTarget_DEFINED |
10 | 10 |
11 #include "GrClipData.h" | 11 #include "GrClipData.h" |
12 #include "GrContext.h" | 12 #include "GrContext.h" |
13 #include "GrDrawState.h" | 13 #include "GrDrawState.h" |
14 #include "GrIndexBuffer.h" | 14 #include "GrIndexBuffer.h" |
15 #include "GrTraceMarker.h" | 15 #include "GrTraceMarker.h" |
16 | 16 |
17 #include "SkClipStack.h" | 17 #include "SkClipStack.h" |
18 #include "SkMatrix.h" | 18 #include "SkMatrix.h" |
19 #include "SkPath.h" | 19 #include "SkPath.h" |
20 #include "SkStrokeRec.h" | 20 #include "SkStrokeRec.h" |
21 #include "SkTArray.h" | 21 #include "SkTArray.h" |
22 #include "SkTLazy.h" | 22 #include "SkTLazy.h" |
23 #include "SkTypes.h" | 23 #include "SkTypes.h" |
24 #include "SkXfermode.h" | 24 #include "SkXfermode.h" |
25 | 25 |
26 class GrClipData; | 26 class GrClipData; |
27 class GrDrawTargetCaps; | 27 class GrDrawTargetCaps; |
28 class GrPath; | 28 class GrPath; |
29 class GrPathRange; | |
29 class GrVertexBuffer; | 30 class GrVertexBuffer; |
30 | 31 |
31 class GrDrawTarget : public SkRefCnt { | 32 class GrDrawTarget : public SkRefCnt { |
32 protected: | 33 protected: |
33 class DrawInfo; | 34 class DrawInfo; |
34 | 35 |
35 public: | 36 public: |
36 SK_DECLARE_INST_COUNT(GrDrawTarget) | 37 SK_DECLARE_INST_COUNT(GrDrawTarget) |
37 | 38 |
38 /////////////////////////////////////////////////////////////////////////// | 39 /////////////////////////////////////////////////////////////////////////// |
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342 /** | 343 /** |
343 * Draws a path. Fill must not be a hairline. It will respect the HW | 344 * Draws a path. Fill must not be a hairline. It will respect the HW |
344 * antialias flag on the draw state (if possible in the 3D API). | 345 * antialias flag on the draw state (if possible in the 3D API). |
345 */ | 346 */ |
346 void drawPath(const GrPath*, SkPath::FillType fill); | 347 void drawPath(const GrPath*, SkPath::FillType fill); |
347 | 348 |
348 /** | 349 /** |
349 * Draws many paths. It will respect the HW | 350 * Draws many paths. It will respect the HW |
350 * antialias flag on the draw state (if possible in the 3D API). | 351 * antialias flag on the draw state (if possible in the 3D API). |
351 * | 352 * |
352 * @param transforms array of 2d affine transformations, one for each path. | 353 * @param pathRange Source of paths to draw from |
353 * @param fill the fill type for drawing all the paths. Fill must not be a | 354 * @param indices Array of indices into the the pathRange |
354 * hairline. | 355 * @param count Number of paths to draw (length of indices array) |
355 * @param stroke the stroke for drawing all the paths. | 356 * @param transforms Array of individual transforms, one for each path |
357 * @param transformsType Type of transformations in the array. Array contai ns | |
358 PathTransformSize(transformsType) × count elements | |
Nico
2014/08/12 04:20:21
Can you replace this with ascii please? On some lo
| |
359 * @param fill Fill type for drawing all the paths | |
356 */ | 360 */ |
357 void drawPaths(int pathCount, const GrPath** paths, | 361 enum PathTransformType { |
358 const SkMatrix* transforms, SkPath::FillType fill, | 362 kNone_PathTransformType, //!< [] |
359 SkStrokeRec::Style stroke); | 363 kTranslateX_PathTransformType, //!< [kMTransX] |
364 kTranslateY_PathTransformType, //!< [kMTransY] | |
365 kTranslate_PathTransformType, //!< [kMTransX, kMTransY] | |
366 kAffine_PathTransformType, //!< [kMScaleX, kMSkewX, kMTransX, kMSke wY, kMScaleY, kMTransY] | |
367 | |
368 kLast_PathTransformType = kAffine_PathTransformType | |
369 }; | |
370 void drawPaths(const GrPathRange* pathRange, | |
371 const uint32_t indices[], int count, | |
372 const float transforms[], PathTransformType transformsType, | |
373 SkPath::FillType fill); | |
374 | |
375 static inline int PathTransformSize(PathTransformType type) { | |
376 switch (type) { | |
377 case kNone_PathTransformType: | |
378 return 0; | |
379 case kTranslateX_PathTransformType: | |
380 case kTranslateY_PathTransformType: | |
381 return 1; | |
382 case kTranslate_PathTransformType: | |
383 return 2; | |
384 case kAffine_PathTransformType: | |
385 return 6; | |
386 | |
387 default: | |
388 SkFAIL("Unknown path transform type"); | |
389 return 0; | |
390 } | |
391 } | |
360 | 392 |
361 /** | 393 /** |
362 * Helper function for drawing rects. It performs a geometry src push and po p | 394 * Helper function for drawing rects. It performs a geometry src push and po p |
363 * and thus will finalize any reserved geometry. | 395 * and thus will finalize any reserved geometry. |
364 * | 396 * |
365 * @param rect the rect to draw | 397 * @param rect the rect to draw |
366 * @param matrix optional matrix applied to rect (before viewMatrix) | 398 * @param matrix optional matrix applied to rect (before viewMatrix) |
367 * @param localRect optional rect that specifies local coords to map onto | 399 * @param localRect optional rect that specifies local coords to map onto |
