blob: 6b4d901cc14ab1eed97613e7ffd5175523b3e3f8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrPictureUtils_DEFINED
#define GrPictureUtils_DEFINED
#include "SkPicture.h"
#include "SkTDArray.h"
// This class encapsulates the GPU-backend-specific acceleration data
// for a single SkPicture
class GPUAccelData : public SkPicture::AccelData {
public:
// Information about a given saveLayer in an SkPicture
struct SaveLayerInfo {
// The size of the saveLayer
SkISize fSize;
// The ID of this saveLayer in the picture. 0 is an invalid ID.
size_t fSaveLayerOpID;
// The ID of the matching restore in the picture. 0 is an invalid ID.
size_t fRestoreOpID;
// True if this saveLayer has at least one other saveLayer nested within it.
// False otherwise.
bool fHasNestedLayers;
};
GPUAccelData(Key key) : INHERITED(key) { }
void addSaveLayerInfo(const SaveLayerInfo& info) {
SkASSERT(info.fSaveLayerOpID < info.fRestoreOpID);
*fSaveLayerInfo.push() = info;
}
int numSaveLayers() const { return fSaveLayerInfo.count(); }
const SaveLayerInfo& saveLayerInfo(int index) const {
SkASSERT(index < fSaveLayerInfo.count());
return fSaveLayerInfo[index];
}
protected:
SkTDArray<SaveLayerInfo> fSaveLayerInfo;
private:
typedef SkPicture::AccelData INHERITED;
};
void GatherGPUInfo(SkPicture* pict, GPUAccelData* accelData);
#endif // GrPictureUtils_DEFINED
|
