commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 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 | |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 8 | #include "GrDashOp.h" |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 9 | #include "GrAppliedClip.h" |
bsalomon | eb1cb5c | 2015-05-22 08:01:09 -0700 | [diff] [blame] | 10 | #include "GrCaps.h" |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 11 | #include "GrContext.h" |
| 12 | #include "GrCoordTransform.h" |
joshualitt | 5478d42 | 2014-11-14 16:00:38 -0800 | [diff] [blame] | 13 | #include "GrDefaultGeoProcFactory.h" |
Brian Salomon | 5ec9def | 2016-12-20 15:34:05 -0500 | [diff] [blame] | 14 | #include "GrDrawOpTest.h" |
Brian Salomon | dad2923 | 2016-12-01 16:40:24 -0500 | [diff] [blame] | 15 | #include "GrGeometryProcessor.h" |
Brian Salomon | 742e31d | 2016-12-07 17:06:19 -0500 | [diff] [blame] | 16 | #include "GrOpFlushState.h" |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 17 | #include "GrProcessor.h" |
bsalomon | 6663acf | 2016-05-10 09:14:17 -0700 | [diff] [blame] | 18 | #include "GrStyle.h" |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 19 | #include "SkGr.h" |
Brian Salomon | fa3783f | 2018-01-05 13:49:07 -0500 | [diff] [blame] | 20 | #include "SkMatrixPriv.h" |
Cary Clark | df429f3 | 2017-11-08 11:44:31 -0500 | [diff] [blame] | 21 | #include "SkPointPriv.h" |
egdaniel | 2d721d3 | 2015-11-11 13:06:05 -0800 | [diff] [blame] | 22 | #include "glsl/GrGLSLFragmentShaderBuilder.h" |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 23 | #include "glsl/GrGLSLGeometryProcessor.h" |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 24 | #include "glsl/GrGLSLProgramDataManager.h" |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 25 | #include "glsl/GrGLSLUniformHandler.h" |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 26 | #include "glsl/GrGLSLVarying.h" |
Chris Dalton | c17bf32 | 2017-10-24 10:59:03 -0600 | [diff] [blame] | 27 | #include "glsl/GrGLSLVertexGeoBuilder.h" |
Brian Salomon | 8952743 | 2016-12-16 09:52:16 -0500 | [diff] [blame] | 28 | #include "ops/GrMeshDrawOp.h" |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 29 | |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 30 | using AAMode = GrDashOp::AAMode; |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 31 | |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 32 | /////////////////////////////////////////////////////////////////////////////// |
| 33 | |
egdaniel | e61c411 | 2014-06-12 10:24:21 -0700 | [diff] [blame] | 34 | // Returns whether or not the gpu can fast path the dash line effect. |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 35 | bool GrDashOp::CanDrawDashLine(const SkPoint pts[2], const GrStyle& style, |
| 36 | const SkMatrix& viewMatrix) { |
egdaniel | e61c411 | 2014-06-12 10:24:21 -0700 | [diff] [blame] | 37 | // Pts must be either horizontal or vertical in src space |
| 38 | if (pts[0].fX != pts[1].fX && pts[0].fY != pts[1].fY) { |
| 39 | return false; |
| 40 | } |
| 41 | |
| 42 | // May be able to relax this to include skew. As of now cannot do perspective |
| 43 | // because of the non uniform scaling of bloating a rect |
| 44 | if (!viewMatrix.preservesRightAngles()) { |
| 45 | return false; |
| 46 | } |
| 47 | |
bsalomon | 6663acf | 2016-05-10 09:14:17 -0700 | [diff] [blame] | 48 | if (!style.isDashed() || 2 != style.dashIntervalCnt()) { |
egdaniel | e61c411 | 2014-06-12 10:24:21 -0700 | [diff] [blame] | 49 | return false; |
| 50 | } |
| 51 | |
bsalomon | 6663acf | 2016-05-10 09:14:17 -0700 | [diff] [blame] | 52 | const SkScalar* intervals = style.dashIntervals(); |
kkinnunen | 261694c | 2015-05-05 08:00:10 -0700 | [diff] [blame] | 53 | if (0 == intervals[0] && 0 == intervals[1]) { |
egdaniel | e61c411 | 2014-06-12 10:24:21 -0700 | [diff] [blame] | 54 | return false; |
| 55 | } |
| 56 | |
bsalomon | 6663acf | 2016-05-10 09:14:17 -0700 | [diff] [blame] | 57 | SkPaint::Cap cap = style.strokeRec().getCap(); |
Greg Daniel | 5fb3056 | 2017-06-29 12:27:48 -0400 | [diff] [blame] | 58 | if (SkPaint::kRound_Cap == cap) { |
| 59 | // Current we don't support round caps unless the on interval is zero |
| 60 | if (intervals[0] != 0.f) { |
| 61 | return false; |
| 62 | } |
| 63 | // If the width of the circle caps in greater than the off interval we will pick up unwanted |
| 64 | // segments of circles at the start and end of the dash line. |
| 65 | if (style.strokeRec().getWidth() > intervals[1]) { |
| 66 | return false; |
| 67 | } |
egdaniel | e61c411 | 2014-06-12 10:24:21 -0700 | [diff] [blame] | 68 | } |
| 69 | |
| 70 | return true; |
| 71 | } |
| 72 | |
| 73 | namespace { |
egdaniel | e61c411 | 2014-06-12 10:24:21 -0700 | [diff] [blame] | 74 | struct DashLineVertex { |
| 75 | SkPoint fPos; |
| 76 | SkPoint fDashPos; |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 77 | SkScalar fIntervalLength; |
| 78 | SkRect fRect; |
| 79 | }; |
| 80 | struct DashCircleVertex { |
| 81 | SkPoint fPos; |
| 82 | SkPoint fDashPos; |
| 83 | SkScalar fIntervalLength; |
| 84 | SkScalar fRadius; |
| 85 | SkScalar fCenterX; |
egdaniel | e61c411 | 2014-06-12 10:24:21 -0700 | [diff] [blame] | 86 | }; |
egdaniel | e61c411 | 2014-06-12 10:24:21 -0700 | [diff] [blame] | 87 | }; |
| 88 | |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 89 | static void calc_dash_scaling(SkScalar* parallelScale, SkScalar* perpScale, |
| 90 | const SkMatrix& viewMatrix, const SkPoint pts[2]) { |
| 91 | SkVector vecSrc = pts[1] - pts[0]; |
Greg Daniel | c96f9b5 | 2017-12-07 15:00:06 -0500 | [diff] [blame] | 92 | if (pts[1] == pts[0]) { |
| 93 | vecSrc.set(1.0, 0.0); |
| 94 | } |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 95 | SkScalar magSrc = vecSrc.length(); |
| 96 | SkScalar invSrc = magSrc ? SkScalarInvert(magSrc) : 0; |
| 97 | vecSrc.scale(invSrc); |
| 98 | |
| 99 | SkVector vecSrcPerp; |
Cary Clark | df429f3 | 2017-11-08 11:44:31 -0500 | [diff] [blame] | 100 | SkPointPriv::RotateCW(vecSrc, &vecSrcPerp); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 101 | viewMatrix.mapVectors(&vecSrc, 1); |
| 102 | viewMatrix.mapVectors(&vecSrcPerp, 1); |
| 103 | |
| 104 | // parallelScale tells how much to scale along the line parallel to the dash line |
| 105 | // perpScale tells how much to scale in the direction perpendicular to the dash line |
| 106 | *parallelScale = vecSrc.length(); |
| 107 | *perpScale = vecSrcPerp.length(); |
| 108 | } |
| 109 | |
| 110 | // calculates the rotation needed to aligned pts to the x axis with pts[0] < pts[1] |
| 111 | // Stores the rotation matrix in rotMatrix, and the mapped points in ptsRot |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 112 | static void align_to_x_axis(const SkPoint pts[2], SkMatrix* rotMatrix, SkPoint ptsRot[2] = nullptr) { |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 113 | SkVector vec = pts[1] - pts[0]; |
Greg Daniel | c96f9b5 | 2017-12-07 15:00:06 -0500 | [diff] [blame] | 114 | if (pts[1] == pts[0]) { |
| 115 | vec.set(1.0, 0.0); |
| 116 | } |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 117 | SkScalar mag = vec.length(); |
| 118 | SkScalar inv = mag ? SkScalarInvert(mag) : 0; |
| 119 | |
| 120 | vec.scale(inv); |
| 121 | rotMatrix->setSinCos(-vec.fY, vec.fX, pts[0].fX, pts[0].fY); |
| 122 | if (ptsRot) { |
| 123 | rotMatrix->mapPoints(ptsRot, pts, 2); |
| 124 | // correction for numerical issues if map doesn't make ptsRot exactly horizontal |
| 125 | ptsRot[1].fY = pts[0].fY; |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | // Assumes phase < sum of all intervals |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 130 | static SkScalar calc_start_adjustment(const SkScalar intervals[2], SkScalar phase) { |
| 131 | SkASSERT(phase < intervals[0] + intervals[1]); |
| 132 | if (phase >= intervals[0] && phase != 0) { |
| 133 | SkScalar srcIntervalLen = intervals[0] + intervals[1]; |
| 134 | return srcIntervalLen - phase; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 135 | } |
| 136 | return 0; |
| 137 | } |
| 138 | |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 139 | static SkScalar calc_end_adjustment(const SkScalar intervals[2], const SkPoint pts[2], |
egdaniel | e61c411 | 2014-06-12 10:24:21 -0700 | [diff] [blame] | 140 | SkScalar phase, SkScalar* endingInt) { |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 141 | if (pts[1].fX <= pts[0].fX) { |
| 142 | return 0; |
| 143 | } |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 144 | SkScalar srcIntervalLen = intervals[0] + intervals[1]; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 145 | SkScalar totalLen = pts[1].fX - pts[0].fX; |
reed | 80ea19c | 2015-05-12 10:37:34 -0700 | [diff] [blame] | 146 | SkScalar temp = totalLen / srcIntervalLen; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 147 | SkScalar numFullIntervals = SkScalarFloorToScalar(temp); |
egdaniel | e61c411 | 2014-06-12 10:24:21 -0700 | [diff] [blame] | 148 | *endingInt = totalLen - numFullIntervals * srcIntervalLen + phase; |
reed | 80ea19c | 2015-05-12 10:37:34 -0700 | [diff] [blame] | 149 | temp = *endingInt / srcIntervalLen; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 150 | *endingInt = *endingInt - SkScalarFloorToScalar(temp) * srcIntervalLen; |
| 151 | if (0 == *endingInt) { |
| 152 | *endingInt = srcIntervalLen; |
| 153 | } |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 154 | if (*endingInt > intervals[0]) { |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 155 | return *endingInt - intervals[0]; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 156 | } |
| 157 | return 0; |
| 158 | } |
| 159 | |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 160 | enum DashCap { |
| 161 | kRound_DashCap, |
| 162 | kNonRound_DashCap, |
| 163 | }; |
| 164 | |
| 165 | static int kDashVertices = 4; |
| 166 | |
| 167 | template <typename T> |
| 168 | void setup_dashed_rect_common(const SkRect& rect, const SkMatrix& matrix, T* vertices, int idx, |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 169 | SkScalar offset, SkScalar bloatX, SkScalar bloatY, SkScalar len, |
| 170 | SkScalar stroke) { |
| 171 | SkScalar startDashX = offset - bloatX; |
| 172 | SkScalar endDashX = offset + len + bloatX; |
| 173 | SkScalar startDashY = -stroke - bloatY; |
| 174 | SkScalar endDashY = stroke + bloatY; |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 175 | vertices[idx].fDashPos = SkPoint::Make(startDashX , startDashY); |
| 176 | vertices[idx + 1].fDashPos = SkPoint::Make(startDashX, endDashY); |
Brian Salomon | 57caa66 | 2017-10-18 12:21:05 +0000 | [diff] [blame] | 177 | vertices[idx + 2].fDashPos = SkPoint::Make(endDashX, startDashY); |
| 178 | vertices[idx + 3].fDashPos = SkPoint::Make(endDashX, endDashY); |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 179 | |
| 180 | vertices[idx].fPos = SkPoint::Make(rect.fLeft, rect.fTop); |
| 181 | vertices[idx + 1].fPos = SkPoint::Make(rect.fLeft, rect.fBottom); |
Brian Salomon | 57caa66 | 2017-10-18 12:21:05 +0000 | [diff] [blame] | 182 | vertices[idx + 2].fPos = SkPoint::Make(rect.fRight, rect.fTop); |
| 183 | vertices[idx + 3].fPos = SkPoint::Make(rect.fRight, rect.fBottom); |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 184 | |
Brian Salomon | fa3783f | 2018-01-05 13:49:07 -0500 | [diff] [blame] | 185 | SkMatrixPriv::MapPointsWithStride(matrix, &vertices[idx].fPos, sizeof(T), 4); |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 186 | } |
| 187 | |
