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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2014 Google Inc. | 3 * Copyright 2014 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 #include "effects/GrCoverageSetOpXP.h" | 9 #include "effects/GrCoverageSetOpXP.h" |
10 #include "GrColor.h" | 10 #include "GrColor.h" |
11 #include "GrDrawTargetCaps.h" | 11 #include "GrDrawTargetCaps.h" |
12 #include "GrProcessor.h" | 12 #include "GrProcessor.h" |
13 #include "GrProcOptInfo.h" | 13 #include "GrProcOptInfo.h" |
14 #include "gl/GrGLXferProcessor.h" | 14 #include "gl/GrGLXferProcessor.h" |
15 #include "gl/builders/GrGLFragmentShaderBuilder.h" | 15 #include "gl/builders/GrGLFragmentShaderBuilder.h" |
16 #include "gl/builders/GrGLProgramBuilder.h" | 16 #include "gl/builders/GrGLProgramBuilder.h" |
17 | 17 |
18 /** | |
19 * This xfer processor directly blends the the src coverage with the dst using a
set operator. It is | |
20 * useful for rendering coverage masks using CSG. It can optionally invert the s
rc coverage before | |
21 * applying the set operator. | |
22 * */ | |
23 class CoverageSetOpXP : public GrXferProcessor { | 18 class CoverageSetOpXP : public GrXferProcessor { |
24 public: | 19 public: |
25 static GrXferProcessor* Create(SkRegion::Op regionOp, bool invertCoverage) { | 20 static GrXferProcessor* Create(SkRegion::Op regionOp, bool invertCoverage) { |
26 return SkNEW_ARGS(CoverageSetOpXP, (regionOp, invertCoverage)); | 21 return SkNEW_ARGS(CoverageSetOpXP, (regionOp, invertCoverage)); |
27 } | 22 } |
28 | 23 |
29 ~CoverageSetOpXP() SK_OVERRIDE; | 24 ~CoverageSetOpXP() SK_OVERRIDE; |
30 | 25 |
31 const char* name() const SK_OVERRIDE { return "Coverage Set Op"; } | 26 const char* name() const SK_OVERRIDE { return "Coverage Set Op"; } |
32 | 27 |
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256 | 251 |
257 GrXPFactory* GrCoverageSetOpXPFactory::TestCreate(SkRandom* random, | 252 GrXPFactory* GrCoverageSetOpXPFactory::TestCreate(SkRandom* random, |
258 GrContext*, | 253 GrContext*, |
259 const GrDrawTargetCaps&, | 254 const GrDrawTargetCaps&, |
260 GrTexture*[]) { | 255 GrTexture*[]) { |
261 SkRegion::Op regionOp = SkRegion::Op(random->nextULessThan(SkRegion::kLastOp
+ 1)); | 256 SkRegion::Op regionOp = SkRegion::Op(random->nextULessThan(SkRegion::kLastOp
+ 1)); |
262 bool invertCoverage = random->nextBool(); | 257 bool invertCoverage = random->nextBool(); |
263 return GrCoverageSetOpXPFactory::Create(regionOp, invertCoverage); | 258 return GrCoverageSetOpXPFactory::Create(regionOp, invertCoverage); |
264 } | 259 } |
265 | 260 |
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