ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 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/core/SkString.h" |
| 9 | #include "src/core/SkGeometry.h" |
| 10 | #include "src/core/SkPathPriv.h" |
| 11 | #include "src/core/SkTraceEvent.h" |
Greg Daniel | f91aeb2 | 2019-06-18 09:58:02 -0400 | [diff] [blame] | 12 | #include "src/gpu/GrAuditTrail.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 13 | #include "src/gpu/GrCaps.h" |
| 14 | #include "src/gpu/GrDefaultGeoProcFactory.h" |
| 15 | #include "src/gpu/GrDrawOpTest.h" |
| 16 | #include "src/gpu/GrGeometryProcessor.h" |
| 17 | #include "src/gpu/GrOpFlushState.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 18 | #include "src/gpu/GrProcessor.h" |
Robert Phillips | a9e28af | 2020-03-13 08:40:12 -0400 | [diff] [blame] | 19 | #include "src/gpu/GrProgramInfo.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 20 | #include "src/gpu/GrRenderTargetContext.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 21 | #include "src/gpu/GrStyle.h" |
| 22 | #include "src/gpu/GrVertexWriter.h" |
Michael Ludwig | 663afe5 | 2019-06-03 16:46:19 -0400 | [diff] [blame] | 23 | #include "src/gpu/geometry/GrPathUtils.h" |
| 24 | #include "src/gpu/geometry/GrShape.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 25 | #include "src/gpu/glsl/GrGLSLGeometryProcessor.h" |
| 26 | #include "src/gpu/ops/GrAAConvexTessellator.h" |
| 27 | #include "src/gpu/ops/GrAALinearizingConvexPathRenderer.h" |
| 28 | #include "src/gpu/ops/GrMeshDrawOp.h" |
Robert Phillips | 55f681f | 2020-02-28 08:58:15 -0500 | [diff] [blame] | 29 | #include "src/gpu/ops/GrSimpleMeshDrawOpHelperWithStencil.h" |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 30 | |
fmalita | bd5d7e7 | 2015-06-26 07:18:24 -0700 | [diff] [blame] | 31 | static const int DEFAULT_BUFFER_SIZE = 100; |
| 32 | |
| 33 | // The thicker the stroke, the harder it is to produce high-quality results using tessellation. For |
| 34 | // the time being, we simply drop back to software rendering above this stroke width. |
| 35 | static const SkScalar kMaxStrokeWidth = 20.0; |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 36 | |
| 37 | GrAALinearizingConvexPathRenderer::GrAALinearizingConvexPathRenderer() { |
| 38 | } |
| 39 | |
| 40 | /////////////////////////////////////////////////////////////////////////////// |
| 41 | |
Chris Dalton | 5ed4423 | 2017-09-07 13:22:46 -0600 | [diff] [blame] | 42 | GrPathRenderer::CanDrawPath |
| 43 | GrAALinearizingConvexPathRenderer::onCanDrawPath(const CanDrawPathArgs& args) const { |
Chris Dalton | 6ce447a | 2019-06-23 18:07:38 -0600 | [diff] [blame] | 44 | if (GrAAType::kCoverage != args.fAAType) { |
Chris Dalton | 5ed4423 | 2017-09-07 13:22:46 -0600 | [diff] [blame] | 45 | return CanDrawPath::kNo; |
fmalita | bd5d7e7 | 2015-06-26 07:18:24 -0700 | [diff] [blame] | 46 | } |
bsalomon | 8acedde | 2016-06-24 10:42:16 -0700 | [diff] [blame] | 47 | if (!args.fShape->knownToBeConvex()) { |
Chris Dalton | 5ed4423 | 2017-09-07 13:22:46 -0600 | [diff] [blame] | 48 | return CanDrawPath::kNo; |
fmalita | bd5d7e7 | 2015-06-26 07:18:24 -0700 | [diff] [blame] | 49 | } |
bsalomon | 8acedde | 2016-06-24 10:42:16 -0700 | [diff] [blame] | 50 | if (args.fShape->style().pathEffect()) { |
Chris Dalton | 5ed4423 | 2017-09-07 13:22:46 -0600 | [diff] [blame] | 51 | return CanDrawPath::kNo; |
fmalita | bd5d7e7 | 2015-06-26 07:18:24 -0700 | [diff] [blame] | 52 | } |