| 188 | static void setup_dashed_rect(const SkRect& rect, void* vertices, int idx, |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 189 | const SkMatrix& matrix, SkScalar offset, SkScalar bloatX, |
| 190 | SkScalar bloatY, SkScalar len, SkScalar stroke, |
| 191 | SkScalar startInterval, SkScalar endInterval, SkScalar strokeWidth, |
| 192 | DashCap cap, const size_t vertexStride) { |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 193 | SkScalar intervalLength = startInterval + endInterval; |
| 194 | |
| 195 | if (kRound_DashCap == cap) { |
| 196 | SkASSERT(vertexStride == sizeof(DashCircleVertex)); |
| 197 | DashCircleVertex* verts = reinterpret_cast<DashCircleVertex*>(vertices); |
| 198 | |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 199 | setup_dashed_rect_common<DashCircleVertex>(rect, matrix, verts, idx, offset, bloatX, |
| 200 | bloatY, len, stroke); |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 201 | |
| 202 | SkScalar radius = SkScalarHalf(strokeWidth) - 0.5f; |
| 203 | SkScalar centerX = SkScalarHalf(endInterval); |
| 204 | |
| 205 | for (int i = 0; i < kDashVertices; i++) { |
| 206 | verts[idx + i].fIntervalLength = intervalLength; |
| 207 | verts[idx + i].fRadius = radius; |
| 208 | verts[idx + i].fCenterX = centerX; |
| 209 | } |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 210 | } else { |
| 211 | SkASSERT(kNonRound_DashCap == cap && vertexStride == sizeof(DashLineVertex)); |
| 212 | DashLineVertex* verts = reinterpret_cast<DashLineVertex*>(vertices); |
| 213 | |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 214 | setup_dashed_rect_common<DashLineVertex>(rect, matrix, verts, idx, offset, bloatX, |
| 215 | bloatY, len, stroke); |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 216 | |
| 217 | SkScalar halfOffLen = SkScalarHalf(endInterval); |
| 218 | SkScalar halfStroke = SkScalarHalf(strokeWidth); |
| 219 | SkRect rectParam; |
| 220 | rectParam.set(halfOffLen + 0.5f, -halfStroke + 0.5f, |
| 221 | halfOffLen + startInterval - 0.5f, halfStroke - 0.5f); |
| 222 | for (int i = 0; i < kDashVertices; i++) { |
| 223 | verts[idx + i].fIntervalLength = intervalLength; |
| 224 | verts[idx + i].fRect = rectParam; |
| 225 | } |
| 226 | } |
egdaniel | e61c411 | 2014-06-12 10:24:21 -0700 | [diff] [blame] | 227 | } |
| 228 | |
joshualitt | 5478d42 | 2014-11-14 16:00:38 -0800 | [diff] [blame] | 229 | static void setup_dashed_rect_pos(const SkRect& rect, int idx, const SkMatrix& matrix, |
| 230 | SkPoint* verts) { |
| 231 | verts[idx] = SkPoint::Make(rect.fLeft, rect.fTop); |
| 232 | verts[idx + 1] = SkPoint::Make(rect.fLeft, rect.fBottom); |
Brian Salomon | 57caa66 | 2017-10-18 12:21:05 +0000 | [diff] [blame] | 233 | verts[idx + 2] = SkPoint::Make(rect.fRight, rect.fTop); |
| 234 | verts[idx + 3] = SkPoint::Make(rect.fRight, rect.fBottom); |
joshualitt | 5478d42 | 2014-11-14 16:00:38 -0800 | [diff] [blame] | 235 | matrix.mapPoints(&verts[idx], 4); |
| 236 | } |
egdaniel | e61c411 | 2014-06-12 10:24:21 -0700 | [diff] [blame] | 237 | |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 238 | |
| 239 | /** |
| 240 | * An GrGeometryProcessor that renders a dashed line. |
| 241 | * This GrGeometryProcessor is meant for dashed lines that only have a single on/off interval pair. |
| 242 | * Bounding geometry is rendered and the effect computes coverage based on the fragment's |
| 243 | * position relative to the dashed line. |
| 244 | */ |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 245 | static sk_sp<GrGeometryProcessor> make_dash_gp(GrColor, |
| 246 | AAMode aaMode, |
| 247 | DashCap cap, |
| 248 | const SkMatrix& localMatrix, |
| 249 | bool usesLocalCoords); |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 250 | |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 251 | class DashOp final : public GrMeshDrawOp { |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 252 | public: |
Brian Salomon | 25a8809 | 2016-12-01 09:36:50 -0500 | [diff] [blame] | 253 | DEFINE_OP_CLASS_ID |
Robert Phillips | b493eeb | 2017-09-13 13:10:52 -0400 | [diff] [blame] | 254 | |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 255 | struct LineData { |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 256 | SkMatrix fViewMatrix; |
| 257 | SkMatrix fSrcRotInv; |
| 258 | SkPoint fPtsRot[2]; |
| 259 | SkScalar fSrcStrokeWidth; |
| 260 | SkScalar fPhase; |
| 261 | SkScalar fIntervals[2]; |
| 262 | SkScalar fParallelScale; |
| 263 | SkScalar fPerpendicularScale; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 264 | }; |
| 265 | |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 266 | static std::unique_ptr<GrDrawOp> Make(GrPaint&& paint, const LineData& geometry, |
| 267 | SkPaint::Cap cap, AAMode aaMode, bool fullDash, |
| 268 | const GrUserStencilSettings* stencilSettings) { |
| 269 | return std::unique_ptr<GrDrawOp>( |
| 270 | new DashOp(std::move(paint), geometry, cap, aaMode, fullDash, stencilSettings)); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 271 | } |
| 272 | |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 273 | const char* name() const override { return "DashOp"; } |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 274 | |
Robert Phillips | f1748f5 | 2017-09-14 14:11:24 -0400 | [diff] [blame] | 275 | void visitProxies(const VisitProxyFunc& func) const override { |
Robert Phillips | b493eeb | 2017-09-13 13:10:52 -0400 | [diff] [blame] | 276 | fProcessorSet.visitProxies(func); |
| 277 | } |
| 278 | |
Brian Salomon | 7c3e718 | 2016-12-01 09:35:30 -0500 | [diff] [blame] | 279 | SkString dumpInfo() const override { |
| 280 | SkString string; |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 281 | for (const auto& geo : fLines) { |
Brian Salomon | 7c3e718 | 2016-12-01 09:35:30 -0500 | [diff] [blame] | 282 | string.appendf("Pt0: [%.2f, %.2f], Pt1: [%.2f, %.2f], Width: %.2f, Ival0: %.2f, " |
| 283 | "Ival1 : %.2f, Phase: %.2f\n", |
| 284 | geo.fPtsRot[0].fX, geo.fPtsRot[0].fY, |
| 285 | geo.fPtsRot[1].fX, geo.fPtsRot[1].fY, |
| 286 | geo.fSrcStrokeWidth, |
| 287 | geo.fIntervals[0], |
| 288 | geo.fIntervals[1], |
| 289 | geo.fPhase); |
| 290 | } |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 291 | string += fProcessorSet.dumpProcessors(); |
| 292 | string += INHERITED::dumpInfo(); |
Brian Salomon | 7c3e718 | 2016-12-01 09:35:30 -0500 | [diff] [blame] | 293 | return string; |
| 294 | } |
| 295 | |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 296 | FixedFunctionFlags fixedFunctionFlags() const override { |
| 297 | FixedFunctionFlags flags = FixedFunctionFlags::kNone; |
| 298 | if (AAMode::kCoverageWithMSAA == fAAMode) { |
| 299 | flags |= FixedFunctionFlags::kUsesHWAA; |
| 300 | } |
Brian Salomon | 89717fc | 2017-07-13 11:25:18 -0400 | [diff] [blame] | 301 | if (fStencilSettings != &GrUserStencilSettings::kUnused) { |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 302 | flags |= FixedFunctionFlags::kUsesStencil; |
| 303 | } |
| 304 | return flags; |
| 305 | } |
| 306 | |
Brian Osman | 9a725dd | 2017-09-20 09:53:22 -0400 | [diff] [blame] | 307 | RequiresDstTexture finalize(const GrCaps& caps, const GrAppliedClip* clip, |
| 308 | GrPixelConfigIsClamped dstIsClamped) override { |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 309 | GrProcessorAnalysisCoverage coverage; |
Chris Dalton | 6982400 | 2017-10-31 00:37:52 -0600 | [diff] [blame] | 310 | if (AAMode::kNone == fAAMode && !clip->numClipCoverageFragmentProcessors()) { |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 311 | coverage = GrProcessorAnalysisCoverage::kNone; |
| 312 | } else { |
| 313 | coverage = GrProcessorAnalysisCoverage::kSingleChannel; |
| 314 | } |
Brian Osman | 9a725dd | 2017-09-20 09:53:22 -0400 | [diff] [blame] | 315 | auto analysis = fProcessorSet.finalize(fColor, coverage, clip, false, caps, dstIsClamped, |
| 316 | &fColor); |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 317 | fDisallowCombineOnTouchOrOverlap = analysis.requiresDstTexture() || |
| 318 | (fProcessorSet.xferProcessor() && |
| 319 | fProcessorSet.xferProcessor()->xferBarrierType(caps)); |
| 320 | fUsesLocalCoords = analysis.usesLocalCoords(); |
| 321 | return analysis.requiresDstTexture() ? RequiresDstTexture::kYes : RequiresDstTexture::kNo; |
| 322 | } |
| 323 | |
bsalomon | e46f9fe | 2015-08-18 06:05:14 -0700 | [diff] [blame] | 324 | private: |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 325 | DashOp(GrPaint&& paint, const LineData& geometry, SkPaint::Cap cap, AAMode aaMode, |
| 326 | bool fullDash, const GrUserStencilSettings* stencilSettings) |
| 327 | : INHERITED(ClassID()) |
| 328 | , fColor(paint.getColor()) |
| 329 | , fAllowsSRGBInputs(paint.getAllowSRGBInputs()) |
| 330 | , fDisableSRGBOutputConversion(paint.getDisableOutputConversionToSRGB()) |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 331 | , fFullDash(fullDash) |
Brian Salomon | 89717fc | 2017-07-13 11:25:18 -0400 | [diff] [blame] | 332 | , fCap(cap) |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 333 | , fAAMode(aaMode) |
| 334 | , fProcessorSet(std::move(paint)) |
| 335 | , fStencilSettings(stencilSettings) { |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 336 | fLines.push_back(geometry); |
bsalomon | e46f9fe | 2015-08-18 06:05:14 -0700 | [diff] [blame] | 337 | |
| 338 | // compute bounds |
| 339 | SkScalar halfStrokeWidth = 0.5f * geometry.fSrcStrokeWidth; |
| 340 | SkScalar xBloat = SkPaint::kButt_Cap == cap ? 0 : halfStrokeWidth; |
bsalomon | 88cf17d | 2016-07-08 06:40:56 -0700 | [diff] [blame] | 341 | SkRect bounds; |
| 342 | bounds.set(geometry.fPtsRot[0], geometry.fPtsRot[1]); |
| 343 | bounds.outset(xBloat, halfStrokeWidth); |
bsalomon | e46f9fe | 2015-08-18 06:05:14 -0700 | [diff] [blame] | 344 | |
| 345 | // Note, we actually create the combined matrix here, and save the work |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 346 | SkMatrix& combinedMatrix = fLines[0].fSrcRotInv; |
bsalomon | e46f9fe | 2015-08-18 06:05:14 -0700 | [diff] [blame] | 347 | combinedMatrix.postConcat(geometry.fViewMatrix); |
bsalomon | 88cf17d | 2016-07-08 06:40:56 -0700 | [diff] [blame] | 348 | |
| 349 | IsZeroArea zeroArea = geometry.fSrcStrokeWidth ? IsZeroArea::kNo : IsZeroArea::kYes; |
| 350 | HasAABloat aaBloat = (aaMode == AAMode::kNone) ? HasAABloat ::kNo : HasAABloat::kYes; |
| 351 | this->setTransformedBounds(bounds, combinedMatrix, aaBloat, zeroArea); |
bsalomon | e46f9fe | 2015-08-18 06:05:14 -0700 | [diff] [blame] | 352 | } |
| 353 | |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 354 | struct DashDraw { |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 355 | DashDraw(const LineData& geo) { |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 356 | memcpy(fPtsRot, geo.fPtsRot, sizeof(geo.fPtsRot)); |
| 357 | memcpy(fIntervals, geo.fIntervals, sizeof(geo.fIntervals)); |
| 358 | fPhase = geo.fPhase; |
| 359 | } |
| 360 | SkPoint fPtsRot[2]; |
| 361 | SkScalar fIntervals[2]; |
| 362 | SkScalar fPhase; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 363 | SkScalar fStartOffset; |
| 364 | SkScalar fStrokeWidth; |
| 365 | SkScalar fLineLength; |
| 366 | SkScalar fHalfDevStroke; |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 367 | SkScalar fDevBloatX; |
| 368 | SkScalar fDevBloatY; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 369 | bool fLineDone; |
| 370 | bool fHasStartRect; |
| 371 | bool fHasEndRect; |
| 372 | }; |
| 373 | |
