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 | |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 8 | #include "include/private/GrRecordingContext.h" |
| 9 | #include "src/core/SkMatrixPriv.h" |
| 10 | #include "src/core/SkPointPriv.h" |
| 11 | #include "src/gpu/GrAppliedClip.h" |
| 12 | #include "src/gpu/GrCaps.h" |
| 13 | #include "src/gpu/GrCoordTransform.h" |
| 14 | #include "src/gpu/GrDefaultGeoProcFactory.h" |
| 15 | #include "src/gpu/GrDrawOpTest.h" |
| 16 | #include "src/gpu/GrGeometryProcessor.h" |
| 17 | #include "src/gpu/GrMemoryPool.h" |
| 18 | #include "src/gpu/GrOpFlushState.h" |
| 19 | #include "src/gpu/GrProcessor.h" |
Robert Phillips | 345af25 | 2020-03-04 10:32:28 -0500 | [diff] [blame] | 20 | #include "src/gpu/GrProgramInfo.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 21 | #include "src/gpu/GrRecordingContextPriv.h" |
| 22 | #include "src/gpu/GrStyle.h" |
| 23 | #include "src/gpu/GrVertexWriter.h" |
| 24 | #include "src/gpu/SkGr.h" |
Michael Ludwig | fd4f4df | 2019-05-29 09:51:09 -0400 | [diff] [blame] | 25 | #include "src/gpu/geometry/GrQuad.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 26 | #include "src/gpu/glsl/GrGLSLFragmentShaderBuilder.h" |
| 27 | #include "src/gpu/glsl/GrGLSLGeometryProcessor.h" |
| 28 | #include "src/gpu/glsl/GrGLSLProgramDataManager.h" |
| 29 | #include "src/gpu/glsl/GrGLSLUniformHandler.h" |
| 30 | #include "src/gpu/glsl/GrGLSLVarying.h" |
| 31 | #include "src/gpu/glsl/GrGLSLVertexGeoBuilder.h" |
| 32 | #include "src/gpu/ops/GrDashOp.h" |
| 33 | #include "src/gpu/ops/GrMeshDrawOp.h" |
Robert Phillips | 3968fcb | 2019-12-05 16:40:31 -0500 | [diff] [blame] | 34 | #include "src/gpu/ops/GrSimpleMeshDrawOpHelper.h" |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 35 | |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 36 | using AAMode = GrDashOp::AAMode; |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 37 | |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 38 | /////////////////////////////////////////////////////////////////////////////// |
| 39 | |
egdaniel | e61c411 | 2014-06-12 10:24:21 -0700 | [diff] [blame] | 40 | // 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] | 41 | bool GrDashOp::CanDrawDashLine(const SkPoint pts[2], const GrStyle& style, |
| 42 | const SkMatrix& viewMatrix) { |
egdaniel | e61c411 | 2014-06-12 10:24:21 -0700 | [diff] [blame] | 43 | // Pts must be either horizontal or vertical in src space |
| 44 | if (pts[0].fX != pts[1].fX && pts[0].fY != pts[1].fY) { |
| 45 | return false; |
| 46 | } |
| 47 | |
| 48 | // May be able to relax this to include skew. As of now cannot do perspective |
| 49 | // because of the non uniform scaling of bloating a rect |
| 50 | if (!viewMatrix.preservesRightAngles()) { |
| 51 | return false; |
| 52 | } |
| 53 | |
bsalomon | 6663acf | 2016-05-10 09:14:17 -0700 | [diff] [blame] | 54 | if (!style.isDashed() || 2 != style.dashIntervalCnt()) { |
egdaniel | e61c411 | 2014-06-12 10:24:21 -0700 | [diff] [blame] | 55 | return false; |
| 56 | } |
| 57 | |
bsalomon | 6663acf | 2016-05-10 09:14:17 -0700 | [diff] [blame] | 58 | const SkScalar* intervals = style.dashIntervals(); |
kkinnunen | 261694c | 2015-05-05 08:00:10 -0700 | [diff] [blame] | 59 | if (0 == intervals[0] && 0 == intervals[1]) { |
egdaniel | e61c411 | 2014-06-12 10:24:21 -0700 | [diff] [blame] | 60 | return false; |
| 61 | } |
| 62 | |
bsalomon | 6663acf | 2016-05-10 09:14:17 -0700 | [diff] [blame] | 63 | SkPaint::Cap cap = style.strokeRec().getCap(); |
Greg Daniel | 5fb3056 | 2017-06-29 12:27:48 -0400 | [diff] [blame] | 64 | if (SkPaint::kRound_Cap == cap) { |
| 65 | // Current we don't support round caps unless the on interval is zero |
| 66 | if (intervals[0] != 0.f) { |
| 67 | return false; |
| 68 | } |
| 69 | // If the width of the circle caps in greater than the off interval we will pick up unwanted |
| 70 | // segments of circles at the start and end of the dash line. |
| 71 | if (style.strokeRec().getWidth() > intervals[1]) { |
| 72 | return false; |
| 73 | } |
egdaniel | e61c411 | 2014-06-12 10:24:21 -0700 | [diff] [blame] | 74 | } |
| 75 | |
| 76 | return true; |
| 77 | } |
| 78 | |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 79 | static void calc_dash_scaling(SkScalar* parallelScale, SkScalar* perpScale, |
| 80 | const SkMatrix& viewMatrix, const SkPoint pts[2]) { |
| 81 | SkVector vecSrc = pts[1] - pts[0]; |
Greg Daniel | c96f9b5 | 2017-12-07 15:00:06 -0500 | [diff] [blame] | 82 | if (pts[1] == pts[0]) { |
| 83 | vecSrc.set(1.0, 0.0); |
| 84 | } |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 85 | SkScalar magSrc = vecSrc.length(); |
| 86 | SkScalar invSrc = magSrc ? SkScalarInvert(magSrc) : 0; |
| 87 | vecSrc.scale(invSrc); |
| 88 | |
| 89 | SkVector vecSrcPerp; |
Cary Clark | df429f3 | 2017-11-08 11:44:31 -0500 | [diff] [blame] | 90 | SkPointPriv::RotateCW(vecSrc, &vecSrcPerp); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 91 | viewMatrix.mapVectors(&vecSrc, 1); |
| 92 | viewMatrix.mapVectors(&vecSrcPerp, 1); |
| 93 | |
| 94 | // parallelScale tells how much to scale along the line parallel to the dash line |
| 95 | // perpScale tells how much to scale in the direction perpendicular to the dash line |
| 96 | *parallelScale = vecSrc.length(); |
| 97 | *perpScale = vecSrcPerp.length(); |
| 98 | } |
| 99 | |
| 100 | // calculates the rotation needed to aligned pts to the x axis with pts[0] < pts[1] |
| 101 | // Stores the rotation matrix in rotMatrix, and the mapped points in ptsRot |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 102 | 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] | 103 | SkVector vec = pts[1] - pts[0]; |
Greg Daniel | c96f9b5 | 2017-12-07 15:00:06 -0500 | [diff] [blame] | 104 | if (pts[1] == pts[0]) { |
| 105 | vec.set(1.0, 0.0); |
| 106 | } |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 107 | SkScalar mag = vec.length(); |
| 108 | SkScalar inv = mag ? SkScalarInvert(mag) : 0; |
| 109 | |
| 110 | vec.scale(inv); |
| 111 | rotMatrix->setSinCos(-vec.fY, vec.fX, pts[0].fX, pts[0].fY); |
| 112 | if (ptsRot) { |
| 113 | rotMatrix->mapPoints(ptsRot, pts, 2); |
| 114 | // correction for numerical issues if map doesn't make ptsRot exactly horizontal |
| 115 | ptsRot[1].fY = pts[0].fY; |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | // Assumes phase < sum of all intervals |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 120 | static SkScalar calc_start_adjustment(const SkScalar intervals[2], SkScalar phase) { |
| 121 | SkASSERT(phase < intervals[0] + intervals[1]); |
| 122 | if (phase >= intervals[0] && phase != 0) { |
| 123 | SkScalar srcIntervalLen = intervals[0] + intervals[1]; |
| 124 | return srcIntervalLen - phase; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 125 | } |
| 126 | return 0; |
| 127 | } |
| 128 | |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 129 | static SkScalar calc_end_adjustment(const SkScalar intervals[2], const SkPoint pts[2], |
egdaniel | e61c411 | 2014-06-12 10:24:21 -0700 | [diff] [blame] | 130 | SkScalar phase, SkScalar* endingInt) { |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 131 | if (pts[1].fX <= pts[0].fX) { |
| 132 | return 0; |
| 133 | } |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 134 | SkScalar srcIntervalLen = intervals[0] + intervals[1]; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 135 | SkScalar totalLen = pts[1].fX - pts[0].fX; |
reed | 80ea19c | 2015-05-12 10:37:34 -0700 | [diff] [blame] | 136 | SkScalar temp = totalLen / srcIntervalLen; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 137 | SkScalar numFullIntervals = SkScalarFloorToScalar(temp); |
egdaniel | e61c411 | 2014-06-12 10:24:21 -0700 | [diff] [blame] | 138 | *endingInt = totalLen - numFullIntervals * srcIntervalLen + phase; |
reed | 80ea19c | 2015-05-12 10:37:34 -0700 | [diff] [blame] | 139 | temp = *endingInt / srcIntervalLen; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 140 | *endingInt = *endingInt - SkScalarFloorToScalar(temp) * srcIntervalLen; |
| 141 | if (0 == *endingInt) { |
| 142 | *endingInt = srcIntervalLen; |
| 143 | } |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 144 | if (*endingInt > intervals[0]) { |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 145 | return *endingInt - intervals[0]; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 146 | } |
| 147 | return 0; |
| 148 | } |
| 149 | |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 150 | enum DashCap { |
| 151 | kRound_DashCap, |
| 152 | kNonRound_DashCap, |
| 153 | }; |
| 154 | |
Brian Osman | b2920f3 | 2018-11-16 17:12:40 -0500 | [diff] [blame] | 155 | static void setup_dashed_rect(const SkRect& rect, GrVertexWriter& vertices, const SkMatrix& matrix, |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 156 | SkScalar offset, SkScalar bloatX, SkScalar bloatY, SkScalar len, |
Brian Osman | b2920f3 | 2018-11-16 17:12:40 -0500 | [diff] [blame] | 157 | SkScalar stroke, SkScalar startInterval, SkScalar endInterval, |
| 158 | SkScalar strokeWidth, DashCap cap) { |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 159 | SkScalar intervalLength = startInterval + endInterval; |
Brian Osman | b2920f3 | 2018-11-16 17:12:40 -0500 | [diff] [blame] | 160 | SkRect dashRect = { offset - bloatX, -stroke - bloatY, |
| 161 | offset + len + bloatX, stroke + bloatY }; |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 162 | |
| 163 | if (kRound_DashCap == cap) { |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 164 | SkScalar radius = SkScalarHalf(strokeWidth) - 0.5f; |
| 165 | SkScalar centerX = SkScalarHalf(endInterval); |
| 166 | |
Michael Ludwig | e9c57d3 | 2019-02-13 13:39:39 -0500 | [diff] [blame] | 167 | vertices.writeQuad(GrQuad::MakeFromRect(rect, matrix), |
Brian Osman | b2920f3 | 2018-11-16 17:12:40 -0500 | [diff] [blame] | 168 | GrVertexWriter::TriStripFromRect(dashRect), |
| 169 | intervalLength, |
| 170 | radius, |
| 171 | centerX); |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 172 | } else { |
Brian Osman | b2920f3 | 2018-11-16 17:12:40 -0500 | [diff] [blame] | 173 | SkASSERT(kNonRound_DashCap == cap); |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 174 | SkScalar halfOffLen = SkScalarHalf(endInterval); |
| 175 | SkScalar halfStroke = SkScalarHalf(strokeWidth); |
| 176 | SkRect rectParam; |
Mike Reed | 92b3335 | 2019-08-24 19:39:13 -0400 | [diff] [blame] | 177 | rectParam.setLTRB(halfOffLen + 0.5f, -halfStroke + 0.5f, |
| 178 | halfOffLen + startInterval - 0.5f, halfStroke - 0.5f); |
Brian Osman | b2920f3 | 2018-11-16 17:12:40 -0500 | [diff] [blame] | 179 | |
Michael Ludwig | e9c57d3 | 2019-02-13 13:39:39 -0500 | [diff] [blame] | 180 | vertices.writeQuad(GrQuad::MakeFromRect(rect, matrix), |
Brian Osman | b2920f3 | 2018-11-16 17:12:40 -0500 | [diff] [blame] | 181 | GrVertexWriter::TriStripFromRect(dashRect), |
| 182 | intervalLength, |
| 183 | rectParam); |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 184 | } |
egdaniel | e61c411 | 2014-06-12 10:24:21 -0700 | [diff] [blame] | 185 | } |
| 186 | |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 187 | /** |
| 188 | * An GrGeometryProcessor that renders a dashed line. |
| 189 | * This GrGeometryProcessor is meant for dashed lines that only have a single on/off interval pair. |
| 190 | * Bounding geometry is rendered and the effect computes coverage based on the fragment's |
| 191 | * position relative to the dashed line. |
| 192 | */ |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 193 | static GrGeometryProcessor* make_dash_gp(SkArenaAlloc* arena, |
| 194 | const SkPMColor4f&, |
