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

Issue 1966903004: Remove clip from GrPipelineBuilder (Closed) Base URL: https://skia.googlesource.com/skia.git@fix2_nvpr
Patch Set: Created 4 years, 7 months ago
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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"
11 #include "GrReducedClip.h" 11 #include "GrReducedClip.h"
12 #include "GrTexture.h" 12 #include "GrTexture.h"
13 #include "SkClipStack.h" 13 #include "SkClipStack.h"
14 #include "SkDeque.h" 14 #include "SkDeque.h"
15 #include "SkPath.h" 15 #include "SkPath.h"
16 #include "SkRefCnt.h" 16 #include "SkRefCnt.h"
17 #include "SkTLList.h" 17 #include "SkTLList.h"
18 #include "SkTypes.h" 18 #include "SkTypes.h"
19 19
20 class GrClip;
20 class GrDrawTarget; 21 class GrDrawTarget;
21 class GrPathRenderer; 22 class GrPathRenderer;
22 class GrPathRendererChain; 23 class GrPathRendererChain;
23 class GrResourceProvider; 24 class GrResourceProvider;
24 class GrTexture; 25 class GrTexture;
25 class SkPath; 26 class SkPath;
26 27
27 /** 28 /**
28 * Produced by GrClipMaskManager. It provides a set of modifications to the draw ing state that 29 * 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 30 * are used to create the final GrPipeline for a GrBatch. This is a work in prog ress. It will
(...skipping 19 matching lines...) Expand all
49 /** 50 /**
50 * The clip mask creator handles the generation of the clip mask. If anti 51 * The clip mask creator handles the generation of the clip mask. If anti
51 * aliasing is requested it will (in the future) generate a single channel 52 * aliasing is requested it will (in the future) generate a single channel
52 * (8bit) mask. If no anti aliasing is requested it will generate a 1-bit 53 * (8bit) mask. If no anti aliasing is requested it will generate a 1-bit
53 * mask in the stencil buffer. In the non anti-aliasing case, if the clip 54 * mask in the stencil buffer. In the non anti-aliasing case, if the clip
54 * mask can be represented as a rectangle then scissoring is used. In all 55 * mask can be represented as a rectangle then scissoring is used. In all
55 * cases scissoring is used to bound the range of the clip mask. 56 * cases scissoring is used to bound the range of the clip mask.
56 */ 57 */
57 class GrClipMaskManager : SkNoncopyable { 58 class GrClipMaskManager : SkNoncopyable {
58 public: 59 public:
59 GrClipMaskManager(GrDrawTarget* owner, bool debugClipBatchToBounds); 60 GrClipMaskManager(GrDrawTarget* owner);
60 61
61 /** 62 /**
62 * Creates a clip mask if necessary as a stencil buffer or alpha texture 63 * Creates a clip mask if necessary as a stencil buffer or alpha texture
63 * and sets the GrGpu's scissor and stencil state. If the return is false 64 * and sets the GrGpu's scissor and stencil state. If the return is false
64 * then the draw can be skipped. devBounds is optional but can help optimize 65 * then the draw can be skipped. devBounds is optional but can help optimize
65 * clipping. 66 * clipping.
66 */ 67 */
67 bool setupClipping(const GrPipelineBuilder&, const SkRect* devBounds, GrAppl iedClip*); 68 bool setupClipping(const GrPipelineBuilder&, const GrClip&, const SkRect* de vBounds,
68 69 GrAppliedClip*);
69 bool setupScissorClip(const GrPipelineBuilder& pipelineBuilder,
70 const SkIRect& scissor,
71 const SkRect* devBounds,
72 GrAppliedClip* out);
73 70
74 private: 71 private:
75 inline GrContext* getContext(); 72 inline GrContext* getContext();
76 inline const GrCaps* caps() const; 73 inline const GrCaps* caps() const;
77 inline GrResourceProvider* resourceProvider(); 74 inline GrResourceProvider* resourceProvider();
78 75
79 static bool PathNeedsSWRenderer(GrContext* context, 76 static bool PathNeedsSWRenderer(GrContext* context,
80 bool hasUserStencilSettings, 77 bool hasUserStencilSettings,
81 const GrRenderTarget* rt, 78 const GrRenderTarget* rt,
82 const SkMatrix& viewMatrix, 79 const SkMatrix& viewMatrix,
(...skipping 60 matching lines...) Expand 10 before | Expand all | Expand 10 after
143 const GrRenderTarget* rt, 140 const GrRenderTarget* rt,
144 const SkVector& clipToMaskOffset, 141 const SkVector& clipToMaskOffset,
145 const GrReducedClip::ElementList& elements); 142 const GrReducedClip::ElementList& elements);
146 143
147 GrTexture* createCachedMask(int width, int height, const GrUniqueKey& key, b ool renderTarget); 144 GrTexture* createCachedMask(int width, int height, const GrUniqueKey& key, b ool renderTarget);
148 145
149 static const int kMaxAnalyticElements = 4; 146 static const int kMaxAnalyticElements = 4;
150 147
151 GrDrawTarget* fDrawTarget; // This is our owning draw target. 148 GrDrawTarget* fDrawTarget; // This is our owning draw target.
152 StencilClipMode fClipMode; 149 StencilClipMode fClipMode;
153 bool fDebugClipBatchToBounds;
154 150
155 typedef SkNoncopyable INHERITED; 151 typedef SkNoncopyable INHERITED;
156 }; 152 };
157 #endif // GrClipMaskManager_DEFINED 153 #endif // GrClipMaskManager_DEFINED
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