bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2012 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "GrAAConvexPathRenderer.h" |
| 9 | |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 10 | #include "GrAAConvexTessellator.h" |
bsalomon | 7539856 | 2015-08-17 12:55:38 -0700 | [diff] [blame] | 11 | #include "GrBatchFlushState.h" |
joshualitt | 8e5c177 | 2015-05-11 08:58:52 -0700 | [diff] [blame] | 12 | #include "GrBatchTest.h" |
bsalomon | eb1cb5c | 2015-05-22 08:01:09 -0700 | [diff] [blame] | 13 | #include "GrCaps.h" |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 14 | #include "GrContext.h" |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 15 | #include "GrDefaultGeoProcFactory.h" |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 16 | #include "GrGeometryProcessor.h" |
egdaniel | 605dd0f | 2014-11-12 08:35:25 -0800 | [diff] [blame] | 17 | #include "GrInvariantOutput.h" |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 18 | #include "GrPathUtils.h" |
egdaniel | 8dd688b | 2015-01-22 10:16:09 -0800 | [diff] [blame] | 19 | #include "GrProcessor.h" |
| 20 | #include "GrPipelineBuilder.h" |
kkinnunen | 1899651 | 2015-04-26 23:18:49 -0700 | [diff] [blame] | 21 | #include "GrStrokeInfo.h" |
egdaniel | af18a09 | 2015-01-05 10:22:28 -0800 | [diff] [blame] | 22 | #include "SkGeometry.h" |
reed | 026beb5 | 2015-06-10 14:23:15 -0700 | [diff] [blame] | 23 | #include "SkPathPriv.h" |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 24 | #include "SkString.h" |
commit-bot@chromium.org | 933e65d | 2014-03-20 20:00:24 +0000 | [diff] [blame] | 25 | #include "SkTraceEvent.h" |
bsalomon | 16b9913 | 2015-08-13 14:55:50 -0700 | [diff] [blame] | 26 | #include "batches/GrVertexBatch.h" |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 27 | #include "glsl/GrGLSLFragmentShaderBuilder.h" |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 28 | #include "glsl/GrGLSLGeometryProcessor.h" |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 29 | #include "glsl/GrGLSLProgramDataManager.h" |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 30 | #include "glsl/GrGLSLUniformHandler.h" |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 31 | #include "glsl/GrGLSLVarying.h" |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 32 | #include "glsl/GrGLSLVertexShaderBuilder.h" |
commit-bot@chromium.org | 234d4fb | 2013-09-30 19:55:49 +0000 | [diff] [blame] | 33 | |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 34 | GrAAConvexPathRenderer::GrAAConvexPathRenderer() { |
| 35 | } |
| 36 | |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 37 | struct Segment { |
| 38 | enum { |
bsalomon@google.com | 9b1517e | 2012-03-05 17:58:34 +0000 | [diff] [blame] | 39 | // These enum values are assumed in member functions below. |
| 40 | kLine = 0, |
| 41 | kQuad = 1, |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 42 | } fType; |
bsalomon@google.com | 9b1517e | 2012-03-05 17:58:34 +0000 | [diff] [blame] | 43 | |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 44 | // line uses one pt, quad uses 2 pts |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 45 | SkPoint fPts[2]; |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 46 | // normal to edge ending at each pt |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 47 | SkVector fNorms[2]; |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 48 | // is the corner where the previous segment meets this segment |
| 49 | // sharp. If so, fMid is a normalized bisector facing outward. |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 50 | SkVector fMid; |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 51 | |
| 52 | int countPoints() { |
bsalomon@google.com | 9b1517e | 2012-03-05 17:58:34 +0000 | [diff] [blame] | 53 | GR_STATIC_ASSERT(0 == kLine && 1 == kQuad); |
| 54 | return fType + 1; |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 55 | } |
| 56 | const SkPoint& endPt() const { |
bsalomon@google.com | 9b1517e | 2012-03-05 17:58:34 +0000 | [diff] [blame] | 57 | GR_STATIC_ASSERT(0 == kLine && 1 == kQuad); |
| 58 | return fPts[fType]; |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 59 | }; |
| 60 | const SkPoint& endNorm() const { |
bsalomon@google.com | 9b1517e | 2012-03-05 17:58:34 +0000 | [diff] [blame] | 61 | GR_STATIC_ASSERT(0 == kLine && 1 == kQuad); |
| 62 | return fNorms[fType]; |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 63 | }; |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 64 | }; |
| 65 | |
| 66 | typedef SkTArray<Segment, true> SegmentArray; |
| 67 | |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 68 | static void center_of_mass(const SegmentArray& segments, SkPoint* c) { |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 69 | SkScalar area = 0; |
vandebo@chromium.org | 6390c72 | 2012-03-28 21:03:22 +0000 | [diff] [blame] | 70 | SkPoint center = {0, 0}; |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 71 | int count = segments.count(); |
vandebo@chromium.org | 6390c72 | 2012-03-28 21:03:22 +0000 | [diff] [blame] | 72 | SkPoint p0 = {0, 0}; |
bsalomon@google.com | 5b56d9e | 2012-02-23 19:18:37 +0000 | [diff] [blame] | 73 | if (count > 2) { |
| 74 | // We translate the polygon so that the first point is at the origin. |
| 75 | // This avoids some precision issues with small area polygons far away |
| 76 | // from the origin. |
| 77 | p0 = segments[0].endPt(); |
| 78 | SkPoint pi; |
| 79 | SkPoint pj; |
bsalomon@google.com | a51ab84 | 2012-07-10 19:53:34 +0000 | [diff] [blame] | 80 | // the first and last iteration of the below loop would compute |
bsalomon@google.com | 5b56d9e | 2012-02-23 19:18:37 +0000 | [diff] [blame] | 81 | // zeros since the starting / ending point is (0,0). So instead we start |
| 82 | // at i=1 and make the last iteration i=count-2. |
| 83 | pj = segments[1].endPt() - p0; |
| 84 | for (int i = 1; i < count - 1; ++i) { |
| 85 | pi = pj; |
robertphillips | 44c3128 | 2015-09-03 12:58:48 -0700 | [diff] [blame] | 86 | pj = segments[i + 1].endPt() - p0; |
bsalomon@google.com | 5b56d9e | 2012-02-23 19:18:37 +0000 | [diff] [blame] | 87 | |
robertphillips | 44c3128 | 2015-09-03 12:58:48 -0700 | [diff] [blame] | 88 | SkScalar t = SkPoint::CrossProduct(pi, pj); |
bsalomon@google.com | 5b56d9e | 2012-02-23 19:18:37 +0000 | [diff] [blame] | 89 | area += t; |
| 90 | center.fX += (pi.fX + pj.fX) * t; |
| 91 | center.fY += (pi.fY + pj.fY) * t; |
bsalomon@google.com | 5b56d9e | 2012-02-23 19:18:37 +0000 | [diff] [blame] | 92 | } |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 93 | } |
robertphillips | 44c3128 | 2015-09-03 12:58:48 -0700 | [diff] [blame] | 94 | |
bsalomon@google.com | 278dc69 | 2012-02-15 16:52:51 +0000 | [diff] [blame] | 95 | // If the poly has no area then we instead return the average of |
| 96 | // its points. |
bsalomon@google.com | 5b56d9e | 2012-02-23 19:18:37 +0000 | [diff] [blame] | 97 | if (SkScalarNearlyZero(area)) { |
bsalomon@google.com | 278dc69 | 2012-02-15 16:52:51 +0000 | [diff] [blame] | 98 | SkPoint avg; |
| 99 | avg.set(0, 0); |
| 100 | for (int i = 0; i < count; ++i) { |
| 101 | const SkPoint& pt = segments[i].endPt(); |
| 102 | avg.fX += pt.fX; |
| 103 | avg.fY += pt.fY; |
| 104 | } |
| 105 | SkScalar denom = SK_Scalar1 / count; |
| 106 | avg.scale(denom); |
| 107 | *c = avg; |
| 108 | } else { |
| 109 | area *= 3; |
reed | 80ea19c | 2015-05-12 10:37:34 -0700 | [diff] [blame] | 110 | area = SkScalarInvert(area); |
robertphillips | 44c3128 | 2015-09-03 12:58:48 -0700 | [diff] [blame] | 111 | center.scale(area); |
bsalomon@google.com | 5b56d9e | 2012-02-23 19:18:37 +0000 | [diff] [blame] | 112 | // undo the translate of p0 to the origin. |
| 113 | *c = center + p0; |
bsalomon@google.com | 278dc69 | 2012-02-15 16:52:51 +0000 | [diff] [blame] | 114 | } |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 115 | SkASSERT(!SkScalarIsNaN(c->fX) && !SkScalarIsNaN(c->fY)); |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 116 | } |
| 117 | |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 118 | static void compute_vectors(SegmentArray* segments, |
| 119 | SkPoint* fanPt, |
reed | 026beb5 | 2015-06-10 14:23:15 -0700 | [diff] [blame] | 120 | SkPathPriv::FirstDirection dir, |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 121 | int* vCount, |