| 195 | AAMode aaMode, |
| 196 | DashCap cap, |
| 197 | const SkMatrix& localMatrix, |
| 198 | bool usesLocalCoords); |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 199 | |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 200 | class DashOp final : public GrMeshDrawOp { |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 201 | public: |
Brian Salomon | 25a8809 | 2016-12-01 09:36:50 -0500 | [diff] [blame] | 202 | DEFINE_OP_CLASS_ID |
Robert Phillips | b493eeb | 2017-09-13 13:10:52 -0400 | [diff] [blame] | 203 | |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 204 | struct LineData { |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 205 | SkMatrix fViewMatrix; |
| 206 | SkMatrix fSrcRotInv; |
| 207 | SkPoint fPtsRot[2]; |
| 208 | SkScalar fSrcStrokeWidth; |
| 209 | SkScalar fPhase; |
| 210 | SkScalar fIntervals[2]; |
| 211 | SkScalar fParallelScale; |
| 212 | SkScalar fPerpendicularScale; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 213 | }; |
| 214 | |
Robert Phillips | b97da53 | 2019-02-12 15:24:12 -0500 | [diff] [blame] | 215 | static std::unique_ptr<GrDrawOp> Make(GrRecordingContext* context, |
Robert Phillips | 7c525e6 | 2018-06-12 10:11:12 -0400 | [diff] [blame] | 216 | GrPaint&& paint, |
| 217 | const LineData& geometry, |
| 218 | SkPaint::Cap cap, |
| 219 | AAMode aaMode, bool fullDash, |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 220 | const GrUserStencilSettings* stencilSettings) { |
Robert Phillips | 9da87e0 | 2019-02-04 13:26:26 -0500 | [diff] [blame] | 221 | GrOpMemoryPool* pool = context->priv().opMemoryPool(); |
Robert Phillips | c994a93 | 2018-06-19 13:09:54 -0400 | [diff] [blame] | 222 | |
| 223 | return pool->allocate<DashOp>(std::move(paint), geometry, cap, |
| 224 | aaMode, fullDash, stencilSettings); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 225 | } |
| 226 | |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 227 | const char* name() const override { return "DashOp"; } |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 228 | |
Chris Dalton | 1706cbf | 2019-05-21 19:35:29 -0600 | [diff] [blame] | 229 | void visitProxies(const VisitProxyFunc& func) const override { |
Robert Phillips | 345af25 | 2020-03-04 10:32:28 -0500 | [diff] [blame] | 230 | if (fProgramInfo) { |
Chris Dalton | be45742 | 2020-03-16 18:05:03 -0600 | [diff] [blame] | 231 | fProgramInfo->visitFPProxies(func); |
Robert Phillips | 345af25 | 2020-03-04 10:32:28 -0500 | [diff] [blame] | 232 | } else { |
| 233 | fProcessorSet.visitProxies(func); |
| 234 | } |
Robert Phillips | b493eeb | 2017-09-13 13:10:52 -0400 | [diff] [blame] | 235 | } |
| 236 | |
Brian Osman | 9a390ac | 2018-11-12 09:47:48 -0500 | [diff] [blame] | 237 | #ifdef SK_DEBUG |
Brian Salomon | 7c3e718 | 2016-12-01 09:35:30 -0500 | [diff] [blame] | 238 | SkString dumpInfo() const override { |
| 239 | SkString string; |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 240 | for (const auto& geo : fLines) { |
Brian Salomon | 7c3e718 | 2016-12-01 09:35:30 -0500 | [diff] [blame] | 241 | string.appendf("Pt0: [%.2f, %.2f], Pt1: [%.2f, %.2f], Width: %.2f, Ival0: %.2f, " |
| 242 | "Ival1 : %.2f, Phase: %.2f\n", |
| 243 | geo.fPtsRot[0].fX, geo.fPtsRot[0].fY, |
| 244 | geo.fPtsRot[1].fX, geo.fPtsRot[1].fY, |
| 245 | geo.fSrcStrokeWidth, |
| 246 | geo.fIntervals[0], |
| 247 | geo.fIntervals[1], |
| 248 | geo.fPhase); |
| 249 | } |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 250 | string += fProcessorSet.dumpProcessors(); |
| 251 | string += INHERITED::dumpInfo(); |
Brian Salomon | 7c3e718 | 2016-12-01 09:35:30 -0500 | [diff] [blame] | 252 | return string; |
| 253 | } |
Brian Osman | 9a390ac | 2018-11-12 09:47:48 -0500 | [diff] [blame] | 254 | #endif |
Brian Salomon | 7c3e718 | 2016-12-01 09:35:30 -0500 | [diff] [blame] | 255 | |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 256 | FixedFunctionFlags fixedFunctionFlags() const override { |
| 257 | FixedFunctionFlags flags = FixedFunctionFlags::kNone; |
| 258 | if (AAMode::kCoverageWithMSAA == fAAMode) { |
| 259 | flags |= FixedFunctionFlags::kUsesHWAA; |
| 260 | } |
Brian Salomon | 89717fc | 2017-07-13 11:25:18 -0400 | [diff] [blame] | 261 | if (fStencilSettings != &GrUserStencilSettings::kUnused) { |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 262 | flags |= FixedFunctionFlags::kUsesStencil; |
| 263 | } |
| 264 | return flags; |
| 265 | } |
| 266 | |
Chris Dalton | b8fff0d | 2019-03-05 10:11:58 -0700 | [diff] [blame] | 267 | GrProcessorSet::Analysis finalize( |
Chris Dalton | 6ce447a | 2019-06-23 18:07:38 -0600 | [diff] [blame] | 268 | const GrCaps& caps, const GrAppliedClip* clip, bool hasMixedSampledCoverage, |
Brian Osman | 5ced0bf | 2019-03-15 10:15:29 -0400 | [diff] [blame] | 269 | GrClampType clampType) override { |
Greg Daniel | f6d60d3 | 2020-01-08 13:39:16 -0500 | [diff] [blame] | 270 | GrProcessorAnalysisCoverage coverage = GrProcessorAnalysisCoverage::kSingleChannel; |
Chris Dalton | b8fff0d | 2019-03-05 10:11:58 -0700 | [diff] [blame] | 271 | auto analysis = fProcessorSet.finalize( |
Chris Dalton | 6ce447a | 2019-06-23 18:07:38 -0600 | [diff] [blame] | 272 | fColor, coverage, clip, fStencilSettings, hasMixedSampledCoverage, caps, clampType, |
| 273 | &fColor); |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 274 | fUsesLocalCoords = analysis.usesLocalCoords(); |
Chris Dalton | 4b62aed | 2019-01-15 11:53:00 -0700 | [diff] [blame] | 275 | return analysis; |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 276 | } |
| 277 | |
bsalomon | e46f9fe | 2015-08-18 06:05:14 -0700 | [diff] [blame] | 278 | private: |
Robert Phillips | 7c525e6 | 2018-06-12 10:11:12 -0400 | [diff] [blame] | 279 | friend class GrOpMemoryPool; // for ctor |
| 280 | |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 281 | DashOp(GrPaint&& paint, const LineData& geometry, SkPaint::Cap cap, AAMode aaMode, |
| 282 | bool fullDash, const GrUserStencilSettings* stencilSettings) |
| 283 | : INHERITED(ClassID()) |
Brian Osman | cf86085 | 2018-10-31 14:04:39 -0400 | [diff] [blame] | 284 | , fColor(paint.getColor4f()) |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 285 | , fFullDash(fullDash) |
Brian Salomon | 89717fc | 2017-07-13 11:25:18 -0400 | [diff] [blame] | 286 | , fCap(cap) |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 287 | , fAAMode(aaMode) |
| 288 | , fProcessorSet(std::move(paint)) |
| 289 | , fStencilSettings(stencilSettings) { |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 290 | fLines.push_back(geometry); |
bsalomon | e46f9fe | 2015-08-18 06:05:14 -0700 | [diff] [blame] | 291 | |
| 292 | // compute bounds |
| 293 | SkScalar halfStrokeWidth = 0.5f * geometry.fSrcStrokeWidth; |
| 294 | SkScalar xBloat = SkPaint::kButt_Cap == cap ? 0 : halfStrokeWidth; |
bsalomon | 88cf17d | 2016-07-08 06:40:56 -0700 | [diff] [blame] | 295 | SkRect bounds; |
| 296 | bounds.set(geometry.fPtsRot[0], geometry.fPtsRot[1]); |
| 297 | bounds.outset(xBloat, halfStrokeWidth); |
bsalomon | e46f9fe | 2015-08-18 06:05:14 -0700 | [diff] [blame] | 298 | |
| 299 | // Note, we actually create the combined matrix here, and save the work |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 300 | SkMatrix& combinedMatrix = fLines[0].fSrcRotInv; |
bsalomon | e46f9fe | 2015-08-18 06:05:14 -0700 | [diff] [blame] | 301 | combinedMatrix.postConcat(geometry.fViewMatrix); |
bsalomon | 88cf17d | 2016-07-08 06:40:56 -0700 | [diff] [blame] | 302 | |
Greg Daniel | 5faf474 | 2019-10-01 15:14:44 -0400 | [diff] [blame] | 303 | IsHairline zeroArea = geometry.fSrcStrokeWidth ? IsHairline::kNo |
| 304 | : IsHairline::kYes; |
bsalomon | 88cf17d | 2016-07-08 06:40:56 -0700 | [diff] [blame] | 305 | HasAABloat aaBloat = (aaMode == AAMode::kNone) ? HasAABloat ::kNo : HasAABloat::kYes; |
| 306 | this->setTransformedBounds(bounds, combinedMatrix, aaBloat, zeroArea); |
bsalomon | e46f9fe | 2015-08-18 06:05:14 -0700 | [diff] [blame] | 307 | } |
| 308 | |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 309 | struct DashDraw { |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 310 | DashDraw(const LineData& geo) { |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 311 | memcpy(fPtsRot, geo.fPtsRot, sizeof(geo.fPtsRot)); |
| 312 | memcpy(fIntervals, geo.fIntervals, sizeof(geo.fIntervals)); |
| 313 | fPhase = geo.fPhase; |
| 314 | } |
| 315 | SkPoint fPtsRot[2]; |
| 316 | SkScalar fIntervals[2]; |
| 317 | SkScalar fPhase; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 318 | SkScalar fStartOffset; |
| 319 | SkScalar fStrokeWidth; |
| 320 | SkScalar fLineLength; |
| 321 | SkScalar fHalfDevStroke; |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 322 | SkScalar fDevBloatX; |
| 323 | SkScalar fDevBloatY; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 324 | bool fLineDone; |
| 325 | bool fHasStartRect; |
| 326 | bool fHasEndRect; |
| 327 | }; |
| 328 | |
Robert Phillips | 2669a7b | 2020-03-12 12:07:19 -0400 | [diff] [blame] | 329 | GrProgramInfo* programInfo() override { return fProgramInfo; } |
| 330 | |
Robert Phillips | 4133dc4 | 2020-03-11 15:55:55 -0400 | [diff] [blame] | 331 | void onCreateProgramInfo(const GrCaps* caps, |
| 332 | SkArenaAlloc* arena, |
Brian Salomon | 8afde5f | 2020-04-01 16:22:00 -0400 | [diff] [blame^] | 333 | const GrSurfaceProxyView* writeView, |
Robert Phillips | 4133dc4 | 2020-03-11 15:55:55 -0400 | [diff] [blame] | 334 | GrAppliedClip&& appliedClip, |
| 335 | const GrXferProcessor::DstProxyView& dstProxyView) override { |
Robert Phillips | 345af25 | 2020-03-04 10:32:28 -0500 | [diff] [blame] | 336 | |
| 337 | DashCap capType = (this->cap() == SkPaint::kRound_Cap) ? kRound_DashCap : kNonRound_DashCap; |
joshualitt | df0c557 | 2015-08-03 11:35:28 -0700 | [diff] [blame] | 338 | |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 339 | GrGeometryProcessor* gp; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 340 | if (this->fullDash()) { |
Robert Phillips | 345af25 | 2020-03-04 10:32:28 -0500 | [diff] [blame] | 341 | gp = make_dash_gp(arena, this->color(), this->aaMode(), capType, |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 342 | this->viewMatrix(), fUsesLocalCoords); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 343 | } else { |
| 344 | // Set up the vertex data for the line and start/end dashes |
joshualitt | df0c557 | 2015-08-03 11:35:28 -0700 | [diff] [blame] | 345 | using namespace GrDefaultGeoProcFactory; |
| 346 | Color color(this->color()); |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 347 | LocalCoords::Type localCoordsType = |
| 348 | fUsesLocalCoords ? LocalCoords::kUsePosition_Type : LocalCoords::kUnused_Type; |
Robert Phillips | 345af25 | 2020-03-04 10:32:28 -0500 | [diff] [blame] | 349 | gp = MakeForDeviceSpace(arena, |
Ruiqi Mao | b609e6d | 2018-07-17 10:19:38 -0400 | [diff] [blame] | 350 | color, |
| 351 | Coverage::kSolid_Type, |
| 352 | localCoordsType, |
Brian Salomon | 8c852be | 2017-01-04 10:44:42 -0500 | [diff] [blame] | 353 | this->viewMatrix()); |
joshualitt | df0c557 | 2015-08-03 11:35:28 -0700 | [diff] [blame] | 354 | } |
| 355 | |
| 356 | if (!gp) { |
| 357 | SkDebugf("Could not create GrGeometryProcessor\n"); |
Robert Phillips | 4133dc4 | 2020-03-11 15:55:55 -0400 | [diff] [blame] | 358 | return; |
Robert Phillips | 345af25 | 2020-03-04 10:32:28 -0500 | [diff] [blame] | 359 | } |
| 360 | |
| 361 | auto pipelineFlags = GrPipeline::InputFlags::kNone; |
| 362 | if (AAMode::kCoverageWithMSAA == fAAMode) { |
| 363 | pipelineFlags |= GrPipeline::InputFlags::kHWAntialias; |
| 364 | } |
| 365 | |