Brian Salomon | 91326c3 | 2017-08-09 16:02:19 -0400 | [diff] [blame] | 374 | void onPrepareDraws(Target* target) override { |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 375 | int instanceCount = fLines.count(); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 376 | SkPaint::Cap cap = this->cap(); |
joshualitt | e494a58 | 2015-08-03 09:32:36 -0700 | [diff] [blame] | 377 | bool isRoundCap = SkPaint::kRound_Cap == cap; |
| 378 | DashCap capType = isRoundCap ? kRound_DashCap : kNonRound_DashCap; |
joshualitt | df0c557 | 2015-08-03 11:35:28 -0700 | [diff] [blame] | 379 | |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 380 | sk_sp<GrGeometryProcessor> gp; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 381 | if (this->fullDash()) { |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 382 | gp = make_dash_gp(this->color(), this->aaMode(), capType, this->viewMatrix(), |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 383 | fUsesLocalCoords); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 384 | } else { |
| 385 | // Set up the vertex data for the line and start/end dashes |
joshualitt | df0c557 | 2015-08-03 11:35:28 -0700 | [diff] [blame] | 386 | using namespace GrDefaultGeoProcFactory; |
| 387 | Color color(this->color()); |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 388 | LocalCoords::Type localCoordsType = |
| 389 | fUsesLocalCoords ? LocalCoords::kUsePosition_Type : LocalCoords::kUnused_Type; |
Brian Salomon | 8c852be | 2017-01-04 10:44:42 -0500 | [diff] [blame] | 390 | gp = MakeForDeviceSpace(color, Coverage::kSolid_Type, localCoordsType, |
| 391 | this->viewMatrix()); |
joshualitt | df0c557 | 2015-08-03 11:35:28 -0700 | [diff] [blame] | 392 | } |
| 393 | |
| 394 | if (!gp) { |
| 395 | SkDebugf("Could not create GrGeometryProcessor\n"); |
| 396 | return; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 397 | } |
| 398 | |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 399 | // useAA here means Edge AA or MSAA |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 400 | bool useAA = this->aaMode() != AAMode::kNone; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 401 | bool fullDash = this->fullDash(); |
| 402 | |
| 403 | // We do two passes over all of the dashes. First we setup the start, end, and bounds, |
| 404 | // rectangles. We preserve all of this work in the rects / draws arrays below. Then we |
| 405 | // iterate again over these decomposed dashes to generate vertices |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 406 | static const int kNumStackDashes = 128; |
| 407 | SkSTArray<kNumStackDashes, SkRect, true> rects; |
| 408 | SkSTArray<kNumStackDashes, DashDraw, true> draws; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 409 | |
| 410 | int totalRectCount = 0; |
joshualitt | d0f5457 | 2015-03-02 12:00:52 -0800 | [diff] [blame] | 411 | int rectOffset = 0; |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 412 | rects.push_back_n(3 * instanceCount); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 413 | for (int i = 0; i < instanceCount; i++) { |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 414 | const LineData& args = fLines[i]; |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 415 | |
| 416 | DashDraw& draw = draws.push_back(args); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 417 | |
Greg Daniel | 95581bb | 2017-06-30 10:36:38 -0400 | [diff] [blame] | 418 | bool hasCap = SkPaint::kButt_Cap != cap; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 419 | |
| 420 | // We always want to at least stroke out half a pixel on each side in device space |
| 421 | // so 0.5f / perpScale gives us this min in src space |
| 422 | SkScalar halfSrcStroke = |
| 423 | SkMaxScalar(args.fSrcStrokeWidth * 0.5f, 0.5f / args.fPerpendicularScale); |
| 424 | |
| 425 | SkScalar strokeAdj; |
| 426 | if (!hasCap) { |
| 427 | strokeAdj = 0.f; |
| 428 | } else { |
| 429 | strokeAdj = halfSrcStroke; |
| 430 | } |
| 431 | |
| 432 | SkScalar startAdj = 0; |
| 433 | |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 434 | bool lineDone = false; |
| 435 | |
| 436 | // Too simplify the algorithm, we always push back rects for start and end rect. |
| 437 | // Otherwise we'd have to track start / end rects for each individual geometry |
joshualitt | d0f5457 | 2015-03-02 12:00:52 -0800 | [diff] [blame] | 438 | SkRect& bounds = rects[rectOffset++]; |
| 439 | SkRect& startRect = rects[rectOffset++]; |
| 440 | SkRect& endRect = rects[rectOffset++]; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 441 | |
| 442 | bool hasStartRect = false; |
| 443 | // If we are using AA, check to see if we are drawing a partial dash at the start. If so |
| 444 | // draw it separately here and adjust our start point accordingly |
| 445 | if (useAA) { |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 446 | if (draw.fPhase > 0 && draw.fPhase < draw.fIntervals[0]) { |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 447 | SkPoint startPts[2]; |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 448 | startPts[0] = draw.fPtsRot[0]; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 449 | startPts[1].fY = startPts[0].fY; |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 450 | startPts[1].fX = SkMinScalar(startPts[0].fX + draw.fIntervals[0] - draw.fPhase, |
| 451 | draw.fPtsRot[1].fX); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 452 | startRect.set(startPts, 2); |
| 453 | startRect.outset(strokeAdj, halfSrcStroke); |
| 454 | |
| 455 | hasStartRect = true; |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 456 | startAdj = draw.fIntervals[0] + draw.fIntervals[1] - draw.fPhase; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 457 | } |
| 458 | } |
| 459 | |
| 460 | // adjustments for start and end of bounding rect so we only draw dash intervals |
| 461 | // contained in the original line segment. |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 462 | startAdj += calc_start_adjustment(draw.fIntervals, draw.fPhase); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 463 | if (startAdj != 0) { |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 464 | draw.fPtsRot[0].fX += startAdj; |
| 465 | draw.fPhase = 0; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 466 | } |
| 467 | SkScalar endingInterval = 0; |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 468 | SkScalar endAdj = calc_end_adjustment(draw.fIntervals, draw.fPtsRot, draw.fPhase, |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 469 | &endingInterval); |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 470 | draw.fPtsRot[1].fX -= endAdj; |
| 471 | if (draw.fPtsRot[0].fX >= draw.fPtsRot[1].fX) { |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 472 | lineDone = true; |
| 473 | } |
| 474 | |
| 475 | bool hasEndRect = false; |
| 476 | // If we are using AA, check to see if we are drawing a partial dash at then end. If so |
| 477 | // draw it separately here and adjust our end point accordingly |
| 478 | if (useAA && !lineDone) { |
| 479 | // If we adjusted the end then we will not be drawing a partial dash at the end. |
| 480 | // If we didn't adjust the end point then we just need to make sure the ending |
| 481 | // dash isn't a full dash |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 482 | if (0 == endAdj && endingInterval != draw.fIntervals[0]) { |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 483 | SkPoint endPts[2]; |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 484 | endPts[1] = draw.fPtsRot[1]; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 485 | endPts[0].fY = endPts[1].fY; |
| 486 | endPts[0].fX = endPts[1].fX - endingInterval; |
| 487 | |
| 488 | endRect.set(endPts, 2); |
| 489 | endRect.outset(strokeAdj, halfSrcStroke); |
| 490 | |
| 491 | hasEndRect = true; |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 492 | endAdj = endingInterval + draw.fIntervals[1]; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 493 | |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 494 | draw.fPtsRot[1].fX -= endAdj; |
| 495 | if (draw.fPtsRot[0].fX >= draw.fPtsRot[1].fX) { |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 496 | lineDone = true; |
| 497 | } |
| 498 | } |
| 499 | } |
| 500 | |
Greg Daniel | c96f9b5 | 2017-12-07 15:00:06 -0500 | [diff] [blame] | 501 | if (draw.fPtsRot[0].fX == draw.fPtsRot[1].fX && |
| 502 | (0 != endAdj || 0 == startAdj) && |
| 503 | hasCap) { |
| 504 | // At this point the fPtsRot[0]/[1] represent the start and end of the inner rect of |
| 505 | // dashes that we want to draw. The only way they can be equal is if the on interval |
| 506 | // is zero (or an edge case if the end of line ends at a full off interval, but this |
| 507 | // is handled as well). Thus if the on interval is zero then we need to draw a cap |
| 508 | // at this position if the stroke has caps. The spec says we only draw this point if |
| 509 | // point lies between [start of line, end of line). Thus we check if we are at the |
| 510 | // end (but not the start), and if so we don't draw the cap. |
| 511 | lineDone = false; |
| 512 | } |
| 513 | |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 514 | if (startAdj != 0) { |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 515 | draw.fPhase = 0; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 516 | } |
| 517 | |
| 518 | // Change the dashing info from src space into device space |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 519 | SkScalar* devIntervals = draw.fIntervals; |
| 520 | devIntervals[0] = draw.fIntervals[0] * args.fParallelScale; |
| 521 | devIntervals[1] = draw.fIntervals[1] * args.fParallelScale; |
| 522 | SkScalar devPhase = draw.fPhase * args.fParallelScale; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 523 | SkScalar strokeWidth = args.fSrcStrokeWidth * args.fPerpendicularScale; |
| 524 | |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 525 | if ((strokeWidth < 1.f && useAA) || 0.f == strokeWidth) { |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 526 | strokeWidth = 1.f; |
| 527 | } |
| 528 | |
| 529 | SkScalar halfDevStroke = strokeWidth * 0.5f; |
| 530 | |
Greg Daniel | 95581bb | 2017-06-30 10:36:38 -0400 | [diff] [blame] | 531 | if (SkPaint::kSquare_Cap == cap) { |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 532 | // add cap to on interval and remove from off interval |
| 533 | devIntervals[0] += strokeWidth; |
| 534 | devIntervals[1] -= strokeWidth; |
| 535 | } |
| 536 | SkScalar startOffset = devIntervals[1] * 0.5f + devPhase; |
| 537 | |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 538 | // For EdgeAA, we bloat in X & Y for both square and round caps. |
| 539 | // For MSAA, we don't bloat at all for square caps, and bloat in Y only for round caps. |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 540 | SkScalar devBloatX = this->aaMode() == AAMode::kCoverage ? 0.5f : 0.0f; |
| 541 | SkScalar devBloatY; |
| 542 | if (SkPaint::kRound_Cap == cap && this->aaMode() == AAMode::kCoverageWithMSAA) { |
| 543 | devBloatY = 0.5f; |
| 544 | } else { |
| 545 | devBloatY = devBloatX; |
| 546 | } |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 547 | |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 548 | SkScalar bloatX = devBloatX / args.fParallelScale; |
| 549 | SkScalar bloatY = devBloatY / args.fPerpendicularScale; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 550 | |
| 551 | if (devIntervals[1] <= 0.f && useAA) { |
| 552 | // Case when we end up drawing a solid AA rect |