| 122 | int* iCount) { |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 123 | center_of_mass(*segments, fanPt); |
| 124 | int count = segments->count(); |
| 125 | |
bsalomon@google.com | 278dc69 | 2012-02-15 16:52:51 +0000 | [diff] [blame] | 126 | // Make the normals point towards the outside |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 127 | SkPoint::Side normSide; |
reed | 026beb5 | 2015-06-10 14:23:15 -0700 | [diff] [blame] | 128 | if (dir == SkPathPriv::kCCW_FirstDirection) { |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 129 | normSide = SkPoint::kRight_Side; |
bsalomon@google.com | 278dc69 | 2012-02-15 16:52:51 +0000 | [diff] [blame] | 130 | } else { |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 131 | normSide = SkPoint::kLeft_Side; |
bsalomon@google.com | 278dc69 | 2012-02-15 16:52:51 +0000 | [diff] [blame] | 132 | } |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 133 | |
| 134 | *vCount = 0; |
| 135 | *iCount = 0; |
| 136 | // compute normals at all points |
| 137 | for (int a = 0; a < count; ++a) { |
bsalomon@google.com | 7d9ffc8 | 2013-05-14 14:20:28 +0000 | [diff] [blame] | 138 | Segment& sega = (*segments)[a]; |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 139 | int b = (a + 1) % count; |
| 140 | Segment& segb = (*segments)[b]; |
| 141 | |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 142 | const SkPoint* prevPt = &sega.endPt(); |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 143 | int n = segb.countPoints(); |
| 144 | for (int p = 0; p < n; ++p) { |
| 145 | segb.fNorms[p] = segb.fPts[p] - *prevPt; |
| 146 | segb.fNorms[p].normalize(); |
| 147 | segb.fNorms[p].setOrthog(segb.fNorms[p], normSide); |
| 148 | prevPt = &segb.fPts[p]; |
| 149 | } |
| 150 | if (Segment::kLine == segb.fType) { |
| 151 | *vCount += 5; |
| 152 | *iCount += 9; |
| 153 | } else { |
| 154 | *vCount += 6; |
| 155 | *iCount += 12; |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | // compute mid-vectors where segments meet. TODO: Detect shallow corners |
| 160 | // and leave out the wedges and close gaps by stitching segments together. |
| 161 | for (int a = 0; a < count; ++a) { |
| 162 | const Segment& sega = (*segments)[a]; |
| 163 | int b = (a + 1) % count; |
| 164 | Segment& segb = (*segments)[b]; |
| 165 | segb.fMid = segb.fNorms[0] + sega.endNorm(); |
| 166 | segb.fMid.normalize(); |
| 167 | // corner wedges |
| 168 | *vCount += 4; |
| 169 | *iCount += 6; |
| 170 | } |
| 171 | } |
| 172 | |
bsalomon@google.com | 9732f62 | 2012-01-31 15:19:21 +0000 | [diff] [blame] | 173 | struct DegenerateTestData { |
| 174 | DegenerateTestData() { fStage = kInitial; } |
| 175 | bool isDegenerate() const { return kNonDegenerate != fStage; } |
| 176 | enum { |
| 177 | kInitial, |
| 178 | kPoint, |
| 179 | kLine, |
| 180 | kNonDegenerate |
| 181 | } fStage; |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 182 | SkPoint fFirstPoint; |
| 183 | SkVector fLineNormal; |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 184 | SkScalar fLineC; |
bsalomon@google.com | 9732f62 | 2012-01-31 15:19:21 +0000 | [diff] [blame] | 185 | }; |
| 186 | |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 187 | static const SkScalar kClose = (SK_Scalar1 / 16); |
| 188 | static const SkScalar kCloseSqd = SkScalarMul(kClose, kClose); |
bsalomon@google.com | 9732f62 | 2012-01-31 15:19:21 +0000 | [diff] [blame] | 189 | |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 190 | static void update_degenerate_test(DegenerateTestData* data, const SkPoint& pt) { |
bsalomon@google.com | 9732f62 | 2012-01-31 15:19:21 +0000 | [diff] [blame] | 191 | switch (data->fStage) { |
| 192 | case DegenerateTestData::kInitial: |
| 193 | data->fFirstPoint = pt; |
| 194 | data->fStage = DegenerateTestData::kPoint; |
| 195 | break; |
| 196 | case DegenerateTestData::kPoint: |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 197 | if (pt.distanceToSqd(data->fFirstPoint) > kCloseSqd) { |
bsalomon@google.com | 9732f62 | 2012-01-31 15:19:21 +0000 | [diff] [blame] | 198 | data->fLineNormal = pt - data->fFirstPoint; |
| 199 | data->fLineNormal.normalize(); |
| 200 | data->fLineNormal.setOrthog(data->fLineNormal); |
| 201 | data->fLineC = -data->fLineNormal.dot(data->fFirstPoint); |
| 202 | data->fStage = DegenerateTestData::kLine; |
| 203 | } |
| 204 | break; |
| 205 | case DegenerateTestData::kLine: |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 206 | if (SkScalarAbs(data->fLineNormal.dot(pt) + data->fLineC) > kClose) { |
bsalomon@google.com | 9732f62 | 2012-01-31 15:19:21 +0000 | [diff] [blame] | 207 | data->fStage = DegenerateTestData::kNonDegenerate; |
| 208 | } |
| 209 | case DegenerateTestData::kNonDegenerate: |
| 210 | break; |
| 211 | default: |
commit-bot@chromium.org | 88cb22b | 2014-04-30 14:17:00 +0000 | [diff] [blame] | 212 | SkFAIL("Unexpected degenerate test stage."); |
bsalomon@google.com | 9732f62 | 2012-01-31 15:19:21 +0000 | [diff] [blame] | 213 | } |
| 214 | } |
| 215 | |
reed | 026beb5 | 2015-06-10 14:23:15 -0700 | [diff] [blame] | 216 | static inline bool get_direction(const SkPath& path, const SkMatrix& m, |
| 217 | SkPathPriv::FirstDirection* dir) { |
| 218 | if (!SkPathPriv::CheapComputeFirstDirection(path, dir)) { |
bsalomon@google.com | a51ab84 | 2012-07-10 19:53:34 +0000 | [diff] [blame] | 219 | return false; |
| 220 | } |
bsalomon@google.com | af90f7f | 2012-03-05 20:50:10 +0000 | [diff] [blame] | 221 | // check whether m reverses the orientation |
tfarina@chromium.org | f6de475 | 2013-08-17 00:02:59 +0000 | [diff] [blame] | 222 | SkASSERT(!m.hasPerspective()); |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 223 | SkScalar det2x2 = SkScalarMul(m.get(SkMatrix::kMScaleX), m.get(SkMatrix::kMScaleY)) - |
| 224 | SkScalarMul(m.get(SkMatrix::kMSkewX), m.get(SkMatrix::kMSkewY)); |
bsalomon@google.com | af90f7f | 2012-03-05 20:50:10 +0000 | [diff] [blame] | 225 | if (det2x2 < 0) { |
reed | 026beb5 | 2015-06-10 14:23:15 -0700 | [diff] [blame] | 226 | *dir = SkPathPriv::OppositeFirstDirection(*dir); |
bsalomon@google.com | af90f7f | 2012-03-05 20:50:10 +0000 | [diff] [blame] | 227 | } |
bsalomon@google.com | a51ab84 | 2012-07-10 19:53:34 +0000 | [diff] [blame] | 228 | return true; |
bsalomon@google.com | af90f7f | 2012-03-05 20:50:10 +0000 | [diff] [blame] | 229 | } |
| 230 | |
commit-bot@chromium.org | 106655e | 2013-09-03 21:28:55 +0000 | [diff] [blame] | 231 | static inline void add_line_to_segment(const SkPoint& pt, |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 232 | SegmentArray* segments) { |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 233 | segments->push_back(); |
| 234 | segments->back().fType = Segment::kLine; |
| 235 | segments->back().fPts[0] = pt; |
| 236 | } |
| 237 | |
commit-bot@chromium.org | 106655e | 2013-09-03 21:28:55 +0000 | [diff] [blame] | 238 | static inline void add_quad_segment(const SkPoint pts[3], |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 239 | SegmentArray* segments) { |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 240 | if (pts[0].distanceToSqd(pts[1]) < kCloseSqd || pts[1].distanceToSqd(pts[2]) < kCloseSqd) { |
| 241 | if (pts[0] != pts[2]) { |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 242 | add_line_to_segment(pts[2], segments); |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 243 | } |
| 244 | } else { |
| 245 | segments->push_back(); |
| 246 | segments->back().fType = Segment::kQuad; |
| 247 | segments->back().fPts[0] = pts[1]; |
| 248 | segments->back().fPts[1] = pts[2]; |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | static inline void add_cubic_segments(const SkPoint pts[4], |
reed | 026beb5 | 2015-06-10 14:23:15 -0700 | [diff] [blame] | 253 | SkPathPriv::FirstDirection dir, |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 254 | SegmentArray* segments) { |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 255 | SkSTArray<15, SkPoint, true> quads; |
bsalomon | 18fab30 | 2016-02-16 08:00:05 -0800 | [diff] [blame] | 256 | GrPathUtils::convertCubicToQuadsConstrainToTangents(pts, SK_Scalar1, dir, &quads); |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 257 | int count = quads.count(); |
| 258 | for (int q = 0; q < count; q += 3) { |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 259 | add_quad_segment(&quads[q], segments); |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 260 | } |
