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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" |
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126 | 126 |
127 // Draws a clip element into the target alpha mask. The caller should have a
lready setup the | 127 // Draws a clip element into the target alpha mask. The caller should have a
lready setup the |
128 // desired blend operation. Optionally if the caller already selected a path
renderer it can | 128 // desired blend operation. Optionally if the caller already selected a path
renderer it can |
129 // be passed. Otherwise the function will select one if the element is a pat
h. | 129 // be passed. Otherwise the function will select one if the element is a pat
h. |
130 bool drawElement(GrPipelineBuilder*, | 130 bool drawElement(GrPipelineBuilder*, |
131 const SkMatrix& viewMatrix, | 131 const SkMatrix& viewMatrix, |
132 GrTexture* target, | 132 GrTexture* target, |
133 const SkClipStack::Element*, | 133 const SkClipStack::Element*, |
134 GrPathRenderer* pr = nullptr); | 134 GrPathRenderer* pr = nullptr); |
135 | 135 |
| 136 // Determines whether it is possible to draw the element to both the stencil
buffer and the |
| 137 // alpha mask simultaneously. If so and the element is a path a compatible p
ath renderer is |
| 138 // also returned. |
| 139 bool canStencilAndDrawElement(GrPipelineBuilder*, |
| 140 GrTexture* target, |
| 141 GrPathRenderer**, |
| 142 const SkClipStack::Element*); |
| 143 |
136 void mergeMask(GrPipelineBuilder*, | 144 void mergeMask(GrPipelineBuilder*, |
137 GrTexture* dstMask, | 145 GrTexture* dstMask, |
138 GrTexture* srcMask, | 146 GrTexture* srcMask, |
139 SkRegion::Op op, | 147 SkRegion::Op op, |
140 const SkIRect& dstBound, | 148 const SkIRect& dstBound, |
141 const SkIRect& srcBound); | 149 const SkIRect& srcBound); |
142 | 150 |
143 GrTexture* createTempMask(int width, int height); | 151 GrTexture* createTempMask(int width, int height); |
144 | 152 |
145 /** | 153 /** |
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160 GrTexture* createCachedMask(int width, int height, const GrUniqueKey& key, b
ool renderTarget); | 168 GrTexture* createCachedMask(int width, int height, const GrUniqueKey& key, b
ool renderTarget); |
161 | 169 |
162 static const int kMaxAnalyticElements = 4; | 170 static const int kMaxAnalyticElements = 4; |
163 | 171 |
164 GrDrawTarget* fDrawTarget; // This is our owning draw target. | 172 GrDrawTarget* fDrawTarget; // This is our owning draw target. |
165 StencilClipMode fClipMode; | 173 StencilClipMode fClipMode; |
166 | 174 |
167 typedef SkNoncopyable INHERITED; | 175 typedef SkNoncopyable INHERITED; |
168 }; | 176 }; |
169 #endif // GrClipMaskManager_DEFINED | 177 #endif // GrClipMaskManager_DEFINED |
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