Robert Phillips | 4133dc4 | 2020-03-11 15:55:55 -0400 | [diff] [blame] | 366 | fProgramInfo = GrSimpleMeshDrawOpHelper::CreateProgramInfo(caps, |
| 367 | arena, |
Brian Salomon | 8afde5f | 2020-04-01 16:22:00 -0400 | [diff] [blame^] | 368 | writeView, |
Robert Phillips | 4133dc4 | 2020-03-11 15:55:55 -0400 | [diff] [blame] | 369 | std::move(appliedClip), |
| 370 | dstProxyView, |
| 371 | gp, |
| 372 | std::move(fProcessorSet), |
| 373 | GrPrimitiveType::kTriangles, |
| 374 | pipelineFlags, |
| 375 | fStencilSettings); |
Robert Phillips | 345af25 | 2020-03-04 10:32:28 -0500 | [diff] [blame] | 376 | } |
| 377 | |
Robert Phillips | 345af25 | 2020-03-04 10:32:28 -0500 | [diff] [blame] | 378 | void onPrepareDraws(Target* target) override { |
| 379 | int instanceCount = fLines.count(); |
| 380 | SkPaint::Cap cap = this->cap(); |
| 381 | DashCap capType = (SkPaint::kRound_Cap == cap) ? kRound_DashCap : kNonRound_DashCap; |
| 382 | |
| 383 | if (!fProgramInfo) { |
Robert Phillips | 4133dc4 | 2020-03-11 15:55:55 -0400 | [diff] [blame] | 384 | this->createProgramInfo(target); |
Robert Phillips | 345af25 | 2020-03-04 10:32:28 -0500 | [diff] [blame] | 385 | if (!fProgramInfo) { |
| 386 | return; |
| 387 | } |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 388 | } |
| 389 | |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 390 | // useAA here means Edge AA or MSAA |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 391 | bool useAA = this->aaMode() != AAMode::kNone; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 392 | bool fullDash = this->fullDash(); |
| 393 | |
| 394 | // We do two passes over all of the dashes. First we setup the start, end, and bounds, |
| 395 | // rectangles. We preserve all of this work in the rects / draws arrays below. Then we |
| 396 | // iterate again over these decomposed dashes to generate vertices |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 397 | static const int kNumStackDashes = 128; |
| 398 | SkSTArray<kNumStackDashes, SkRect, true> rects; |
| 399 | SkSTArray<kNumStackDashes, DashDraw, true> draws; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 400 | |
| 401 | int totalRectCount = 0; |
joshualitt | d0f5457 | 2015-03-02 12:00:52 -0800 | [diff] [blame] | 402 | int rectOffset = 0; |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 403 | rects.push_back_n(3 * instanceCount); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 404 | for (int i = 0; i < instanceCount; i++) { |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 405 | const LineData& args = fLines[i]; |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 406 | |
| 407 | DashDraw& draw = draws.push_back(args); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 408 | |
Greg Daniel | 95581bb | 2017-06-30 10:36:38 -0400 | [diff] [blame] | 409 | bool hasCap = SkPaint::kButt_Cap != cap; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 410 | |
| 411 | // We always want to at least stroke out half a pixel on each side in device space |
| 412 | // so 0.5f / perpScale gives us this min in src space |
| 413 | SkScalar halfSrcStroke = |
Brian Osman | 116b33e | 2020-02-05 13:34:09 -0500 | [diff] [blame] | 414 | std::max(args.fSrcStrokeWidth * 0.5f, 0.5f / args.fPerpendicularScale); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 415 | |
| 416 | SkScalar strokeAdj; |
| 417 | if (!hasCap) { |
| 418 | strokeAdj = 0.f; |
| 419 | } else { |
| 420 | strokeAdj = halfSrcStroke; |
| 421 | } |
| 422 | |
| 423 | SkScalar startAdj = 0; |
| 424 | |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 425 | bool lineDone = false; |
| 426 | |
| 427 | // Too simplify the algorithm, we always push back rects for start and end rect. |
| 428 | // Otherwise we'd have to track start / end rects for each individual geometry |
joshualitt | d0f5457 | 2015-03-02 12:00:52 -0800 | [diff] [blame] | 429 | SkRect& bounds = rects[rectOffset++]; |
| 430 | SkRect& startRect = rects[rectOffset++]; |
| 431 | SkRect& endRect = rects[rectOffset++]; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 432 | |
| 433 | bool hasStartRect = false; |
| 434 | // If we are using AA, check to see if we are drawing a partial dash at the start. If so |
| 435 | // draw it separately here and adjust our start point accordingly |
| 436 | if (useAA) { |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 437 | if (draw.fPhase > 0 && draw.fPhase < draw.fIntervals[0]) { |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 438 | SkPoint startPts[2]; |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 439 | startPts[0] = draw.fPtsRot[0]; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 440 | startPts[1].fY = startPts[0].fY; |
Brian Osman | 116b33e | 2020-02-05 13:34:09 -0500 | [diff] [blame] | 441 | startPts[1].fX = std::min(startPts[0].fX + draw.fIntervals[0] - draw.fPhase, |
| 442 | draw.fPtsRot[1].fX); |
Mike Reed | 92b3335 | 2019-08-24 19:39:13 -0400 | [diff] [blame] | 443 | startRect.setBounds(startPts, 2); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 444 | startRect.outset(strokeAdj, halfSrcStroke); |
| 445 | |
| 446 | hasStartRect = true; |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 447 | startAdj = draw.fIntervals[0] + draw.fIntervals[1] - draw.fPhase; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 448 | } |
| 449 | } |
| 450 | |
| 451 | // adjustments for start and end of bounding rect so we only draw dash intervals |
| 452 | // contained in the original line segment. |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 453 | startAdj += calc_start_adjustment(draw.fIntervals, draw.fPhase); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 454 | if (startAdj != 0) { |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 455 | draw.fPtsRot[0].fX += startAdj; |
| 456 | draw.fPhase = 0; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 457 | } |
| 458 | SkScalar endingInterval = 0; |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 459 | SkScalar endAdj = calc_end_adjustment(draw.fIntervals, draw.fPtsRot, draw.fPhase, |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 460 | &endingInterval); |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 461 | draw.fPtsRot[1].fX -= endAdj; |
| 462 | if (draw.fPtsRot[0].fX >= draw.fPtsRot[1].fX) { |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 463 | lineDone = true; |
| 464 | } |
| 465 | |
| 466 | bool hasEndRect = false; |
| 467 | // If we are using AA, check to see if we are drawing a partial dash at then end. If so |
| 468 | // draw it separately here and adjust our end point accordingly |
| 469 | if (useAA && !lineDone) { |
| 470 | // If we adjusted the end then we will not be drawing a partial dash at the end. |
| 471 | // If we didn't adjust the end point then we just need to make sure the ending |
| 472 | // dash isn't a full dash |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 473 | if (0 == endAdj && endingInterval != draw.fIntervals[0]) { |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 474 | SkPoint endPts[2]; |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 475 | endPts[1] = draw.fPtsRot[1]; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 476 | endPts[0].fY = endPts[1].fY; |
| 477 | endPts[0].fX = endPts[1].fX - endingInterval; |
| 478 | |
Mike Reed | 92b3335 | 2019-08-24 19:39:13 -0400 | [diff] [blame] | 479 | endRect.setBounds(endPts, 2); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 480 | endRect.outset(strokeAdj, halfSrcStroke); |
| 481 | |
| 482 | hasEndRect = true; |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 483 | endAdj = endingInterval + draw.fIntervals[1]; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 484 | |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 485 | draw.fPtsRot[1].fX -= endAdj; |
| 486 | if (draw.fPtsRot[0].fX >= draw.fPtsRot[1].fX) { |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 487 | lineDone = true; |
| 488 | } |
| 489 | } |
| 490 | } |
| 491 | |
Greg Daniel | c96f9b5 | 2017-12-07 15:00:06 -0500 | [diff] [blame] | 492 | if (draw.fPtsRot[0].fX == draw.fPtsRot[1].fX && |
| 493 | (0 != endAdj || 0 == startAdj) && |
| 494 | hasCap) { |
| 495 | // At this point the fPtsRot[0]/[1] represent the start and end of the inner rect of |
| 496 | // dashes that we want to draw. The only way they can be equal is if the on interval |
| 497 | // is zero (or an edge case if the end of line ends at a full off interval, but this |
| 498 | // is handled as well). Thus if the on interval is zero then we need to draw a cap |
| 499 | // at this position if the stroke has caps. The spec says we only draw this point if |
| 500 | // point lies between [start of line, end of line). Thus we check if we are at the |
| 501 | // end (but not the start), and if so we don't draw the cap. |
| 502 | lineDone = false; |
| 503 | } |
| 504 | |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 505 | if (startAdj != 0) { |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 506 | draw.fPhase = 0; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 507 | } |
| 508 | |
| 509 | // Change the dashing info from src space into device space |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 510 | SkScalar* devIntervals = draw.fIntervals; |
| 511 | devIntervals[0] = draw.fIntervals[0] * args.fParallelScale; |
| 512 | devIntervals[1] = draw.fIntervals[1] * args.fParallelScale; |
| 513 | SkScalar devPhase = draw.fPhase * args.fParallelScale; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 514 | SkScalar strokeWidth = args.fSrcStrokeWidth * args.fPerpendicularScale; |
| 515 | |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 516 | if ((strokeWidth < 1.f && useAA) || 0.f == strokeWidth) { |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 517 | strokeWidth = 1.f; |
| 518 | } |
| 519 | |
| 520 | SkScalar halfDevStroke = strokeWidth * 0.5f; |
| 521 | |
Greg Daniel | 95581bb | 2017-06-30 10:36:38 -0400 | [diff] [blame] | 522 | if (SkPaint::kSquare_Cap == cap) { |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 523 | // add cap to on interval and remove from off interval |
| 524 | devIntervals[0] += strokeWidth; |
| 525 | devIntervals[1] -= strokeWidth; |
| 526 | } |
| 527 | SkScalar startOffset = devIntervals[1] * 0.5f + devPhase; |
| 528 | |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 529 | // For EdgeAA, we bloat in X & Y for both square and round caps. |
| 530 | // 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] | 531 | SkScalar devBloatX = this->aaMode() == AAMode::kCoverage ? 0.5f : 0.0f; |
| 532 | SkScalar devBloatY; |
| 533 | if (SkPaint::kRound_Cap == cap && this->aaMode() == AAMode::kCoverageWithMSAA) { |
| 534 | devBloatY = 0.5f; |
| 535 | } else { |
| 536 | devBloatY = devBloatX; |
| 537 | } |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 538 | |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 539 | SkScalar bloatX = devBloatX / args.fParallelScale; |
| 540 | SkScalar bloatY = devBloatY / args.fPerpendicularScale; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 541 | |
| 542 | if (devIntervals[1] <= 0.f && useAA) { |
| 543 | // Case when we end up drawing a solid AA rect |
| 544 | // Reset the start rect to draw this single solid rect |
| 545 | // but it requires to upload a new intervals uniform so we can mimic |
| 546 | // one giant dash |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 547 | draw.fPtsRot[0].fX -= hasStartRect ? startAdj : 0; |
| 548 | draw.fPtsRot[1].fX += hasEndRect ? endAdj : 0; |
Mike Reed | 92b3335 | 2019-08-24 19:39:13 -0400 | [diff] [blame] | 549 | startRect.setBounds(draw.fPtsRot, 2); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 550 | startRect.outset(strokeAdj, halfSrcStroke); |
