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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 |
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28 | 28 |
29 class GrClipData; | 29 class GrClipData; |
30 class GrDrawTargetCaps; | 30 class GrDrawTargetCaps; |
31 class GrPath; | 31 class GrPath; |
32 class GrPathRange; | 32 class GrPathRange; |
33 | 33 |
34 class GrDrawTarget : public SkRefCnt { | 34 class GrDrawTarget : public SkRefCnt { |
35 public: | 35 public: |
36 SK_DECLARE_INST_COUNT(GrDrawTarget) | 36 SK_DECLARE_INST_COUNT(GrDrawTarget) |
37 | 37 |
38 typedef GrPathRendering::PathTransformType PathTransformType ; | 38 typedef GrPathRange::PathIndexType PathIndexType; |
| 39 typedef GrPathRendering::PathTransformType PathTransformType; |
39 | 40 |
40 /////////////////////////////////////////////////////////////////////////// | 41 /////////////////////////////////////////////////////////////////////////// |
41 | 42 |
42 // The context may not be fully constructed and should not be used during Gr
DrawTarget | 43 // The context may not be fully constructed and should not be used during Gr
DrawTarget |
43 // construction. | 44 // construction. |
44 GrDrawTarget(GrContext* context); | 45 GrDrawTarget(GrContext* context); |
45 virtual ~GrDrawTarget(); | 46 virtual ~GrDrawTarget(); |
46 | 47 |
47 /** | 48 /** |
48 * Gets the capabilities of the draw target. | 49 * Gets the capabilities of the draw target. |
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272 */ | 273 */ |
273 void stencilPath(GrDrawState*, const GrPath*, GrPathRendering::FillType fill
); | 274 void stencilPath(GrDrawState*, const GrPath*, GrPathRendering::FillType fill
); |
274 | 275 |
275 /** | 276 /** |
276 * Draws a path. Fill must not be a hairline. It will respect the HW | 277 * Draws a path. Fill must not be a hairline. It will respect the HW |
277 * antialias flag on the draw state (if possible in the 3D API). | 278 * antialias flag on the draw state (if possible in the 3D API). |
278 */ | 279 */ |
279 void drawPath(GrDrawState*, const GrPath*, GrPathRendering::FillType fill); | 280 void drawPath(GrDrawState*, const GrPath*, GrPathRendering::FillType fill); |
280 | 281 |
281 /** | 282 /** |
282 * Draws many paths. It will respect the HW | 283 * Draws the aggregate path from combining multiple. Note that this will not |
283 * antialias flag on the draw state (if possible in the 3D API). | 284 * always be equivalent to back-to-back calls to drawPath(). It will respect |
| 285 * the HW antialias flag on the draw state (if possible in the 3D API). |
284 * | 286 * |
285 * @param pathRange Source of paths to draw from | 287 * @param pathRange Source paths to draw from |
286 * @param indices Array of indices into the the pathRange | 288 * @param indices Array of path indices to draw |
287 * @param count Number of paths to draw (length of indices array) | 289 * @param indexType Data type of the array elements in indexBuffer |
288 * @param transforms Array of individual transforms, one for each path | 290 * @param transformValues Array of transforms for the individual paths |
289 * @param transformsType Type of transformations in the array. Array contai
ns | 291 * @param transformType Type of transforms in transformBuffer |
290 PathTransformSize(transformsType) * count elements | 292 * @param count Number of paths to draw |
291 * @param fill Fill type for drawing all the paths | 293 * @param fill Fill type for drawing all the paths |
292 */ | 294 */ |
293 void drawPaths(GrDrawState*, const GrPathRange* pathRange, | 295 void drawPaths(GrDrawState*, const GrPathRange* pathRange, |