| 261 | } |
| 262 | |
| 263 | static bool get_segments(const SkPath& path, |
| 264 | const SkMatrix& m, |
| 265 | SegmentArray* segments, |
| 266 | SkPoint* fanPt, |
| 267 | int* vCount, |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 268 | int* iCount) { |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 269 | SkPath::Iter iter(path, true); |
bsalomon@google.com | 30c174b | 2012-11-13 14:36:42 +0000 | [diff] [blame] | 270 | // This renderer over-emphasizes very thin path regions. We use the distance |
bsalomon@google.com | 5cc90d1 | 2012-01-17 16:28:34 +0000 | [diff] [blame] | 271 | // to the path from the sample to compute coverage. Every pixel intersected |
| 272 | // by the path will be hit and the maximum distance is sqrt(2)/2. We don't |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 273 | // notice that the sample may be close to a very thin area of the path and |
bsalomon@google.com | 5cc90d1 | 2012-01-17 16:28:34 +0000 | [diff] [blame] | 274 | // thus should be very light. This is particularly egregious for degenerate |
| 275 | // line paths. We detect paths that are very close to a line (zero area) and |
| 276 | // draw nothing. |
bsalomon@google.com | 9732f62 | 2012-01-31 15:19:21 +0000 | [diff] [blame] | 277 | DegenerateTestData degenerateData; |
reed | 026beb5 | 2015-06-10 14:23:15 -0700 | [diff] [blame] | 278 | SkPathPriv::FirstDirection dir; |
bsalomon@google.com | a51ab84 | 2012-07-10 19:53:34 +0000 | [diff] [blame] | 279 | // get_direction can fail for some degenerate paths. |
| 280 | if (!get_direction(path, m, &dir)) { |
| 281 | return false; |
| 282 | } |
bsalomon@google.com | 9732f62 | 2012-01-31 15:19:21 +0000 | [diff] [blame] | 283 | |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 284 | for (;;) { |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 285 | SkPoint pts[4]; |
bsalomon@google.com | 94b284d | 2013-05-10 17:14:06 +0000 | [diff] [blame] | 286 | SkPath::Verb verb = iter.next(pts); |
| 287 | switch (verb) { |
| 288 | case SkPath::kMove_Verb: |
bsalomon@google.com | 1a38d55 | 2012-03-15 14:40:46 +0000 | [diff] [blame] | 289 | m.mapPoints(pts, 1); |
bsalomon@google.com | 9732f62 | 2012-01-31 15:19:21 +0000 | [diff] [blame] | 290 | update_degenerate_test(°enerateData, pts[0]); |
| 291 | break; |
bsalomon@google.com | 94b284d | 2013-05-10 17:14:06 +0000 | [diff] [blame] | 292 | case SkPath::kLine_Verb: { |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 293 | m.mapPoints(&pts[1], 1); |
bsalomon@google.com | 1a38d55 | 2012-03-15 14:40:46 +0000 | [diff] [blame] | 294 | update_degenerate_test(°enerateData, pts[1]); |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 295 | add_line_to_segment(pts[1], segments); |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 296 | break; |
| 297 | } |
bsalomon@google.com | 94b284d | 2013-05-10 17:14:06 +0000 | [diff] [blame] | 298 | case SkPath::kQuad_Verb: |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 299 | m.mapPoints(pts, 3); |
bsalomon@google.com | 9732f62 | 2012-01-31 15:19:21 +0000 | [diff] [blame] | 300 | update_degenerate_test(°enerateData, pts[1]); |
| 301 | update_degenerate_test(°enerateData, pts[2]); |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 302 | add_quad_segment(pts, segments); |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 303 | break; |
egdaniel | af18a09 | 2015-01-05 10:22:28 -0800 | [diff] [blame] | 304 | case SkPath::kConic_Verb: { |
| 305 | m.mapPoints(pts, 3); |
| 306 | SkScalar weight = iter.conicWeight(); |
| 307 | SkAutoConicToQuads converter; |
| 308 | const SkPoint* quadPts = converter.computeQuads(pts, weight, 0.5f); |
| 309 | for (int i = 0; i < converter.countQuads(); ++i) { |
| 310 | update_degenerate_test(°enerateData, quadPts[2*i + 1]); |
| 311 | update_degenerate_test(°enerateData, quadPts[2*i + 2]); |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 312 | add_quad_segment(quadPts + 2*i, segments); |
egdaniel | af18a09 | 2015-01-05 10:22:28 -0800 | [diff] [blame] | 313 | } |
| 314 | break; |
| 315 | } |
bsalomon@google.com | 94b284d | 2013-05-10 17:14:06 +0000 | [diff] [blame] | 316 | case SkPath::kCubic_Verb: { |
bsalomon@google.com | 1a38d55 | 2012-03-15 14:40:46 +0000 | [diff] [blame] | 317 | m.mapPoints(pts, 4); |
bsalomon@google.com | 9732f62 | 2012-01-31 15:19:21 +0000 | [diff] [blame] | 318 | update_degenerate_test(°enerateData, pts[1]); |
| 319 | update_degenerate_test(°enerateData, pts[2]); |
| 320 | update_degenerate_test(°enerateData, pts[3]); |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 321 | add_cubic_segments(pts, dir, segments); |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 322 | break; |
| 323 | }; |
bsalomon@google.com | 94b284d | 2013-05-10 17:14:06 +0000 | [diff] [blame] | 324 | case SkPath::kDone_Verb: |
bsalomon@google.com | 9732f62 | 2012-01-31 15:19:21 +0000 | [diff] [blame] | 325 | if (degenerateData.isDegenerate()) { |
| 326 | return false; |
| 327 | } else { |
bsalomon@google.com | 278dc69 | 2012-02-15 16:52:51 +0000 | [diff] [blame] | 328 | compute_vectors(segments, fanPt, dir, vCount, iCount); |
bsalomon@google.com | 9732f62 | 2012-01-31 15:19:21 +0000 | [diff] [blame] | 329 | return true; |
| 330 | } |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 331 | default: |
| 332 | break; |
| 333 | } |
| 334 | } |
| 335 | } |
| 336 | |
| 337 | struct QuadVertex { |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 338 | SkPoint fPos; |
| 339 | SkPoint fUV; |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 340 | SkScalar fD0; |
| 341 | SkScalar fD1; |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 342 | }; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 343 | |
bsalomon@google.com | 7d9ffc8 | 2013-05-14 14:20:28 +0000 | [diff] [blame] | 344 | struct Draw { |
| 345 | Draw() : fVertexCnt(0), fIndexCnt(0) {} |
| 346 | int fVertexCnt; |
| 347 | int fIndexCnt; |
| 348 | }; |
| 349 | |
| 350 | typedef SkTArray<Draw, true> DrawArray; |
| 351 | |
commit-bot@chromium.org | fdfbb9d | 2013-08-15 18:16:27 +0000 | [diff] [blame] | 352 | static void create_vertices(const SegmentArray& segments, |
| 353 | const SkPoint& fanPt, |
| 354 | DrawArray* draws, |
| 355 | QuadVertex* verts, |
| 356 | uint16_t* idxs) { |
bsalomon@google.com | 7d9ffc8 | 2013-05-14 14:20:28 +0000 | [diff] [blame] | 357 | Draw* draw = &draws->push_back(); |
| 358 | // alias just to make vert/index assignments easier to read. |
| 359 | int* v = &draw->fVertexCnt; |
| 360 | int* i = &draw->fIndexCnt; |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 361 | |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 362 | int count = segments.count(); |
| 363 | for (int a = 0; a < count; ++a) { |
| 364 | const Segment& sega = segments[a]; |
| 365 | int b = (a + 1) % count; |
| 366 | const Segment& segb = segments[b]; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 367 | |
bsalomon@google.com | 7d9ffc8 | 2013-05-14 14:20:28 +0000 | [diff] [blame] | 368 | // Check whether adding the verts for this segment to the current draw would cause index |
| 369 | // values to overflow. |
| 370 | int vCount = 4; |
| 371 | if (Segment::kLine == segb.fType) { |
| 372 | vCount += 5; |
| 373 | } else { |
| 374 | vCount += 6; |
| 375 | } |
| 376 | if (draw->fVertexCnt + vCount > (1 << 16)) { |
| 377 | verts += *v; |
| 378 | idxs += *i; |
| 379 | draw = &draws->push_back(); |
| 380 | v = &draw->fVertexCnt; |
| 381 | i = &draw->fIndexCnt; |
| 382 | } |
| 383 | |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 384 | // FIXME: These tris are inset in the 1 unit arc around the corner |
bsalomon@google.com | 7d9ffc8 | 2013-05-14 14:20:28 +0000 | [diff] [blame] | 385 | verts[*v + 0].fPos = sega.endPt(); |
| 386 | verts[*v + 1].fPos = verts[*v + 0].fPos + sega.endNorm(); |
| 387 | verts[*v + 2].fPos = verts[*v + 0].fPos + segb.fMid; |
| 388 | verts[*v + 3].fPos = verts[*v + 0].fPos + segb.fNorms[0]; |
| 389 | verts[*v + 0].fUV.set(0,0); |
| 390 | verts[*v + 1].fUV.set(0,-SK_Scalar1); |
| 391 | verts[*v + 2].fUV.set(0,-SK_Scalar1); |
| 392 | verts[*v + 3].fUV.set(0,-SK_Scalar1); |
| 393 | verts[*v + 0].fD0 = verts[*v + 0].fD1 = -SK_Scalar1; |
| 394 | verts[*v + 1].fD0 = verts[*v + 1].fD1 = -SK_Scalar1; |
| 395 | verts[*v + 2].fD0 = verts[*v + 2].fD1 = -SK_Scalar1; |