| 553 | // Reset the start rect to draw this single solid rect |
| 554 | // but it requires to upload a new intervals uniform so we can mimic |
| 555 | // one giant dash |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 556 | draw.fPtsRot[0].fX -= hasStartRect ? startAdj : 0; |
| 557 | draw.fPtsRot[1].fX += hasEndRect ? endAdj : 0; |
| 558 | startRect.set(draw.fPtsRot, 2); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 559 | startRect.outset(strokeAdj, halfSrcStroke); |
| 560 | hasStartRect = true; |
| 561 | hasEndRect = false; |
| 562 | lineDone = true; |
| 563 | |
| 564 | SkPoint devicePts[2]; |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 565 | args.fViewMatrix.mapPoints(devicePts, draw.fPtsRot, 2); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 566 | SkScalar lineLength = SkPoint::Distance(devicePts[0], devicePts[1]); |
| 567 | if (hasCap) { |
| 568 | lineLength += 2.f * halfDevStroke; |
| 569 | } |
| 570 | devIntervals[0] = lineLength; |
| 571 | } |
| 572 | |
| 573 | totalRectCount += !lineDone ? 1 : 0; |
| 574 | totalRectCount += hasStartRect ? 1 : 0; |
| 575 | totalRectCount += hasEndRect ? 1 : 0; |
| 576 | |
| 577 | if (SkPaint::kRound_Cap == cap && 0 != args.fSrcStrokeWidth) { |
| 578 | // need to adjust this for round caps to correctly set the dashPos attrib on |
| 579 | // vertices |
| 580 | startOffset -= halfDevStroke; |
| 581 | } |
| 582 | |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 583 | if (!lineDone) { |
| 584 | SkPoint devicePts[2]; |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 585 | args.fViewMatrix.mapPoints(devicePts, draw.fPtsRot, 2); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 586 | draw.fLineLength = SkPoint::Distance(devicePts[0], devicePts[1]); |
| 587 | if (hasCap) { |
| 588 | draw.fLineLength += 2.f * halfDevStroke; |
| 589 | } |
| 590 | |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 591 | bounds.set(draw.fPtsRot[0].fX, draw.fPtsRot[0].fY, |
| 592 | draw.fPtsRot[1].fX, draw.fPtsRot[1].fY); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 593 | bounds.outset(bloatX + strokeAdj, bloatY + halfSrcStroke); |
| 594 | } |
| 595 | |
| 596 | if (hasStartRect) { |
| 597 | SkASSERT(useAA); // so that we know bloatX and bloatY have been set |
| 598 | startRect.outset(bloatX, bloatY); |
| 599 | } |
| 600 | |
| 601 | if (hasEndRect) { |
| 602 | SkASSERT(useAA); // so that we know bloatX and bloatY have been set |
| 603 | endRect.outset(bloatX, bloatY); |
| 604 | } |
| 605 | |
| 606 | draw.fStartOffset = startOffset; |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 607 | draw.fDevBloatX = devBloatX; |
| 608 | draw.fDevBloatY = devBloatY; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 609 | draw.fHalfDevStroke = halfDevStroke; |
| 610 | draw.fStrokeWidth = strokeWidth; |
| 611 | draw.fHasStartRect = hasStartRect; |
| 612 | draw.fLineDone = lineDone; |
| 613 | draw.fHasEndRect = hasEndRect; |
| 614 | } |
| 615 | |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 616 | if (!totalRectCount) { |
| 617 | return; |
| 618 | } |
bsalomon | 8415abe | 2015-05-04 11:41:41 -0700 | [diff] [blame] | 619 | |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 620 | QuadHelper helper; |
bsalomon | 7539856 | 2015-08-17 12:55:38 -0700 | [diff] [blame] | 621 | void* vertices = helper.init(target, gp->getVertexStride(), totalRectCount); |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 622 | if (!vertices) { |
joshualitt | 4b31de8 | 2015-03-05 14:33:41 -0800 | [diff] [blame] | 623 | return; |
| 624 | } |
| 625 | |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 626 | int curVIdx = 0; |
| 627 | int rectIndex = 0; |
| 628 | for (int i = 0; i < instanceCount; i++) { |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 629 | const LineData& geom = fLines[i]; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 630 | |
| 631 | if (!draws[i].fLineDone) { |
| 632 | if (fullDash) { |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 633 | setup_dashed_rect(rects[rectIndex], vertices, curVIdx, geom.fSrcRotInv, |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 634 | draws[i].fStartOffset, draws[i].fDevBloatX, |
| 635 | draws[i].fDevBloatY, draws[i].fLineLength, |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 636 | draws[i].fHalfDevStroke, draws[i].fIntervals[0], |
| 637 | draws[i].fIntervals[1], draws[i].fStrokeWidth, |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 638 | capType, gp->getVertexStride()); |
| 639 | } else { |
| 640 | SkPoint* verts = reinterpret_cast<SkPoint*>(vertices); |
| 641 | SkASSERT(gp->getVertexStride() == sizeof(SkPoint)); |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 642 | setup_dashed_rect_pos(rects[rectIndex], curVIdx, geom.fSrcRotInv, verts); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 643 | } |
| 644 | curVIdx += 4; |
| 645 | } |
| 646 | rectIndex++; |
| 647 | |
| 648 | if (draws[i].fHasStartRect) { |
| 649 | if (fullDash) { |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 650 | setup_dashed_rect(rects[rectIndex], vertices, curVIdx, geom.fSrcRotInv, |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 651 | draws[i].fStartOffset, draws[i].fDevBloatX, |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 652 | draws[i].fDevBloatY, draws[i].fIntervals[0], |
| 653 | draws[i].fHalfDevStroke, draws[i].fIntervals[0], |
| 654 | draws[i].fIntervals[1], draws[i].fStrokeWidth, capType, |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 655 | gp->getVertexStride()); |
| 656 | } else { |
| 657 | SkPoint* verts = reinterpret_cast<SkPoint*>(vertices); |
| 658 | SkASSERT(gp->getVertexStride() == sizeof(SkPoint)); |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 659 | setup_dashed_rect_pos(rects[rectIndex], curVIdx, geom.fSrcRotInv, verts); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 660 | } |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 661 | curVIdx += 4; |
| 662 | } |
| 663 | rectIndex++; |
| 664 | |
| 665 | if (draws[i].fHasEndRect) { |
| 666 | if (fullDash) { |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 667 | setup_dashed_rect(rects[rectIndex], vertices, curVIdx, geom.fSrcRotInv, |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 668 | draws[i].fStartOffset, draws[i].fDevBloatX, |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 669 | draws[i].fDevBloatY, draws[i].fIntervals[0], |
| 670 | draws[i].fHalfDevStroke, draws[i].fIntervals[0], |
| 671 | draws[i].fIntervals[1], draws[i].fStrokeWidth, capType, |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 672 | gp->getVertexStride()); |
| 673 | } else { |
| 674 | SkPoint* verts = reinterpret_cast<SkPoint*>(vertices); |
| 675 | SkASSERT(gp->getVertexStride() == sizeof(SkPoint)); |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 676 | setup_dashed_rect_pos(rects[rectIndex], curVIdx, geom.fSrcRotInv, verts); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 677 | } |
| 678 | curVIdx += 4; |
| 679 | } |
| 680 | rectIndex++; |
| 681 | } |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 682 | SkASSERT(0 == (curVIdx % 4) && (curVIdx / 4) == totalRectCount); |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 683 | uint32_t pipelineFlags = 0; |
| 684 | if (AAMode::kCoverageWithMSAA == fAAMode) { |
| 685 | pipelineFlags |= GrPipeline::kHWAntialias_Flag; |
| 686 | } |
| 687 | if (fDisableSRGBOutputConversion) { |
| 688 | pipelineFlags |= GrPipeline::kDisableOutputConversionToSRGB_Flag; |
| 689 | } |
| 690 | if (fAllowsSRGBInputs) { |
| 691 | pipelineFlags |= GrPipeline::kAllowSRGBInputs_Flag; |
| 692 | } |
Brian Salomon | bfd18cd | 2017-08-09 16:27:09 -0400 | [diff] [blame] | 693 | const GrPipeline* pipeline = target->makePipeline(pipelineFlags, std::move(fProcessorSet), |
| 694 | target->detachAppliedClip()); |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 695 | helper.recordDraw(target, gp.get(), pipeline); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 696 | } |
| 697 | |
Brian Salomon | 25a8809 | 2016-12-01 09:36:50 -0500 | [diff] [blame] | 698 | bool onCombineIfPossible(GrOp* t, const GrCaps& caps) override { |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 699 | DashOp* that = t->cast<DashOp>(); |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 700 | if (fProcessorSet != that->fProcessorSet) { |
| 701 | return false; |
| 702 | } |
| 703 | if (fDisallowCombineOnTouchOrOverlap && |
| 704 | GrRectsTouchOrOverlap(this->bounds(), that->bounds())) { |
joshualitt | 8cab9a7 | 2015-07-16 09:13:50 -0700 | [diff] [blame] | 705 | return false; |
| 706 | } |
| 707 | |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 708 | if (this->aaMode() != that->aaMode()) { |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 709 | return false; |
| 710 | } |
| 711 | |
| 712 | if (this->fullDash() != that->fullDash()) { |
| 713 | return false; |
| 714 | } |
| 715 | |
| 716 | if (this->cap() != that->cap()) { |
| 717 | return false; |
| 718 | } |
| 719 | |
| 720 | // TODO vertex color |
| 721 | if (this->color() != that->color()) { |
| 722 | return false; |
| 723 | } |
| 724 | |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 725 | if (fUsesLocalCoords && !this->viewMatrix().cheapEqualTo(that->viewMatrix())) { |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 726 | return false; |
| 727 | } |
| 728 | |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 729 | fLines.push_back_n(that->fLines.count(), that->fLines.begin()); |
bsalomon | 88cf17d | 2016-07-08 06:40:56 -0700 | [diff] [blame] | 730 | this->joinBounds(*that); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 731 | return true; |
| 732 | } |
| 733 | |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 734 | GrColor color() const { return fColor; } |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 735 | const SkMatrix& viewMatrix() const { return fLines[0].fViewMatrix; } |
| 736 | AAMode aaMode() const { return fAAMode; } |
| 737 | bool fullDash() const { return fFullDash; } |
| 738 | SkPaint::Cap cap() const { return fCap; } |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 739 | |
| 740 | static const int kVertsPerDash = 4; |
| 741 | static const int kIndicesPerDash = 6; |
| 742 | |
Brian Salomon | beae8a9 | 2017-07-12 16:58:54 +0000 | [diff] [blame] | 743 | SkSTArray<1, LineData, true> fLines; |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 744 | GrColor fColor; |
| 745 | bool fAllowsSRGBInputs : 1; |
| 746 | bool fDisableSRGBOutputConversion : 1; |
| 747 | bool fDisallowCombineOnTouchOrOverlap : 1; |
| 748 | bool fUsesLocalCoords : 1; |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 749 | bool fFullDash : 1; |
Brian Salomon | 89717fc | 2017-07-13 11:25:18 -0400 | [diff] [blame] | 750 | // We use 3 bits for this 3-value enum because MSVS makes the underlying types signed. |
| 751 | SkPaint::Cap fCap : 3; |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 752 | AAMode fAAMode; |
| 753 | GrProcessorSet fProcessorSet; |
| 754 | const GrUserStencilSettings* fStencilSettings; |
reed | 1b55a96 | 2015-09-17 20:16:13 -0700 | [diff] [blame] | 755 | |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 756 | typedef GrMeshDrawOp INHERITED; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 757 | }; |
| 758 | |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 759 | std::unique_ptr<GrDrawOp> GrDashOp::MakeDashLineOp(GrPaint&& paint, |
| 760 | const SkMatrix& viewMatrix, |
| 761 | const SkPoint pts[2], |
| 762 | AAMode aaMode, |
| 763 | const GrStyle& style, |