| 551 | hasStartRect = true; |
| 552 | hasEndRect = false; |
| 553 | lineDone = true; |
| 554 | |
| 555 | SkPoint devicePts[2]; |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 556 | args.fViewMatrix.mapPoints(devicePts, draw.fPtsRot, 2); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 557 | SkScalar lineLength = SkPoint::Distance(devicePts[0], devicePts[1]); |
| 558 | if (hasCap) { |
| 559 | lineLength += 2.f * halfDevStroke; |
| 560 | } |
| 561 | devIntervals[0] = lineLength; |
| 562 | } |
| 563 | |
| 564 | totalRectCount += !lineDone ? 1 : 0; |
| 565 | totalRectCount += hasStartRect ? 1 : 0; |
| 566 | totalRectCount += hasEndRect ? 1 : 0; |
| 567 | |
| 568 | if (SkPaint::kRound_Cap == cap && 0 != args.fSrcStrokeWidth) { |
| 569 | // need to adjust this for round caps to correctly set the dashPos attrib on |
| 570 | // vertices |
| 571 | startOffset -= halfDevStroke; |
| 572 | } |
| 573 | |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 574 | if (!lineDone) { |
| 575 | SkPoint devicePts[2]; |
joshualitt | 144c3c8 | 2015-11-30 12:30:13 -0800 | [diff] [blame] | 576 | args.fViewMatrix.mapPoints(devicePts, draw.fPtsRot, 2); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 577 | draw.fLineLength = SkPoint::Distance(devicePts[0], devicePts[1]); |
| 578 | if (hasCap) { |
| 579 | draw.fLineLength += 2.f * halfDevStroke; |
| 580 | } |
| 581 | |
Mike Reed | 92b3335 | 2019-08-24 19:39:13 -0400 | [diff] [blame] | 582 | bounds.setLTRB(draw.fPtsRot[0].fX, draw.fPtsRot[0].fY, |
| 583 | draw.fPtsRot[1].fX, draw.fPtsRot[1].fY); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 584 | bounds.outset(bloatX + strokeAdj, bloatY + halfSrcStroke); |
| 585 | } |
| 586 | |
| 587 | if (hasStartRect) { |
| 588 | SkASSERT(useAA); // so that we know bloatX and bloatY have been set |
| 589 | startRect.outset(bloatX, bloatY); |
| 590 | } |
| 591 | |
| 592 | if (hasEndRect) { |
| 593 | SkASSERT(useAA); // so that we know bloatX and bloatY have been set |
| 594 | endRect.outset(bloatX, bloatY); |
| 595 | } |
| 596 | |
| 597 | draw.fStartOffset = startOffset; |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 598 | draw.fDevBloatX = devBloatX; |
| 599 | draw.fDevBloatY = devBloatY; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 600 | draw.fHalfDevStroke = halfDevStroke; |
| 601 | draw.fStrokeWidth = strokeWidth; |
| 602 | draw.fHasStartRect = hasStartRect; |
| 603 | draw.fLineDone = lineDone; |
| 604 | draw.fHasEndRect = hasEndRect; |
| 605 | } |
| 606 | |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 607 | if (!totalRectCount) { |
| 608 | return; |
| 609 | } |
bsalomon | 8415abe | 2015-05-04 11:41:41 -0700 | [diff] [blame] | 610 | |
Robert Phillips | 345af25 | 2020-03-04 10:32:28 -0500 | [diff] [blame] | 611 | QuadHelper helper(target, fProgramInfo->primProc().vertexStride(), totalRectCount); |
Brian Osman | b2920f3 | 2018-11-16 17:12:40 -0500 | [diff] [blame] | 612 | GrVertexWriter vertices{ helper.vertices() }; |
| 613 | if (!vertices.fPtr) { |
joshualitt | 4b31de8 | 2015-03-05 14:33:41 -0800 | [diff] [blame] | 614 | return; |
| 615 | } |
| 616 | |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 617 | int rectIndex = 0; |
| 618 | for (int i = 0; i < instanceCount; i++) { |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 619 | const LineData& geom = fLines[i]; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 620 | |
| 621 | if (!draws[i].fLineDone) { |
| 622 | if (fullDash) { |
Brian Salomon | 92be2f7 | 2018-06-19 14:33:47 -0400 | [diff] [blame] | 623 | setup_dashed_rect( |
Brian Osman | b2920f3 | 2018-11-16 17:12:40 -0500 | [diff] [blame] | 624 | rects[rectIndex], vertices, geom.fSrcRotInv, |
Brian Salomon | 92be2f7 | 2018-06-19 14:33:47 -0400 | [diff] [blame] | 625 | draws[i].fStartOffset, draws[i].fDevBloatX, draws[i].fDevBloatY, |
| 626 | draws[i].fLineLength, draws[i].fHalfDevStroke, draws[i].fIntervals[0], |
Brian Osman | b2920f3 | 2018-11-16 17:12:40 -0500 | [diff] [blame] | 627 | draws[i].fIntervals[1], draws[i].fStrokeWidth, capType); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 628 | } else { |
Michael Ludwig | e9c57d3 | 2019-02-13 13:39:39 -0500 | [diff] [blame] | 629 | vertices.writeQuad(GrQuad::MakeFromRect(rects[rectIndex], geom.fSrcRotInv)); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 630 | } |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 631 | } |
| 632 | rectIndex++; |
| 633 | |
| 634 | if (draws[i].fHasStartRect) { |
| 635 | if (fullDash) { |
Brian Salomon | 92be2f7 | 2018-06-19 14:33:47 -0400 | [diff] [blame] | 636 | setup_dashed_rect( |
Brian Osman | b2920f3 | 2018-11-16 17:12:40 -0500 | [diff] [blame] | 637 | rects[rectIndex], vertices, geom.fSrcRotInv, |
Brian Salomon | 92be2f7 | 2018-06-19 14:33:47 -0400 | [diff] [blame] | 638 | draws[i].fStartOffset, draws[i].fDevBloatX, draws[i].fDevBloatY, |
| 639 | draws[i].fIntervals[0], draws[i].fHalfDevStroke, draws[i].fIntervals[0], |
Brian Osman | b2920f3 | 2018-11-16 17:12:40 -0500 | [diff] [blame] | 640 | draws[i].fIntervals[1], draws[i].fStrokeWidth, capType); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 641 | } else { |
Michael Ludwig | e9c57d3 | 2019-02-13 13:39:39 -0500 | [diff] [blame] | 642 | vertices.writeQuad(GrQuad::MakeFromRect(rects[rectIndex], geom.fSrcRotInv)); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 643 | } |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 644 | } |
| 645 | rectIndex++; |
| 646 | |
| 647 | if (draws[i].fHasEndRect) { |
| 648 | if (fullDash) { |
Brian Salomon | 92be2f7 | 2018-06-19 14:33:47 -0400 | [diff] [blame] | 649 | setup_dashed_rect( |
Brian Osman | b2920f3 | 2018-11-16 17:12:40 -0500 | [diff] [blame] | 650 | rects[rectIndex], vertices, geom.fSrcRotInv, |
Brian Salomon | 92be2f7 | 2018-06-19 14:33:47 -0400 | [diff] [blame] | 651 | draws[i].fStartOffset, draws[i].fDevBloatX, draws[i].fDevBloatY, |
| 652 | draws[i].fIntervals[0], draws[i].fHalfDevStroke, draws[i].fIntervals[0], |
Brian Osman | b2920f3 | 2018-11-16 17:12:40 -0500 | [diff] [blame] | 653 | draws[i].fIntervals[1], draws[i].fStrokeWidth, capType); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 654 | } else { |
Michael Ludwig | e9c57d3 | 2019-02-13 13:39:39 -0500 | [diff] [blame] | 655 | vertices.writeQuad(GrQuad::MakeFromRect(rects[rectIndex], geom.fSrcRotInv)); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 656 | } |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 657 | } |
| 658 | rectIndex++; |
| 659 | } |
Robert Phillips | 345af25 | 2020-03-04 10:32:28 -0500 | [diff] [blame] | 660 | |
| 661 | fMesh = helper.mesh(); |
Chris Dalton | 07cdcfc9 | 2019-02-26 11:13:22 -0700 | [diff] [blame] | 662 | } |
| 663 | |
| 664 | void onExecute(GrOpFlushState* flushState, const SkRect& chainBounds) override { |
Robert Phillips | 345af25 | 2020-03-04 10:32:28 -0500 | [diff] [blame] | 665 | if (!fProgramInfo || !fMesh) { |
| 666 | return; |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 667 | } |
Robert Phillips | 3968fcb | 2019-12-05 16:40:31 -0500 | [diff] [blame] | 668 | |
Chris Dalton | 765ed36 | 2020-03-16 17:34:44 -0600 | [diff] [blame] | 669 | flushState->bindPipelineAndScissorClip(*fProgramInfo, chainBounds); |
| 670 | flushState->bindTextures(fProgramInfo->primProc(), nullptr, fProgramInfo->pipeline()); |
| 671 | flushState->drawMesh(*fMesh); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 672 | } |
| 673 | |
Michael Ludwig | 28b0c5d | 2019-12-19 14:51:00 -0500 | [diff] [blame] | 674 | CombineResult onCombineIfPossible(GrOp* t, GrRecordingContext::Arenas*, |
| 675 | const GrCaps& caps) override { |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 676 | DashOp* that = t->cast<DashOp>(); |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 677 | if (fProcessorSet != that->fProcessorSet) { |
Brian Salomon | 7eae3e0 | 2018-08-07 14:02:38 +0000 | [diff] [blame] | 678 | return CombineResult::kCannotCombine; |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 679 | } |
joshualitt | 8cab9a7 | 2015-07-16 09:13:50 -0700 | [diff] [blame] | 680 | |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 681 | if (this->aaMode() != that->aaMode()) { |
Brian Salomon | 7eae3e0 | 2018-08-07 14:02:38 +0000 | [diff] [blame] | 682 | return CombineResult::kCannotCombine; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 683 | } |
| 684 | |
| 685 | if (this->fullDash() != that->fullDash()) { |
Brian Salomon | 7eae3e0 | 2018-08-07 14:02:38 +0000 | [diff] [blame] | 686 | return CombineResult::kCannotCombine; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 687 | } |
| 688 | |
| 689 | if (this->cap() != that->cap()) { |
Brian Salomon | 7eae3e0 | 2018-08-07 14:02:38 +0000 | [diff] [blame] | 690 | return CombineResult::kCannotCombine; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 691 | } |
| 692 | |
| 693 | // TODO vertex color |
| 694 | if (this->color() != that->color()) { |
Brian Salomon | 7eae3e0 | 2018-08-07 14:02:38 +0000 | [diff] [blame] | 695 | return CombineResult::kCannotCombine; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 696 | } |
| 697 | |
Mike Reed | 2c38315 | 2019-12-18 16:47:47 -0500 | [diff] [blame] | 698 | if (fUsesLocalCoords && !SkMatrixPriv::CheapEqual(this->viewMatrix(), that->viewMatrix())) { |
Brian Salomon | 7eae3e0 | 2018-08-07 14:02:38 +0000 | [diff] [blame] | 699 | return CombineResult::kCannotCombine; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 700 | } |
| 701 | |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 702 | fLines.push_back_n(that->fLines.count(), that->fLines.begin()); |
Brian Salomon | 7eae3e0 | 2018-08-07 14:02:38 +0000 | [diff] [blame] | 703 | return CombineResult::kMerged; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 704 | } |
| 705 | |
Brian Osman | cf86085 | 2018-10-31 14:04:39 -0400 | [diff] [blame] | 706 | const SkPMColor4f& color() const { return fColor; } |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 707 | const SkMatrix& viewMatrix() const { return fLines[0].fViewMatrix; } |
| 708 | AAMode aaMode() const { return fAAMode; } |
| 709 | bool fullDash() const { return fFullDash; } |
| 710 | SkPaint::Cap cap() const { return fCap; } |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 711 | |
| 712 | static const int kVertsPerDash = 4; |
| 713 | static const int kIndicesPerDash = 6; |
| 714 | |
Brian Salomon | beae8a9 | 2017-07-12 16:58:54 +0000 | [diff] [blame] | 715 | SkSTArray<1, LineData, true> fLines; |
Brian Osman | cf86085 | 2018-10-31 14:04:39 -0400 | [diff] [blame] | 716 | SkPMColor4f fColor; |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 717 | bool fUsesLocalCoords : 1; |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 718 | bool fFullDash : 1; |
Brian Salomon | 89717fc | 2017-07-13 11:25:18 -0400 | [diff] [blame] | 719 | // We use 3 bits for this 3-value enum because MSVS makes the underlying types signed. |
| 720 | SkPaint::Cap fCap : 3; |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 721 | AAMode fAAMode; |
| 722 | GrProcessorSet fProcessorSet; |
| 723 | const GrUserStencilSettings* fStencilSettings; |
reed | 1b55a96 | 2015-09-17 20:16:13 -0700 | [diff] [blame] | 724 | |
Chris Dalton | eb694b7 | 2020-03-16 09:25:50 -0600 | [diff] [blame] | 725 | GrSimpleMesh* fMesh = nullptr; |
Robert Phillips | 345af25 | 2020-03-04 10:32:28 -0500 | [diff] [blame] | 726 | GrProgramInfo* fProgramInfo = nullptr; |
| 727 | |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 728 | typedef GrMeshDrawOp INHERITED; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 729 | }; |
| 730 | |