| 396 | verts[*v + 3].fD0 = verts[*v + 3].fD1 = -SK_Scalar1; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 397 | |
bsalomon@google.com | 7d9ffc8 | 2013-05-14 14:20:28 +0000 | [diff] [blame] | 398 | idxs[*i + 0] = *v + 0; |
| 399 | idxs[*i + 1] = *v + 2; |
| 400 | idxs[*i + 2] = *v + 1; |
| 401 | idxs[*i + 3] = *v + 0; |
| 402 | idxs[*i + 4] = *v + 3; |
| 403 | idxs[*i + 5] = *v + 2; |
rmistry@google.com | fbfcd56 | 2012-08-23 18:09:54 +0000 | [diff] [blame] | 404 | |
bsalomon@google.com | 7d9ffc8 | 2013-05-14 14:20:28 +0000 | [diff] [blame] | 405 | *v += 4; |
| 406 | *i += 6; |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 407 | |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 408 | if (Segment::kLine == segb.fType) { |
bsalomon@google.com | 7d9ffc8 | 2013-05-14 14:20:28 +0000 | [diff] [blame] | 409 | verts[*v + 0].fPos = fanPt; |
| 410 | verts[*v + 1].fPos = sega.endPt(); |
| 411 | verts[*v + 2].fPos = segb.fPts[0]; |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 412 | |
bsalomon@google.com | 7d9ffc8 | 2013-05-14 14:20:28 +0000 | [diff] [blame] | 413 | verts[*v + 3].fPos = verts[*v + 1].fPos + segb.fNorms[0]; |
| 414 | verts[*v + 4].fPos = verts[*v + 2].fPos + segb.fNorms[0]; |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 415 | |
| 416 | // we draw the line edge as a degenerate quad (u is 0, v is the |
| 417 | // signed distance to the edge) |
bsalomon@google.com | 7d9ffc8 | 2013-05-14 14:20:28 +0000 | [diff] [blame] | 418 | SkScalar dist = fanPt.distanceToLineBetween(verts[*v + 1].fPos, |
| 419 | verts[*v + 2].fPos); |
| 420 | verts[*v + 0].fUV.set(0, dist); |
| 421 | verts[*v + 1].fUV.set(0, 0); |
| 422 | verts[*v + 2].fUV.set(0, 0); |
| 423 | verts[*v + 3].fUV.set(0, -SK_Scalar1); |
| 424 | verts[*v + 4].fUV.set(0, -SK_Scalar1); |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 425 | |
bsalomon@google.com | 7d9ffc8 | 2013-05-14 14:20:28 +0000 | [diff] [blame] | 426 | verts[*v + 0].fD0 = verts[*v + 0].fD1 = -SK_Scalar1; |
| 427 | verts[*v + 1].fD0 = verts[*v + 1].fD1 = -SK_Scalar1; |
| 428 | verts[*v + 2].fD0 = verts[*v + 2].fD1 = -SK_Scalar1; |
| 429 | verts[*v + 3].fD0 = verts[*v + 3].fD1 = -SK_Scalar1; |
| 430 | verts[*v + 4].fD0 = verts[*v + 4].fD1 = -SK_Scalar1; |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 431 | |
cdalton | 3596482 | 2015-04-29 10:14:03 -0700 | [diff] [blame] | 432 | idxs[*i + 0] = *v + 3; |
| 433 | idxs[*i + 1] = *v + 1; |
| 434 | idxs[*i + 2] = *v + 2; |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 435 | |
cdalton | 3596482 | 2015-04-29 10:14:03 -0700 | [diff] [blame] | 436 | idxs[*i + 3] = *v + 4; |
| 437 | idxs[*i + 4] = *v + 3; |
bsalomon@google.com | 7d9ffc8 | 2013-05-14 14:20:28 +0000 | [diff] [blame] | 438 | idxs[*i + 5] = *v + 2; |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 439 | |
cdalton | 3596482 | 2015-04-29 10:14:03 -0700 | [diff] [blame] | 440 | *i += 6; |
| 441 | |
| 442 | // Draw the interior fan if it exists. |
| 443 | // TODO: Detect and combine colinear segments. This will ensure we catch every case |
| 444 | // with no interior, and that the resulting shared edge uses the same endpoints. |
| 445 | if (count >= 3) { |
| 446 | idxs[*i + 0] = *v + 0; |
| 447 | idxs[*i + 1] = *v + 2; |
| 448 | idxs[*i + 2] = *v + 1; |
| 449 | |
| 450 | *i += 3; |
| 451 | } |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 452 | |
bsalomon@google.com | 7d9ffc8 | 2013-05-14 14:20:28 +0000 | [diff] [blame] | 453 | *v += 5; |
bsalomon@google.com | 0680961 | 2012-01-21 15:03:39 +0000 | [diff] [blame] | 454 | } else { |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 455 | SkPoint qpts[] = {sega.endPt(), segb.fPts[0], segb.fPts[1]}; |
bsalomon@google.com | 495e210 | 2012-01-21 14:48:36 +0000 | [diff] [blame] | 456 | |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 457 | SkVector midVec = segb.fNorms[0] + segb.fNorms[1]; |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 458 | midVec.normalize(); |
bsalomon@google.com | 0680961 | 2012-01-21 15:03:39 +0000 | [diff] [blame] | 459 | |
bsalomon@google.com | 7d9ffc8 | 2013-05-14 14:20:28 +0000 | [diff] [blame] | 460 | verts[*v + 0].fPos = fanPt; |
| 461 | verts[*v + 1].fPos = qpts[0]; |
| 462 | verts[*v + 2].fPos = qpts[2]; |
| 463 | verts[*v + 3].fPos = qpts[0] + segb.fNorms[0]; |
| 464 | verts[*v + 4].fPos = qpts[2] + segb.fNorms[1]; |
| 465 | verts[*v + 5].fPos = qpts[1] + midVec; |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 466 | |
bsalomon@google.com | 8171288 | 2012-11-01 17:12:34 +0000 | [diff] [blame] | 467 | SkScalar c = segb.fNorms[0].dot(qpts[0]); |
bsalomon@google.com | 7d9ffc8 | 2013-05-14 14:20:28 +0000 | [diff] [blame] | 468 | verts[*v + 0].fD0 = -segb.fNorms[0].dot(fanPt) + c; |
| 469 | verts[*v + 1].fD0 = 0.f; |
| 470 | verts[*v + 2].fD0 = -segb.fNorms[0].dot(qpts[2]) + c; |
| 471 | verts[*v + 3].fD0 = -SK_ScalarMax/100; |
| 472 | verts[*v + 4].fD0 = -SK_ScalarMax/100; |
| 473 | verts[*v + 5].fD0 = -SK_ScalarMax/100; |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 474 | |
| 475 | c = segb.fNorms[1].dot(qpts[2]); |
bsalomon@google.com | 7d9ffc8 | 2013-05-14 14:20:28 +0000 | [diff] [blame] | 476 | verts[*v + 0].fD1 = -segb.fNorms[1].dot(fanPt) + c; |
| 477 | verts[*v + 1].fD1 = -segb.fNorms[1].dot(qpts[0]) + c; |
| 478 | verts[*v + 2].fD1 = 0.f; |
| 479 | verts[*v + 3].fD1 = -SK_ScalarMax/100; |
| 480 | verts[*v + 4].fD1 = -SK_ScalarMax/100; |
| 481 | verts[*v + 5].fD1 = -SK_ScalarMax/100; |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 482 | |
bsalomon@google.com | 1971317 | 2012-03-15 13:51:08 +0000 | [diff] [blame] | 483 | GrPathUtils::QuadUVMatrix toUV(qpts); |
commit-bot@chromium.org | 972f9cd | 2014-03-28 17:58:28 +0000 | [diff] [blame] | 484 | toUV.apply<6, sizeof(QuadVertex), sizeof(SkPoint)>(verts + *v); |
bsalomon@google.com | 0680961 | 2012-01-21 15:03:39 +0000 | [diff] [blame] | 485 | |
bsalomon@google.com | 7d9ffc8 | 2013-05-14 14:20:28 +0000 | [diff] [blame] | 486 | idxs[*i + 0] = *v + 3; |
| 487 | idxs[*i + 1] = *v + 1; |
| 488 | idxs[*i + 2] = *v + 2; |
| 489 | idxs[*i + 3] = *v + 4; |
| 490 | idxs[*i + 4] = *v + 3; |
| 491 | idxs[*i + 5] = *v + 2; |
bsalomon@google.com | 0680961 | 2012-01-21 15:03:39 +0000 | [diff] [blame] | 492 | |
bsalomon@google.com | 7d9ffc8 | 2013-05-14 14:20:28 +0000 | [diff] [blame] | 493 | idxs[*i + 6] = *v + 5; |
| 494 | idxs[*i + 7] = *v + 3; |
| 495 | idxs[*i + 8] = *v + 4; |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 496 | |
cdalton | 3596482 | 2015-04-29 10:14:03 -0700 | [diff] [blame] | 497 | *i += 9; |
| 498 | |
| 499 | // Draw the interior fan if it exists. |
| 500 | // TODO: Detect and combine colinear segments. This will ensure we catch every case |
| 501 | // with no interior, and that the resulting shared edge uses the same endpoints. |
| 502 | if (count >= 3) { |
| 503 | idxs[*i + 0] = *v + 0; |
| 504 | idxs[*i + 1] = *v + 2; |
| 505 | idxs[*i + 2] = *v + 1; |
| 506 | |
| 507 | *i += 3; |
| 508 | } |
bsalomon@google.com | 9aed114 | 2012-01-30 14:28:39 +0000 | [diff] [blame] | 509 | |
bsalomon@google.com | 7d9ffc8 | 2013-05-14 14:20:28 +0000 | [diff] [blame] | 510 | *v += 6; |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 511 | } |
| 512 | } |
| 513 | } |
| 514 | |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 515 | /////////////////////////////////////////////////////////////////////////////// |
| 516 | |
| 517 | /* |
| 518 | * Quadratic specified by 0=u^2-v canonical coords. u and v are the first |
| 519 | * two components of the vertex attribute. Coverage is based on signed |
| 520 | * distance with negative being inside, positive outside. The edge is specified in |
| 521 | * window space (y-down). If either the third or fourth component of the interpolated |
| 522 | * vertex coord is > 0 then the pixel is considered outside the edge. This is used to |
skia.committer@gmail.com | 041e2db | 2013-04-03 07:01:14 +0000 | [diff] [blame] | 523 | * attempt to trim to a portion of the infinite quad. |
| 524 | * Requires shader derivative instruction support. |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 525 | */ |
| 526 | |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 527 | class QuadEdgeEffect : public GrGeometryProcessor { |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 528 | public: |
| 529 | |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 530 | static GrGeometryProcessor* Create(GrColor color, const SkMatrix& localMatrix, |
