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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 "GrClipMaskCache.h" | 10 #include "GrClipMaskCache.h" |
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109 const SkIRect& clipSpaceIBounds); | 109 const SkIRect& clipSpaceIBounds); |
110 | 110 |
111 // Similar to createAlphaClipMask but it rasterizes in SW and uploads to the
result texture. | 111 // Similar to createAlphaClipMask but it rasterizes in SW and uploads to the
result texture. |
112 GrTexture* createSoftwareClipMask(int32_t elementsGenID, | 112 GrTexture* createSoftwareClipMask(int32_t elementsGenID, |
113 GrReducedClip::InitialState initialState, | 113 GrReducedClip::InitialState initialState, |
114 const GrReducedClip::ElementList& elements
, | 114 const GrReducedClip::ElementList& elements
, |
115 const SkVector& clipToMaskOffset, | 115 const SkVector& clipToMaskOffset, |
116 const SkIRect& clipSpaceIBounds); | 116 const SkIRect& clipSpaceIBounds); |
117 | 117 |
118 // Returns the cached mask texture if it matches the elementsGenID and the c
lipSpaceIBounds. | 118 // Returns the cached mask texture if it matches the elementsGenID and the c
lipSpaceIBounds. |
119 // Returns NULL if not found. | 119 // Returns nullptr if not found. |
120 GrTexture* getCachedMaskTexture(int32_t elementsGenID, const SkIRect& clipSp
aceIBounds); | 120 GrTexture* getCachedMaskTexture(int32_t elementsGenID, const SkIRect& clipSp
aceIBounds); |
121 | 121 |
122 // Handles allocation (if needed) of a clip alpha-mask texture for both the
sw-upload | 122 // Handles allocation (if needed) of a clip alpha-mask texture for both the
sw-upload |
123 // or gpu-rendered cases. | 123 // or gpu-rendered cases. |
124 GrTexture* allocMaskTexture(int32_t elementsGenID, | 124 GrTexture* allocMaskTexture(int32_t elementsGenID, |
125 const SkIRect& clipSpaceIBounds, | 125 const SkIRect& clipSpaceIBounds, |
126 bool willUpload); | 126 bool willUpload); |
127 | 127 |
128 bool useSWOnlyPath(const GrPipelineBuilder&, | 128 bool useSWOnlyPath(const GrPipelineBuilder&, |
129 const SkVector& clipToMaskOffset, | 129 const SkVector& clipToMaskOffset, |
130 const GrReducedClip::ElementList& elements); | 130 const GrReducedClip::ElementList& elements); |
131 | 131 |
132 // Draws a clip element into the target alpha mask. The caller should have a
lready setup the | 132 // Draws a clip element into the target alpha mask. The caller should have a
lready setup the |
133 // desired blend operation. Optionally if the caller already selected a path
renderer it can | 133 // desired blend operation. Optionally if the caller already selected a path
renderer it can |
134 // be passed. Otherwise the function will select one if the element is a pat
h. | 134 // be passed. Otherwise the function will select one if the element is a pat
h. |
135 bool drawElement(GrPipelineBuilder*, | 135 bool drawElement(GrPipelineBuilder*, |
136 const SkMatrix& viewMatrix, | 136 const SkMatrix& viewMatrix, |
137 GrTexture* target, | 137 GrTexture* target, |
138 const SkClipStack::Element*, | 138 const SkClipStack::Element*, |
139 GrPathRenderer* pr = NULL); | 139 GrPathRenderer* pr = nullptr); |
140 | 140 |
141 // Determines whether it is possible to draw the element to both the stencil
buffer and the | 141 // Determines whether it is possible to draw the element to both the stencil
buffer and the |
142 // alpha mask simultaneously. If so and the element is a path a compatible p
ath renderer is | 142 // alpha mask simultaneously. If so and the element is a path a compatible p
ath renderer is |
143 // also returned. | 143 // also returned. |
144 bool canStencilAndDrawElement(GrPipelineBuilder*, | 144 bool canStencilAndDrawElement(GrPipelineBuilder*, |
145 GrTexture* target, | 145 GrTexture* target, |
146 GrPathRenderer**, | 146 GrPathRenderer**, |
147 const SkClipStack::Element*); | 147 const SkClipStack::Element*); |
148 | 148 |
149 void mergeMask(GrPipelineBuilder*, | 149 void mergeMask(GrPipelineBuilder*, |
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183 kAlpha_ClipMaskType, | 183 kAlpha_ClipMaskType, |
184 } fCurrClipMaskType; | 184 } fCurrClipMaskType; |
185 | 185 |
186 GrClipMaskCache fAACache; // cache for the AA path | 186 GrClipMaskCache fAACache; // cache for the AA path |
187 GrClipTarget* fClipTarget; // This is our owning clip target. | 187 GrClipTarget* fClipTarget; // This is our owning clip target. |
188 StencilClipMode fClipMode; | 188 StencilClipMode fClipMode; |
189 | 189 |
190 typedef SkNoncopyable INHERITED; | 190 typedef SkNoncopyable INHERITED; |
191 }; | 191 }; |
192 #endif // GrClipMaskManager_DEFINED | 192 #endif // GrClipMaskManager_DEFINED |
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