Robert Phillips | b97da53 | 2019-02-12 15:24:12 -0500 | [diff] [blame] | 731 | std::unique_ptr<GrDrawOp> GrDashOp::MakeDashLineOp(GrRecordingContext* context, |
Robert Phillips | 7c525e6 | 2018-06-12 10:11:12 -0400 | [diff] [blame] | 732 | GrPaint&& paint, |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 733 | const SkMatrix& viewMatrix, |
| 734 | const SkPoint pts[2], |
| 735 | AAMode aaMode, |
| 736 | const GrStyle& style, |
| 737 | const GrUserStencilSettings* stencilSettings) { |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 738 | SkASSERT(GrDashOp::CanDrawDashLine(pts, style, viewMatrix)); |
bsalomon | 6663acf | 2016-05-10 09:14:17 -0700 | [diff] [blame] | 739 | const SkScalar* intervals = style.dashIntervals(); |
| 740 | SkScalar phase = style.dashPhase(); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 741 | |
bsalomon | 6663acf | 2016-05-10 09:14:17 -0700 | [diff] [blame] | 742 | SkPaint::Cap cap = style.strokeRec().getCap(); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 743 | |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 744 | DashOp::LineData lineData; |
| 745 | lineData.fSrcStrokeWidth = style.strokeRec().getWidth(); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 746 | |
| 747 | // the phase should be normalized to be [0, sum of all intervals) |
kkinnunen | 261694c | 2015-05-05 08:00:10 -0700 | [diff] [blame] | 748 | SkASSERT(phase >= 0 && phase < intervals[0] + intervals[1]); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 749 | |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 750 | // 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] | 751 | if (pts[0].fY != pts[1].fY || pts[0].fX > pts[1].fX) { |
egdaniel | e61c411 | 2014-06-12 10:24:21 -0700 | [diff] [blame] | 752 | SkMatrix rotMatrix; |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 753 | align_to_x_axis(pts, &rotMatrix, lineData.fPtsRot); |
| 754 | if (!rotMatrix.invert(&lineData.fSrcRotInv)) { |
tfarina | 38406c8 | 2014-10-31 07:11:12 -0700 | [diff] [blame] | 755 | SkDebugf("Failed to create invertible rotation matrix!\n"); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 756 | return nullptr; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 757 | } |
| 758 | } else { |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 759 | lineData.fSrcRotInv.reset(); |
| 760 | memcpy(lineData.fPtsRot, pts, 2 * sizeof(SkPoint)); |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 761 | } |
| 762 | |
| 763 | // Scale corrections of intervals and stroke from view matrix |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 764 | calc_dash_scaling(&lineData.fParallelScale, &lineData.fPerpendicularScale, viewMatrix, |
| 765 | lineData.fPtsRot); |
Jim Van Verth | f86073a | 2018-10-02 13:05:38 -0400 | [diff] [blame] | 766 | if (SkScalarNearlyZero(lineData.fParallelScale) || |
| 767 | SkScalarNearlyZero(lineData.fPerpendicularScale)) { |
| 768 | return nullptr; |
| 769 | } |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 770 | |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 771 | SkScalar offInterval = intervals[1] * lineData.fParallelScale; |
| 772 | SkScalar strokeWidth = lineData.fSrcStrokeWidth * lineData.fPerpendicularScale; |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 773 | |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 774 | if (SkPaint::kSquare_Cap == cap && 0 != lineData.fSrcStrokeWidth) { |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 775 | // add cap to on interveal and remove from off interval |
| 776 | offInterval -= strokeWidth; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 777 | } |
| 778 | |
joshualitt | 4f569be | 2015-02-27 11:41:49 -0800 | [diff] [blame] | 779 | // 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] | 780 | bool fullDash = offInterval > 0.f || aaMode != AAMode::kNone; |
skia.committer@gmail.com | 3b9e8be | 2014-05-20 03:05:34 +0000 | [diff] [blame] | 781 | |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 782 | lineData.fViewMatrix = viewMatrix; |
| 783 | lineData.fPhase = phase; |
| 784 | lineData.fIntervals[0] = intervals[0]; |
| 785 | lineData.fIntervals[1] = intervals[1]; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 786 | |
Robert Phillips | 7c525e6 | 2018-06-12 10:11:12 -0400 | [diff] [blame] | 787 | return DashOp::Make(context, std::move(paint), lineData, cap, aaMode, fullDash, |
| 788 | stencilSettings); |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 789 | } |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 790 | |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 791 | ////////////////////////////////////////////////////////////////////////////// |
| 792 | |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 793 | class GLDashingCircleEffect; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 794 | |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 795 | /* |
| 796 | * This effect will draw a dotted line (defined as a dashed lined with round caps and no on |
| 797 | * interval). The radius of the dots is given by the strokeWidth and the spacing by the DashInfo. |
| 798 | * 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] | 799 | * 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] | 800 | * "dash position" of each vertex. In other words it is the vertex coords (in device space) if we |
| 801 | * transform the line to be horizontal, with the start of line at the origin then shifted to the |
| 802 | * right by half the off interval. The line then goes in the positive x direction. |
| 803 | */ |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 804 | class DashingCircleEffect : public GrGeometryProcessor { |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 805 | public: |
| 806 | typedef SkPathEffect::DashInfo DashInfo; |
| 807 | |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 808 | static GrGeometryProcessor* Make(SkArenaAlloc* arena, |
| 809 | const SkPMColor4f&, |
| 810 | AAMode aaMode, |
| 811 | const SkMatrix& localMatrix, |
| 812 | bool usesLocalCoords); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 813 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 814 | const char* name() const override { return "DashingCircleEffect"; } |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 815 | |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 816 | AAMode aaMode() const { return fAAMode; } |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 817 | |
Brian Osman | cf86085 | 2018-10-31 14:04:39 -0400 | [diff] [blame] | 818 | const SkPMColor4f& color() const { return fColor; } |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 819 | |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 820 | const SkMatrix& localMatrix() const { return fLocalMatrix; } |
| 821 | |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 822 | bool usesLocalCoords() const { return fUsesLocalCoords; } |
| 823 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 824 | void getGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder* b) const override; |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 825 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 826 | GrGLSLPrimitiveProcessor* createGLSLInstance(const GrShaderCaps&) const override; |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 827 | |
| 828 | private: |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 829 | friend class GLDashingCircleEffect; |
| 830 | friend class ::SkArenaAlloc; // for access to ctor |
| 831 | |
Brian Osman | cf86085 | 2018-10-31 14:04:39 -0400 | [diff] [blame] | 832 | DashingCircleEffect(const SkPMColor4f&, AAMode aaMode, const SkMatrix& localMatrix, |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 833 | bool usesLocalCoords); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 834 | |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 835 | SkPMColor4f fColor; |
| 836 | SkMatrix fLocalMatrix; |
| 837 | bool fUsesLocalCoords; |
| 838 | AAMode fAAMode; |
Brian Salomon | 92be2f7 | 2018-06-19 14:33:47 -0400 | [diff] [blame] | 839 | |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 840 | Attribute fInPosition; |
| 841 | Attribute fInDashParams; |
| 842 | Attribute fInCircleParams; |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 843 | |
Brian Salomon | 0c26a9d | 2017-07-06 10:09:38 -0400 | [diff] [blame] | 844 | GR_DECLARE_GEOMETRY_PROCESSOR_TEST |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 845 | |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 846 | typedef GrGeometryProcessor INHERITED; |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 847 | }; |
| 848 | |
| 849 | ////////////////////////////////////////////////////////////////////////////// |
| 850 | |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 851 | class GLDashingCircleEffect : public GrGLSLGeometryProcessor { |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 852 | public: |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 853 | GLDashingCircleEffect(); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 854 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 855 | void onEmitCode(EmitArgs&, GrGPArgs*) override; |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 856 | |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 857 | static inline void GenKey(const GrGeometryProcessor&, |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 858 | const GrShaderCaps&, |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 859 | GrProcessorKeyBuilder*); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 860 | |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 861 | void setData(const GrGLSLProgramDataManager&, const GrPrimitiveProcessor&, |
Brian Salomon | c241b58 | 2019-11-27 08:57:17 -0500 | [diff] [blame] | 862 | const CoordTransformRange& transformRange) override; |
| 863 | |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 864 | private: |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 865 | UniformHandle fParamUniform; |
| 866 | UniformHandle fColorUniform; |
Brian Osman | cf86085 | 2018-10-31 14:04:39 -0400 | [diff] [blame] | 867 | SkPMColor4f fColor; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 868 | SkScalar fPrevRadius; |
| 869 | SkScalar fPrevCenterX; |
| 870 | SkScalar fPrevIntervalLength; |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 871 | typedef GrGLSLGeometryProcessor INHERITED; |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 872 | }; |
| 873 | |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 874 | GLDashingCircleEffect::GLDashingCircleEffect() { |
Brian Osman | cf86085 | 2018-10-31 14:04:39 -0400 | [diff] [blame] | 875 | fColor = SK_PMColor4fILLEGAL; |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 876 | fPrevRadius = SK_ScalarMin; |
| 877 | fPrevCenterX = SK_ScalarMin; |
| 878 | fPrevIntervalLength = SK_ScalarMax; |
| 879 | } |
| 880 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 881 | void GLDashingCircleEffect::onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) { |
joshualitt | c369e7c | 2014-10-22 10:56:26 -0700 | [diff] [blame] | 882 | const DashingCircleEffect& dce = args.fGP.cast<DashingCircleEffect>(); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 883 | GrGLSLVertexBuilder* vertBuilder = args.fVertBuilder; |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 884 | GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler; |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 885 | GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 886 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 887 | // emit attributes |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 888 | varyingHandler->emitAttributes(dce); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 889 | |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 890 | // XY are dashPos, Z is dashInterval |