| 531 | bool usesLocalCoords) { |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 532 | return new QuadEdgeEffect(color, localMatrix, usesLocalCoords); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 533 | } |
| 534 | |
| 535 | virtual ~QuadEdgeEffect() {} |
| 536 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 537 | const char* name() const override { return "QuadEdge"; } |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 538 | |
joshualitt | 71c9260 | 2015-01-14 08:12:47 -0800 | [diff] [blame] | 539 | const Attribute* inPosition() const { return fInPosition; } |
| 540 | const Attribute* inQuadEdge() const { return fInQuadEdge; } |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 541 | GrColor color() const { return fColor; } |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 542 | bool colorIgnored() const { return GrColor_ILLEGAL == fColor; } |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 543 | const SkMatrix& localMatrix() const { return fLocalMatrix; } |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 544 | bool usesLocalCoords() const { return fUsesLocalCoords; } |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 545 | |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 546 | class GLSLProcessor : public GrGLSLGeometryProcessor { |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 547 | public: |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 548 | GLSLProcessor() |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 549 | : fColor(GrColor_ILLEGAL) {} |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 550 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 551 | void onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) override { |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 552 | const QuadEdgeEffect& qe = args.fGP.cast<QuadEdgeEffect>(); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 553 | GrGLSLVertexBuilder* vertBuilder = args.fVertBuilder; |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 554 | GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler; |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 555 | GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 556 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 557 | // emit attributes |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 558 | varyingHandler->emitAttributes(qe); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 559 | |
egdaniel | 8dcdedc | 2015-11-11 06:27:20 -0800 | [diff] [blame] | 560 | GrGLSLVertToFrag v(kVec4f_GrSLType); |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 561 | varyingHandler->addVarying("QuadEdge", &v); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 562 | vertBuilder->codeAppendf("%s = %s;", v.vsOut(), qe.inQuadEdge()->fName); |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 563 | |
cdalton | 8528541 | 2016-02-18 12:37:07 -0800 | [diff] [blame] | 564 | GrGLSLPPFragmentBuilder* fragBuilder = args.fFragBuilder; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 565 | // Setup pass through color |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 566 | if (!qe.colorIgnored()) { |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 567 | this->setupUniformColor(fragBuilder, uniformHandler, args.fOutputColor, |
| 568 | &fColorUniform); |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 569 | } |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 570 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 571 | // Setup position |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 572 | this->setupPosition(vertBuilder, gpArgs, qe.inPosition()->fName); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 573 | |
| 574 | // emit transforms |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 575 | this->emitTransforms(vertBuilder, |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 576 | varyingHandler, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 577 | uniformHandler, |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 578 | gpArgs->fPositionVar, |
| 579 | qe.inPosition()->fName, |
| 580 | qe.localMatrix(), |
| 581 | args.fTransformsIn, |
| 582 | args.fTransformsOut); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 583 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 584 | SkAssertResult(fragBuilder->enableFeature( |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 585 | GrGLSLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 586 | fragBuilder->codeAppendf("float edgeAlpha;"); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 587 | |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 588 | // keep the derivative instructions outside the conditional |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 589 | fragBuilder->codeAppendf("vec2 duvdx = dFdx(%s.xy);", v.fsIn()); |
| 590 | fragBuilder->codeAppendf("vec2 duvdy = dFdy(%s.xy);", v.fsIn()); |
| 591 | fragBuilder->codeAppendf("if (%s.z > 0.0 && %s.w > 0.0) {", v.fsIn(), v.fsIn()); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 592 | // today we know z and w are in device space. We could use derivatives |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 593 | fragBuilder->codeAppendf("edgeAlpha = min(min(%s.z, %s.w) + 0.5, 1.0);", v.fsIn(), |
| 594 | v.fsIn()); |
| 595 | fragBuilder->codeAppendf ("} else {"); |
| 596 | fragBuilder->codeAppendf("vec2 gF = vec2(2.0*%s.x*duvdx.x - duvdx.y," |
| 597 | " 2.0*%s.x*duvdy.x - duvdy.y);", |
| 598 | v.fsIn(), v.fsIn()); |
| 599 | fragBuilder->codeAppendf("edgeAlpha = (%s.x*%s.x - %s.y);", v.fsIn(), v.fsIn(), |
| 600 | v.fsIn()); |
| 601 | fragBuilder->codeAppendf("edgeAlpha = " |
| 602 | "clamp(0.5 - edgeAlpha / length(gF), 0.0, 1.0);}"); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 603 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 604 | fragBuilder->codeAppendf("%s = vec4(edgeAlpha);", args.fOutputCoverage); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 605 | } |
| 606 | |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 607 | static inline void GenKey(const GrGeometryProcessor& gp, |
jvanverth | cfc1886 | 2015-04-28 08:48:20 -0700 | [diff] [blame] | 608 | const GrGLSLCaps&, |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 609 | GrProcessorKeyBuilder* b) { |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 610 | const QuadEdgeEffect& qee = gp.cast<QuadEdgeEffect>(); |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 611 | uint32_t key = 0; |
| 612 | key |= qee.usesLocalCoords() && qee.localMatrix().hasPerspective() ? 0x1 : 0x0; |
| 613 | key |= qee.colorIgnored() ? 0x2 : 0x0; |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 614 | b->add32(key); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 615 | } |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 616 | |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 617 | void setData(const GrGLSLProgramDataManager& pdman, |
| 618 | const GrPrimitiveProcessor& gp) override { |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 619 | const QuadEdgeEffect& qe = gp.cast<QuadEdgeEffect>(); |
| 620 | if (qe.color() != fColor) { |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 621 | float c[4]; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 622 | GrColorToRGBAFloat(qe.color(), c); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 623 | pdman.set4fv(fColorUniform, 1, c); |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 624 | fColor = qe.color(); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 625 | } |
| 626 | } |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 627 | |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 628 | void setTransformData(const GrPrimitiveProcessor& primProc, |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 629 | const GrGLSLProgramDataManager& pdman, |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 630 | int index, |
| 631 | const SkTArray<const GrCoordTransform*, true>& transforms) override { |
| 632 | this->setTransformDataHelper<QuadEdgeEffect>(primProc, pdman, index, transforms); |
| 633 | } |
| 634 | |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 635 | private: |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 636 | GrColor fColor; |
| 637 | UniformHandle fColorUniform; |
