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Side by Side Diff: src/effects/gradients/SkTwoPointConicalGradient_gpu.cpp

Issue 2324663004: Remove unneeded GrGLSLTransformedCoordsArray type (Closed)
Patch Set: update comments Created 4 years, 3 months ago
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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 #include "SkTwoPointConicalGradient_gpu.h" 8 #include "SkTwoPointConicalGradient_gpu.h"
9 9
10 #include "SkTwoPointConicalGradient.h" 10 #include "SkTwoPointConicalGradient.h"
(...skipping 225 matching lines...) Expand 10 before | Expand all | Expand 10 after
236 SkString p0; // start radius 236 SkString p0; // start radius
237 SkString p1; // start radius squared 237 SkString p1; // start radius squared
238 SkString p2; // difference in radii (r1 - r0) 238 SkString p2; // difference in radii (r1 - r0)
239 239
240 240
241 p0.appendf("%s.x", uniformHandler->getUniformVariable(fParamUni).getName().c _str()); 241 p0.appendf("%s.x", uniformHandler->getUniformVariable(fParamUni).getName().c _str());
242 p1.appendf("%s.y", uniformHandler->getUniformVariable(fParamUni).getName().c _str()); 242 p1.appendf("%s.y", uniformHandler->getUniformVariable(fParamUni).getName().c _str());
243 p2.appendf("%s.z", uniformHandler->getUniformVariable(fParamUni).getName().c _str()); 243 p2.appendf("%s.z", uniformHandler->getUniformVariable(fParamUni).getName().c _str());
244 244
245 // We interpolate the linear component in coords[1]. 245 // We interpolate the linear component in coords[1].
246 SkASSERT(args.fCoords[0].getType() == args.fCoords[1].getType()); 246 SkASSERT(args.fTransformedCoords[0].getType() == args.fTransformedCoords[1]. getType());
247 const char* coords2D; 247 const char* coords2D;
248 SkString bVar; 248 SkString bVar;
249 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; 249 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
250 if (kVec3f_GrSLType == args.fCoords[0].getType()) { 250 if (kVec3f_GrSLType == args.fTransformedCoords[0].getType()) {
251 fragBuilder->codeAppendf("\tvec3 interpolants = vec3(%s.xy / %s.z, %s.x / %s.z);\n", 251 fragBuilder->codeAppendf("\tvec3 interpolants = vec3(%s.xy / %s.z, %s.x / %s.z);\n",
252 args.fCoords[0].c_str(), args.fCoords[0].c_str(), 252 args.fTransformedCoords[0].c_str(),
253 args.fCoords[1].c_str(), args.fCoords[1].c_str()) ; 253 args.fTransformedCoords[0].c_str(),
254 args.fTransformedCoords[1].c_str(),
255 args.fTransformedCoords[1].c_str());
254 coords2D = "interpolants.xy"; 256 coords2D = "interpolants.xy";
255 bVar = "interpolants.z"; 257 bVar = "interpolants.z";
256 } else { 258 } else {
257 coords2D = args.fCoords[0].c_str(); 259 coords2D = args.fTransformedCoords[0].c_str();
258 bVar.printf("%s.x", args.fCoords[1].c_str()); 260 bVar.printf("%s.x", args.fTransformedCoords[1].c_str());
259 } 261 }
260 262
261 // output will default to transparent black (we simply won't write anything 263 // output will default to transparent black (we simply won't write anything
262 // else to it if invalid, instead of discarding or returning prematurely) 264 // else to it if invalid, instead of discarding or returning prematurely)
263 fragBuilder->codeAppendf("\t%s = vec4(0.0,0.0,0.0,0.0);\n", args.fOutputColo r); 265 fragBuilder->codeAppendf("\t%s = vec4(0.0,0.0,0.0,0.0);\n", args.fOutputColo r);
264 266
265 // c = (x^2)+(y^2) - params[1] 267 // c = (x^2)+(y^2) - params[1]
266 fragBuilder->codeAppendf("\tfloat %s = dot(%s, %s) - %s;\n", 268 fragBuilder->codeAppendf("\tfloat %s = dot(%s, %s) - %s;\n",
267 cName.c_str(), coords2D, coords2D, p1.c_str()); 269 cName.c_str(), coords2D, coords2D, p1.c_str());
268 270
(...skipping 247 matching lines...) Expand 10 before | Expand all | Expand 10 after
516 "Conical2FSParams"); 518 "Conical2FSParams");
517 SkString tName("t"); 519 SkString tName("t");
518 SkString p0; // focalX 520 SkString p0; // focalX
519 SkString p1; // 1 - focalX * focalX 521 SkString p1; // 1 - focalX * focalX