294 const uint32_t indices[], | 296 const void* indices, |
| 297 PathIndexType indexType, |
| 298 const float transformValues[], |
| 299 PathTransformType transformType, |
295 int count, | 300 int count, |
296 const float transforms[], | |
297 PathTransformType transformsType, | |
298 GrPathRendering::FillType fill); | 301 GrPathRendering::FillType fill); |
299 | 302 |
300 /** | 303 /** |
301 * Helper function for drawing rects. It performs a geometry src push and po
p | 304 * Helper function for drawing rects. It performs a geometry src push and po
p |
302 * and thus will finalize any reserved geometry. | 305 * and thus will finalize any reserved geometry. |
303 * | 306 * |
304 * @param rect the rect to draw | 307 * @param rect the rect to draw |
305 * @param localRect optional rect that specifies local coords to map onto | 308 * @param localRect optional rect that specifies local coords to map onto |
306 * rect. If NULL then rect serves as the local coords. | 309 * rect. If NULL then rect serves as the local coords. |
307 * @param localMatrix optional matrix applied to localRect. If | 310 * @param localMatrix optional matrix applied to localRect. If |
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697 const GrPath*, | 700 const GrPath*, |
698 const GrClipMaskManager::ScissorState&, | 701 const GrClipMaskManager::ScissorState&, |
699 const GrStencilSettings&) = 0; | 702 const GrStencilSettings&) = 0; |
700 virtual void onDrawPath(const GrDrawState&, | 703 virtual void onDrawPath(const GrDrawState&, |
701 const GrPath*, | 704 const GrPath*, |
702 const GrClipMaskManager::ScissorState&, | 705 const GrClipMaskManager::ScissorState&, |
703 const GrStencilSettings&, | 706 const GrStencilSettings&, |
704 const GrDeviceCoordTexture* dstCopy) = 0; | 707 const GrDeviceCoordTexture* dstCopy) = 0; |
705 virtual void onDrawPaths(const GrDrawState&, | 708 virtual void onDrawPaths(const GrDrawState&, |
706 const GrPathRange*, | 709 const GrPathRange*, |
707 const uint32_t indices[], | 710 const void* indices, |
| 711 PathIndexType, |
| 712 const float transformValues[], |
| 713 PathTransformType, |
708 int count, | 714 int count, |
709 const float transforms[], | |
710 PathTransformType, | |
711 const GrClipMaskManager::ScissorState&, | 715 const GrClipMaskManager::ScissorState&, |
712 const GrStencilSettings&, | 716 const GrStencilSettings&, |
713 const GrDeviceCoordTexture*) = 0; | 717 const GrDeviceCoordTexture*) = 0; |
714 | 718 |
715 virtual void onClear(const SkIRect* rect, GrColor color, bool canIgnoreRect, | 719 virtual void onClear(const SkIRect* rect, GrColor color, bool canIgnoreRect, |
716 GrRenderTarget* renderTarget) = 0; | 720 GrRenderTarget* renderTarget) = 0; |
717 | 721 |
718 | 722 |
719 // helpers for reserving vertex and index space. | 723 // helpers for reserving vertex and index space. |
720 bool reserveVertexSpace(size_t vertexSize, | 724 bool reserveVertexSpace(size_t vertexSize, |
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803 virtual bool setupClip(const SkRect* devBounds, | 807 virtual bool setupClip(const SkRect* devBounds, |
804 GrDrawState::AutoRestoreEffects* are, | 808 GrDrawState::AutoRestoreEffects* are, |
805 GrDrawState::AutoRestoreStencil* ars, | 809 GrDrawState::AutoRestoreStencil* ars, |
806 GrDrawState*, | 810 GrDrawState*, |
807 GrClipMaskManager::ScissorState* scissorState) SK_OVE
RRIDE; | 811 GrClipMaskManager::ScissorState* scissorState) SK_OVE
RRIDE; |
808 | 812 |
809 typedef GrDrawTarget INHERITED; | 813 typedef GrDrawTarget INHERITED; |
810 }; | 814 }; |
811 | 815 |
812 #endif | 816 #endif |
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