| 638 | |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 639 | typedef GrGLSLGeometryProcessor INHERITED; |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 640 | }; |
skia.committer@gmail.com | 041e2db | 2013-04-03 07:01:14 +0000 | [diff] [blame] | 641 | |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 642 | void getGLSLProcessorKey(const GrGLSLCaps& caps, GrProcessorKeyBuilder* b) const override { |
| 643 | GLSLProcessor::GenKey(*this, caps, b); |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 644 | } |
| 645 | |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 646 | GrGLSLPrimitiveProcessor* createGLSLInstance(const GrGLSLCaps&) const override { |
| 647 | return new GLSLProcessor(); |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 648 | } |
| 649 | |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 650 | private: |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 651 | QuadEdgeEffect(GrColor color, const SkMatrix& localMatrix, bool usesLocalCoords) |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 652 | : fColor(color) |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 653 | , fLocalMatrix(localMatrix) |
| 654 | , fUsesLocalCoords(usesLocalCoords) { |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 655 | this->initClassID<QuadEdgeEffect>(); |
joshualitt | 71c9260 | 2015-01-14 08:12:47 -0800 | [diff] [blame] | 656 | fInPosition = &this->addVertexAttrib(Attribute("inPosition", kVec2f_GrVertexAttribType)); |
| 657 | fInQuadEdge = &this->addVertexAttrib(Attribute("inQuadEdge", kVec4f_GrVertexAttribType)); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 658 | } |
| 659 | |
joshualitt | 71c9260 | 2015-01-14 08:12:47 -0800 | [diff] [blame] | 660 | const Attribute* fInPosition; |
| 661 | const Attribute* fInQuadEdge; |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 662 | GrColor fColor; |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 663 | SkMatrix fLocalMatrix; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 664 | bool fUsesLocalCoords; |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 665 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 666 | GR_DECLARE_GEOMETRY_PROCESSOR_TEST; |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 667 | |
joshualitt | 2e3b3e3 | 2014-12-09 13:31:14 -0800 | [diff] [blame] | 668 | typedef GrGeometryProcessor INHERITED; |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 669 | }; |
| 670 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 671 | GR_DEFINE_GEOMETRY_PROCESSOR_TEST(QuadEdgeEffect); |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 672 | |
bsalomon | c21b09e | 2015-08-28 18:46:56 -0700 | [diff] [blame] | 673 | const GrGeometryProcessor* QuadEdgeEffect::TestCreate(GrProcessorTestData* d) { |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 674 | // Doesn't work without derivative instructions. |
joshualitt | 0067ff5 | 2015-07-08 14:26:19 -0700 | [diff] [blame] | 675 | return d->fCaps->shaderCaps()->shaderDerivativeSupport() ? |
| 676 | QuadEdgeEffect::Create(GrRandomColor(d->fRandom), |
| 677 | GrTest::TestMatrix(d->fRandom), |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 678 | d->fRandom->nextBool()) : nullptr; |
commit-bot@chromium.org | 90c240a | 2013-04-02 17:57:21 +0000 | [diff] [blame] | 679 | } |
| 680 | |
| 681 | /////////////////////////////////////////////////////////////////////////////// |
| 682 | |
bsalomon | 0aff2fa | 2015-07-31 06:48:27 -0700 | [diff] [blame] | 683 | bool GrAAConvexPathRenderer::onCanDrawPath(const CanDrawPathArgs& args) const { |
robertphillips | e7d4b2f | 2015-08-13 07:57:10 -0700 | [diff] [blame] | 684 | return (args.fShaderCaps->shaderDerivativeSupport() && args.fAntiAlias && |
bsalomon | 0aff2fa | 2015-07-31 06:48:27 -0700 | [diff] [blame] | 685 | args.fStroke->isFillStyle() && !args.fPath->isInverseFillType() && |
| 686 | args.fPath->isConvex()); |
robertphillips@google.com | fa66294 | 2012-05-17 12:20:22 +0000 | [diff] [blame] | 687 | } |
| 688 | |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 689 | // extract the result vertices and indices from the GrAAConvexTessellator |
| 690 | static void extract_verts(const GrAAConvexTessellator& tess, |
| 691 | void* vertices, |
| 692 | size_t vertexStride, |
| 693 | GrColor color, |
| 694 | uint16_t* idxs, |
| 695 | bool tweakAlphaForCoverage) { |
| 696 | intptr_t verts = reinterpret_cast<intptr_t>(vertices); |
| 697 | |
| 698 | for (int i = 0; i < tess.numPts(); ++i) { |
| 699 | *((SkPoint*)((intptr_t)verts + i * vertexStride)) = tess.point(i); |
| 700 | } |
| 701 | |
| 702 | // Make 'verts' point to the colors |
| 703 | verts += sizeof(SkPoint); |
| 704 | for (int i = 0; i < tess.numPts(); ++i) { |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 705 | if (tweakAlphaForCoverage) { |
fmalita | bd5d7e7 | 2015-06-26 07:18:24 -0700 | [diff] [blame] | 706 | SkASSERT(SkScalarRoundToInt(255.0f * tess.coverage(i)) <= 255); |
| 707 | unsigned scale = SkScalarRoundToInt(255.0f * tess.coverage(i)); |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 708 | GrColor scaledColor = (0xff == scale) ? color : SkAlphaMulQ(color, scale); |
| 709 | *reinterpret_cast<GrColor*>(verts + i * vertexStride) = scaledColor; |
| 710 | } else { |
| 711 | *reinterpret_cast<GrColor*>(verts + i * vertexStride) = color; |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 712 | *reinterpret_cast<float*>(verts + i * vertexStride + sizeof(GrColor)) = |
fmalita | bd5d7e7 | 2015-06-26 07:18:24 -0700 | [diff] [blame] | 713 | tess.coverage(i); |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 714 | } |
| 715 | } |
| 716 | |
| 717 | for (int i = 0; i < tess.numIndices(); ++i) { |
| 718 | idxs[i] = tess.index(i); |
| 719 | } |
| 720 | } |
| 721 | |
| 722 | static const GrGeometryProcessor* create_fill_gp(bool tweakAlphaForCoverage, |
joshualitt | df0c557 | 2015-08-03 11:35:28 -0700 | [diff] [blame] | 723 | const SkMatrix& viewMatrix, |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 724 | bool usesLocalCoords, |
| 725 | bool coverageIgnored) { |
joshualitt | df0c557 | 2015-08-03 11:35:28 -0700 | [diff] [blame] | 726 | using namespace GrDefaultGeoProcFactory; |
joshualitt | e494a58 | 2015-08-03 09:32:36 -0700 | [diff] [blame] | 727 | |
joshualitt | df0c557 | 2015-08-03 11:35:28 -0700 | [diff] [blame] | 728 | Color color(Color::kAttribute_Type); |
| 729 | Coverage::Type coverageType; |
| 730 | // TODO remove coverage if coverage is ignored |
| 731 | /*if (coverageIgnored) { |
| 732 | coverageType = Coverage::kNone_Type; |
| 733 | } else*/ if (tweakAlphaForCoverage) { |
| 734 | coverageType = Coverage::kSolid_Type; |
| 735 | } else { |
| 736 | coverageType = Coverage::kAttribute_Type; |
| 737 | } |
| 738 | Coverage coverage(coverageType); |
| 739 | LocalCoords localCoords(usesLocalCoords ? LocalCoords::kUsePosition_Type : |
| 740 | LocalCoords::kUnused_Type); |
| 741 | return CreateForDeviceSpace(color, coverage, localCoords, viewMatrix); |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 742 | } |
| 743 | |
bsalomon | abd30f5 | 2015-08-13 13:34:48 -0700 | [diff] [blame] | 744 | class AAConvexPathBatch : public GrVertexBatch { |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 745 | public: |
reed | 1b55a96 | 2015-09-17 20:16:13 -0700 | [diff] [blame] | 746 | DEFINE_BATCH_CLASS_ID |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 747 | struct Geometry { |
| 748 | GrColor fColor; |
| 749 | SkMatrix fViewMatrix; |
| 750 | SkPath fPath; |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 751 | }; |
| 752 | |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 753 | static GrDrawBatch* Create(const Geometry& geometry) { return new AAConvexPathBatch(geometry); } |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 754 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 755 | const char* name() const override { return "AAConvexBatch"; } |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 756 | |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 757 | void computePipelineOptimizations(GrInitInvariantOutput* color, |
ethannicholas | ff21032 | 2015-11-24 12:10:10 -0800 | [diff] [blame] | 758 | GrInitInvariantOutput* coverage, |
| 759 | GrBatchToXPOverrides* overrides) const override { |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 760 | // When this is called on a batch, there is only one geometry bundle |
