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 GrPorterDuffXferProcessor_DEFINED | 8 #ifndef GrPorterDuffXferProcessor_DEFINED |
9 #define GrPorterDuffXferProcessor_DEFINED | 9 #define GrPorterDuffXferProcessor_DEFINED |
10 | 10 |
11 #include "GrTypes.h" | 11 #include "GrTypes.h" |
12 #include "GrXferProcessor.h" | 12 #include "GrXferProcessor.h" |
13 #include "SkXfermode.h" | 13 #include "SkXfermode.h" |
14 | 14 |
15 class GrDrawState; | 15 class GrDrawState; |
16 class GrInvariantOutput; | 16 class GrInvariantOutput; |
17 | 17 |
18 class GrPorterDuffXferProcessor : public GrXferProcessor { | 18 class GrPorterDuffXferProcessor : public GrXferProcessor { |
19 public: | 19 public: |
20 static GrXferProcessor* Create(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend)
{ | 20 static GrXferProcessor* Create(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend, |
21 return SkNEW_ARGS(GrPorterDuffXferProcessor, (srcBlend, dstBlend)); | 21 GrColor constant = 0) { |
| 22 return SkNEW_ARGS(GrPorterDuffXferProcessor, (srcBlend, dstBlend, consta
nt)); |
22 } | 23 } |
23 | 24 |
24 virtual ~GrPorterDuffXferProcessor(); | 25 virtual ~GrPorterDuffXferProcessor(); |
25 | 26 |
26 virtual const char* name() const { return "Porter Duff"; } | 27 virtual const char* name() const { return "Porter Duff"; } |
27 | 28 |
28 virtual void getGLProcessorKey(const GrGLCaps& caps, | 29 virtual void getGLProcessorKey(const GrGLCaps& caps, |
29 GrProcessorKeyBuilder* b) const SK_OVERRIDE; | 30 GrProcessorKeyBuilder* b) const SK_OVERRIDE; |
30 | 31 |
31 virtual GrGLFragmentProcessor* createGLInstance() const SK_OVERRIDE; | 32 virtual GrGLFragmentProcessor* createGLInstance() const SK_OVERRIDE; |
32 | 33 |
| 34 virtual GrXferProcessor::OptFlags getOptimizations(const GrProcOptInfo& colo
rPOI, |
| 35 const GrProcOptInfo& cove
ragePOI, |
| 36 bool isCoverageDrawing, |
| 37 bool colorWriteDisabled, |
| 38 bool doesStencilWrite, |
| 39 GrColor* color, |
| 40 uint8_t* coverage) SK_OVE
RRIDE; |
| 41 |
| 42 virtual void getBlendInfo(GrXferProcessor::BlendInfo* blendInfo) const SK_OV
ERRIDE { |
| 43 blendInfo->fSrcBlend = fSrcBlend; |
| 44 blendInfo->fDstBlend = fDstBlend; |
| 45 blendInfo->fBlendConstant = fBlendConstant; |
| 46 } |
| 47 |
33 private: | 48 private: |
34 GrPorterDuffXferProcessor(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend); | 49 GrPorterDuffXferProcessor(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend, GrCo
lor constant); |
35 | 50 |
36 virtual bool onIsEqual(const GrFragmentProcessor& fpBase) const SK_OVERRIDE
{ | 51 virtual bool onIsEqual(const GrFragmentProcessor& fpBase) const SK_OVERRIDE
{ |
37 const GrPorterDuffXferProcessor& xp = fpBase.cast<GrPorterDuffXferProces
sor>(); | 52 const GrPorterDuffXferProcessor& xp = fpBase.cast<GrPorterDuffXferProces
sor>(); |
38 if (fSrcBlend != xp.fSrcBlend || fDstBlend != xp.fDstBlend) { | 53 if (fSrcBlend != xp.fSrcBlend || |
| 54 fDstBlend != xp.fDstBlend || |
| 55 fBlendConstant != xp.fBlendConstant) { |
39 return false; | 56 return false; |
40 } | 57 } |
41 return true; | 58 return true; |
42 } | 59 } |
43 | 60 |
44 virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVE
RRIDE; | 61 virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVE
RRIDE; |
45 | 62 |