520 522
521 p0.appendf("%s.x", uniformHandler->getUniformVariable(fParamUni).getName().c _str()); 523 p0.appendf("%s.x", uniformHandler->getUniformVariable(fParamUni).getName().c _str());
522 p1.appendf("%s.y", uniformHandler->getUniformVariable(fParamUni).getName().c _str()); 524 p1.appendf("%s.y", uniformHandler->getUniformVariable(fParamUni).getName().c _str());
523 525
524 // if we have a vec3 from being in perspective, convert it to a vec2 first 526 // if we have a vec3 from being in perspective, convert it to a vec2 first
525 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; 527 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
526 SkString coords2DString = fragBuilder->ensureFSCoords2D(args.fCoords, 0); 528 SkString coords2DString = fragBuilder->ensureCoords2D(args.fTransformedCoord s[0]);
527 const char* coords2D = coords2DString.c_str(); 529 const char* coords2D = coords2DString.c_str();
528 530
529 // t = p.x * focal.x +/- sqrt(p.x^2 + (1 - focal.x^2) * p.y^2) 531 // t = p.x * focal.x +/- sqrt(p.x^2 + (1 - focal.x^2) * p.y^2)
530 532
531 // output will default to transparent black (we simply won't write anything 533 // output will default to transparent black (we simply won't write anything
532 // else to it if invalid, instead of discarding or returning prematurely) 534 // else to it if invalid, instead of discarding or returning prematurely)
533 fragBuilder->codeAppendf("\t%s = vec4(0.0,0.0,0.0,0.0);\n", args.fOutputColo r); 535 fragBuilder->codeAppendf("\t%s = vec4(0.0,0.0,0.0,0.0);\n", args.fOutputColo r);
534 536
535 fragBuilder->codeAppendf("\tfloat xs = %s.x * %s.x;\n", coords2D, coords2D); 537 fragBuilder->codeAppendf("\tfloat xs = %s.x * %s.x;\n", coords2D, coords2D);
536 fragBuilder->codeAppendf("\tfloat ys = %s.y * %s.y;\n", coords2D, coords2D); 538 fragBuilder->codeAppendf("\tfloat ys = %s.y * %s.y;\n", coords2D, coords2D);
(...skipping 187 matching lines...) Expand 10 before | Expand all | Expand 10 after
724 kFloat_GrSLType, kDefault_GrSLPrecisi on, 726 kFloat_GrSLType, kDefault_GrSLPrecisi on,
725 "Conical2FSParams"); 727 "Conical2FSParams");
726 SkString tName("t"); 728 SkString tName("t");
727 729
728 // this is the distance along x-axis from the end center to focal point in 730 // this is the distance along x-axis from the end center to focal point in
729 // transformed coordinates 731 // transformed coordinates
730 GrGLSLShaderVar focal = uniformHandler->getUniformVariable(fFocalUni); 732 GrGLSLShaderVar focal = uniformHandler->getUniformVariable(fFocalUni);
731 733
732 // if we have a vec3 from being in perspective, convert it to a vec2 first 734 // if we have a vec3 from being in perspective, convert it to a vec2 first
733 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; 735 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
734 SkString coords2DString = fragBuilder->ensureFSCoords2D(args.fCoords, 0); 736 SkString coords2DString = fragBuilder->ensureCoords2D(args.fTransformedCoord s[0]);
735 const char* coords2D = coords2DString.c_str(); 737 const char* coords2D = coords2DString.c_str();
736 738
737 // t = p.x * focalX + length(p) 739 // t = p.x * focalX + length(p)
738 fragBuilder->codeAppendf("\tfloat %s = %s.x * %s + length(%s);\n", tName.c_ str(), 740 fragBuilder->codeAppendf("\tfloat %s = %s.x * %s + length(%s);\n", tName.c_ str(),
739 coords2D, focal.c_str(), coords2D); 741 coords2D, focal.c_str(), coords2D);
740 742
741 this->emitColor(fragBuilder, 743 this->emitColor(fragBuilder,
742 uniformHandler, 744 uniformHandler,
743 args.fGLSLCaps, 745 args.fGLSLCaps,
744 ge, 746 ge,
(...skipping 242 matching lines...) Expand 10 before | Expand all | Expand 10 after
987 SkString tName("t"); 989 SkString tName("t");
988 990
989 GrGLSLShaderVar center = uniformHandler->getUniformVariable(fCenterUni); 991 GrGLSLShaderVar center = uniformHandler->getUniformVariable(fCenterUni);
990 // params.x = A 992 // params.x = A