ethannicholas | ff21032 | 2015-11-24 12:10:10 -0800 | [diff] [blame] | 761 | color->setKnownFourComponents(fGeoData[0].fColor); |
| 762 | coverage->setUnknownSingleComponent(); |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 763 | } |
| 764 | |
bsalomon | e46f9fe | 2015-08-18 06:05:14 -0700 | [diff] [blame] | 765 | private: |
ethannicholas | ff21032 | 2015-11-24 12:10:10 -0800 | [diff] [blame] | 766 | void initBatchTracker(const GrXPOverridesForBatch& overrides) override { |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 767 | // Handle any color overrides |
ethannicholas | ff21032 | 2015-11-24 12:10:10 -0800 | [diff] [blame] | 768 | if (!overrides.readsColor()) { |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 769 | fGeoData[0].fColor = GrColor_ILLEGAL; |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 770 | } |
ethannicholas | ff21032 | 2015-11-24 12:10:10 -0800 | [diff] [blame] | 771 | overrides.getOverrideColorIfSet(&fGeoData[0].fColor); |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 772 | |
| 773 | // setup batch properties |
ethannicholas | ff21032 | 2015-11-24 12:10:10 -0800 | [diff] [blame] | 774 | fBatch.fColorIgnored = !overrides.readsColor(); |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 775 | fBatch.fColor = fGeoData[0].fColor; |
ethannicholas | ff21032 | 2015-11-24 12:10:10 -0800 | [diff] [blame] | 776 | fBatch.fUsesLocalCoords = overrides.readsLocalCoords(); |
| 777 | fBatch.fCoverageIgnored = !overrides.readsCoverage(); |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 778 | fBatch.fLinesOnly = SkPath::kLine_SegmentMask == fGeoData[0].fPath.getSegmentMasks(); |
ethannicholas | ff21032 | 2015-11-24 12:10:10 -0800 | [diff] [blame] | 779 | fBatch.fCanTweakAlphaForCoverage = overrides.canTweakAlphaForCoverage(); |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 780 | } |
| 781 | |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 782 | void prepareLinesOnlyDraws(Target* target) const { |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 783 | bool canTweakAlphaForCoverage = this->canTweakAlphaForCoverage(); |
| 784 | |
joshualitt | df0c557 | 2015-08-03 11:35:28 -0700 | [diff] [blame] | 785 | // Setup GrGeometryProcessor |
| 786 | SkAutoTUnref<const GrGeometryProcessor> gp(create_fill_gp(canTweakAlphaForCoverage, |
| 787 | this->viewMatrix(), |
| 788 | this->usesLocalCoords(), |
| 789 | this->coverageIgnored())); |
| 790 | if (!gp) { |
| 791 | SkDebugf("Could not create GrGeometryProcessor\n"); |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 792 | return; |
| 793 | } |
| 794 | |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 795 | size_t vertexStride = gp->getVertexStride(); |
| 796 | |
| 797 | SkASSERT(canTweakAlphaForCoverage ? |
| 798 | vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorAttr) : |
| 799 | vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorCoverageAttr)); |
| 800 | |
| 801 | GrAAConvexTessellator tess; |
| 802 | |
| 803 | int instanceCount = fGeoData.count(); |
| 804 | |
| 805 | for (int i = 0; i < instanceCount; i++) { |
| 806 | tess.rewind(); |
| 807 | |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 808 | const Geometry& args = fGeoData[i]; |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 809 | |
| 810 | if (!tess.tessellate(args.fViewMatrix, args.fPath)) { |
| 811 | continue; |
| 812 | } |
| 813 | |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame] | 814 | const GrBuffer* vertexBuffer; |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 815 | int firstVertex; |
| 816 | |
bsalomon | 7539856 | 2015-08-17 12:55:38 -0700 | [diff] [blame] | 817 | void* verts = target->makeVertexSpace(vertexStride, tess.numPts(), &vertexBuffer, |
| 818 | &firstVertex); |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 819 | if (!verts) { |
| 820 | SkDebugf("Could not allocate vertices\n"); |
| 821 | return; |
| 822 | } |
| 823 | |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame] | 824 | const GrBuffer* indexBuffer; |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 825 | int firstIndex; |
| 826 | |
bsalomon | 7539856 | 2015-08-17 12:55:38 -0700 | [diff] [blame] | 827 | uint16_t* idxs = target->makeIndexSpace(tess.numIndices(), &indexBuffer, &firstIndex); |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 828 | if (!idxs) { |
| 829 | SkDebugf("Could not allocate indices\n"); |
| 830 | return; |
| 831 | } |
| 832 | |
| 833 | extract_verts(tess, verts, vertexStride, args.fColor, idxs, canTweakAlphaForCoverage); |
| 834 | |
egdaniel | 0e1853c | 2016-03-17 11:35:45 -0700 | [diff] [blame] | 835 | GrMesh mesh; |
| 836 | mesh.initIndexed(kTriangles_GrPrimitiveType, |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 837 | vertexBuffer, indexBuffer, |
| 838 | firstVertex, firstIndex, |
| 839 | tess.numPts(), tess.numIndices()); |
bsalomon | 342bfc2 | 2016-04-01 06:06:20 -0700 | [diff] [blame^] | 840 | target->draw(gp, mesh); |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 841 | } |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 842 | } |
| 843 | |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 844 | void onPrepareDraws(Target* target) const override { |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 845 | #ifndef SK_IGNORE_LINEONLY_AA_CONVEX_PATH_OPTS |
| 846 | if (this->linesOnly()) { |
bsalomon | 7539856 | 2015-08-17 12:55:38 -0700 | [diff] [blame] | 847 | this->prepareLinesOnlyDraws(target); |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 848 | return; |
| 849 | } |
| 850 | #endif |
| 851 | |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 852 | int instanceCount = fGeoData.count(); |
| 853 | |
| 854 | SkMatrix invert; |
joshualitt | 7abe15d | 2015-02-20 12:40:45 -0800 | [diff] [blame] | 855 | if (this->usesLocalCoords() && !this->viewMatrix().invert(&invert)) { |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 856 | SkDebugf("Could not invert viewmatrix\n"); |
| 857 | return; |
| 858 | } |
| 859 | |
| 860 | // Setup GrGeometryProcessor |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 861 | SkAutoTUnref<GrGeometryProcessor> quadProcessor( |
| 862 | QuadEdgeEffect::Create(this->color(), invert, this->usesLocalCoords())); |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 863 | |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 864 | // TODO generate all segments for all paths and use one vertex buffer |
| 865 | for (int i = 0; i < instanceCount; i++) { |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 866 | const Geometry& args = fGeoData[i]; |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 867 | |
| 868 | // We use the fact that SkPath::transform path does subdivision based on |
| 869 | // perspective. Otherwise, we apply the view matrix when copying to the |
| 870 | // segment representation. |
| 871 | const SkMatrix* viewMatrix = &args.fViewMatrix; |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 872 | |
| 873 | // We avoid initializing the path unless we have to |
| 874 | const SkPath* pathPtr = &args.fPath; |
| 875 | SkTLazy<SkPath> tmpPath; |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 876 | if (viewMatrix->hasPerspective()) { |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 877 | SkPath* tmpPathPtr = tmpPath.init(*pathPtr); |
| 878 | tmpPathPtr->setIsVolatile(true); |
| 879 | tmpPathPtr->transform(*viewMatrix); |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 880 | viewMatrix = &SkMatrix::I(); |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 881 | pathPtr = tmpPathPtr; |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 882 | } |
| 883 | |
| 884 | int vertexCount; |
| 885 | int indexCount; |
| 886 | enum { |
| 887 | kPreallocSegmentCnt = 512 / sizeof(Segment), |
| 888 | kPreallocDrawCnt = 4, |
| 889 | }; |
| 890 | SkSTArray<kPreallocSegmentCnt, Segment, true> segments; |
| 891 | SkPoint fanPt; |
| 892 | |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 893 | if (!get_segments(*pathPtr, *viewMatrix, &segments, &fanPt, &vertexCount, |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 894 | &indexCount)) { |
| 895 | continue; |
| 896 | } |
| 897 | |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame] | 898 | const GrBuffer* vertexBuffer; |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 899 | int firstVertex; |