bsalomon | 8acedde | 2016-06-24 10:42:16 -0700 | [diff] [blame] | 53 | if (args.fShape->inverseFilled()) { |
Chris Dalton | 5ed4423 | 2017-09-07 13:22:46 -0600 | [diff] [blame] | 54 | return CanDrawPath::kNo; |
bsalomon | 6663acf | 2016-05-10 09:14:17 -0700 | [diff] [blame] | 55 | } |
Brian Osman | a98e399 | 2017-06-26 15:14:53 -0400 | [diff] [blame] | 56 | if (args.fShape->bounds().width() <= 0 && args.fShape->bounds().height() <= 0) { |
| 57 | // Stroked zero length lines should draw, but this PR doesn't handle that case |
Chris Dalton | 5ed4423 | 2017-09-07 13:22:46 -0600 | [diff] [blame] | 58 | return CanDrawPath::kNo; |
Brian Osman | a98e399 | 2017-06-26 15:14:53 -0400 | [diff] [blame] | 59 | } |
bsalomon | 8acedde | 2016-06-24 10:42:16 -0700 | [diff] [blame] | 60 | const SkStrokeRec& stroke = args.fShape->style().strokeRec(); |
robertphillips | 8c17097 | 2016-09-22 12:42:30 -0700 | [diff] [blame] | 61 | |
| 62 | if (stroke.getStyle() == SkStrokeRec::kStroke_Style || |
| 63 | stroke.getStyle() == SkStrokeRec::kStrokeAndFill_Style) { |
ethannicholas | fea7763 | 2015-08-19 12:09:12 -0700 | [diff] [blame] | 64 | if (!args.fViewMatrix->isSimilarity()) { |
Chris Dalton | 5ed4423 | 2017-09-07 13:22:46 -0600 | [diff] [blame] | 65 | return CanDrawPath::kNo; |
ethannicholas | fea7763 | 2015-08-19 12:09:12 -0700 | [diff] [blame] | 66 | } |
bsalomon | 6663acf | 2016-05-10 09:14:17 -0700 | [diff] [blame] | 67 | SkScalar strokeWidth = args.fViewMatrix->getMaxScale() * stroke.getWidth(); |
robertphillips | 8c17097 | 2016-09-22 12:42:30 -0700 | [diff] [blame] | 68 | if (strokeWidth < 1.0f && stroke.getStyle() == SkStrokeRec::kStroke_Style) { |
Chris Dalton | 5ed4423 | 2017-09-07 13:22:46 -0600 | [diff] [blame] | 69 | return CanDrawPath::kNo; |
robertphillips | 8c17097 | 2016-09-22 12:42:30 -0700 | [diff] [blame] | 70 | } |
Chris Dalton | 5ed4423 | 2017-09-07 13:22:46 -0600 | [diff] [blame] | 71 | if (strokeWidth > kMaxStrokeWidth || |
| 72 | !args.fShape->knownToBeClosed() || |
| 73 | stroke.getJoin() == SkPaint::Join::kRound_Join) { |
| 74 | return CanDrawPath::kNo; |
| 75 | } |
| 76 | return CanDrawPath::kYes; |
fmalita | bd5d7e7 | 2015-06-26 07:18:24 -0700 | [diff] [blame] | 77 | } |
Chris Dalton | 5ed4423 | 2017-09-07 13:22:46 -0600 | [diff] [blame] | 78 | if (stroke.getStyle() != SkStrokeRec::kFill_Style) { |
| 79 | return CanDrawPath::kNo; |
| 80 | } |
| 81 | return CanDrawPath::kYes; |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 82 | } |
| 83 | |
| 84 | // extract the result vertices and indices from the GrAAConvexTessellator |
| 85 | static void extract_verts(const GrAAConvexTessellator& tess, |
Brian Osman | f9aabff | 2018-11-13 16:11:38 -0500 | [diff] [blame] | 86 | void* vertData, |
Brian Osman | 80879d4 | 2019-01-07 16:15:27 -0500 | [diff] [blame] | 87 | const GrVertexColor& color, |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 88 | uint16_t firstIndex, |
Brian Osman | 0995fd5 | 2019-01-09 09:52:25 -0500 | [diff] [blame] | 89 | uint16_t* idxs) { |
Brian Osman | f9aabff | 2018-11-13 16:11:38 -0500 | [diff] [blame] | 90 | GrVertexWriter verts{vertData}; |
Brian Osman | f3e6b90 | 2018-12-28 17:43:50 +0000 | [diff] [blame] | 91 | for (int i = 0; i < tess.numPts(); ++i) { |
Brian Osman | 80879d4 | 2019-01-07 16:15:27 -0500 | [diff] [blame] | 92 | verts.write(tess.point(i), color, tess.coverage(i)); |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 93 | } |