Chris Dalton | 2737288 | 2017-12-08 13:34:21 -0700 | [diff] [blame] | 891 | GrGLSLVarying dashParams(kHalf3_GrSLType); |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 892 | varyingHandler->addVarying("DashParam", &dashParams); |
Brian Osman | f04fb3c | 2018-11-12 15:34:00 -0500 | [diff] [blame] | 893 | vertBuilder->codeAppendf("%s = %s;", dashParams.vsOut(), dce.fInDashParams.name()); |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 894 | |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 895 | // 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] | 896 | GrGLSLVarying circleParams(kHalf2_GrSLType); |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 897 | varyingHandler->addVarying("CircleParams", &circleParams); |
Brian Osman | f04fb3c | 2018-11-12 15:34:00 -0500 | [diff] [blame] | 898 | vertBuilder->codeAppendf("%s = %s;", circleParams.vsOut(), dce.fInCircleParams.name()); |
joshualitt | 30ba436 | 2014-08-21 20:18:45 -0700 | [diff] [blame] | 899 | |
Chris Dalton | 6028361 | 2018-02-14 13:38:14 -0700 | [diff] [blame] | 900 | GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 901 | // Setup pass through color |
Brian Salomon | bfd5183 | 2017-01-04 13:22:08 -0500 | [diff] [blame] | 902 | this->setupUniformColor(fragBuilder, uniformHandler, args.fOutputColor, &fColorUniform); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 903 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 904 | // Setup position |
Brian Osman | f04fb3c | 2018-11-12 15:34:00 -0500 | [diff] [blame] | 905 | this->writeOutputPosition(vertBuilder, gpArgs, dce.fInPosition.name()); |
joshualitt | 4973d9d | 2014-11-08 09:24:25 -0800 | [diff] [blame] | 906 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 907 | // emit transforms |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 908 | this->emitTransforms(vertBuilder, |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 909 | varyingHandler, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 910 | uniformHandler, |
Brian Osman | f04fb3c | 2018-11-12 15:34:00 -0500 | [diff] [blame] | 911 | dce.fInPosition.asShaderVar(), |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 912 | dce.localMatrix(), |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 913 | args.fFPCoordTransformHandler); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 914 | |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 915 | // transforms all points so that we can compare them to our test circle |
Ethan Nicholas | e1f5502 | 2019-02-05 17:17:40 -0500 | [diff] [blame] | 916 | fragBuilder->codeAppendf("half xShifted = half(%s.x - floor(%s.x / %s.z) * %s.z);", |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 917 | dashParams.fsIn(), dashParams.fsIn(), dashParams.fsIn(), |
| 918 | dashParams.fsIn()); |
Ethan Nicholas | e1f5502 | 2019-02-05 17:17:40 -0500 | [diff] [blame] | 919 | fragBuilder->codeAppendf("half2 fragPosShifted = half2(xShifted, half(%s.y));", |
| 920 | dashParams.fsIn()); |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 921 | fragBuilder->codeAppendf("half2 center = half2(%s.y, 0.0);", circleParams.fsIn()); |
| 922 | fragBuilder->codeAppend("half dist = length(center - fragPosShifted);"); |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 923 | if (dce.aaMode() != AAMode::kNone) { |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 924 | fragBuilder->codeAppendf("half diff = dist - %s.x;", circleParams.fsIn()); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 925 | fragBuilder->codeAppend("diff = 1.0 - diff;"); |
Ethan Nicholas | 12fb9cf | 2018-08-03 16:16:57 -0400 | [diff] [blame] | 926 | fragBuilder->codeAppend("half alpha = saturate(diff);"); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 927 | } else { |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 928 | fragBuilder->codeAppendf("half alpha = 1.0;"); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 929 | 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] | 930 | } |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 931 | fragBuilder->codeAppendf("%s = half4(alpha);", args.fOutputCoverage); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 932 | } |
| 933 | |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 934 | void GLDashingCircleEffect::setData(const GrGLSLProgramDataManager& pdman, |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 935 | const GrPrimitiveProcessor& processor, |
Brian Salomon | c241b58 | 2019-11-27 08:57:17 -0500 | [diff] [blame] | 936 | const CoordTransformRange& transformRange) { |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 937 | const DashingCircleEffect& dce = processor.cast<DashingCircleEffect>(); |
| 938 | if (dce.color() != fColor) { |
Brian Osman | cf86085 | 2018-10-31 14:04:39 -0400 | [diff] [blame] | 939 | pdman.set4fv(fColorUniform, 1, dce.color().vec()); |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 940 | fColor = dce.color(); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 941 | } |
Brian Salomon | c241b58 | 2019-11-27 08:57:17 -0500 | [diff] [blame] | 942 | this->setTransformDataHelper(dce.localMatrix(), pdman, transformRange); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 943 | } |
| 944 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 945 | void GLDashingCircleEffect::GenKey(const GrGeometryProcessor& gp, |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 946 | const GrShaderCaps&, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 947 | GrProcessorKeyBuilder* b) { |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 948 | const DashingCircleEffect& dce = gp.cast<DashingCircleEffect>(); |
| 949 | uint32_t key = 0; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 950 | key |= dce.usesLocalCoords() && dce.localMatrix().hasPerspective() ? 0x1 : 0x0; |
Brian Salomon | bfd5183 | 2017-01-04 13:22:08 -0500 | [diff] [blame] | 951 | key |= static_cast<uint32_t>(dce.aaMode()) << 1; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 952 | b->add32(key); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 953 | } |
| 954 | |
| 955 | ////////////////////////////////////////////////////////////////////////////// |
| 956 | |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 957 | GrGeometryProcessor* DashingCircleEffect::Make(SkArenaAlloc* arena, |
| 958 | const SkPMColor4f& color, |
| 959 | AAMode aaMode, |
| 960 | const SkMatrix& localMatrix, |
| 961 | bool usesLocalCoords) { |
| 962 | return arena->make<DashingCircleEffect>(color, aaMode, localMatrix, usesLocalCoords); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 963 | } |
| 964 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 965 | void DashingCircleEffect::getGLSLProcessorKey(const GrShaderCaps& caps, |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 966 | GrProcessorKeyBuilder* b) const { |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 967 | GLDashingCircleEffect::GenKey(*this, caps, b); |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 968 | } |
| 969 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 970 | GrGLSLPrimitiveProcessor* DashingCircleEffect::createGLSLInstance(const GrShaderCaps&) const { |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 971 | return new GLDashingCircleEffect(); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 972 | } |
| 973 | |
Brian Osman | cf86085 | 2018-10-31 14:04:39 -0400 | [diff] [blame] | 974 | DashingCircleEffect::DashingCircleEffect(const SkPMColor4f& color, |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 975 | AAMode aaMode, |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 976 | const SkMatrix& localMatrix, |
| 977 | bool usesLocalCoords) |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 978 | : INHERITED(kDashingCircleEffect_ClassID) |
| 979 | , fColor(color) |
| 980 | , fLocalMatrix(localMatrix) |
| 981 | , fUsesLocalCoords(usesLocalCoords) |
| 982 | , fAAMode(aaMode) { |
Brian Osman | f04fb3c | 2018-11-12 15:34:00 -0500 | [diff] [blame] | 983 | fInPosition = {"inPosition", kFloat2_GrVertexAttribType, kFloat2_GrSLType}; |
| 984 | fInDashParams = {"inDashParams", kFloat3_GrVertexAttribType, kHalf3_GrSLType}; |
| 985 | fInCircleParams = {"inCircleParams", kFloat2_GrVertexAttribType, kHalf2_GrSLType}; |
| 986 | this->setVertexAttributes(&fInPosition, 3); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 987 | } |
| 988 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 989 | GR_DEFINE_GEOMETRY_PROCESSOR_TEST(DashingCircleEffect); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 990 | |
Hal Canary | 6f6961e | 2017-01-31 13:50:44 -0500 | [diff] [blame] | 991 | #if GR_TEST_UTILS |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 992 | GrGeometryProcessor* DashingCircleEffect::TestCreate(GrProcessorTestData* d) { |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 993 | AAMode aaMode = static_cast<AAMode>(d->fRandom->nextULessThan(GrDashOp::kAAModeCnt)); |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 994 | return DashingCircleEffect::Make(d->allocator(), |
| 995 | SkPMColor4f::FromBytes_RGBA(GrRandomColor(d->fRandom)), |
Brian Osman | 1be2b7c | 2018-10-29 16:07:15 -0400 | [diff] [blame] | 996 | aaMode, GrTest::TestMatrix(d->fRandom), |
| 997 | d->fRandom->nextBool()); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 998 | } |
Hal Canary | 6f6961e | 2017-01-31 13:50:44 -0500 | [diff] [blame] | 999 | #endif |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 1000 | |
| 1001 | ////////////////////////////////////////////////////////////////////////////// |
| 1002 | |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1003 | class GLDashingLineEffect; |
| 1004 | |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 1005 | /* |
| 1006 | * This effect will draw a dashed line. The width of the dash is given by the strokeWidth and the |
| 1007 | * 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] | 1008 | * 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] | 1009 | * bounding rect. This attribute is the "dash position" of each vertex. In other words it is the |
| 1010 | * vertex coords (in device space) if we transform the line to be horizontal, with the start of |
| 1011 | * line at the origin then shifted to the right by half the off interval. The line then goes in the |
| 1012 | * positive x direction. |
| 1013 | */ |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 1014 | class DashingLineEffect : public GrGeometryProcessor { |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1015 | public: |
| 1016 | typedef SkPathEffect::DashInfo DashInfo; |
| 1017 | |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 1018 | static GrGeometryProcessor* Make(SkArenaAlloc* arena, |
| 1019 | const SkPMColor4f&, |
| 1020 | AAMode aaMode, |
| 1021 | const SkMatrix& localMatrix, |
| 1022 | bool usesLocalCoords); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1023 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1024 | const char* name() const override { return "DashingEffect"; } |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1025 | |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 1026 | AAMode aaMode() const { return fAAMode; } |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1027 | |
