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

Issue 815553003: Move ViewMatrix off of drawstate (Closed) Base URL: https://skia.googlesource.com/skia.git@remove-fragment-stage
Patch Set: clean Created 5 years, 11 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 "GrClipMaskCache.h" 10 #include "GrClipMaskCache.h"
(...skipping 95 matching lines...) Expand 10 before | Expand all | Expand 10 after
106 GrReducedClip::InitialState initialState, 106 GrReducedClip::InitialState initialState,
107 const GrReducedClip::ElementList& elements, 107 const GrReducedClip::ElementList& elements,
108 const SkIRect& clipSpaceIBounds, 108 const SkIRect& clipSpaceIBounds,
109 const SkIPoint& clipSpaceToStencilOffset); 109 const SkIPoint& clipSpaceToStencilOffset);
110 110
111 // Creates an alpha mask of the clip. The mask is a rasterization of element s through the 111 // Creates an alpha mask of the clip. The mask is a rasterization of element s through the
112 // rect specified by clipSpaceIBounds. 112 // rect specified by clipSpaceIBounds.
113 GrTexture* createAlphaClipMask(int32_t elementsGenID, 113 GrTexture* createAlphaClipMask(int32_t elementsGenID,
114 GrReducedClip::InitialState initialState, 114 GrReducedClip::InitialState initialState,
115 const GrReducedClip::ElementList& elements, 115 const GrReducedClip::ElementList& elements,
116 const SkMatrix& translate,
117 const SkVector& clipToMaskOffset,
116 const SkIRect& clipSpaceIBounds); 118 const SkIRect& clipSpaceIBounds);
117 119
118 // Similar to createAlphaClipMask but it rasterizes in SW and uploads to the result texture. 120 // Similar to createAlphaClipMask but it rasterizes in SW and uploads to the result texture.
119 GrTexture* createSoftwareClipMask(int32_t elementsGenID, 121 GrTexture* createSoftwareClipMask(int32_t elementsGenID,
120 GrReducedClip::InitialState initialState, 122 GrReducedClip::InitialState initialState,
121 const GrReducedClip::ElementList& elements , 123 const GrReducedClip::ElementList& elements ,
124 const SkMatrix& translate,
122 const SkIRect& clipSpaceIBounds); 125 const SkIRect& clipSpaceIBounds);
123 126
124 // Returns the cached mask texture if it matches the elementsGenID and the c lipSpaceIBounds. 127 // Returns the cached mask texture if it matches the elementsGenID and the c lipSpaceIBounds.
125 // Returns NULL if not found. 128 // Returns NULL if not found.
126 GrTexture* getCachedMaskTexture(int32_t elementsGenID, const SkIRect& clipSp aceIBounds); 129 GrTexture* getCachedMaskTexture(int32_t elementsGenID, const SkIRect& clipSp aceIBounds);
127 130
128 // Handles allocation (if needed) of a clip alpha-mask texture for both the sw-upload 131 // Handles allocation (if needed) of a clip alpha-mask texture for both the sw-upload
129 // or gpu-rendered cases. 132 // or gpu-rendered cases.
130 GrTexture* allocMaskTexture(int32_t elementsGenID, 133 GrTexture* allocMaskTexture(int32_t elementsGenID,
131 const SkIRect& clipSpaceIBounds, 134 const SkIRect& clipSpaceIBounds,
132 bool willUpload); 135 bool willUpload);
133 136
134 bool useSWOnlyPath(const GrDrawState*, const GrReducedClip::ElementList& ele ments); 137 bool useSWOnlyPath(const GrDrawState*,
138 const SkMatrix& viewMatrix,
139 const GrReducedClip::ElementList& elements);
135 140
136 // Draws a clip element into the target alpha mask. The caller should have a lready setup the 141 // Draws a clip element into the target alpha mask. The caller should have a lready setup the
137 // desired blend operation. Optionally if the caller already selected a path renderer it can 142 // desired blend operation. Optionally if the caller already selected a path renderer it can
138 // be passed. Otherwise the function will select one if the element is a pat h. 143 // be passed. Otherwise the function will select one if the element is a pat h.
139 bool drawElement(GrDrawState*, 144 bool drawElement(GrDrawState*,
145 const SkMatrix& viewMatrix,
140 GrTexture* target, 146 GrTexture* target,
141 const SkClipStack::Element*, 147 const SkClipStack::Element*,
142 GrPathRenderer* pr = NULL); 148 GrPathRenderer* pr = NULL);
143 149
144 // Determines whether it is possible to draw the element to both the stencil buffer and the 150 // Determines whether it is possible to draw the element to both the stencil buffer and the
145 // alpha mask simultaneously. If so and the element is a path a compatible p ath renderer is 151 // alpha mask simultaneously. If so and the element is a path a compatible p ath renderer is
146 // also returned. 152 // also returned.
147 bool canStencilAndDrawElement(GrDrawState*, 153 bool canStencilAndDrawElement(GrDrawState*,
148 GrTexture* target, 154 GrTexture* target,
149 GrPathRenderer**, 155 GrPathRenderer**,
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186 kAlpha_ClipMaskType, 192 kAlpha_ClipMaskType,
187 } fCurrClipMaskType; 193 } fCurrClipMaskType;
188 194
189 GrClipMaskCache fAACache; // cache for the AA path 195 GrClipMaskCache fAACache; // cache for the AA path
190 GrClipTarget* fClipTarget; 196 GrClipTarget* fClipTarget;
191 StencilClipMode fClipMode; 197 StencilClipMode fClipMode;
192 198
193 typedef SkNoncopyable INHERITED; 199 typedef SkNoncopyable INHERITED;
194 }; 200 };
195 #endif // GrClipMaskManager_DEFINED 201 #endif // GrClipMaskManager_DEFINED
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