| 94 | |
| 95 | for (int i = 0; i < tess.numIndices(); ++i) { |
| 96 | idxs[i] = tess.index(i) + firstIndex; |
| 97 | } |
| 98 | } |
| 99 | |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 100 | static GrGeometryProcessor* create_lines_only_gp(SkArenaAlloc* arena, |
Robert Phillips | 7cd0bfe | 2019-11-20 16:08:10 -0500 | [diff] [blame] | 101 | bool tweakAlphaForCoverage, |
| 102 | const SkMatrix& viewMatrix, |
| 103 | bool usesLocalCoords, |
| 104 | bool wideColor) { |
joshualitt | df0c557 | 2015-08-03 11:35:28 -0700 | [diff] [blame] | 105 | using namespace GrDefaultGeoProcFactory; |
joshualitt | e494a58 | 2015-08-03 09:32:36 -0700 | [diff] [blame] | 106 | |
Brian Osman | 80879d4 | 2019-01-07 16:15:27 -0500 | [diff] [blame] | 107 | Coverage::Type coverageType = |
| 108 | tweakAlphaForCoverage ? Coverage::kAttributeTweakAlpha_Type : Coverage::kAttribute_Type; |
Brian Salomon | 8c852be | 2017-01-04 10:44:42 -0500 | [diff] [blame] | 109 | LocalCoords::Type localCoordsType = |
Brian Osman | 80879d4 | 2019-01-07 16:15:27 -0500 | [diff] [blame] | 110 | usesLocalCoords ? LocalCoords::kUsePosition_Type : LocalCoords::kUnused_Type; |
| 111 | Color::Type colorType = |
| 112 | wideColor ? Color::kPremulWideColorAttribute_Type : Color::kPremulGrColorAttribute_Type; |
| 113 | |
Brian Osman | f0aee74 | 2020-03-12 09:28:44 -0400 | [diff] [blame] | 114 | return MakeForDeviceSpace(arena, colorType, coverageType, localCoordsType, viewMatrix); |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 115 | } |
| 116 | |
Brian Salomon | b295573 | 2017-07-13 16:42:55 -0400 | [diff] [blame] | 117 | namespace { |
| 118 | |
| 119 | class AAFlatteningConvexPathOp final : public GrMeshDrawOp { |
| 120 | private: |
| 121 | using Helper = GrSimpleMeshDrawOpHelperWithStencil; |
| 122 | |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 123 | public: |
Brian Salomon | 25a8809 | 2016-12-01 09:36:50 -0500 | [diff] [blame] | 124 | DEFINE_OP_CLASS_ID |
Robert Phillips | b97da53 | 2019-02-12 15:24:12 -0500 | [diff] [blame] | 125 | static std::unique_ptr<GrDrawOp> Make(GrRecordingContext* context, |
Robert Phillips | 7c525e6 | 2018-06-12 10:11:12 -0400 | [diff] [blame] | 126 | GrPaint&& paint, |
Brian Salomon | b295573 | 2017-07-13 16:42:55 -0400 | [diff] [blame] | 127 | const SkMatrix& viewMatrix, |
| 128 | const SkPath& path, |
| 129 | SkScalar strokeWidth, |
| 130 | SkStrokeRec::Style style, |
| 131 | SkPaint::Join join, |
| 132 | SkScalar miterLimit, |
| 133 | const GrUserStencilSettings* stencilSettings) { |
Robert Phillips | 7c525e6 | 2018-06-12 10:11:12 -0400 | [diff] [blame] | 134 | return Helper::FactoryHelper<AAFlatteningConvexPathOp>(context, std::move(paint), |
| 135 | viewMatrix, path, |
Brian Salomon | b295573 | 2017-07-13 16:42:55 -0400 | [diff] [blame] | 136 | strokeWidth, style, join, miterLimit, |
| 137 | stencilSettings); |
Brian Salomon | 780dad1 | 2016-12-15 18:08:40 -0500 | [diff] [blame] | 138 | } |
| 139 | |
Brian Salomon | b295573 | 2017-07-13 16:42:55 -0400 | [diff] [blame] | 140 | AAFlatteningConvexPathOp(const Helper::MakeArgs& helperArgs, |
Brian Osman | cf86085 | 2018-10-31 14:04:39 -0400 | [diff] [blame] | 141 | const SkPMColor4f& color, |
Brian Salomon | 780dad1 | 2016-12-15 18:08:40 -0500 | [diff] [blame] | 142 | const SkMatrix& viewMatrix, |
| 143 | const SkPath& path, |