46 GrBlendCoeff fSrcBlend; | 63 GrBlendCoeff fSrcBlend; |
47 GrBlendCoeff fDstBlend; | 64 GrBlendCoeff fDstBlend; |
48 | 65 GrColor fBlendConstant; |
| 66 |
49 typedef GrXferProcessor INHERITED; | 67 typedef GrXferProcessor INHERITED; |
50 }; | 68 }; |
51 | 69 |
52 /////////////////////////////////////////////////////////////////////////////// | 70 /////////////////////////////////////////////////////////////////////////////// |
53 | 71 |
54 class GrPorterDuffXPFactory : public GrXPFactory { | 72 class GrPorterDuffXPFactory : public GrXPFactory { |
55 public: | 73 public: |
56 static GrXPFactory* Create(SkXfermode::Mode mode); | 74 static GrXPFactory* Create(SkXfermode::Mode mode); |
57 | 75 |
58 static GrXPFactory* Create(SkXfermode::Coeff src, SkXfermode::Coeff dst) { | 76 static GrXPFactory* Create(SkXfermode::Coeff src, SkXfermode::Coeff dst) { |
59 return SkNEW_ARGS(GrPorterDuffXPFactory, ((GrBlendCoeff)(src), (GrBlendC
oeff)(dst))); | 77 return SkNEW_ARGS(GrPorterDuffXPFactory, ((GrBlendCoeff)(src), (GrBlendC
oeff)(dst))); |
60 } | 78 } |
61 | 79 |
62 static GrXPFactory* Create(GrBlendCoeff src, GrBlendCoeff dst) { | 80 static GrXPFactory* Create(GrBlendCoeff src, GrBlendCoeff dst) { |
63 return SkNEW_ARGS(GrPorterDuffXPFactory, (src, dst)); | 81 return SkNEW_ARGS(GrPorterDuffXPFactory, (src, dst)); |
64 } | 82 } |
65 | 83 |
66 const GrXferProcessor* createXferProcessor() const SK_OVERRIDE; | 84 GrXferProcessor* createXferProcessor(const GrProcOptInfo& colorPOI, |
| 85 const GrProcOptInfo& coveragePOI) const
SK_OVERRIDE; |
67 | 86 |
68 bool supportsRGBCoverage(GrColor knownColor, uint32_t knownColorFlags) const
SK_OVERRIDE; | 87 bool supportsRGBCoverage(GrColor knownColor, uint32_t knownColorFlags) const
SK_OVERRIDE; |
69 | 88 |
| 89 bool canApplyCoverage(const GrProcOptInfo& colorPOI, const GrProcOptInfo& co
veragePOI, |
| 90 bool isCoverageDrawing, bool colorWriteDisabled) const
SK_OVERRIDE; |
| 91 |
| 92 bool willBlendWithDst(const GrProcOptInfo& colorPOI, const GrProcOptInfo& co
veragePOI, |
| 93 bool isCoverageDrawing, bool colorWriteDisabled) const
SK_OVERRIDE; |
| 94 |
| 95 bool canTweakAlphaForCoverage(bool isCoverageDrawing) const SK_OVERRIDE; |
| 96 |
| 97 bool getOpaqueAndKnownColor(const GrProcOptInfo& colorPOI, |
| 98 const GrProcOptInfo& coveragePOI, |
| 99 GrColor* solidColor, |
| 100 uint32_t* solidColorKnownComponents) const SK_OV
ERRIDE; |
| 101 |
70 private: | 102 private: |
71 GrPorterDuffXPFactory(GrBlendCoeff src, GrBlendCoeff dst); | 103 GrPorterDuffXPFactory(GrBlendCoeff src, GrBlendCoeff dst); |
72 | 104 |
73 bool onIsEqual(const GrXPFactory& xpfBase) const SK_OVERRIDE { | 105 bool onIsEqual(const GrXPFactory& xpfBase) const SK_OVERRIDE { |
74 const GrPorterDuffXPFactory& xpf = xpfBase.cast<GrPorterDuffXPFactory>()
; | 106 const GrPorterDuffXPFactory& xpf = xpfBase.cast<GrPorterDuffXPFactory>()
; |
75 return (fSrc == xpf.fSrc && fDst == xpf.fDst); | 107 return (fSrcCoeff == xpf.fSrcCoeff && fDstCoeff == xpf.fDstCoeff); |
76 } | 108 } |
77 | 109 |
78 GrBlendCoeff fSrc; | 110 GrBlendCoeff fSrcCoeff; |
79 GrBlendCoeff fDst; | 111 GrBlendCoeff fDstCoeff; |
80 | 112 |
81 typedef GrXPFactory INHERITED; | 113 typedef GrXPFactory INHERITED; |
82 }; | 114 }; |
83 | 115 |
84 #endif | 116 #endif |
OLD | NEW |