| 764 | const GrUserStencilSettings* stencilSettings) { |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 765 | SkASSERT(GrDashOp::CanDrawDashLine(pts, style, viewMatrix)); |
bsalomon | 6663acf | 2016-05-10 09:14:17 -0700 | [diff] [blame] | 766 | const SkScalar* intervals = style.dashIntervals(); |
| 767 | SkScalar phase = style.dashPhase(); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 768 | |
bsalomon | 6663acf | 2016-05-10 09:14:17 -0700 | [diff] [blame] | 769 | SkPaint::Cap cap = style.strokeRec().getCap(); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 770 | |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 771 | DashOp::LineData lineData; |
| 772 | lineData.fSrcStrokeWidth = style.strokeRec().getWidth(); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 773 | |
| 774 | // the phase should be normalized to be [0, sum of all intervals) |
kkinnunen | 261694c | 2015-05-05 08:00:10 -0700 | [diff] [blame] | 775 | SkASSERT(phase >= 0 && phase < intervals[0] + intervals[1]); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 776 | |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 777 | // Rotate the src pts so they are aligned horizontally with pts[0].fX < pts[1].fX |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 778 | if (pts[0].fY != pts[1].fY || pts[0].fX > pts[1].fX) { |
egdaniel | e61c411 | 2014-06-12 10:24:21 -0700 | [diff] [blame] | 779 | SkMatrix rotMatrix; |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 780 | align_to_x_axis(pts, &rotMatrix, lineData.fPtsRot); |
| 781 | if (!rotMatrix.invert(&lineData.fSrcRotInv)) { |
tfarina | 38406c8 | 2014-10-31 07:11:12 -0700 | [diff] [blame] | 782 | SkDebugf("Failed to create invertible rotation matrix!\n"); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 783 | return nullptr; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 784 | } |
| 785 | } else { |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 786 | lineData.fSrcRotInv.reset(); |
| 787 | memcpy(lineData.fPtsRot, pts, 2 * sizeof(SkPoint)); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 788 | } |
| 789 | |
| 790 | // Scale corrections of intervals and stroke from view matrix |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 791 | calc_dash_scaling(&lineData.fParallelScale, &lineData.fPerpendicularScale, viewMatrix, |
| 792 | lineData.fPtsRot); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 793 | |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 794 | SkScalar offInterval = intervals[1] * lineData.fParallelScale; |
| 795 | SkScalar strokeWidth = lineData.fSrcStrokeWidth * lineData.fPerpendicularScale; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 796 | |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 797 | if (SkPaint::kSquare_Cap == cap && 0 != lineData.fSrcStrokeWidth) { |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 798 | // add cap to on interveal and remove from off interval |
| 799 | offInterval -= strokeWidth; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 800 | } |
| 801 | |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 802 | // TODO we can do a real rect call if not using fulldash(ie no off interval, not using AA) |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 803 | bool fullDash = offInterval > 0.f || aaMode != AAMode::kNone; |
skia.committer@gmail.com | 3b9e8be | 2014-05-20 03:05:34 +0000 | [diff] [blame] | 804 | |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 805 | lineData.fViewMatrix = viewMatrix; |
| 806 | lineData.fPhase = phase; |
| 807 | lineData.fIntervals[0] = intervals[0]; |
| 808 | lineData.fIntervals[1] = intervals[1]; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 809 | |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 810 | return DashOp::Make(std::move(paint), lineData, cap, aaMode, fullDash, stencilSettings); |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 811 | } |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 812 | |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 813 | ////////////////////////////////////////////////////////////////////////////// |
| 814 | |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 815 | class GLDashingCircleEffect; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 816 | |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 817 | /* |
| 818 | * This effect will draw a dotted line (defined as a dashed lined with round caps and no on |
| 819 | * interval). The radius of the dots is given by the strokeWidth and the spacing by the DashInfo. |
| 820 | * Both of the previous two parameters are in device space. This effect also requires the setting of |
Ethan Nicholas | 5af9ea3 | 2017-07-28 15:19:46 -0400 | [diff] [blame] | 821 | * a float2 vertex attribute for the the four corners of the bounding rect. This attribute is the |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 822 | * "dash position" of each vertex. In other words it is the vertex coords (in device space) if we |
| 823 | * transform the line to be horizontal, with the start of line at the origin then shifted to the |
| 824 | * right by half the off interval. The line then goes in the positive x direction. |
| 825 | */ |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 826 | class DashingCircleEffect : public GrGeometryProcessor { |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 827 | public: |
| 828 | typedef SkPathEffect::DashInfo DashInfo; |
| 829 | |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 830 | static sk_sp<GrGeometryProcessor> Make(GrColor, |
| 831 | AAMode aaMode, |
| 832 | const SkMatrix& localMatrix, |
| 833 | bool usesLocalCoords); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 834 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 835 | const char* name() const override { return "DashingCircleEffect"; } |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 836 | |
joshualitt | 71c9260 | 2015-01-14 08:12:47 -0800 | [diff] [blame] | 837 | const Attribute* inPosition() const { return fInPosition; } |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 838 | |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 839 | const Attribute* inDashParams() const { return fInDashParams; } |
| 840 | |
| 841 | const Attribute* inCircleParams() const { return fInCircleParams; } |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 842 | |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 843 | AAMode aaMode() const { return fAAMode; } |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 844 | |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 845 | GrColor color() const { return fColor; } |
| 846 | |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 847 | const SkMatrix& localMatrix() const { return fLocalMatrix; } |
| 848 | |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 849 | bool usesLocalCoords() const { return fUsesLocalCoords; } |
| 850 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 851 | void getGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder* b) const override; |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 852 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 853 | GrGLSLPrimitiveProcessor* createGLSLInstance(const GrShaderCaps&) const override; |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 854 | |
| 855 | private: |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 856 | DashingCircleEffect(GrColor, AAMode aaMode, const SkMatrix& localMatrix, |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 857 | bool usesLocalCoords); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 858 | |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 859 | GrColor fColor; |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 860 | SkMatrix fLocalMatrix; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 861 | bool fUsesLocalCoords; |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 862 | AAMode fAAMode; |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 863 | const Attribute* fInPosition; |
| 864 | const Attribute* fInDashParams; |
| 865 | const Attribute* fInCircleParams; |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 866 | |
Brian Salomon | 0c26a9d | 2017-07-06 10:09:38 -0400 | [diff] [blame] | 867 | GR_DECLARE_GEOMETRY_PROCESSOR_TEST |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 868 | |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 869 | typedef GrGeometryProcessor INHERITED; |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 870 | }; |
| 871 | |
| 872 | ////////////////////////////////////////////////////////////////////////////// |
| 873 | |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 874 | class GLDashingCircleEffect : public GrGLSLGeometryProcessor { |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 875 | public: |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 876 | GLDashingCircleEffect(); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 877 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 878 | void onEmitCode(EmitArgs&, GrGPArgs*) override; |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 879 | |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 880 | static inline void GenKey(const GrGeometryProcessor&, |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 881 | const GrShaderCaps&, |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 882 | GrProcessorKeyBuilder*); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 883 | |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 884 | void setData(const GrGLSLProgramDataManager&, const GrPrimitiveProcessor&, |
| 885 | FPCoordTransformIter&& transformIter) override; |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 886 | private: |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 887 | UniformHandle fParamUniform; |
| 888 | UniformHandle fColorUniform; |
| 889 | GrColor fColor; |
| 890 | SkScalar fPrevRadius; |
| 891 | SkScalar fPrevCenterX; |
| 892 | SkScalar fPrevIntervalLength; |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 893 | typedef GrGLSLGeometryProcessor INHERITED; |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 894 | }; |
| 895 | |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 896 | GLDashingCircleEffect::GLDashingCircleEffect() { |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 897 | fColor = GrColor_ILLEGAL; |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 898 | fPrevRadius = SK_ScalarMin; |
| 899 | fPrevCenterX = SK_ScalarMin; |
| 900 | fPrevIntervalLength = SK_ScalarMax; |
| 901 | } |
| 902 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 903 | void GLDashingCircleEffect::onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) { |
joshualitt | c369e7c | 2014-10-22 10:56:26 -0700 | [diff] [blame] | 904 | const DashingCircleEffect& dce = args.fGP.cast<DashingCircleEffect>(); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 905 | GrGLSLVertexBuilder* vertBuilder = args.fVertBuilder; |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 906 | GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler; |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 907 | GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 908 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 909 | // emit attributes |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 910 | varyingHandler->emitAttributes(dce); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 911 | |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 912 | // XY are dashPos, Z is dashInterval |