368 * rect. If NULL then rect serves as the local coords. | 400 * rect. If NULL then rect serves as the local coords. |
369 * @param localMatrix optional matrix applied to localRect. If | 401 * @param localMatrix optional matrix applied to localRect. If |
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509 * For subclass internal use to invoke a call to onDrawPath(). | 541 * For subclass internal use to invoke a call to onDrawPath(). |
510 */ | 542 */ |
511 void executeDrawPath(const GrPath* path, SkPath::FillType fill, | 543 void executeDrawPath(const GrPath* path, SkPath::FillType fill, |
512 const GrDeviceCoordTexture* dstCopy) { | 544 const GrDeviceCoordTexture* dstCopy) { |
513 this->onDrawPath(path, fill, dstCopy); | 545 this->onDrawPath(path, fill, dstCopy); |
514 } | 546 } |
515 | 547 |
516 /** | 548 /** |
517 * For subclass internal use to invoke a call to onDrawPaths(). | 549 * For subclass internal use to invoke a call to onDrawPaths(). |
518 */ | 550 */ |
519 void executeDrawPaths(int pathCount, const GrPath** paths, | 551 void executeDrawPaths(const GrPathRange* pathRange, |
520 const SkMatrix* transforms, SkPath::FillType fill, | 552 const uint32_t indices[], int count, |
521 SkStrokeRec::Style stroke, | 553 const float transforms[], PathTransformType transforms Type, |
554 SkPath::FillType fill, | |
522 const GrDeviceCoordTexture* dstCopy) { | 555 const GrDeviceCoordTexture* dstCopy) { |
523 this->onDrawPaths(pathCount, paths, transforms, fill, stroke, dstCopy); | 556 this->onDrawPaths(pathRange, indices, count, transforms, transformsType, fill, dstCopy); |
524 } | 557 } |
525 | 558 |
526 inline bool isGpuTracingEnabled() const { | 559 inline bool isGpuTracingEnabled() const { |
527 return this->getContext()->isGpuTracingEnabled(); | 560 return this->getContext()->isGpuTracingEnabled(); |
528 } | 561 } |
529 | 562 |
530 //////////////////////////////////////////////////////////////////////////// | 563 //////////////////////////////////////////////////////////////////////////// |
531 | 564 |
532 /** | 565 /** |
533 * See AutoStateRestore below. | 566 * See AutoStateRestore below. |
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902 // drawIndexedInstances, ...). The base class draws a two triangle fan using | 935 // drawIndexedInstances, ...). The base class draws a two triangle fan using |
903 // drawNonIndexed from reserved vertex space. | 936 // drawNonIndexed from reserved vertex space. |
904 virtual void onDrawRect(const SkRect& rect, | 937 virtual void onDrawRect(const SkRect& rect, |
905 const SkMatrix* matrix, | 938 const SkMatrix* matrix, |
906 const SkRect* localRect, | 939 const SkRect* localRect, |
907 const SkMatrix* localMatrix); | 940 const SkMatrix* localMatrix); |
908 | 941 |
909 virtual void onStencilPath(const GrPath*, SkPath::FillType) = 0; | 942 virtual void onStencilPath(const GrPath*, SkPath::FillType) = 0; |
910 virtual void onDrawPath(const GrPath*, SkPath::FillType, | 943 virtual void onDrawPath(const GrPath*, SkPath::FillType, |
911 const GrDeviceCoordTexture* dstCopy) = 0; | 944 const GrDeviceCoordTexture* dstCopy) = 0; |
912 virtual void onDrawPaths(int, const GrPath**, const SkMatrix*, | 945 virtual void onDrawPaths(const GrPathRange*, |
913 SkPath::FillType, SkStrokeRec::Style, | 946 const uint32_t indices[], int count, |
914 const GrDeviceCoordTexture* dstCopy) = 0; | 947 const float transforms[], PathTransformType, |
948 SkPath::FillType, const GrDeviceCoordTexture*) = 0; | |
915 | 949 |
916 virtual void didAddGpuTraceMarker() = 0; | 950 virtual void didAddGpuTraceMarker() = 0; |
917 virtual void didRemoveGpuTraceMarker() = 0; | 951 virtual void didRemoveGpuTraceMarker() = 0; |
918 | 952 |
919 // helpers for reserving vertex and index space. | 953 // helpers for reserving vertex and index space. |
920 bool reserveVertexSpace(size_t vertexSize, | 954 bool reserveVertexSpace(size_t vertexSize, |
921 int vertexCount, | 955 int vertexCount, |
922 void** vertices); | 956 void** vertices); |
923 bool reserveIndexSpace(int indexCount, void** indices); | 957 bool reserveIndexSpace(int indexCount, void** indices); |
924 | 958 |
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952 GrContext* fContext; | 986 GrContext* fContext; |
953 // To keep track that we always have at least as many debug marker adds as r emoves | 987 // To keep track that we always have at least as many debug marker adds as r emoves |
954 int fGpuTraceMar kerCount; | 988 int fGpuTraceMar kerCount; |
955 GrTraceMarkerSet fActiveTrace Markers; | 989 GrTraceMarkerSet fActiveTrace Markers; |
956 GrTraceMarkerSet fStoredTrace Markers; | 990 GrTraceMarkerSet fStoredTrace Markers; |
957 | 991 |
958 typedef SkRefCnt INHERITED; | 992 typedef SkRefCnt INHERITED; |
959 }; | 993 }; |
960 | 994 |
961 #endif | 995 #endif |
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