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

Issue 2147443004: Retract PipelineBuilder from GrClip::apply (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Appease some compilers Created 4 years, 5 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 "GrReducedClip.h" 10 #include "GrReducedClip.h"
11 #include "SkClipStack.h" 11 #include "SkClipStack.h"
12 #include "SkTypes.h" 12 #include "SkTypes.h"
13 13
14 class GrAppliedClip; 14 class GrAppliedClip;
15 class GrClipStackClip; 15 class GrClipStackClip;
16 class GrContext; 16 class GrContext;
17 class GrDrawContext; 17 class GrDrawContext;
18 class GrFixedClip;
19 class GrPathRenderer; 18 class GrPathRenderer;
20 class GrPathRendererChain;
21 class GrPipelineBuilder;
22 class GrResourceProvider;
23 class GrTexture; 19 class GrTexture;
24 class GrTextureProvider; 20 class GrTextureProvider;
25 class GrUniqueKey; 21 class GrUniqueKey;
26 struct GrUserStencilSettings;
27 22
28 23
29 /** 24 /**
30 * The clip mask creator handles the generation of the clip mask. If anti 25 * The clip mask creator handles the generation of the clip mask. If anti
31 * aliasing is requested it will (in the future) generate a single channel 26 * aliasing is requested it will (in the future) generate a single channel
32 * (8bit) mask. If no anti aliasing is requested it will generate a 1-bit 27 * (8bit) mask. If no anti aliasing is requested it will generate a 1-bit
33 * mask in the stencil buffer. In the non anti-aliasing case, if the clip 28 * mask in the stencil buffer. In the non anti-aliasing case, if the clip
34 * mask can be represented as a rectangle then scissoring is used. In all 29 * mask can be represented as a rectangle then scissoring is used. In all
35 * cases scissoring is used to bound the range of the clip mask. 30 * cases scissoring is used to bound the range of the clip mask.
36 */ 31 */
37 // This has to remain a class, for now, so it can be friended (by GrDrawContext & GrContext) 32 // This has to remain a class, for now, so it can be friended (by GrDrawContext & GrContext)
38 class GrClipMaskManager { 33 class GrClipMaskManager {
39 public: 34 public:
40 /** 35 /**
41 * Creates a clip mask if necessary as a stencil buffer or alpha texture 36 * Creates a clip mask if necessary as a stencil buffer or alpha texture
42 * and sets the GrGpu's scissor and stencil state. If the return is false 37 * and sets the GrGpu's scissor and stencil state. If the return is false
43 * then the draw can be skipped. devBounds is optional but can help optimize 38 * then the draw can be skipped. devBounds is optional but can help optimize
44 * clipping. 39 * clipping.
45 */ 40 */
46 static bool SetupClipping(GrContext*, const GrPipelineBuilder&, GrDrawContex t*, 41 static bool SetupClipping(GrContext*,
47 const GrClipStackClip&, const SkRect* devBounds, G rAppliedClip*); 42 GrDrawContext*,
43 const GrClipStackClip&,
44 const SkRect* devBounds,
45 bool useHWAA,
46 bool hasUserStencilSettings,
47 GrAppliedClip* out);
48 48
49 private: 49 private:
50 static bool PathNeedsSWRenderer(GrContext* context, 50 static bool PathNeedsSWRenderer(GrContext* context,
51 bool hasUserStencilSettings, 51 bool hasUserStencilSettings,
52 const GrDrawContext*, 52 const GrDrawContext*,
53 const SkMatrix& viewMatrix, 53 const SkMatrix& viewMatrix,
54 const SkClipStack::Element* element, 54 const SkClipStack::Element* element,
55 GrPathRenderer** prOut, 55 GrPathRenderer** prOut,
56 bool needsStencil); 56 bool needsStencil);
57 57
(...skipping 17 matching lines...) Expand all
75 75
76 // Similar to createAlphaClipMask but it rasterizes in SW and uploads to the result texture. 76 // Similar to createAlphaClipMask but it rasterizes in SW and uploads to the result texture.
77 static sk_sp<GrTexture> CreateSoftwareClipMask(GrTextureProvider*, 77 static sk_sp<GrTexture> CreateSoftwareClipMask(GrTextureProvider*,
78 int32_t elementsGenID, 78 int32_t elementsGenID,
79 GrReducedClip::InitialState i nitialState, 79 GrReducedClip::InitialState i nitialState,
80 const GrReducedClip::ElementL ist& elements, 80 const GrReducedClip::ElementL ist& elements,
81 const SkVector& clipToMaskOff set, 81 const SkVector& clipToMaskOff set,
82 const SkIRect& clipSpaceIBoun ds); 82 const SkIRect& clipSpaceIBoun ds);
83 83
84 static bool UseSWOnlyPath(GrContext*, 84 static bool UseSWOnlyPath(GrContext*,
85 const GrPipelineBuilder&, 85 bool hasUserStencilSettings,
86 const GrDrawContext*, 86 const GrDrawContext*,
87 const SkVector& clipToMaskOffset, 87 const SkVector& clipToMaskOffset,
88 const GrReducedClip::ElementList& elements); 88 const GrReducedClip::ElementList& elements);
89 89
90 static GrTexture* CreateCachedMask(int width, int height, const GrUniqueKey& key, 90 static GrTexture* CreateCachedMask(int width, int height, const GrUniqueKey& key,
91 bool renderTarget); 91 bool renderTarget);
92 }; 92 };
93 93
94 #endif // GrClipMaskManager_DEFINED 94 #endif // GrClipMaskManager_DEFINED
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