Chris Dalton | 2737288 | 2017-12-08 13:34:21 -0700 | [diff] [blame] | 913 | GrGLSLVarying dashParams(kHalf3_GrSLType); |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 914 | varyingHandler->addVarying("DashParam", &dashParams); |
Brian Salomon | 70132d0 | 2018-05-29 15:33:06 -0400 | [diff] [blame^] | 915 | vertBuilder->codeAppendf("%s = %s;", dashParams.vsOut(), dce.inDashParams()->name()); |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 916 | |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 917 | // x refers to circle radius - 0.5, y refers to cicle's center x coord |
Chris Dalton | 2737288 | 2017-12-08 13:34:21 -0700 | [diff] [blame] | 918 | GrGLSLVarying circleParams(kHalf2_GrSLType); |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 919 | varyingHandler->addVarying("CircleParams", &circleParams); |
Brian Salomon | 70132d0 | 2018-05-29 15:33:06 -0400 | [diff] [blame^] | 920 | vertBuilder->codeAppendf("%s = %s;", circleParams.vsOut(), dce.inCircleParams()->name()); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 921 | |
Chris Dalton | 6028361 | 2018-02-14 13:38:14 -0700 | [diff] [blame] | 922 | GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 923 | // Setup pass through color |
Brian Salomon | bfd5183 | 2017-01-04 13:22:08 -0500 | [diff] [blame] | 924 | this->setupUniformColor(fragBuilder, uniformHandler, args.fOutputColor, &fColorUniform); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 925 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 926 | // Setup position |
Brian Salomon | 70132d0 | 2018-05-29 15:33:06 -0400 | [diff] [blame^] | 927 | this->writeOutputPosition(vertBuilder, gpArgs, dce.inPosition()->name()); |
joshualitt | 4973d9d | 2014-11-08 09:24:25 -0800 | [diff] [blame] | 928 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 929 | // emit transforms |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 930 | this->emitTransforms(vertBuilder, |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 931 | varyingHandler, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 932 | uniformHandler, |
Brian Salomon | 04460cc | 2017-12-06 14:47:42 -0500 | [diff] [blame] | 933 | dce.inPosition()->asShaderVar(), |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 934 | dce.localMatrix(), |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 935 | args.fFPCoordTransformHandler); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 936 | |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 937 | // transforms all points so that we can compare them to our test circle |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 938 | fragBuilder->codeAppendf("half xShifted = %s.x - floor(%s.x / %s.z) * %s.z;", |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 939 | dashParams.fsIn(), dashParams.fsIn(), dashParams.fsIn(), |
| 940 | dashParams.fsIn()); |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 941 | fragBuilder->codeAppendf("half2 fragPosShifted = half2(xShifted, %s.y);", dashParams.fsIn()); |
| 942 | fragBuilder->codeAppendf("half2 center = half2(%s.y, 0.0);", circleParams.fsIn()); |
| 943 | fragBuilder->codeAppend("half dist = length(center - fragPosShifted);"); |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 944 | if (dce.aaMode() != AAMode::kNone) { |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 945 | fragBuilder->codeAppendf("half diff = dist - %s.x;", circleParams.fsIn()); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 946 | fragBuilder->codeAppend("diff = 1.0 - diff;"); |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 947 | fragBuilder->codeAppend("half alpha = clamp(diff, 0.0, 1.0);"); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 948 | } else { |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 949 | fragBuilder->codeAppendf("half alpha = 1.0;"); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 950 | fragBuilder->codeAppendf("alpha *= dist < %s.x + 0.5 ? 1.0 : 0.0;", circleParams.fsIn()); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 951 | } |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 952 | fragBuilder->codeAppendf("%s = half4(alpha);", args.fOutputCoverage); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 953 | } |
| 954 | |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 955 | void GLDashingCircleEffect::setData(const GrGLSLProgramDataManager& pdman, |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 956 | const GrPrimitiveProcessor& processor, |
| 957 | FPCoordTransformIter&& transformIter) { |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 958 | const DashingCircleEffect& dce = processor.cast<DashingCircleEffect>(); |
| 959 | if (dce.color() != fColor) { |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 960 | float c[4]; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 961 | GrColorToRGBAFloat(dce.color(), c); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 962 | pdman.set4fv(fColorUniform, 1, c); |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 963 | fColor = dce.color(); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 964 | } |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 965 | this->setTransformDataHelper(dce.localMatrix(), pdman, &transformIter); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 966 | } |
| 967 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 968 | void GLDashingCircleEffect::GenKey(const GrGeometryProcessor& gp, |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 969 | const GrShaderCaps&, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 970 | GrProcessorKeyBuilder* b) { |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 971 | const DashingCircleEffect& dce = gp.cast<DashingCircleEffect>(); |
| 972 | uint32_t key = 0; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 973 | key |= dce.usesLocalCoords() && dce.localMatrix().hasPerspective() ? 0x1 : 0x0; |
Brian Salomon | bfd5183 | 2017-01-04 13:22:08 -0500 | [diff] [blame] | 974 | key |= static_cast<uint32_t>(dce.aaMode()) << 1; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 975 | b->add32(key); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 976 | } |
| 977 | |
| 978 | ////////////////////////////////////////////////////////////////////////////// |
| 979 | |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 980 | sk_sp<GrGeometryProcessor> DashingCircleEffect::Make(GrColor color, |
| 981 | AAMode aaMode, |
| 982 | const SkMatrix& localMatrix, |
| 983 | bool usesLocalCoords) { |
| 984 | return sk_sp<GrGeometryProcessor>( |
| 985 | new DashingCircleEffect(color, aaMode, localMatrix, usesLocalCoords)); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 986 | } |
| 987 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 988 | void DashingCircleEffect::getGLSLProcessorKey(const GrShaderCaps& caps, |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 989 | GrProcessorKeyBuilder* b) const { |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 990 | GLDashingCircleEffect::GenKey(*this, caps, b); |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 991 | } |
| 992 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 993 | GrGLSLPrimitiveProcessor* DashingCircleEffect::createGLSLInstance(const GrShaderCaps&) const { |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 994 | return new GLDashingCircleEffect(); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 995 | } |
| 996 | |
joshualitt | 2e3b3e3 | 2014-12-09 13:31:14 -0800 | [diff] [blame] | 997 | DashingCircleEffect::DashingCircleEffect(GrColor color, |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 998 | AAMode aaMode, |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 999 | const SkMatrix& localMatrix, |
| 1000 | bool usesLocalCoords) |
Ethan Nicholas | abff956 | 2017-10-09 10:54:08 -0400 | [diff] [blame] | 1001 | : INHERITED(kDashingCircleEffect_ClassID) |
| 1002 | , fColor(color) |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 1003 | , fLocalMatrix(localMatrix) |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 1004 | , fUsesLocalCoords(usesLocalCoords) |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 1005 | , fAAMode(aaMode) { |
Ethan Nicholas | fa7ee24 | 2017-09-25 09:52:04 -0400 | [diff] [blame] | 1006 | fInPosition = &this->addVertexAttrib("inPosition", kFloat2_GrVertexAttribType); |
| 1007 | fInDashParams = &this->addVertexAttrib("inDashParams", kHalf3_GrVertexAttribType); |
| 1008 | fInCircleParams = &this->addVertexAttrib("inCircleParams", kHalf2_GrVertexAttribType); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 1009 | } |
| 1010 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1011 | GR_DEFINE_GEOMETRY_PROCESSOR_TEST(DashingCircleEffect); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 1012 | |
Hal Canary | 6f6961e | 2017-01-31 13:50:44 -0500 | [diff] [blame] | 1013 | #if GR_TEST_UTILS |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 1014 | sk_sp<GrGeometryProcessor> DashingCircleEffect::TestCreate(GrProcessorTestData* d) { |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 1015 | AAMode aaMode = static_cast<AAMode>(d->fRandom->nextULessThan(GrDashOp::kAAModeCnt)); |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 1016 | return DashingCircleEffect::Make(GrRandomColor(d->fRandom), |
| 1017 | aaMode, GrTest::TestMatrix(d->fRandom), |
| 1018 | d->fRandom->nextBool()); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 1019 | } |
Hal Canary | 6f6961e | 2017-01-31 13:50:44 -0500 | [diff] [blame] | 1020 | #endif |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 1021 | |
| 1022 | ////////////////////////////////////////////////////////////////////////////// |
| 1023 | |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1024 | class GLDashingLineEffect; |
| 1025 | |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 1026 | /* |
| 1027 | * This effect will draw a dashed line. The width of the dash is given by the strokeWidth and the |
| 1028 | * length and spacing by the DashInfo. Both of the previous two parameters are in device space. |
Ethan Nicholas | 5af9ea3 | 2017-07-28 15:19:46 -0400 | [diff] [blame] | 1029 | * This effect also requires the setting of a float2 vertex attribute for the the four corners of the |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 1030 | * bounding rect. This attribute is the "dash position" of each vertex. In other words it is the |
| 1031 | * vertex coords (in device space) if we transform the line to be horizontal, with the start of |
| 1032 | * line at the origin then shifted to the right by half the off interval. The line then goes in the |
| 1033 | * positive x direction. |
| 1034 | */ |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 1035 | class DashingLineEffect : public GrGeometryProcessor { |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1036 | public: |
| 1037 | typedef SkPathEffect::DashInfo DashInfo; |
| 1038 | |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 1039 | static sk_sp<GrGeometryProcessor> Make(GrColor, |
| 1040 | AAMode aaMode, |
| 1041 | const SkMatrix& localMatrix, |
| 1042 | bool usesLocalCoords); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1043 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1044 | const char* name() const override { return "DashingEffect"; } |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1045 | |