991 // params.y = B 993 // params.y = B
992 // params.z = C 994 // params.z = C
993 GrGLSLShaderVar params = uniformHandler->getUniformVariable(fParamUni); 995 GrGLSLShaderVar params = uniformHandler->getUniformVariable(fParamUni);
994 996
995 // if we have a vec3 from being in perspective, convert it to a vec2 first 997 // if we have a vec3 from being in perspective, convert it to a vec2 first
996 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; 998 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
997 SkString coords2DString = fragBuilder->ensureFSCoords2D(args.fCoords, 0); 999 SkString coords2DString = fragBuilder->ensureCoords2D(args.fTransformedCoord s[0]);
998 const char* coords2D = coords2DString.c_str(); 1000 const char* coords2D = coords2DString.c_str();
999 1001
1000 // p = coords2D 1002 // p = coords2D
1001 // e = center end 1003 // e = center end
1002 // r = radius end 1004 // r = radius end
1003 // A = dot(e, e) - r^2 + 2 * r - 1 1005 // A = dot(e, e) - r^2 + 2 * r - 1
1004 // B = (r -1) / A 1006 // B = (r -1) / A
1005 // C = 1 / A 1007 // C = 1 / A
1006 // d = dot(e, p) + B 1008 // d = dot(e, p) + B
1007 // t = d +/- sqrt(d^2 - A * dot(p, p) + C) 1009 // t = d +/- sqrt(d^2 - A * dot(p, p) + C)
(...skipping 222 matching lines...) Expand 10 before | Expand all | Expand 10 after
1230 SkString tName("t"); 1232 SkString tName("t");
1231 1233
1232 GrGLSLShaderVar center = uniformHandler->getUniformVariable(fCenterUni); 1234 GrGLSLShaderVar center = uniformHandler->getUniformVariable(fCenterUni);
1233 // params.x = A 1235 // params.x = A
1234 // params.y = B 1236 // params.y = B
1235 // params.z = C 1237 // params.z = C
1236 GrGLSLShaderVar params = uniformHandler->getUniformVariable(fParamUni); 1238 GrGLSLShaderVar params = uniformHandler->getUniformVariable(fParamUni);
1237 1239
1238 // if we have a vec3 from being in perspective, convert it to a vec2 first 1240 // if we have a vec3 from being in perspective, convert it to a vec2 first
1239 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; 1241 GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder;
1240 SkString coords2DString = fragBuilder->ensureFSCoords2D(args.fCoords, 0); 1242 SkString coords2DString = fragBuilder->ensureCoords2D(args.fTransformedCoord s[0]);
1241 const char* coords2D = coords2DString.c_str(); 1243 const char* coords2D = coords2DString.c_str();
1242 1244
1243 // output will default to transparent black (we simply won't write anything 1245 // output will default to transparent black (we simply won't write anything
1244 // else to it if invalid, instead of discarding or returning prematurely) 1246 // else to it if invalid, instead of discarding or returning prematurely)
1245 fragBuilder->codeAppendf("\t%s = vec4(0.0,0.0,0.0,0.0);\n", args.fOutputColo r); 1247 fragBuilder->codeAppendf("\t%s = vec4(0.0,0.0,0.0,0.0);\n", args.fOutputColo r);
1246 1248
1247 // p = coords2D 1249 // p = coords2D
1248 // e = center end 1250 // e = center end
1249 // r = radius end 1251 // r = radius end
1250 // A = dot(e, e) - r^2 + 2 * r - 1 1252 // A = dot(e, e) - r^2 + 2 * r - 1
(...skipping 105 matching lines...) Expand 10 before | Expand all | Expand 10 after
1356 return CircleInside2PtConicalEffect::Make(ctx, shader, matrix, tm, info) ; 1358 return CircleInside2PtConicalEffect::Make(ctx, shader, matrix, tm, info) ;
1357 } else if (type == kEdge_ConicalType) { 1359 } else if (type == kEdge_ConicalType) {
1358 set_matrix_edge_conical(shader, &matrix); 1360 set_matrix_edge_conical(shader, &matrix);
1359 return Edge2PtConicalEffect::Make(ctx, shader, matrix, tm); 1361 return Edge2PtConicalEffect::Make(ctx, shader, matrix, tm);
1360 } else { 1362 } else {
1361 return CircleOutside2PtConicalEffect::Make(ctx, shader, matrix, tm, info ); 1363 return CircleOutside2PtConicalEffect::Make(ctx, shader, matrix, tm, info );
1362 } 1364 }
1363 } 1365 }
1364 1366
1365 #endif 1367 #endif
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