| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 GrPictureUtils_DEFINED | 8 #ifndef GrPictureUtils_DEFINED |
| 9 #define GrPictureUtils_DEFINED | 9 #define GrPictureUtils_DEFINED |
| 10 | 10 |
| 11 #include "SkPicture.h" | 11 #include "SkPicture.h" |
| 12 #include "SkTDArray.h" | 12 #include "SkTDArray.h" |
| 13 | 13 |
| 14 // This class encapsulates the GPU-backend-specific acceleration data | 14 // This class encapsulates the GPU-backend-specific acceleration data |
| 15 // for a single SkPicture | 15 // for a single SkPicture |
| 16 class GPUAccelData : public SkPicture::AccelData { | 16 class GrAccelData : public SkPicture::AccelData { |
| 17 public: | 17 public: |
| 18 // Information about a given saveLayer in an SkPicture | 18 // Information about a given saveLayer in an SkPicture |
| 19 struct SaveLayerInfo { | 19 struct SaveLayerInfo { |
| 20 // True if the SaveLayerInfo is valid. False if either 'fOffset' is | 20 // True if the SaveLayerInfo is valid. False if either 'fOffset' is |
| 21 // invalid (due to a non-invertible CTM) or 'fPaint' is NULL (due | 21 // invalid (due to a non-invertible CTM) or 'fPaint' is NULL (due |
| 22 // to a non-copyable paint). | 22 // to a non-copyable paint). |
| 23 bool fValid; | 23 bool fValid; |
| 24 // The size of the saveLayer | 24 // The size of the saveLayer |
| 25 SkISize fSize; | 25 SkISize fSize; |
| 26 // The CTM in which this layer's draws must occur. It already incorporat
es | 26 // The CTM in which this layer's draws must occur. It already incorporat
es |
| 27 // the translation needed to map the layer's top-left point to the origi
n. | 27 // the translation needed to map the layer's top-left point to the origi
n. |
| 28 SkMatrix fCTM; | 28 SkMatrix fCTM; |
| 29 // The offset that needs to be passed to drawBitmap to correctly | 29 // The offset that needs to be passed to drawBitmap to correctly |
| 30 // position the pre-rendered layer. It is in device space. | 30 // position the pre-rendered layer. It is in device space. |
| 31 SkIPoint fOffset; | 31 SkIPoint fOffset; |
| 32 // The paint to use on restore. NULL if the paint was not copyable (and | 32 // The paint to use on restore. NULL if the paint was not copyable (and |
| 33 // thus that this layer should not be pulled forward). | 33 // thus that this layer should not be pulled forward). |
| 34 const SkPaint* fPaint; | 34 const SkPaint* fPaint; |
| 35 // The ID of this saveLayer in the picture. 0 is an invalid ID. | 35 // The ID of this saveLayer in the picture. 0 is an invalid ID. |
| 36 size_t fSaveLayerOpID; | 36 size_t fSaveLayerOpID; |
| 37 // The ID of the matching restore in the picture. 0 is an invalid ID. | 37 // The ID of the matching restore in the picture. 0 is an invalid ID. |
| 38 size_t fRestoreOpID; | 38 size_t fRestoreOpID; |
| 39 // True if this saveLayer has at least one other saveLayer nested within
it. | 39 // True if this saveLayer has at least one other saveLayer nested within
it. |
| 40 // False otherwise. | 40 // False otherwise. |
| 41 bool fHasNestedLayers; | 41 bool fHasNestedLayers; |
| 42 // True if this saveLayer is nested within another. False otherwise. | 42 // True if this saveLayer is nested within another. False otherwise. |
| 43 bool fIsNested; | 43 bool fIsNested; |
| 44 }; | 44 }; |
| 45 | 45 |
| 46 GPUAccelData(Key key) : INHERITED(key) { } | 46 GrAccelData(Key key) : INHERITED(key) { } |
| 47 | 47 |
| 48 virtual ~GPUAccelData() { | 48 virtual ~GrAccelData() { |
| 49 for (int i = 0; i < fSaveLayerInfo.count(); ++i) { | 49 for (int i = 0; i < fSaveLayerInfo.count(); ++i) { |
| 50 SkDELETE(fSaveLayerInfo[i].fPaint); | 50 SkDELETE(fSaveLayerInfo[i].fPaint); |
| 51 } | 51 } |
| 52 } | 52 } |
| 53 | 53 |
| 54 void addSaveLayerInfo(const SaveLayerInfo& info) { | 54 void addSaveLayerInfo(const SaveLayerInfo& info) { |
| 55 SkASSERT(info.fSaveLayerOpID < info.fRestoreOpID); | 55 SkASSERT(info.fSaveLayerOpID < info.fRestoreOpID); |
| 56 *fSaveLayerInfo.push() = info; | 56 *fSaveLayerInfo.push() = info; |
| 57 } | 57 } |
| 58 | 58 |
| 59 int numSaveLayers() const { return fSaveLayerInfo.count(); } | 59 int numSaveLayers() const { return fSaveLayerInfo.count(); } |
| 60 | 60 |
| 61 const SaveLayerInfo& saveLayerInfo(int index) const { | 61 const SaveLayerInfo& saveLayerInfo(int index) const { |
| 62 SkASSERT(index < fSaveLayerInfo.count()); | 62 SkASSERT(index < fSaveLayerInfo.count()); |
| 63 | 63 |
| 64 return fSaveLayerInfo[index]; | 64 return fSaveLayerInfo[index]; |
| 65 } | 65 } |
| 66 | 66 |
| 67 // We may, in the future, need to pass in the GPUDevice in order to | 67 // We may, in the future, need to pass in the GPUDevice in order to |
| 68 // incorporate the clip and matrix state into the key | 68 // incorporate the clip and matrix state into the key |
| 69 static SkPicture::AccelData::Key ComputeAccelDataKey(); | 69 static SkPicture::AccelData::Key ComputeAccelDataKey(); |
| 70 | 70 |
| 71 private: | 71 private: |
| 72 SkTDArray<SaveLayerInfo> fSaveLayerInfo; | 72 SkTDArray<SaveLayerInfo> fSaveLayerInfo; |
| 73 | 73 |
| 74 typedef SkPicture::AccelData INHERITED; | 74 typedef SkPicture::AccelData INHERITED; |
| 75 }; | 75 }; |
| 76 | 76 |
| 77 void GatherGPUInfo(const SkPicture* pict, GPUAccelData* accelData); | 77 void GatherGPUInfo(const SkPicture* pict, GrAccelData* accelData); |
| 78 | 78 |
| 79 #endif // GrPictureUtils_DEFINED | 79 #endif // GrPictureUtils_DEFINED |
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