Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(191)

Side by Side Diff: src/gpu/GrAARectRenderer.cpp

Issue 345083002: Stop referencing gl_FragCoord z and w components. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: fix circle effect Created 6 years, 6 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « src/effects/SkBlurMaskFilter.cpp ('k') | src/gpu/effects/GrDitherEffect.cpp » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 /* 1 /*
2 * Copyright 2012 Google Inc. 2 * Copyright 2012 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 "GrAARectRenderer.h" 8 #include "GrAARectRenderer.h"
9 #include "GrGpu.h" 9 #include "GrGpu.h"
10 #include "gl/GrGLEffect.h" 10 #include "gl/GrGLEffect.h"
(...skipping 182 matching lines...) Expand 10 before | Expand all | Expand 10 after
193 // < 1 pixel wide or tall they serve to normalize the < 1 ramp to a 0 .. 1 range. 193 // < 1 pixel wide or tall they serve to normalize the < 1 ramp to a 0 .. 1 range.
194 builder->fsCodeAppend("\tfloat spanW = insetW + outset;\n"); 194 builder->fsCodeAppend("\tfloat spanW = insetW + outset;\n");
195 builder->fsCodeAppend("\tfloat spanH = insetH + outset;\n"); 195 builder->fsCodeAppend("\tfloat spanH = insetH + outset;\n");
196 // For rects < 1 pixel wide or tall, these scale factors are used to cap the maximum 196 // For rects < 1 pixel wide or tall, these scale factors are used to cap the maximum
197 // value of coverage that is used. In other words it is the coverage that is 197 // value of coverage that is used. In other words it is the coverage that is
198 // used in the interior of the rect after the ramp. 198 // used in the interior of the rect after the ramp.
199 builder->fsCodeAppend("\tfloat scaleW = min(1.0, 2.0*insetW/spanW);\ n"); 199 builder->fsCodeAppend("\tfloat scaleW = min(1.0, 2.0*insetW/spanW);\ n");
200 builder->fsCodeAppend("\tfloat scaleH = min(1.0, 2.0*insetH/spanH);\ n"); 200 builder->fsCodeAppend("\tfloat scaleH = min(1.0, 2.0*insetH/spanH);\ n");
201 201
202 // Compute the coverage for the rect's width 202 // Compute the coverage for the rect's width
203 builder->fsCodeAppendf("\tvec2 offset = %s.xy - %s.xy;\n", 203 builder->fsCodeAppendf("\tvec2 offset = %s - %s.xy;\n",
204 builder->fragmentPosition(), fsRectEdgeName); 204 builder->fragmentPosition(), fsRectEdgeName);
205 builder->fsCodeAppendf("\tfloat perpDot = abs(offset.x * %s.w - offs et.y * %s.z);\n", 205 builder->fsCodeAppendf("\tfloat perpDot = abs(offset.x * %s.w - offs et.y * %s.z);\n",
206 fsRectEdgeName, fsRectEdgeName); 206 fsRectEdgeName, fsRectEdgeName);
207 builder->fsCodeAppendf( 207 builder->fsCodeAppendf(
208 "\tfloat coverage = scaleW*clamp((%s.x-perpDot)/spanW, 0.0, 1.0) ;\n", 208 "\tfloat coverage = scaleW*clamp((%s.x-perpDot)/spanW, 0.0, 1.0) ;\n",
209 fsWidthHeightName); 209 fsWidthHeightName);
210 210
211 // Compute the coverage for the rect's height and merge with the wid th 211 // Compute the coverage for the rect's height and merge with the wid th
212 builder->fsCodeAppendf("\tperpDot = abs(dot(offset, %s.zw));\n", 212 builder->fsCodeAppendf("\tperpDot = abs(dot(offset, %s.zw));\n",
213 fsRectEdgeName); 213 fsRectEdgeName);
(...skipping 709 matching lines...) Expand 10 before | Expand all | Expand 10 after
923 combinedMatrix.mapPoints((SkPoint*)&devInside, (const SkPoint*)&rects[1], 2) ; 923 combinedMatrix.mapPoints((SkPoint*)&devInside, (const SkPoint*)&rects[1], 2) ;
924 924
925 if (devInside.isEmpty()) { 925 if (devInside.isEmpty()) {
926 this->fillAARect(gpu, target, devOutside, SkMatrix::I(), devOutside, use VertexCoverage); 926 this->fillAARect(gpu, target, devOutside, SkMatrix::I(), devOutside, use VertexCoverage);
927 return; 927 return;
928 } 928 }
929 929
930 this->geometryStrokeAARect(gpu, target, devOutside, devOutsideAssist, 930 this->geometryStrokeAARect(gpu, target, devOutside, devOutsideAssist,
931 devInside, useVertexCoverage, true); 931 devInside, useVertexCoverage, true);
932 } 932 }
OLDNEW
« no previous file with comments | « src/effects/SkBlurMaskFilter.cpp ('k') | src/gpu/effects/GrDitherEffect.cpp » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698