| OLD | NEW |
| 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 | 7 |
| 8 #ifndef GrClipMaskCache_DEFINED | 8 #ifndef GrClipMaskCache_DEFINED |
| 9 #define GrClipMaskCache_DEFINED | 9 #define GrClipMaskCache_DEFINED |
| 10 | 10 |
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| 107 SkASSERT(false); | 107 SkASSERT(false); |
| 108 return NULL; | 108 return NULL; |
| 109 } | 109 } |
| 110 | 110 |
| 111 GrClipStackFrame* back = (GrClipStackFrame*) fStack.back(); | 111 GrClipStackFrame* back = (GrClipStackFrame*) fStack.back(); |
| 112 | 112 |
| 113 return back->fLastMask; | 113 return back->fLastMask; |
| 114 } | 114 } |
| 115 | 115 |
| 116 void acquireMask(int32_t clipGenID, | 116 void acquireMask(int32_t clipGenID, |
| 117 const GrTextureDesc& desc, | 117 const GrSurfaceDesc& desc, |
| 118 const SkIRect& bound) { | 118 const SkIRect& bound) { |
| 119 | 119 |
| 120 if (fStack.empty()) { | 120 if (fStack.empty()) { |
| 121 SkASSERT(false); | 121 SkASSERT(false); |
| 122 return; | 122 return; |
| 123 } | 123 } |
| 124 | 124 |
| 125 GrClipStackFrame* back = (GrClipStackFrame*) fStack.back(); | 125 GrClipStackFrame* back = (GrClipStackFrame*) fStack.back(); |
| 126 | 126 |
| 127 back->acquireMask(fContext, clipGenID, desc, bound); | 127 back->acquireMask(fContext, clipGenID, desc, bound); |
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| 192 | 192 |
| 193 private: | 193 private: |
| 194 struct GrClipStackFrame { | 194 struct GrClipStackFrame { |
| 195 | 195 |
| 196 GrClipStackFrame() { | 196 GrClipStackFrame() { |
| 197 this->reset(); | 197 this->reset(); |
| 198 } | 198 } |
| 199 | 199 |
| 200 void acquireMask(GrContext* context, | 200 void acquireMask(GrContext* context, |
| 201 int32_t clipGenID, | 201 int32_t clipGenID, |
| 202 const GrTextureDesc& desc, | 202 const GrSurfaceDesc& desc, |
| 203 const SkIRect& bound) { | 203 const SkIRect& bound) { |
| 204 | 204 |
| 205 fLastClipGenID = clipGenID; | 205 fLastClipGenID = clipGenID; |
| 206 | 206 |
| 207 // HACK: set the last param to true to indicate that this request is
at | 207 // HACK: set the last param to true to indicate that this request is
at |
| 208 // flush time and therefore we require a scratch texture with no pen
ding IO operations. | 208 // flush time and therefore we require a scratch texture with no pen
ding IO operations. |
| 209 fLastMask.reset(context->refScratchTexture(desc, GrContext::kApprox_
ScratchTexMatch, | 209 fLastMask.reset(context->refScratchTexture(desc, GrContext::kApprox_
ScratchTexMatch, |
| 210 /*flushing=*/true)); | 210 /*flushing=*/true)); |
| 211 | 211 |
| 212 fLastBound = bound; | 212 fLastBound = bound; |
| 213 } | 213 } |
| 214 | 214 |
| 215 void reset () { | 215 void reset () { |
| 216 fLastClipGenID = SkClipStack::kInvalidGenID; | 216 fLastClipGenID = SkClipStack::kInvalidGenID; |
| 217 | 217 |
| 218 GrTextureDesc desc; | 218 GrSurfaceDesc desc; |
| 219 | 219 |
| 220 fLastMask.reset(NULL); | 220 fLastMask.reset(NULL); |
| 221 fLastBound.setEmpty(); | 221 fLastBound.setEmpty(); |
| 222 } | 222 } |
| 223 | 223 |
| 224 int32_t fLastClipGenID; | 224 int32_t fLastClipGenID; |
| 225 // The mask's width & height values are used by GrClipMaskManager to cor
rectly scale the | 225 // The mask's width & height values are used by GrClipMaskManager to cor
rectly scale the |
| 226 // texture coords for the geometry drawn with this mask. TODO: This shou
ld be a cache key | 226 // texture coords for the geometry drawn with this mask. TODO: This shou
ld be a cache key |
| 227 // and not a hard ref to a texture. | 227 // and not a hard ref to a texture. |
| 228 SkAutoTUnref<GrTexture> fLastMask; | 228 SkAutoTUnref<GrTexture> fLastMask; |
| 229 // fLastBound stores the bounding box of the clip mask in clip-stack spa
ce. This rect is | 229 // fLastBound stores the bounding box of the clip mask in clip-stack spa
ce. This rect is |
| 230 // used by GrClipMaskManager to position a rect and compute texture coor
ds for the mask. | 230 // used by GrClipMaskManager to position a rect and compute texture coor
ds for the mask. |
| 231 SkIRect fLastBound; | 231 SkIRect fLastBound; |
| 232 }; | 232 }; |
| 233 | 233 |
| 234 GrContext* fContext; | 234 GrContext* fContext; |
| 235 SkDeque fStack; | 235 SkDeque fStack; |
| 236 | 236 |
| 237 typedef SkNoncopyable INHERITED; | 237 typedef SkNoncopyable INHERITED; |
| 238 }; | 238 }; |
| 239 | 239 |
| 240 #endif // GrClipMaskCache_DEFINED | 240 #endif // GrClipMaskCache_DEFINED |
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