| 900 | |
| 901 | size_t vertexStride = quadProcessor->getVertexStride(); |
bsalomon | 7539856 | 2015-08-17 12:55:38 -0700 | [diff] [blame] | 902 | QuadVertex* verts = reinterpret_cast<QuadVertex*>(target->makeVertexSpace( |
bsalomon | e64eb57 | 2015-05-07 11:35:55 -0700 | [diff] [blame] | 903 | vertexStride, vertexCount, &vertexBuffer, &firstVertex)); |
| 904 | |
| 905 | if (!verts) { |
joshualitt | 4b31de8 | 2015-03-05 14:33:41 -0800 | [diff] [blame] | 906 | SkDebugf("Could not allocate vertices\n"); |
| 907 | return; |
| 908 | } |
| 909 | |
cdalton | 397536c | 2016-03-25 12:15:03 -0700 | [diff] [blame] | 910 | const GrBuffer* indexBuffer; |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 911 | int firstIndex; |
| 912 | |
bsalomon | 7539856 | 2015-08-17 12:55:38 -0700 | [diff] [blame] | 913 | uint16_t *idxs = target->makeIndexSpace(indexCount, &indexBuffer, &firstIndex); |
robertphillips | e40d397 | 2015-05-07 09:51:43 -0700 | [diff] [blame] | 914 | if (!idxs) { |
joshualitt | 4b31de8 | 2015-03-05 14:33:41 -0800 | [diff] [blame] | 915 | SkDebugf("Could not allocate indices\n"); |
| 916 | return; |
| 917 | } |
| 918 | |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 919 | SkSTArray<kPreallocDrawCnt, Draw, true> draws; |
| 920 | create_vertices(segments, fanPt, &draws, verts, idxs); |
| 921 | |
egdaniel | 0e1853c | 2016-03-17 11:35:45 -0700 | [diff] [blame] | 922 | GrMesh mesh; |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 923 | |
robertphillips | 44c3128 | 2015-09-03 12:58:48 -0700 | [diff] [blame] | 924 | for (int j = 0; j < draws.count(); ++j) { |
| 925 | const Draw& draw = draws[j]; |
egdaniel | 0e1853c | 2016-03-17 11:35:45 -0700 | [diff] [blame] | 926 | mesh.initIndexed(kTriangles_GrPrimitiveType, vertexBuffer, indexBuffer, |
| 927 | firstVertex, firstIndex, draw.fVertexCnt, draw.fIndexCnt); |
bsalomon | 342bfc2 | 2016-04-01 06:06:20 -0700 | [diff] [blame^] | 928 | target->draw(quadProcessor, mesh); |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 929 | firstVertex += draw.fVertexCnt; |
| 930 | firstIndex += draw.fIndexCnt; |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 931 | } |
| 932 | } |
| 933 | } |
| 934 | |
| 935 | SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; } |
| 936 | |
reed | 1b55a96 | 2015-09-17 20:16:13 -0700 | [diff] [blame] | 937 | AAConvexPathBatch(const Geometry& geometry) : INHERITED(ClassID()) { |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 938 | fGeoData.push_back(geometry); |
joshualitt | 99c7c07 | 2015-05-01 13:43:30 -0700 | [diff] [blame] | 939 | |
| 940 | // compute bounds |
| 941 | fBounds = geometry.fPath.getBounds(); |
| 942 | geometry.fViewMatrix.mapRect(&fBounds); |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 943 | } |
| 944 | |
bsalomon | cb02b38 | 2015-08-12 11:14:50 -0700 | [diff] [blame] | 945 | bool onCombineIfPossible(GrBatch* t, const GrCaps& caps) override { |
bsalomon | abd30f5 | 2015-08-13 13:34:48 -0700 | [diff] [blame] | 946 | AAConvexPathBatch* that = t->cast<AAConvexPathBatch>(); |
| 947 | if (!GrPipeline::CanCombine(*this->pipeline(), this->bounds(), *that->pipeline(), |
| 948 | that->bounds(), caps)) { |
joshualitt | 8cab9a7 | 2015-07-16 09:13:50 -0700 | [diff] [blame] | 949 | return false; |
| 950 | } |
| 951 | |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 952 | if (this->color() != that->color()) { |
| 953 | return false; |
| 954 | } |
| 955 | |
| 956 | SkASSERT(this->usesLocalCoords() == that->usesLocalCoords()); |
| 957 | if (this->usesLocalCoords() && !this->viewMatrix().cheapEqualTo(that->viewMatrix())) { |
| 958 | return false; |
| 959 | } |
| 960 | |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 961 | if (this->linesOnly() != that->linesOnly()) { |
| 962 | return false; |
| 963 | } |
| 964 | |
| 965 | // In the event of two batches, one who can tweak, one who cannot, we just fall back to |
| 966 | // not tweaking |
| 967 | if (this->canTweakAlphaForCoverage() != that->canTweakAlphaForCoverage()) { |
| 968 | fBatch.fCanTweakAlphaForCoverage = false; |
| 969 | } |
| 970 | |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 971 | fGeoData.push_back_n(that->geoData()->count(), that->geoData()->begin()); |
joshualitt | 99c7c07 | 2015-05-01 13:43:30 -0700 | [diff] [blame] | 972 | this->joinBounds(that->bounds()); |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 973 | return true; |
| 974 | } |
| 975 | |
| 976 | GrColor color() const { return fBatch.fColor; } |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 977 | bool linesOnly() const { return fBatch.fLinesOnly; } |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 978 | bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; } |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 979 | bool canTweakAlphaForCoverage() const { return fBatch.fCanTweakAlphaForCoverage; } |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 980 | const SkMatrix& viewMatrix() const { return fGeoData[0].fViewMatrix; } |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 981 | bool coverageIgnored() const { return fBatch.fCoverageIgnored; } |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 982 | |
| 983 | struct BatchTracker { |
| 984 | GrColor fColor; |
| 985 | bool fUsesLocalCoords; |
| 986 | bool fColorIgnored; |
| 987 | bool fCoverageIgnored; |
robertphillips | e16dfdb | 2015-05-08 04:46:51 -0700 | [diff] [blame] | 988 | bool fLinesOnly; |
| 989 | bool fCanTweakAlphaForCoverage; |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 990 | }; |
| 991 | |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 992 | BatchTracker fBatch; |
| 993 | SkSTArray<1, Geometry, true> fGeoData; |
reed | 1b55a96 | 2015-09-17 20:16:13 -0700 | [diff] [blame] | 994 | |
| 995 | typedef GrVertexBatch INHERITED; |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 996 | }; |
| 997 | |
bsalomon | 0aff2fa | 2015-07-31 06:48:27 -0700 | [diff] [blame] | 998 | bool GrAAConvexPathRenderer::onDrawPath(const DrawPathArgs& args) { |
joshualitt | de83b41 | 2016-01-14 09:58:36 -0800 | [diff] [blame] | 999 | GR_AUDIT_TRAIL_AUTO_FRAME(args.fTarget->getAuditTrail(), "GrAAConvexPathRenderer::onDrawPath"); |
bsalomon | 0aff2fa | 2015-07-31 06:48:27 -0700 | [diff] [blame] | 1000 | if (args.fPath->isEmpty()) { |
bsalomon@google.com | c2099d2 | 2012-03-02 21:26:50 +0000 | [diff] [blame] | 1001 | return true; |
| 1002 | } |
bsalomon@google.com | 4647f90 | 2013-03-26 14:45:27 +0000 | [diff] [blame] | 1003 | |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 1004 | AAConvexPathBatch::Geometry geometry; |
bsalomon | 0aff2fa | 2015-07-31 06:48:27 -0700 | [diff] [blame] | 1005 | geometry.fColor = args.fColor; |
| 1006 | geometry.fViewMatrix = *args.fViewMatrix; |
| 1007 | geometry.fPath = *args.fPath; |
bsalomon@google.com | af90f7f | 2012-03-05 20:50:10 +0000 | [diff] [blame] | 1008 | |
bsalomon | abd30f5 | 2015-08-13 13:34:48 -0700 | [diff] [blame] | 1009 | SkAutoTUnref<GrDrawBatch> batch(AAConvexPathBatch::Create(geometry)); |
bsalomon | 0aff2fa | 2015-07-31 06:48:27 -0700 | [diff] [blame] | 1010 | args.fTarget->drawBatch(*args.fPipelineBuilder, batch); |
bsalomon@google.com | a834746 | 2012-10-08 18:59:39 +0000 | [diff] [blame] | 1011 | |
bsalomon@google.com | c2099d2 | 2012-03-02 21:26:50 +0000 | [diff] [blame] | 1012 | return true; |
joshualitt | 27f398f | 2015-02-05 14:39:01 -0800 | [diff] [blame] | 1013 | |
bsalomon@google.com | 69cc6ad | 2012-01-17 14:25:10 +0000 | [diff] [blame] | 1014 | } |
joshualitt | 8e5c177 | 2015-05-11 08:58:52 -0700 | [diff] [blame] | 1015 | |
| 1016 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 1017 | |
| 1018 | #ifdef GR_TEST_UTILS |
| 1019 | |
bsalomon | abd30f5 | 2015-08-13 13:34:48 -0700 | [diff] [blame] | 1020 | DRAW_BATCH_TEST_DEFINE(AAConvexPathBatch) { |
joshualitt | 8e5c177 | 2015-05-11 08:58:52 -0700 | [diff] [blame] | 1021 | AAConvexPathBatch::Geometry geometry; |
| 1022 | geometry.fColor = GrRandomColor(random); |
joshualitt | 6c89110 | 2015-05-13 08:51:49 -0700 | [diff] [blame] | 1023 | geometry.fViewMatrix = GrTest::TestMatrixInvertible(random); |
joshualitt | 8e5c177 | 2015-05-11 08:58:52 -0700 | [diff] [blame] | 1024 | geometry.fPath = GrTest::TestPathConvex(random); |
| 1025 | |
| 1026 | return AAConvexPathBatch::Create(geometry); |
| 1027 | } |
| 1028 | |
| 1029 | #endif |