joshualitt | 71c9260 | 2015-01-14 08:12:47 -0800 | [diff] [blame] | 1046 | const Attribute* inPosition() const { return fInPosition; } |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 1047 | |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 1048 | const Attribute* inDashParams() const { return fInDashParams; } |
| 1049 | |
| 1050 | const Attribute* inRectParams() const { return fInRectParams; } |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 1051 | |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 1052 | AAMode aaMode() const { return fAAMode; } |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1053 | |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 1054 | GrColor color() const { return fColor; } |
| 1055 | |
Brian Salomon | bfd5183 | 2017-01-04 13:22:08 -0500 | [diff] [blame] | 1056 | const SkMatrix& localMatrix() const { return fLocalMatrix; } |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 1057 | |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 1058 | bool usesLocalCoords() const { return fUsesLocalCoords; } |
| 1059 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 1060 | void getGLSLProcessorKey(const GrShaderCaps& caps, GrProcessorKeyBuilder* b) const override; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1061 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 1062 | GrGLSLPrimitiveProcessor* createGLSLInstance(const GrShaderCaps&) const override; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1063 | |
| 1064 | private: |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 1065 | DashingLineEffect(GrColor, AAMode aaMode, const SkMatrix& localMatrix, |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 1066 | bool usesLocalCoords); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1067 | |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 1068 | GrColor fColor; |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 1069 | SkMatrix fLocalMatrix; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 1070 | bool fUsesLocalCoords; |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 1071 | AAMode fAAMode; |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 1072 | const Attribute* fInPosition; |
| 1073 | const Attribute* fInDashParams; |
| 1074 | const Attribute* fInRectParams; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1075 | |
Brian Salomon | 0c26a9d | 2017-07-06 10:09:38 -0400 | [diff] [blame] | 1076 | GR_DECLARE_GEOMETRY_PROCESSOR_TEST |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1077 | |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 1078 | typedef GrGeometryProcessor INHERITED; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1079 | }; |
| 1080 | |
| 1081 | ////////////////////////////////////////////////////////////////////////////// |
| 1082 | |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 1083 | class GLDashingLineEffect : public GrGLSLGeometryProcessor { |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1084 | public: |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 1085 | GLDashingLineEffect(); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1086 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1087 | void onEmitCode(EmitArgs&, GrGPArgs*) override; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1088 | |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 1089 | static inline void GenKey(const GrGeometryProcessor&, |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 1090 | const GrShaderCaps&, |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 1091 | GrProcessorKeyBuilder*); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1092 | |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 1093 | void setData(const GrGLSLProgramDataManager&, const GrPrimitiveProcessor&, |
| 1094 | FPCoordTransformIter&& iter) override; |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 1095 | |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1096 | private: |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 1097 | GrColor fColor; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 1098 | UniformHandle fColorUniform; |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 1099 | typedef GrGLSLGeometryProcessor INHERITED; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1100 | }; |
| 1101 | |
Brian Salomon | bfd5183 | 2017-01-04 13:22:08 -0500 | [diff] [blame] | 1102 | GLDashingLineEffect::GLDashingLineEffect() : fColor(GrColor_ILLEGAL) {} |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1103 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 1104 | void GLDashingLineEffect::onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) { |
joshualitt | c369e7c | 2014-10-22 10:56:26 -0700 | [diff] [blame] | 1105 | const DashingLineEffect& de = args.fGP.cast<DashingLineEffect>(); |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 1106 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 1107 | GrGLSLVertexBuilder* vertBuilder = args.fVertBuilder; |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 1108 | GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler; |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 1109 | GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 1110 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 1111 | // emit attributes |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 1112 | varyingHandler->emitAttributes(de); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 1113 | |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 1114 | // XY refers to dashPos, Z is the dash interval length |
Chris Dalton | 2737288 | 2017-12-08 13:34:21 -0700 | [diff] [blame] | 1115 | GrGLSLVarying inDashParams(kFloat3_GrSLType); |
Chris Dalton | fdde34e | 2017-10-16 14:15:26 -0600 | [diff] [blame] | 1116 | varyingHandler->addVarying("DashParams", &inDashParams); |
Brian Salomon | 70132d0 | 2018-05-29 15:33:06 -0400 | [diff] [blame^] | 1117 | vertBuilder->codeAppendf("%s = %s;", inDashParams.vsOut(), de.inDashParams()->name()); |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 1118 | |
| 1119 | // The rect uniform's xyzw refer to (left + 0.5, top + 0.5, right - 0.5, bottom - 0.5), |
| 1120 | // respectively. |
Chris Dalton | 2737288 | 2017-12-08 13:34:21 -0700 | [diff] [blame] | 1121 | GrGLSLVarying inRectParams(kFloat4_GrSLType); |
Chris Dalton | fdde34e | 2017-10-16 14:15:26 -0600 | [diff] [blame] | 1122 | varyingHandler->addVarying("RectParams", &inRectParams); |
Brian Salomon | 70132d0 | 2018-05-29 15:33:06 -0400 | [diff] [blame^] | 1123 | vertBuilder->codeAppendf("%s = %s;", inRectParams.vsOut(), de.inRectParams()->name()); |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 1124 | |
Chris Dalton | 6028361 | 2018-02-14 13:38:14 -0700 | [diff] [blame] | 1125 | GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 1126 | // Setup pass through color |
Brian Salomon | bfd5183 | 2017-01-04 13:22:08 -0500 | [diff] [blame] | 1127 | this->setupUniformColor(fragBuilder, uniformHandler, args.fOutputColor, &fColorUniform); |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 1128 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 1129 | // Setup position |
Brian Salomon | 70132d0 | 2018-05-29 15:33:06 -0400 | [diff] [blame^] | 1130 | this->writeOutputPosition(vertBuilder, gpArgs, de.inPosition()->name()); |
joshualitt | 4973d9d | 2014-11-08 09:24:25 -0800 | [diff] [blame] | 1131 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 1132 | // emit transforms |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 1133 | this->emitTransforms(vertBuilder, |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 1134 | varyingHandler, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 1135 | uniformHandler, |
Brian Salomon | 04460cc | 2017-12-06 14:47:42 -0500 | [diff] [blame] | 1136 | de.inPosition()->asShaderVar(), |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 1137 | de.localMatrix(), |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 1138 | args.fFPCoordTransformHandler); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 1139 | |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1140 | // transforms all points so that we can compare them to our test rect |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 1141 | fragBuilder->codeAppendf("half xShifted = %s.x - floor(%s.x / %s.z) * %s.z;", |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 1142 | inDashParams.fsIn(), inDashParams.fsIn(), inDashParams.fsIn(), |
| 1143 | inDashParams.fsIn()); |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 1144 | fragBuilder->codeAppendf("half2 fragPosShifted = half2(xShifted, %s.y);", inDashParams.fsIn()); |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 1145 | if (de.aaMode() == AAMode::kCoverage) { |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1146 | // The amount of coverage removed in x and y by the edges is computed as a pair of negative |
| 1147 | // numbers, xSub and ySub. |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 1148 | fragBuilder->codeAppend("half xSub, ySub;"); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 1149 | fragBuilder->codeAppendf("xSub = min(fragPosShifted.x - %s.x, 0.0);", inRectParams.fsIn()); |
| 1150 | fragBuilder->codeAppendf("xSub += min(%s.z - fragPosShifted.x, 0.0);", inRectParams.fsIn()); |
| 1151 | fragBuilder->codeAppendf("ySub = min(fragPosShifted.y - %s.y, 0.0);", inRectParams.fsIn()); |
| 1152 | fragBuilder->codeAppendf("ySub += min(%s.w - fragPosShifted.y, 0.0);", inRectParams.fsIn()); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1153 | // Now compute coverage in x and y and multiply them to get the fraction of the pixel |
| 1154 | // covered. |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 1155 | fragBuilder->codeAppendf( |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 1156 | "half alpha = (1.0 + max(xSub, -1.0)) * (1.0 + max(ySub, -1.0));"); |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 1157 | } else if (de.aaMode() == AAMode::kCoverageWithMSAA) { |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 1158 | // For MSAA, we don't modulate the alpha by the Y distance, since MSAA coverage will handle |
| 1159 | // AA on the the top and bottom edges. The shader is only responsible for intra-dash alpha. |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 1160 | fragBuilder->codeAppend("half xSub;"); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 1161 | fragBuilder->codeAppendf("xSub = min(fragPosShifted.x - %s.x, 0.0);", inRectParams.fsIn()); |
| 1162 | fragBuilder->codeAppendf("xSub += min(%s.z - fragPosShifted.x, 0.0);", inRectParams.fsIn()); |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 1163 | // Now compute coverage in x to get the fraction of the pixel covered. |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 1164 | fragBuilder->codeAppendf("half alpha = (1.0 + max(xSub, -1.0));"); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1165 | } else { |
| 1166 | // Assuming the bounding geometry is tight so no need to check y values |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 1167 | fragBuilder->codeAppendf("half alpha = 1.0;"); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 1168 | fragBuilder->codeAppendf("alpha *= (fragPosShifted.x - %s.x) > -0.5 ? 1.0 : 0.0;", |
| 1169 | inRectParams.fsIn()); |
| 1170 | fragBuilder->codeAppendf("alpha *= (%s.z - fragPosShifted.x) >= -0.5 ? 1.0 : 0.0;", |
