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| 1 | 1 |
| 2 /* | 2 /* |
| 3 * Copyright 2010 Google Inc. | 3 * Copyright 2010 Google Inc. |
| 4 * | 4 * |
| 5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
| 6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
| 7 */ | 7 */ |
| 8 | 8 |
| 9 | 9 |
| 10 | 10 |
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| 80 } else { | 80 } else { |
| 81 fCoordChangeMatrixSet = true; | 81 fCoordChangeMatrixSet = true; |
| 82 fCoordChangeMatrix = matrix; | 82 fCoordChangeMatrix = matrix; |
| 83 } | 83 } |
| 84 } | 84 } |
| 85 | 85 |
| 86 class SavedCoordChange { | 86 class SavedCoordChange { |
| 87 private: | 87 private: |
| 88 bool fCoordChangeMatrixSet; | 88 bool fCoordChangeMatrixSet; |
| 89 SkMatrix fCoordChangeMatrix; | 89 SkMatrix fCoordChangeMatrix; |
| 90 GR_DEBUGCODE(mutable SkAutoTUnref<const GrEffectRef> fEffectRef;) | 90 SkDEBUGCODE(mutable SkAutoTUnref<const GrEffectRef> fEffectRef;) |
| 91 | 91 |
| 92 friend class GrEffectStage; | 92 friend class GrEffectStage; |
| 93 }; | 93 }; |
| 94 | 94 |
| 95 /** | 95 /** |
| 96 * This gets the current coordinate system change. It is the accumulation of | 96 * This gets the current coordinate system change. It is the accumulation of |
| 97 * localCoordChange calls since the effect was installed. It is used when th
en caller | 97 * localCoordChange calls since the effect was installed. It is used when th
en caller |
| 98 * wants to temporarily change the source geometry coord system, draw someth
ing, and then | 98 * wants to temporarily change the source geometry coord system, draw someth
ing, and then |
| 99 * restore the previous coord system (e.g. temporarily draw in device coords
). | 99 * restore the previous coord system (e.g. temporarily draw in device coords
). |
| 100 */ | 100 */ |
| 101 void saveCoordChange(SavedCoordChange* savedCoordChange) const { | 101 void saveCoordChange(SavedCoordChange* savedCoordChange) const { |
| 102 savedCoordChange->fCoordChangeMatrixSet = fCoordChangeMatrixSet; | 102 savedCoordChange->fCoordChangeMatrixSet = fCoordChangeMatrixSet; |
| 103 if (fCoordChangeMatrixSet) { | 103 if (fCoordChangeMatrixSet) { |
| 104 savedCoordChange->fCoordChangeMatrix = fCoordChangeMatrix; | 104 savedCoordChange->fCoordChangeMatrix = fCoordChangeMatrix; |
| 105 } | 105 } |
| 106 SkASSERT(NULL == savedCoordChange->fEffectRef.get()); | 106 SkASSERT(NULL == savedCoordChange->fEffectRef.get()); |
| 107 GR_DEBUGCODE(SkRef(fEffectRef.get());) | 107 SkDEBUGCODE(SkRef(fEffectRef.get());) |
| 108 GR_DEBUGCODE(savedCoordChange->fEffectRef.reset(fEffectRef.get());) | 108 SkDEBUGCODE(savedCoordChange->fEffectRef.reset(fEffectRef.get());) |
| 109 } | 109 } |
| 110 | 110 |
| 111 /** | 111 /** |
| 112 * This balances the saveCoordChange call. | 112 * This balances the saveCoordChange call. |
| 113 */ | 113 */ |
| 114 void restoreCoordChange(const SavedCoordChange& savedCoordChange) { | 114 void restoreCoordChange(const SavedCoordChange& savedCoordChange) { |
| 115 fCoordChangeMatrixSet = savedCoordChange.fCoordChangeMatrixSet; | 115 fCoordChangeMatrixSet = savedCoordChange.fCoordChangeMatrixSet; |
| 116 if (fCoordChangeMatrixSet) { | 116 if (fCoordChangeMatrixSet) { |
| 117 fCoordChangeMatrix = savedCoordChange.fCoordChangeMatrix; | 117 fCoordChangeMatrix = savedCoordChange.fCoordChangeMatrix; |
| 118 } | 118 } |
| 119 SkASSERT(savedCoordChange.fEffectRef.get() == fEffectRef); | 119 SkASSERT(savedCoordChange.fEffectRef.get() == fEffectRef); |
| 120 GR_DEBUGCODE(savedCoordChange.fEffectRef.reset(NULL);) | 120 SkDEBUGCODE(savedCoordChange.fEffectRef.reset(NULL);) |
| 121 } | 121 } |
| 122 | 122 |
| 123 /** | 123 /** |
| 124 * Used when storing a deferred GrDrawState. The DeferredStage allows resour
ces owned by its | 124 * Used when storing a deferred GrDrawState. The DeferredStage allows resour
ces owned by its |
| 125 * GrEffect to be recycled through the cache. | 125 * GrEffect to be recycled through the cache. |
| 126 */ | 126 */ |
| 127 class DeferredStage { | 127 class DeferredStage { |
| 128 public: | 128 public: |
| 129 DeferredStage() : fEffect(NULL) { | 129 DeferredStage() : fEffect(NULL) { |
| 130 SkDEBUGCODE(fInitialized = false;) | 130 SkDEBUGCODE(fInitialized = false;) |
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| 214 int getVertexAttribIndexCount() const { return fEffectRef->get()->numVertexA
ttribs(); } | 214 int getVertexAttribIndexCount() const { return fEffectRef->get()->numVertexA
ttribs(); } |
| 215 | 215 |
| 216 private: | 216 private: |
| 217 bool fCoordChangeMatrixSet; | 217 bool fCoordChangeMatrixSet; |
| 218 SkMatrix fCoordChangeMatrix; | 218 SkMatrix fCoordChangeMatrix; |
| 219 SkAutoTUnref<const GrEffectRef> fEffectRef; | 219 SkAutoTUnref<const GrEffectRef> fEffectRef; |
| 220 int fVertexAttribIndices[2]; | 220 int fVertexAttribIndices[2]; |
| 221 }; | 221 }; |
| 222 | 222 |
| 223 #endif | 223 #endif |
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