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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 "gm.h" | 9 #include "gm.h" |
10 #if SK_SUPPORT_GPU | 10 #if SK_SUPPORT_GPU |
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53 return SkNEW_ARGS(DCShader, (matrix)); | 53 return SkNEW_ARGS(DCShader, (matrix)); |
54 } | 54 } |
55 | 55 |
56 class DCFP : public GrFragmentProcessor { | 56 class DCFP : public GrFragmentProcessor { |
57 public: | 57 public: |
58 DCFP(GrProcessorDataManager*, const SkMatrix& m) : fDeviceTransform(kDevice_
GrCoordSet, m) { | 58 DCFP(GrProcessorDataManager*, const SkMatrix& m) : fDeviceTransform(kDevice_
GrCoordSet, m) { |
59 this->addCoordTransform(&fDeviceTransform); | 59 this->addCoordTransform(&fDeviceTransform); |
60 this->initClassID<DCFP>(); | 60 this->initClassID<DCFP>(); |
61 } | 61 } |
62 | 62 |
63 GrGLFragmentProcessor* createGLInstance() const override { | 63 GrGLFragmentProcessor* onCreateGLInstance() const override { |
64 class DCGLFP : public GrGLFragmentProcessor { | 64 class DCGLFP : public GrGLFragmentProcessor { |
65 void emitCode(EmitArgs& args) override { | 65 void emitCode(EmitArgs& args) override { |
66 GrGLFragmentBuilder* fpb = args.fBuilder->getFragmentShaderBuild
er(); | 66 GrGLFragmentBuilder* fpb = args.fBuilder->getFragmentShaderBuild
er(); |
67 fpb->codeAppendf("vec2 c = %s;", fpb->ensureFSCoords2D(args.fCoo
rds, 0).c_str()); | 67 fpb->codeAppendf("vec2 c = %s;", fpb->ensureFSCoords2D(args.fCoo
rds, 0).c_str()); |
68 fpb->codeAppend("vec2 r = mod(c, vec2(20.0));"); | 68 fpb->codeAppend("vec2 r = mod(c, vec2(20.0));"); |
69 fpb->codeAppend("vec4 color = vec4(0.5*sin(c.x / 15.0) + 0.5," | 69 fpb->codeAppend("vec4 color = vec4(0.5*sin(c.x / 15.0) + 0.5," |
70 "0.5*cos((c.x + c.y) / 15.0)
+ 0.5," | 70 "0.5*cos((c.x + c.y) / 15.0)
+ 0.5," |
71 "(r.x + r.y) / 20.0," | 71 "(r.x + r.y) / 20.0," |
72 "distance(r, vec2(15.0)) / 2
0.0 + 0.2);"); | 72 "distance(r, vec2(15.0)) / 2
0.0 + 0.2);"); |
73 fpb->codeAppendf("color.rgb *= color.a;" | 73 fpb->codeAppendf("color.rgb *= color.a;" |
74 "%s = color * %s;", | 74 "%s = color * %s;", |
75 args.fOutputColor, GrGLSLExpr4(args.fInputCo
lor).c_str()); | 75 args.fOutputColor, GrGLSLExpr4(args.fInputCo
lor).c_str()); |
76 } | 76 } |
77 void setData(const GrGLProgramDataManager&, const GrProcessor&) over
ride {} | 77 void onSetData(const GrGLProgramDataManager&, const GrProcessor&) ov
erride {} |
78 }; | 78 }; |
79 return SkNEW(DCGLFP); | 79 return SkNEW(DCGLFP); |
80 } | 80 } |
81 | 81 |
82 const char* name() const override { return "DCFP"; } | 82 const char* name() const override { return "DCFP"; } |
83 | 83 |
84 void onComputeInvariantOutput(GrInvariantOutput* inout) const override { | 84 void onComputeInvariantOutput(GrInvariantOutput* inout) const override { |
85 inout->mulByUnknownFourComponents(); | 85 inout->mulByUnknownFourComponents(); |
86 } | 86 } |
87 | 87 |
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287 }; | 287 }; |
288 | 288 |
289 SkTArray<Prim*> fPrims; | 289 SkTArray<Prim*> fPrims; |
290 | 290 |
291 typedef GM INHERITED; | 291 typedef GM INHERITED; |
292 }; | 292 }; |
293 | 293 |
294 DEF_GM( return SkNEW(DCShaderGM); ) | 294 DEF_GM( return SkNEW(DCShaderGM); ) |
295 } | 295 } |
296 #endif | 296 #endif |
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