| 1171 | inRectParams.fsIn()); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1172 | } |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 1173 | fragBuilder->codeAppendf("%s = half4(alpha);", args.fOutputCoverage); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1174 | } |
| 1175 | |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 1176 | void GLDashingLineEffect::setData(const GrGLSLProgramDataManager& pdman, |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 1177 | const GrPrimitiveProcessor& processor, |
| 1178 | FPCoordTransformIter&& transformIter) { |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 1179 | const DashingLineEffect& de = processor.cast<DashingLineEffect>(); |
| 1180 | if (de.color() != fColor) { |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 1181 | float c[4]; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 1182 | GrColorToRGBAFloat(de.color(), c); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 1183 | pdman.set4fv(fColorUniform, 1, c); |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 1184 | fColor = de.color(); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 1185 | } |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 1186 | this->setTransformDataHelper(de.localMatrix(), pdman, &transformIter); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1187 | } |
| 1188 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 1189 | void GLDashingLineEffect::GenKey(const GrGeometryProcessor& gp, |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 1190 | const GrShaderCaps&, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1191 | GrProcessorKeyBuilder* b) { |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 1192 | const DashingLineEffect& de = gp.cast<DashingLineEffect>(); |
| 1193 | uint32_t key = 0; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 1194 | key |= de.usesLocalCoords() && de.localMatrix().hasPerspective() ? 0x1 : 0x0; |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 1195 | key |= static_cast<int>(de.aaMode()) << 8; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 1196 | b->add32(key); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1197 | } |
| 1198 | |
| 1199 | ////////////////////////////////////////////////////////////////////////////// |
skia.committer@gmail.com | 3b9e8be | 2014-05-20 03:05:34 +0000 | [diff] [blame] | 1200 | |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 1201 | sk_sp<GrGeometryProcessor> DashingLineEffect::Make(GrColor color, |
| 1202 | AAMode aaMode, |
| 1203 | const SkMatrix& localMatrix, |
| 1204 | bool usesLocalCoords) { |
| 1205 | return sk_sp<GrGeometryProcessor>( |
| 1206 | new DashingLineEffect(color, aaMode, localMatrix, usesLocalCoords)); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1207 | } |
| 1208 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 1209 | void DashingLineEffect::getGLSLProcessorKey(const GrShaderCaps& caps, |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 1210 | GrProcessorKeyBuilder* b) const { |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 1211 | GLDashingLineEffect::GenKey(*this, caps, b); |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 1212 | } |
| 1213 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 1214 | GrGLSLPrimitiveProcessor* DashingLineEffect::createGLSLInstance(const GrShaderCaps&) const { |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 1215 | return new GLDashingLineEffect(); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1216 | } |
| 1217 | |
joshualitt | 2e3b3e3 | 2014-12-09 13:31:14 -0800 | [diff] [blame] | 1218 | DashingLineEffect::DashingLineEffect(GrColor color, |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 1219 | AAMode aaMode, |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 1220 | const SkMatrix& localMatrix, |
| 1221 | bool usesLocalCoords) |
Ethan Nicholas | abff956 | 2017-10-09 10:54:08 -0400 | [diff] [blame] | 1222 | : INHERITED(kDashingLineEffect_ClassID) |
| 1223 | , fColor(color) |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 1224 | , fLocalMatrix(localMatrix) |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 1225 | , fUsesLocalCoords(usesLocalCoords) |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 1226 | , fAAMode(aaMode) { |
Ethan Nicholas | fa7ee24 | 2017-09-25 09:52:04 -0400 | [diff] [blame] | 1227 | fInPosition = &this->addVertexAttrib("inPosition", kFloat2_GrVertexAttribType); |
| 1228 | fInDashParams = &this->addVertexAttrib("inDashParams", kHalf3_GrVertexAttribType); |
| 1229 | fInRectParams = &this->addVertexAttrib("inRect", kHalf4_GrVertexAttribType); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1230 | } |
| 1231 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1232 | GR_DEFINE_GEOMETRY_PROCESSOR_TEST(DashingLineEffect); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1233 | |
Hal Canary | 6f6961e | 2017-01-31 13:50:44 -0500 | [diff] [blame] | 1234 | #if GR_TEST_UTILS |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 1235 | sk_sp<GrGeometryProcessor> DashingLineEffect::TestCreate(GrProcessorTestData* d) { |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 1236 | AAMode aaMode = static_cast<AAMode>(d->fRandom->nextULessThan(GrDashOp::kAAModeCnt)); |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 1237 | return DashingLineEffect::Make(GrRandomColor(d->fRandom), |
| 1238 | aaMode, GrTest::TestMatrix(d->fRandom), |
| 1239 | d->fRandom->nextBool()); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1240 | } |
Hal Canary | 6f6961e | 2017-01-31 13:50:44 -0500 | [diff] [blame] | 1241 | #endif |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1242 | |
| 1243 | ////////////////////////////////////////////////////////////////////////////// |
| 1244 | |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 1245 | static sk_sp<GrGeometryProcessor> make_dash_gp(GrColor color, |
| 1246 | AAMode aaMode, |
| 1247 | DashCap cap, |
| 1248 | const SkMatrix& viewMatrix, |
| 1249 | bool usesLocalCoords) { |
joshualitt | df0c557 | 2015-08-03 11:35:28 -0700 | [diff] [blame] | 1250 | SkMatrix invert; |
| 1251 | if (usesLocalCoords && !viewMatrix.invert(&invert)) { |
| 1252 | SkDebugf("Failed to invert\n"); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 1253 | return nullptr; |
joshualitt | df0c557 | 2015-08-03 11:35:28 -0700 | [diff] [blame] | 1254 | } |
| 1255 | |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 1256 | switch (cap) { |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 1257 | case kRound_DashCap: |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 1258 | return DashingCircleEffect::Make(color, aaMode, invert, usesLocalCoords); |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 1259 | case kNonRound_DashCap: |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 1260 | return DashingLineEffect::Make(color, aaMode, invert, usesLocalCoords); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 1261 | } |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 1262 | return nullptr; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1263 | } |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1264 | |
| 1265 | ///////////////////////////////////////////////////////////////////////////////////////////////// |
| 1266 | |
Hal Canary | 6f6961e | 2017-01-31 13:50:44 -0500 | [diff] [blame] | 1267 | #if GR_TEST_UTILS |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1268 | |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 1269 | GR_DRAW_OP_TEST_DEFINE(DashOp) { |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1270 | SkMatrix viewMatrix = GrTest::TestMatrixPreservesRightAngles(random); |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 1271 | AAMode aaMode; |
| 1272 | do { |
| 1273 | aaMode = static_cast<AAMode>(random->nextULessThan(GrDashOp::kAAModeCnt)); |
| 1274 | } while (AAMode::kCoverageWithMSAA == aaMode && GrFSAAType::kUnifiedMSAA != fsaaType); |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1275 | |
| 1276 | // We can only dash either horizontal or vertical lines |
| 1277 | SkPoint pts[2]; |
| 1278 | if (random->nextBool()) { |
| 1279 | // vertical |
| 1280 | pts[0].fX = 1.f; |
| 1281 | pts[0].fY = random->nextF() * 10.f; |
| 1282 | pts[1].fX = 1.f; |
| 1283 | pts[1].fY = random->nextF() * 10.f; |
| 1284 | } else { |
| 1285 | // horizontal |
| 1286 | pts[0].fX = random->nextF() * 10.f; |
| 1287 | pts[0].fY = 1.f; |
| 1288 | pts[1].fX = random->nextF() * 10.f; |
| 1289 | pts[1].fY = 1.f; |
| 1290 | } |
| 1291 | |
| 1292 | // pick random cap |
bsalomon | a7d85ba | 2016-07-06 11:54:59 -0700 | [diff] [blame] | 1293 | SkPaint::Cap cap = SkPaint::Cap(random->nextULessThan(SkPaint::kCapCount)); |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1294 | |
| 1295 | SkScalar intervals[2]; |
| 1296 | |
| 1297 | // We can only dash with the following intervals |
| 1298 | enum Intervals { |
| 1299 | kOpenOpen_Intervals , |
| 1300 | kOpenClose_Intervals, |
| 1301 | kCloseOpen_Intervals, |
| 1302 | }; |
| 1303 | |
Greg Daniel | 5d00f00 | 2017-06-29 13:44:51 -0400 | [diff] [blame] | 1304 | Intervals intervalType = SkPaint::kRound_Cap == cap ? |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1305 | kOpenClose_Intervals : |
| 1306 | Intervals(random->nextULessThan(kCloseOpen_Intervals + 1)); |
| 1307 | static const SkScalar kIntervalMin = 0.1f; |
Greg Daniel | 5d00f00 | 2017-06-29 13:44:51 -0400 | [diff] [blame] | 1308 | static const SkScalar kIntervalMinCircles = 1.f; // Must be >= to stroke width |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1309 | static const SkScalar kIntervalMax = 10.f; |
| 1310 | switch (intervalType) { |
| 1311 | case kOpenOpen_Intervals: |
| 1312 | intervals[0] = random->nextRangeScalar(kIntervalMin, kIntervalMax); |
| 1313 | intervals[1] = random->nextRangeScalar(kIntervalMin, kIntervalMax); |
| 1314 | break; |
Greg Daniel | 5d00f00 | 2017-06-29 13:44:51 -0400 | [diff] [blame] | 1315 | case kOpenClose_Intervals: { |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1316 | intervals[0] = 0.f; |
Greg Daniel | 5d00f00 | 2017-06-29 13:44:51 -0400 | [diff] [blame] | 1317 | SkScalar min = SkPaint::kRound_Cap == cap ? kIntervalMinCircles : kIntervalMin; |
| 1318 | intervals[1] = random->nextRangeScalar(min, kIntervalMax); |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1319 | break; |
Greg Daniel | 5d00f00 | 2017-06-29 13:44:51 -0400 | [diff] [blame] | 1320 | } |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1321 | case kCloseOpen_Intervals: |
| 1322 | intervals[0] = random->nextRangeScalar(kIntervalMin, kIntervalMax); |
| 1323 | intervals[1] = 0.f; |
| 1324 | break; |
| 1325 | |
| 1326 | } |
| 1327 | |
| 1328 | // phase is 0 < sum (i0, i1) |
| 1329 | SkScalar phase = random->nextRangeScalar(0, intervals[0] + intervals[1]); |
| 1330 | |
| 1331 | SkPaint p; |
| 1332 | p.setStyle(SkPaint::kStroke_Style); |
| 1333 | p.setStrokeWidth(SkIntToScalar(1)); |
| 1334 | p.setStrokeCap(cap); |
bsalomon | 6663acf | 2016-05-10 09:14:17 -0700 | [diff] [blame] | 1335 | p.setPathEffect(GrTest::TestDashPathEffect::Make(intervals, 2, phase)); |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1336 | |
bsalomon | 6663acf | 2016-05-10 09:14:17 -0700 | [diff] [blame] | 1337 | GrStyle style(p); |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1338 | |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 1339 | return GrDashOp::MakeDashLineOp(std::move(paint), viewMatrix, pts, aaMode, style, |
| 1340 | GrGetRandomStencil(random, context)); |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1341 | } |
| 1342 | |
| 1343 | #endif |