Brian Osman | cf86085 | 2018-10-31 14:04:39 -0400 | [diff] [blame] | 1028 | const SkPMColor4f& color() const { return fColor; } |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 1029 | |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 1030 | const SkMatrix& localMatrix() const { return fLocalMatrix; } |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 1031 | |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 1032 | bool usesLocalCoords() const { return fUsesLocalCoords; } |
| 1033 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 1034 | void getGLSLProcessorKey(const GrShaderCaps& caps, GrProcessorKeyBuilder* b) const override; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1035 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 1036 | GrGLSLPrimitiveProcessor* createGLSLInstance(const GrShaderCaps&) const override; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1037 | |
| 1038 | private: |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 1039 | friend class GLDashingLineEffect; |
| 1040 | friend class ::SkArenaAlloc; // for access to ctor |
| 1041 | |
Brian Osman | cf86085 | 2018-10-31 14:04:39 -0400 | [diff] [blame] | 1042 | DashingLineEffect(const SkPMColor4f&, AAMode aaMode, const SkMatrix& localMatrix, |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 1043 | bool usesLocalCoords); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1044 | |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 1045 | SkPMColor4f fColor; |
| 1046 | SkMatrix fLocalMatrix; |
| 1047 | bool fUsesLocalCoords; |
| 1048 | AAMode fAAMode; |
Brian Salomon | 92be2f7 | 2018-06-19 14:33:47 -0400 | [diff] [blame] | 1049 | |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 1050 | Attribute fInPosition; |
| 1051 | Attribute fInDashParams; |
| 1052 | Attribute fInRect; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1053 | |
Brian Salomon | 0c26a9d | 2017-07-06 10:09:38 -0400 | [diff] [blame] | 1054 | GR_DECLARE_GEOMETRY_PROCESSOR_TEST |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1055 | |
joshualitt | 249af15 | 2014-09-15 11:41:13 -0700 | [diff] [blame] | 1056 | typedef GrGeometryProcessor INHERITED; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1057 | }; |
| 1058 | |
| 1059 | ////////////////////////////////////////////////////////////////////////////// |
| 1060 | |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 1061 | class GLDashingLineEffect : public GrGLSLGeometryProcessor { |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1062 | public: |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 1063 | GLDashingLineEffect(); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1064 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 1065 | void onEmitCode(EmitArgs&, GrGPArgs*) override; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1066 | |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 1067 | static inline void GenKey(const GrGeometryProcessor&, |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 1068 | const GrShaderCaps&, |
joshualitt | 87f48d9 | 2014-12-04 10:41:40 -0800 | [diff] [blame] | 1069 | GrProcessorKeyBuilder*); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1070 | |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 1071 | void setData(const GrGLSLProgramDataManager&, const GrPrimitiveProcessor&, |
Brian Salomon | c241b58 | 2019-11-27 08:57:17 -0500 | [diff] [blame] | 1072 | const CoordTransformRange&) override; |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 1073 | |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1074 | private: |
Brian Osman | cf86085 | 2018-10-31 14:04:39 -0400 | [diff] [blame] | 1075 | SkPMColor4f fColor; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 1076 | UniformHandle fColorUniform; |
egdaniel | e659a58 | 2015-11-13 09:55:43 -0800 | [diff] [blame] | 1077 | typedef GrGLSLGeometryProcessor INHERITED; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1078 | }; |
| 1079 | |
Brian Osman | cf86085 | 2018-10-31 14:04:39 -0400 | [diff] [blame] | 1080 | GLDashingLineEffect::GLDashingLineEffect() : fColor(SK_PMColor4fILLEGAL) {} |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1081 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 1082 | void GLDashingLineEffect::onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) { |
joshualitt | c369e7c | 2014-10-22 10:56:26 -0700 | [diff] [blame] | 1083 | const DashingLineEffect& de = args.fGP.cast<DashingLineEffect>(); |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 1084 | |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 1085 | GrGLSLVertexBuilder* vertBuilder = args.fVertBuilder; |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 1086 | GrGLSLVaryingHandler* varyingHandler = args.fVaryingHandler; |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 1087 | GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 1088 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 1089 | // emit attributes |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 1090 | varyingHandler->emitAttributes(de); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 1091 | |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 1092 | // XY refers to dashPos, Z is the dash interval length |
Chris Dalton | 2737288 | 2017-12-08 13:34:21 -0700 | [diff] [blame] | 1093 | GrGLSLVarying inDashParams(kFloat3_GrSLType); |
Chris Dalton | fdde34e | 2017-10-16 14:15:26 -0600 | [diff] [blame] | 1094 | varyingHandler->addVarying("DashParams", &inDashParams); |
Brian Osman | f04fb3c | 2018-11-12 15:34:00 -0500 | [diff] [blame] | 1095 | vertBuilder->codeAppendf("%s = %s;", inDashParams.vsOut(), de.fInDashParams.name()); |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 1096 | |
| 1097 | // The rect uniform's xyzw refer to (left + 0.5, top + 0.5, right - 0.5, bottom - 0.5), |
| 1098 | // respectively. |
Chris Dalton | 2737288 | 2017-12-08 13:34:21 -0700 | [diff] [blame] | 1099 | GrGLSLVarying inRectParams(kFloat4_GrSLType); |
Chris Dalton | fdde34e | 2017-10-16 14:15:26 -0600 | [diff] [blame] | 1100 | varyingHandler->addVarying("RectParams", &inRectParams); |
Brian Osman | f04fb3c | 2018-11-12 15:34:00 -0500 | [diff] [blame] | 1101 | vertBuilder->codeAppendf("%s = %s;", inRectParams.vsOut(), de.fInRect.name()); |
joshualitt | 2dd1ae0 | 2014-12-03 06:24:10 -0800 | [diff] [blame] | 1102 | |
Chris Dalton | 6028361 | 2018-02-14 13:38:14 -0700 | [diff] [blame] | 1103 | GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 1104 | // Setup pass through color |
Brian Salomon | bfd5183 | 2017-01-04 13:22:08 -0500 | [diff] [blame] | 1105 | this->setupUniformColor(fragBuilder, uniformHandler, args.fOutputColor, &fColorUniform); |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 1106 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 1107 | // Setup position |
Brian Osman | f04fb3c | 2018-11-12 15:34:00 -0500 | [diff] [blame] | 1108 | this->writeOutputPosition(vertBuilder, gpArgs, de.fInPosition.name()); |
joshualitt | 4973d9d | 2014-11-08 09:24:25 -0800 | [diff] [blame] | 1109 | |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 1110 | // emit transforms |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 1111 | this->emitTransforms(vertBuilder, |
egdaniel | 0eafe79 | 2015-11-20 14:01:22 -0800 | [diff] [blame] | 1112 | varyingHandler, |
egdaniel | 7ea439b | 2015-12-03 09:20:44 -0800 | [diff] [blame] | 1113 | uniformHandler, |
Brian Osman | f04fb3c | 2018-11-12 15:34:00 -0500 | [diff] [blame] | 1114 | de.fInPosition.asShaderVar(), |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 1115 | de.localMatrix(), |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 1116 | args.fFPCoordTransformHandler); |
joshualitt | abb52a1 | 2015-01-13 15:02:10 -0800 | [diff] [blame] | 1117 | |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1118 | // transforms all points so that we can compare them to our test rect |
Ethan Nicholas | e1f5502 | 2019-02-05 17:17:40 -0500 | [diff] [blame] | 1119 | fragBuilder->codeAppendf("half xShifted = half(%s.x - floor(%s.x / %s.z) * %s.z);", |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 1120 | inDashParams.fsIn(), inDashParams.fsIn(), inDashParams.fsIn(), |
| 1121 | inDashParams.fsIn()); |
Ethan Nicholas | e1f5502 | 2019-02-05 17:17:40 -0500 | [diff] [blame] | 1122 | fragBuilder->codeAppendf("half2 fragPosShifted = half2(xShifted, half(%s.y));", |
| 1123 | inDashParams.fsIn()); |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 1124 | if (de.aaMode() == AAMode::kCoverage) { |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1125 | // The amount of coverage removed in x and y by the edges is computed as a pair of negative |
| 1126 | // numbers, xSub and ySub. |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 1127 | fragBuilder->codeAppend("half xSub, ySub;"); |
Ethan Nicholas | e1f5502 | 2019-02-05 17:17:40 -0500 | [diff] [blame] | 1128 | fragBuilder->codeAppendf("xSub = half(min(fragPosShifted.x - %s.x, 0.0));", |
| 1129 | inRectParams.fsIn()); |
| 1130 | fragBuilder->codeAppendf("xSub += half(min(%s.z - fragPosShifted.x, 0.0));", |
| 1131 | inRectParams.fsIn()); |
| 1132 | fragBuilder->codeAppendf("ySub = half(min(fragPosShifted.y - %s.y, 0.0));", |
| 1133 | inRectParams.fsIn()); |
| 1134 | fragBuilder->codeAppendf("ySub += half(min(%s.w - fragPosShifted.y, 0.0));", |
| 1135 | inRectParams.fsIn()); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1136 | // Now compute coverage in x and y and multiply them to get the fraction of the pixel |
| 1137 | // covered. |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 1138 | fragBuilder->codeAppendf( |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 1139 | "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] | 1140 | } else if (de.aaMode() == AAMode::kCoverageWithMSAA) { |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 1141 | // For MSAA, we don't modulate the alpha by the Y distance, since MSAA coverage will handle |
| 1142 | // 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] | 1143 | fragBuilder->codeAppend("half xSub;"); |
Ethan Nicholas | e1f5502 | 2019-02-05 17:17:40 -0500 | [diff] [blame] | 1144 | fragBuilder->codeAppendf("xSub = half(min(fragPosShifted.x - %s.x, 0.0));", |
| 1145 | inRectParams.fsIn()); |
| 1146 | fragBuilder->codeAppendf("xSub += half(min(%s.z - fragPosShifted.x, 0.0));", |
| 1147 | inRectParams.fsIn()); |
senorblanco | f3c2c46 | 2015-04-20 14:44:26 -0700 | [diff] [blame] | 1148 | // 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] | 1149 | fragBuilder->codeAppendf("half alpha = (1.0 + max(xSub, -1.0));"); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1150 | } else { |
| 1151 | // 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] | 1152 | fragBuilder->codeAppendf("half alpha = 1.0;"); |
egdaniel | 4ca2e60 | 2015-11-18 08:01:26 -0800 | [diff] [blame] | 1153 | fragBuilder->codeAppendf("alpha *= (fragPosShifted.x - %s.x) > -0.5 ? 1.0 : 0.0;", |
| 1154 | inRectParams.fsIn()); |
| 1155 | fragBuilder->codeAppendf("alpha *= (%s.z - fragPosShifted.x) >= -0.5 ? 1.0 : 0.0;", |
| 1156 | inRectParams.fsIn()); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1157 | } |
Ethan Nicholas | f7b8820 | 2017-09-18 14:10:39 -0400 | [diff] [blame] | 1158 | fragBuilder->codeAppendf("%s = half4(alpha);", args.fOutputCoverage); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1159 | } |
| 1160 | |
egdaniel | 018fb62 | 2015-10-28 07:26:40 -0700 | [diff] [blame] | 1161 | void GLDashingLineEffect::setData(const GrGLSLProgramDataManager& pdman, |
bsalomon | a624bf3 | 2016-09-20 09:12:47 -0700 | [diff] [blame] | 1162 | const GrPrimitiveProcessor& processor, |
