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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 #include "GrPathProcessor.h" | 8 #include "GrPathProcessor.h" |
9 | 9 |
10 #include "gl/GrGLPathProcessor.h" | 10 #include "gl/GrGLPathProcessor.h" |
11 #include "gl/GrGLGpu.h" | 11 #include "gl/GrGLGpu.h" |
12 | 12 |
13 #include "glsl/GrGLSLCaps.h" | 13 #include "glsl/GrGLSLCaps.h" |
14 | 14 |
15 GrPathProcessor::GrPathProcessor(GrColor color, | 15 GrPathProcessor::GrPathProcessor(GrColor color, |
16 const GrPipelineOptimizations& opts, | 16 const GrPipelineOptimizations& opts, |
17 const SkMatrix& viewMatrix, | 17 const SkMatrix& viewMatrix, |
18 const SkMatrix& localMatrix) | 18 const SkMatrix& localMatrix) |
19 : INHERITED(true) | 19 : INHERITED(true) |
20 , fColor(color) | 20 , fColor(color) |
21 , fViewMatrix(viewMatrix) | 21 , fViewMatrix(viewMatrix) |
22 , fLocalMatrix(localMatrix) | 22 , fLocalMatrix(localMatrix) |
23 , fOpts(opts) { | 23 , fOpts(opts) { |
24 this->initClassID<GrPathProcessor>(); | 24 this->initClassID<GrPathProcessor>(); |
25 } | 25 } |
26 | 26 |
27 void GrPathProcessor::getInvariantOutputColor(GrInitInvariantOutput* out) const
{ | 27 void GrPathProcessor::getGLProcessorKey(const GrGLSLCaps& caps, |
28 out->setKnownFourComponents(fColor); | 28 GrProcessorKeyBuilder* b) const { |
| 29 GrGLPathProcessor::GenKey(*this, caps, b); |
29 } | 30 } |
30 | 31 |
31 void GrPathProcessor::getInvariantOutputCoverage(GrInitInvariantOutput* out) con
st { | 32 GrGLPrimitiveProcessor* GrPathProcessor::createGLInstance(const GrGLSLCaps& caps
) const { |
32 out->setKnownSingleComponent(0xff); | 33 SkASSERT(caps.pathRenderingSupport()); |
| 34 return new GrGLPathProcessor(); |
33 } | 35 } |
34 | |
35 void GrPathProcessor::initBatchTracker(GrBatchTracker* bt, const GrPipelineOptim
izations& opt) const { | |
36 PathBatchTracker* local = bt->cast<PathBatchTracker>(); | |
37 if (!opt.readsColor()) { | |
38 local->fInputColorType = kIgnored_GrGPInput; | |
39 local->fColor = GrColor_ILLEGAL; | |
40 } else { | |
41 local->fInputColorType = kUniform_GrGPInput; | |
42 if (!opt.getOverrideColorIfSet(&local->fColor)) { | |
43 local->fColor = this->color(); | |
44 } | |
45 } | |
46 | |
47 local->fInputCoverageType = opt.readsCoverage() ? kAllOnes_GrGPInput : kIgno
red_GrGPInput; | |
48 local->fUsesLocalCoords = opt.readsLocalCoords(); | |
49 } | |
50 | |
51 bool GrPathProcessor::isEqual(const GrBatchTracker& m, | |
52 const GrPrimitiveProcessor& that, | |
53 const GrBatchTracker& t) const { | |
54 if (this->classID() != that.classID() || !this->hasSameTextureAccesses(that)
) { | |
55 return false; | |
56 } | |
57 | |
58 const GrPathProcessor& other = that.cast<GrPathProcessor>(); | |
59 if (!this->viewMatrix().cheapEqualTo(other.viewMatrix())) { | |
60 return false; | |
61 } | |
62 | |
63 const PathBatchTracker& mine = m.cast<PathBatchTracker>(); | |
64 const PathBatchTracker& theirs = t.cast<PathBatchTracker>(); | |
65 if (mine.fColor != theirs.fColor) { | |
66 return false; | |
67 } | |
68 | |
69 if (mine.fUsesLocalCoords != theirs.fUsesLocalCoords) { | |
70 return false; | |
71 } | |
72 | |
73 if (mine.fUsesLocalCoords && !this->localMatrix().cheapEqualTo(other.localMa
trix())) { | |
74 return false; | |
75 } | |
76 | |
77 return true; | |
78 } | |
79 | |
80 void GrPathProcessor::getGLProcessorKey(const GrBatchTracker& bt, | |
81 const GrGLSLCaps& caps, | |
82 GrProcessorKeyBuilder* b) const { | |
83 GrGLPathProcessor::GenKey(*this, bt, caps, b); | |
84 } | |
85 | |
86 GrGLPrimitiveProcessor* GrPathProcessor::createGLInstance(const GrBatchTracker&
bt, | |
87 const GrGLSLCaps& caps
) const { | |
88 SkASSERT(caps.pathRenderingSupport()); | |
89 return new GrGLPathProcessor(*this, bt); | |
90 } | |
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