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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: more claenup 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"
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46 * and sets the GrGpu's scissor and stencil state. If the return is false 46 * and sets the GrGpu's scissor and stencil state. If the return is false
47 * then the draw can be skipped. The AutoRestoreEffects is initialized by 47 * then the draw can be skipped. The AutoRestoreEffects is initialized by
48 * the manager when it must install additional effects to implement the 48 * the manager when it must install additional effects to implement the
49 * clip. devBounds is optional but can help optimize clipping. 49 * clip. devBounds is optional but can help optimize clipping.
50 */ 50 */
51 bool setupClipping(GrDrawState*, 51 bool setupClipping(GrDrawState*,
52 GrDrawState::AutoRestoreEffects*, 52 GrDrawState::AutoRestoreEffects*,
53 GrDrawState::AutoRestoreStencil*, 53 GrDrawState::AutoRestoreStencil*,
54 GrScissorState*, 54 GrScissorState*,
55 const GrClipData* clipDataIn, 55 const GrClipData* clipDataIn,
56 const SkMatrix& viewMatrix,
56 const SkRect* devBounds); 57 const SkRect* devBounds);
57 58
58 /** 59 /**
59 * Purge resources to free up memory. TODO: This class shouldn't hold any lo ng lived refs 60 * Purge resources to free up memory. TODO: This class shouldn't hold any lo ng lived refs
60 * which will allow ResourceCache2 to automatically purge anything this clas s has created. 61 * which will allow ResourceCache2 to automatically purge anything this clas s has created.
61 */ 62 */
62 void purgeResources(); 63 void purgeResources();
63 64
64 bool isClipInStencil() const { 65 bool isClipInStencil() const {
65 return kStencil_ClipMaskType == fCurrClipMaskType; 66 return kStencil_ClipMaskType == fCurrClipMaskType;
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124 // Returns the cached mask texture if it matches the elementsGenID and the c lipSpaceIBounds. 125 // Returns the cached mask texture if it matches the elementsGenID and the c lipSpaceIBounds.
125 // Returns NULL if not found. 126 // Returns NULL if not found.
126 GrTexture* getCachedMaskTexture(int32_t elementsGenID, const SkIRect& clipSp aceIBounds); 127 GrTexture* getCachedMaskTexture(int32_t elementsGenID, const SkIRect& clipSp aceIBounds);
127 128
128 // Handles allocation (if needed) of a clip alpha-mask texture for both the sw-upload 129 // Handles allocation (if needed) of a clip alpha-mask texture for both the sw-upload
129 // or gpu-rendered cases. 130 // or gpu-rendered cases.
130 GrTexture* allocMaskTexture(int32_t elementsGenID, 131 GrTexture* allocMaskTexture(int32_t elementsGenID,
131 const SkIRect& clipSpaceIBounds, 132 const SkIRect& clipSpaceIBounds,
132 bool willUpload); 133 bool willUpload);
133 134
134 bool useSWOnlyPath(const GrDrawState*, const GrReducedClip::ElementList& ele ments); 135 bool useSWOnlyPath(const GrDrawState*,
136 const SkMatrix& viewMatrix,
137 const GrReducedClip::ElementList& elements);
135 138
136 // Draws a clip element into the target alpha mask. The caller should have a lready setup the 139 // 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 140 // 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. 141 // be passed. Otherwise the function will select one if the element is a pat h.
139 bool drawElement(GrDrawState*, 142 bool drawElement(GrDrawState*,
143 const SkMatrix& viewMatrix,
140 GrTexture* target, 144 GrTexture* target,
141 const SkClipStack::Element*, 145 const SkClipStack::Element*,
142 GrPathRenderer* pr = NULL); 146 GrPathRenderer* pr = NULL);
143 147
144 // Determines whether it is possible to draw the element to both the stencil buffer and the 148 // 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 149 // alpha mask simultaneously. If so and the element is a path a compatible p ath renderer is
146 // also returned. 150 // also returned.
147 bool canStencilAndDrawElement(GrDrawState*, 151 bool canStencilAndDrawElement(GrDrawState*,
148 GrTexture* target, 152 GrTexture* target,
149 GrPathRenderer**, 153 GrPathRenderer**,
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186 kAlpha_ClipMaskType, 190 kAlpha_ClipMaskType,
187 } fCurrClipMaskType; 191 } fCurrClipMaskType;
188 192
189 GrClipMaskCache fAACache; // cache for the AA path 193 GrClipMaskCache fAACache; // cache for the AA path
190 GrClipTarget* fClipTarget; 194 GrClipTarget* fClipTarget;
191 StencilClipMode fClipMode; 195 StencilClipMode fClipMode;
192 196
193 typedef SkNoncopyable INHERITED; 197 typedef SkNoncopyable INHERITED;
194 }; 198 };
195 #endif // GrClipMaskManager_DEFINED 199 #endif // GrClipMaskManager_DEFINED
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