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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkGrPriv_DEFINED
#define SkGrPriv_DEFINED
#include "GrTypes.h"
#include "GrTextureAccess.h"
#include "SkImageInfo.h"
#include "SkXfermode.h"
class GrCaps;
class GrContext;
class GrFragmentProcessor;
class GrPaint;
class GrUniqueKey;
class SkPaint;
class SkMatrix;
struct SkIRect;
struct SkGrStretch {
enum Type {
kNone_Type,
kBilerp_Type,
kNearest_Type
} fType;
int fWidth;
int fHeight;
};
GrTextureParams GrImageUsageToTextureParams(SkImageUsageType);
/**
* Our key includes the offset, width, and height so that bitmaps created by extractSubset()
* are unique.
*
* The imageID is in the shared namespace (see SkNextID::ImageID()
* - SkBitmap/SkPixelRef
* - SkImage
* - SkImageGenerator
*
* Note: width/height must fit in 16bits for this impl.
*/
void GrMakeKeyFromImageID(GrUniqueKey* key, uint32_t imageID, const SkIRect& imageBounds,
const GrCaps&, SkImageUsageType);
/**
* Given an "unstretched" key, and a stretch rec, produce a stretched key.
*/
bool GrMakeStretchedKey(const GrUniqueKey& origKey, const SkGrStretch&, GrUniqueKey* stretchedKey);
/** Converts an SkPaint to a GrPaint for a given GrContext. The matrix is required in order
to convert the SkShader (if any) on the SkPaint. */
bool SkPaintToGrPaint(GrContext*,
const SkPaint& skPaint,
const SkMatrix& viewM,
GrPaint* grPaint);
/** Ignores the SkShader (if any) on skPaint. */
bool SkPaintToGrPaintNoShader(GrContext* context,
const SkPaint& skPaint,
GrPaint* grPaint);
/** Replaces the SkShader (if any) on skPaint with the passed in GrFragmentProcessor. The processor
should expect an unpremul input color and produce a premultiplied output color. */
bool SkPaintToGrPaintReplaceShader(GrContext*,
const SkPaint& skPaint,
const GrFragmentProcessor* shaderFP,
GrPaint* grPaint);
/** Blends the SkPaint's shader (or color if no shader) with the color which specified via a
GrBatch's GrPrimitiveProcesssor. Currently there is a bool param to indicate whether the
primitive color is the dst or src color to the blend in order to work around differences between
drawVertices and drawAtlas.
*/
bool SkPaintToGrPaintWithXfermode(GrContext* context,
const SkPaint& skPaint,
const SkMatrix& viewM,
SkXfermode::Mode primColorMode,
bool primitiveIsSrc,
GrPaint* grPaint);
bool GrTextureUsageSupported(const GrCaps&, int width, int height, SkImageUsageType);
#endif
|