Brian Salomon | c241b58 | 2019-11-27 08:57:17 -0500 | [diff] [blame] | 1163 | const CoordTransformRange& transformRange) { |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 1164 | const DashingLineEffect& de = processor.cast<DashingLineEffect>(); |
| 1165 | if (de.color() != fColor) { |
Brian Osman | cf86085 | 2018-10-31 14:04:39 -0400 | [diff] [blame] | 1166 | pdman.set4fv(fColorUniform, 1, de.color().vec()); |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 1167 | fColor = de.color(); |
joshualitt | 9b98932 | 2014-12-15 14:16:27 -0800 | [diff] [blame] | 1168 | } |
Brian Salomon | c241b58 | 2019-11-27 08:57:17 -0500 | [diff] [blame] | 1169 | this->setTransformDataHelper(de.localMatrix(), pdman, transformRange); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1170 | } |
| 1171 | |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 1172 | void GLDashingLineEffect::GenKey(const GrGeometryProcessor& gp, |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 1173 | const GrShaderCaps&, |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1174 | GrProcessorKeyBuilder* b) { |
robertphillips | 46d36f0 | 2015-01-18 08:14:14 -0800 | [diff] [blame] | 1175 | const DashingLineEffect& de = gp.cast<DashingLineEffect>(); |
| 1176 | uint32_t key = 0; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 1177 | key |= de.usesLocalCoords() && de.localMatrix().hasPerspective() ? 0x1 : 0x0; |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 1178 | key |= static_cast<int>(de.aaMode()) << 8; |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 1179 | b->add32(key); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1180 | } |
| 1181 | |
| 1182 | ////////////////////////////////////////////////////////////////////////////// |
skia.committer@gmail.com | 3b9e8be | 2014-05-20 03:05:34 +0000 | [diff] [blame] | 1183 | |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 1184 | GrGeometryProcessor* DashingLineEffect::Make(SkArenaAlloc* arena, |
| 1185 | const SkPMColor4f& color, |
| 1186 | AAMode aaMode, |
| 1187 | const SkMatrix& localMatrix, |
| 1188 | bool usesLocalCoords) { |
| 1189 | return arena->make<DashingLineEffect>(color, aaMode, localMatrix, usesLocalCoords); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1190 | } |
| 1191 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 1192 | void DashingLineEffect::getGLSLProcessorKey(const GrShaderCaps& caps, |
egdaniel | 57d3b03 | 2015-11-13 11:57:27 -0800 | [diff] [blame] | 1193 | GrProcessorKeyBuilder* b) const { |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 1194 | GLDashingLineEffect::GenKey(*this, caps, b); |
joshualitt | eb2a676 | 2014-12-04 11:35:33 -0800 | [diff] [blame] | 1195 | } |
| 1196 | |
Brian Salomon | 94efbf5 | 2016-11-29 13:43:05 -0500 | [diff] [blame] | 1197 | GrGLSLPrimitiveProcessor* DashingLineEffect::createGLSLInstance(const GrShaderCaps&) const { |
joshualitt | 465283c | 2015-09-11 08:19:35 -0700 | [diff] [blame] | 1198 | return new GLDashingLineEffect(); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1199 | } |
| 1200 | |
Brian Osman | cf86085 | 2018-10-31 14:04:39 -0400 | [diff] [blame] | 1201 | DashingLineEffect::DashingLineEffect(const SkPMColor4f& color, |
bsalomon | af18fb4 | 2016-06-07 08:10:46 -0700 | [diff] [blame] | 1202 | AAMode aaMode, |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 1203 | const SkMatrix& localMatrix, |
| 1204 | bool usesLocalCoords) |
Ethan Nicholas | abff956 | 2017-10-09 10:54:08 -0400 | [diff] [blame] | 1205 | : INHERITED(kDashingLineEffect_ClassID) |
| 1206 | , fColor(color) |
joshualitt | e3ababe | 2015-05-15 07:56:07 -0700 | [diff] [blame] | 1207 | , fLocalMatrix(localMatrix) |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 1208 | , fUsesLocalCoords(usesLocalCoords) |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 1209 | , fAAMode(aaMode) { |
Brian Osman | f04fb3c | 2018-11-12 15:34:00 -0500 | [diff] [blame] | 1210 | fInPosition = {"inPosition", kFloat2_GrVertexAttribType, kFloat2_GrSLType}; |
| 1211 | fInDashParams = {"inDashParams", kFloat3_GrVertexAttribType, kHalf3_GrSLType}; |
| 1212 | fInRect = {"inRect", kFloat4_GrVertexAttribType, kHalf4_GrSLType}; |
| 1213 | this->setVertexAttributes(&fInPosition, 3); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1214 | } |
| 1215 | |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 1216 | GR_DEFINE_GEOMETRY_PROCESSOR_TEST(DashingLineEffect); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1217 | |
Hal Canary | 6f6961e | 2017-01-31 13:50:44 -0500 | [diff] [blame] | 1218 | #if GR_TEST_UTILS |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 1219 | GrGeometryProcessor* DashingLineEffect::TestCreate(GrProcessorTestData* d) { |
Brian Salomon | a6aa590 | 2016-12-16 09:32:00 -0500 | [diff] [blame] | 1220 | AAMode aaMode = static_cast<AAMode>(d->fRandom->nextULessThan(GrDashOp::kAAModeCnt)); |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 1221 | return DashingLineEffect::Make(d->allocator(), |
| 1222 | SkPMColor4f::FromBytes_RGBA(GrRandomColor(d->fRandom)), |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 1223 | aaMode, GrTest::TestMatrix(d->fRandom), |
| 1224 | d->fRandom->nextBool()); |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1225 | } |
Mike Klein | 5045e50 | 2018-06-19 01:40:57 +0000 | [diff] [blame] | 1226 | |
Brian Salomon | 92be2f7 | 2018-06-19 14:33:47 -0400 | [diff] [blame] | 1227 | #endif |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1228 | ////////////////////////////////////////////////////////////////////////////// |
| 1229 | |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 1230 | static GrGeometryProcessor* make_dash_gp(SkArenaAlloc* arena, |
| 1231 | const SkPMColor4f& color, |
| 1232 | AAMode aaMode, |
| 1233 | DashCap cap, |
| 1234 | const SkMatrix& viewMatrix, |
| 1235 | bool usesLocalCoords) { |
joshualitt | df0c557 | 2015-08-03 11:35:28 -0700 | [diff] [blame] | 1236 | SkMatrix invert; |
| 1237 | if (usesLocalCoords && !viewMatrix.invert(&invert)) { |
| 1238 | SkDebugf("Failed to invert\n"); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 1239 | return nullptr; |
joshualitt | df0c557 | 2015-08-03 11:35:28 -0700 | [diff] [blame] | 1240 | } |
| 1241 | |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 1242 | switch (cap) { |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 1243 | case kRound_DashCap: |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 1244 | return DashingCircleEffect::Make(arena, color, aaMode, invert, usesLocalCoords); |
joshualitt | 5224ba7 | 2015-02-03 15:07:51 -0800 | [diff] [blame] | 1245 | case kNonRound_DashCap: |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 1246 | return DashingLineEffect::Make(arena, color, aaMode, invert, usesLocalCoords); |
egdaniel | f767e79 | 2014-07-02 06:21:32 -0700 | [diff] [blame] | 1247 | } |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 1248 | return nullptr; |
commit-bot@chromium.org | 628ed0b | 2014-05-19 14:32:49 +0000 | [diff] [blame] | 1249 | } |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1250 | |
| 1251 | ///////////////////////////////////////////////////////////////////////////////////////////////// |
| 1252 | |
Hal Canary | 6f6961e | 2017-01-31 13:50:44 -0500 | [diff] [blame] | 1253 | #if GR_TEST_UTILS |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1254 | |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 1255 | GR_DRAW_OP_TEST_DEFINE(DashOp) { |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1256 | SkMatrix viewMatrix = GrTest::TestMatrixPreservesRightAngles(random); |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 1257 | AAMode aaMode; |
| 1258 | do { |
| 1259 | aaMode = static_cast<AAMode>(random->nextULessThan(GrDashOp::kAAModeCnt)); |
Chris Dalton | 6ce447a | 2019-06-23 18:07:38 -0600 | [diff] [blame] | 1260 | } while (AAMode::kCoverageWithMSAA == aaMode && numSamples <= 1); |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1261 | |
| 1262 | // We can only dash either horizontal or vertical lines |
| 1263 | SkPoint pts[2]; |
| 1264 | if (random->nextBool()) { |
| 1265 | // vertical |
| 1266 | pts[0].fX = 1.f; |
| 1267 | pts[0].fY = random->nextF() * 10.f; |
| 1268 | pts[1].fX = 1.f; |
| 1269 | pts[1].fY = random->nextF() * 10.f; |
| 1270 | } else { |
| 1271 | // horizontal |
| 1272 | pts[0].fX = random->nextF() * 10.f; |
| 1273 | pts[0].fY = 1.f; |
| 1274 | pts[1].fX = random->nextF() * 10.f; |
| 1275 | pts[1].fY = 1.f; |
| 1276 | } |
| 1277 | |
| 1278 | // pick random cap |
bsalomon | a7d85ba | 2016-07-06 11:54:59 -0700 | [diff] [blame] | 1279 | SkPaint::Cap cap = SkPaint::Cap(random->nextULessThan(SkPaint::kCapCount)); |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1280 | |
| 1281 | SkScalar intervals[2]; |
| 1282 | |
| 1283 | // We can only dash with the following intervals |
| 1284 | enum Intervals { |
| 1285 | kOpenOpen_Intervals , |
| 1286 | kOpenClose_Intervals, |
| 1287 | kCloseOpen_Intervals, |
| 1288 | }; |
| 1289 | |
Greg Daniel | 5d00f00 | 2017-06-29 13:44:51 -0400 | [diff] [blame] | 1290 | Intervals intervalType = SkPaint::kRound_Cap == cap ? |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1291 | kOpenClose_Intervals : |
| 1292 | Intervals(random->nextULessThan(kCloseOpen_Intervals + 1)); |
| 1293 | static const SkScalar kIntervalMin = 0.1f; |
Greg Daniel | 5d00f00 | 2017-06-29 13:44:51 -0400 | [diff] [blame] | 1294 | static const SkScalar kIntervalMinCircles = 1.f; // Must be >= to stroke width |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1295 | static const SkScalar kIntervalMax = 10.f; |
| 1296 | switch (intervalType) { |
| 1297 | case kOpenOpen_Intervals: |
| 1298 | intervals[0] = random->nextRangeScalar(kIntervalMin, kIntervalMax); |
| 1299 | intervals[1] = random->nextRangeScalar(kIntervalMin, kIntervalMax); |
| 1300 | break; |
Greg Daniel | 5d00f00 | 2017-06-29 13:44:51 -0400 | [diff] [blame] | 1301 | case kOpenClose_Intervals: { |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1302 | intervals[0] = 0.f; |
Greg Daniel | 5d00f00 | 2017-06-29 13:44:51 -0400 | [diff] [blame] | 1303 | SkScalar min = SkPaint::kRound_Cap == cap ? kIntervalMinCircles : kIntervalMin; |
| 1304 | intervals[1] = random->nextRangeScalar(min, kIntervalMax); |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1305 | break; |
Greg Daniel | 5d00f00 | 2017-06-29 13:44:51 -0400 | [diff] [blame] | 1306 | } |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1307 | case kCloseOpen_Intervals: |
| 1308 | intervals[0] = random->nextRangeScalar(kIntervalMin, kIntervalMax); |
| 1309 | intervals[1] = 0.f; |
| 1310 | break; |
| 1311 | |
| 1312 | } |
| 1313 | |
| 1314 | // phase is 0 < sum (i0, i1) |
| 1315 | SkScalar phase = random->nextRangeScalar(0, intervals[0] + intervals[1]); |
| 1316 | |
| 1317 | SkPaint p; |
| 1318 | p.setStyle(SkPaint::kStroke_Style); |
| 1319 | p.setStrokeWidth(SkIntToScalar(1)); |
| 1320 | p.setStrokeCap(cap); |
bsalomon | 6663acf | 2016-05-10 09:14:17 -0700 | [diff] [blame] | 1321 | p.setPathEffect(GrTest::TestDashPathEffect::Make(intervals, 2, phase)); |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1322 | |
bsalomon | 6663acf | 2016-05-10 09:14:17 -0700 | [diff] [blame] | 1323 | GrStyle style(p); |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1324 | |
Robert Phillips | 7c525e6 | 2018-06-12 10:11:12 -0400 | [diff] [blame] | 1325 | return GrDashOp::MakeDashLineOp(context, std::move(paint), viewMatrix, pts, aaMode, style, |
Brian Salomon | 98222ac | 2017-07-12 15:27:54 -0400 | [diff] [blame] | 1326 | GrGetRandomStencil(random, context)); |
joshualitt | fa2008f | 2015-04-29 11:32:05 -0700 | [diff] [blame] | 1327 | } |
| 1328 | |
| 1329 | #endif |