| 144 | SkScalar strokeWidth, |
| 145 | SkStrokeRec::Style style, |
| 146 | SkPaint::Join join, |
Brian Salomon | b295573 | 2017-07-13 16:42:55 -0400 | [diff] [blame] | 147 | SkScalar miterLimit, |
| 148 | const GrUserStencilSettings* stencilSettings) |
Brian Salomon | c70fd90 | 2020-03-23 10:39:39 -0400 | [diff] [blame] | 149 | : INHERITED(ClassID()) |
| 150 | , fHelper(helperArgs, GrAAType::kCoverage, stencilSettings) |
| 151 | , fViewMatrix(viewMatrix) { |
| 152 | fPaths.emplace_back(PathData{color, path, strokeWidth, style, join, miterLimit}); |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 153 | |
bsalomon | 0432dd6 | 2016-06-30 07:19:27 -0700 | [diff] [blame] | 154 | // compute bounds |
bsalomon | 88cf17d | 2016-07-08 06:40:56 -0700 | [diff] [blame] | 155 | SkRect bounds = path.getBounds(); |
bsalomon | 0432dd6 | 2016-06-30 07:19:27 -0700 | [diff] [blame] | 156 | SkScalar w = strokeWidth; |
| 157 | if (w > 0) { |
| 158 | w /= 2; |
Greg Daniel | 55e5be3 | 2019-09-30 12:23:26 -0400 | [diff] [blame] | 159 | SkScalar maxScale = viewMatrix.getMaxScale(); |
| 160 | // We should not have a perspective matrix, thus we should have a valid scale. |
| 161 | SkASSERT(maxScale != -1); |
| 162 | if (SkPaint::kMiter_Join == join && w * maxScale > 1.f) { |
bsalomon | 0432dd6 | 2016-06-30 07:19:27 -0700 | [diff] [blame] | 163 | w *= miterLimit; |
| 164 | } |
bsalomon | 88cf17d | 2016-07-08 06:40:56 -0700 | [diff] [blame] | 165 | bounds.outset(w, w); |
bsalomon | 0432dd6 | 2016-06-30 07:19:27 -0700 | [diff] [blame] | 166 | } |
Greg Daniel | 5faf474 | 2019-10-01 15:14:44 -0400 | [diff] [blame] | 167 | this->setTransformedBounds(bounds, viewMatrix, HasAABloat::kYes, IsHairline::kNo); |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 168 | } |
| 169 | |
Brian Salomon | b295573 | 2017-07-13 16:42:55 -0400 | [diff] [blame] | 170 | const char* name() const override { return "AAFlatteningConvexPathOp"; } |
| 171 | |
Chris Dalton | 1706cbf | 2019-05-21 19:35:29 -0600 | [diff] [blame] | 172 | void visitProxies(const VisitProxyFunc& func) const override { |
Robert Phillips | a9e28af | 2020-03-13 08:40:12 -0400 | [diff] [blame] | 173 | if (fProgramInfo) { |
Chris Dalton | be45742 | 2020-03-16 18:05:03 -0600 | [diff] [blame] | 174 | fProgramInfo->visitFPProxies(func); |
Robert Phillips | a9e28af | 2020-03-13 08:40:12 -0400 | [diff] [blame] | 175 | } else { |
| 176 | fHelper.visitProxies(func); |
| 177 | } |
Robert Phillips | b493eeb | 2017-09-13 13:10:52 -0400 | [diff] [blame] | 178 | } |
| 179 | |
Brian Osman | 9a390ac | 2018-11-12 09:47:48 -0500 | [diff] [blame] | 180 | #ifdef SK_DEBUG |
Brian Salomon | b295573 | 2017-07-13 16:42:55 -0400 | [diff] [blame] | 181 | SkString dumpInfo() const override { |
| 182 | SkString string; |
| 183 | for (const auto& path : fPaths) { |
| 184 | string.appendf( |
| 185 | "Color: 0x%08x, StrokeWidth: %.2f, Style: %d, Join: %d, " |
| 186 | "MiterLimit: %.2f\n", |
Brian Osman | cf86085 | 2018-10-31 14:04:39 -0400 | [diff] [blame] | 187 | path.fColor.toBytes_RGBA(), path.fStrokeWidth, path.fStyle, path.fJoin, |
Brian Osman | 1be2b7c | 2018-10-29 16:07:15 -0400 | [diff] [blame] | 188 | path.fMiterLimit); |
Brian Salomon | b295573 | 2017-07-13 16:42:55 -0400 | [diff] [blame] | 189 | } |
| 190 | string += fHelper.dumpInfo(); |
| 191 | string += INHERITED::dumpInfo(); |
| 192 | return string; |
Brian Salomon | 92aee3d | 2016-12-21 09:20:25 -0500 | [diff] [blame] | 193 | } |
