Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(573)

Side by Side Diff: src/gpu/GrClipMaskManager.h

Issue 1385233002: Move scissor state to GrAppliedClip (Closed) Base URL: https://skia.googlesource.com/skia.git@enum
Patch Set: rebase Created 5 years, 1 month ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « no previous file | src/gpu/GrClipMaskManager.cpp » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 /* 1 /*
2 * Copyright 2012 Google Inc. 2 * Copyright 2012 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 #ifndef GrClipMaskManager_DEFINED 7 #ifndef GrClipMaskManager_DEFINED
8 #define GrClipMaskManager_DEFINED 8 #define GrClipMaskManager_DEFINED
9 9
10 #include "GrPipelineBuilder.h" 10 #include "GrPipelineBuilder.h"
(...skipping 16 matching lines...) Expand all
27 /** 27 /**
28 * Produced by GrClipMaskManager. It provides a set of modifications to the draw ing state that 28 * Produced by GrClipMaskManager. It provides a set of modifications to the draw ing state that
29 * are used to create the final GrPipeline for a GrBatch. This is a work in prog ress. It will 29 * are used to create the final GrPipeline for a GrBatch. This is a work in prog ress. It will
30 * eventually encapsulate all mechanisms for modifying the scissor, shaders, and stencil state 30 * eventually encapsulate all mechanisms for modifying the scissor, shaders, and stencil state
31 * to implement clipping. 31 * to implement clipping.
32 */ 32 */
33 class GrAppliedClip : public SkNoncopyable { 33 class GrAppliedClip : public SkNoncopyable {
34 public: 34 public:
35 GrAppliedClip() {} 35 GrAppliedClip() {}
36 const GrFragmentProcessor* clipCoverageFragmentProcessor() const { return fC lipCoverageFP; } 36 const GrFragmentProcessor* clipCoverageFragmentProcessor() const { return fC lipCoverageFP; }
37 const GrScissorState& scissorState() const { return fScissorState; }
37 38
38 private: 39 private:
39 SkAutoTUnref<const GrFragmentProcessor> fClipCoverageFP; 40 SkAutoTUnref<const GrFragmentProcessor> fClipCoverageFP;
41 GrScissorState fScissorState;
40 friend class GrClipMaskManager; 42 friend class GrClipMaskManager;
41 43
42 typedef SkNoncopyable INHERITED; 44 typedef SkNoncopyable INHERITED;
43 }; 45 };
44 46
45 /** 47 /**
46 * The clip mask creator handles the generation of the clip mask. If anti 48 * The clip mask creator handles the generation of the clip mask. If anti
47 * aliasing is requested it will (in the future) generate a single channel 49 * aliasing is requested it will (in the future) generate a single channel
48 * (8bit) mask. If no anti aliasing is requested it will generate a 1-bit 50 * (8bit) mask. If no anti aliasing is requested it will generate a 1-bit
49 * mask in the stencil buffer. In the non anti-aliasing case, if the clip 51 * mask in the stencil buffer. In the non anti-aliasing case, if the clip
50 * mask can be represented as a rectangle then scissoring is used. In all 52 * mask can be represented as a rectangle then scissoring is used. In all
51 * cases scissoring is used to bound the range of the clip mask. 53 * cases scissoring is used to bound the range of the clip mask.
52 */ 54 */
53 class GrClipMaskManager : SkNoncopyable { 55 class GrClipMaskManager : SkNoncopyable {
54 public: 56 public:
55 GrClipMaskManager(GrDrawTarget* owner); 57 GrClipMaskManager(GrDrawTarget* owner);
56 58
57 /** 59 /**
58 * Creates a clip mask if necessary as a stencil buffer or alpha texture 60 * Creates a clip mask if necessary as a stencil buffer or alpha texture
59 * and sets the GrGpu's scissor and stencil state. If the return is false 61 * and sets the GrGpu's scissor and stencil state. If the return is false
60 * then the draw can be skipped. The AutoRestoreEffects is initialized by 62 * then the draw can be skipped. The AutoRestoreEffects is initialized by
61 * the manager when it must install additional effects to implement the 63 * the manager when it must install additional effects to implement the
62 * clip. devBounds is optional but can help optimize clipping. 64 * clip. devBounds is optional but can help optimize clipping.
63 */ 65 */
64 bool setupClipping(const GrPipelineBuilder&, 66 bool setupClipping(const GrPipelineBuilder&,
65 GrPipelineBuilder::AutoRestoreStencil*, 67 GrPipelineBuilder::AutoRestoreStencil*,
66 GrScissorState*,
67 const SkRect* devBounds, 68 const SkRect* devBounds,
68 GrAppliedClip*); 69 GrAppliedClip*);
69 70
70 void adjustPathStencilParams(const GrStencilAttachment*, GrStencilSettings*) ; 71 void adjustPathStencilParams(const GrStencilAttachment*, GrStencilSettings*) ;
71 72
72 private: 73 private:
73 inline GrContext* getContext(); 74 inline GrContext* getContext();
74 75
75 /** 76 /**
76 * Informs the helper function adjustStencilParams() about how the stencil 77 * Informs the helper function adjustStencilParams() about how the stencil
(...skipping 91 matching lines...) Expand 10 before | Expand all | Expand 10 after
168 GrTexture* createCachedMask(int width, int height, const GrUniqueKey& key, b ool renderTarget); 169 GrTexture* createCachedMask(int width, int height, const GrUniqueKey& key, b ool renderTarget);
169 170
170 static const int kMaxAnalyticElements = 4; 171 static const int kMaxAnalyticElements = 4;
171 172
172 GrDrawTarget* fDrawTarget; // This is our owning draw target. 173 GrDrawTarget* fDrawTarget; // This is our owning draw target.
173 StencilClipMode fClipMode; 174 StencilClipMode fClipMode;
174 175
175 typedef SkNoncopyable INHERITED; 176 typedef SkNoncopyable INHERITED;
176 }; 177 };
177 #endif // GrClipMaskManager_DEFINED 178 #endif // GrClipMaskManager_DEFINED
OLDNEW
« no previous file with comments | « no previous file | src/gpu/GrClipMaskManager.cpp » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698