Brian Osman | 9a390ac | 2018-11-12 09:47:48 -0500 | [diff] [blame] | 194 | #endif |
Brian Salomon | 92aee3d | 2016-12-21 09:20:25 -0500 | [diff] [blame] | 195 | |
Brian Salomon | b295573 | 2017-07-13 16:42:55 -0400 | [diff] [blame] | 196 | FixedFunctionFlags fixedFunctionFlags() const override { return fHelper.fixedFunctionFlags(); } |
| 197 | |
Chris Dalton | 6ce447a | 2019-06-23 18:07:38 -0600 | [diff] [blame] | 198 | GrProcessorSet::Analysis finalize( |
| 199 | const GrCaps& caps, const GrAppliedClip* clip, bool hasMixedSampledCoverage, |
| 200 | GrClampType clampType) override { |
Chris Dalton | b8fff0d | 2019-03-05 10:11:58 -0700 | [diff] [blame] | 201 | return fHelper.finalizeProcessors( |
Chris Dalton | 6ce447a | 2019-06-23 18:07:38 -0600 | [diff] [blame] | 202 | caps, clip, hasMixedSampledCoverage, clampType, |
| 203 | GrProcessorAnalysisCoverage::kSingleChannel, &fPaths.back().fColor, &fWideColor); |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 204 | } |
| 205 | |
Brian Salomon | b295573 | 2017-07-13 16:42:55 -0400 | [diff] [blame] | 206 | private: |
Robert Phillips | a9e28af | 2020-03-13 08:40:12 -0400 | [diff] [blame] | 207 | GrProgramInfo* programInfo() override { return fProgramInfo; } |
Robert Phillips | 2669a7b | 2020-03-12 12:07:19 -0400 | [diff] [blame] | 208 | |
Robert Phillips | a9e28af | 2020-03-13 08:40:12 -0400 | [diff] [blame] | 209 | void onCreateProgramInfo(const GrCaps* caps, |
| 210 | SkArenaAlloc* arena, |
Robert Phillips | 4133dc4 | 2020-03-11 15:55:55 -0400 | [diff] [blame] | 211 | const GrSurfaceProxyView* outputView, |
Robert Phillips | a9e28af | 2020-03-13 08:40:12 -0400 | [diff] [blame] | 212 | GrAppliedClip&& appliedClip, |
| 213 | const GrXferProcessor::DstProxyView& dstProxyView) override { |
| 214 | GrGeometryProcessor* gp = create_lines_only_gp(arena, |
| 215 | fHelper.compatibleWithCoverageAsAlpha(), |
Brian Salomon | c70fd90 | 2020-03-23 10:39:39 -0400 | [diff] [blame] | 216 | fViewMatrix, |
Robert Phillips | a9e28af | 2020-03-13 08:40:12 -0400 | [diff] [blame] | 217 | fHelper.usesLocalCoords(), |
| 218 | fWideColor); |
| 219 | if (!gp) { |
| 220 | SkDebugf("Couldn't create a GrGeometryProcessor\n"); |
| 221 | return; |
| 222 | } |
| 223 | |
| 224 | fProgramInfo = fHelper.createProgramInfoWithStencil(caps, arena, outputView, |
| 225 | std::move(appliedClip), dstProxyView, |
| 226 | gp, GrPrimitiveType::kTriangles); |
Robert Phillips | 4133dc4 | 2020-03-11 15:55:55 -0400 | [diff] [blame] | 227 | } |
| 228 | |
Robert Phillips | a9e28af | 2020-03-13 08:40:12 -0400 | [diff] [blame] | 229 | void recordDraw(Target* target, |
| 230 | int vertexCount, size_t vertexStride, void* vertices, |
| 231 | int indexCount, uint16_t* indices) { |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 232 | if (vertexCount == 0 || indexCount == 0) { |
| 233 | return; |
| 234 | } |
Brian Salomon | 12d2264 | 2019-01-29 14:38:50 -0500 | [diff] [blame] | 235 | sk_sp<const GrBuffer> vertexBuffer; |
Chris Dalton | bca46e2 | 2017-05-15 11:03:26 -0600 | [diff] [blame] | 236 | int firstVertex; |
mtklein | 002c2ce | 2015-08-26 05:43:22 -0700 | [diff] [blame] | 237 | void* verts = target->makeVertexSpace(vertexStride, vertexCount, &vertexBuffer, |
Chris Dalton | bca46e2 | 2017-05-15 11:03:26 -0600 | [diff] [blame] | 238 | &firstVertex); |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 239 | if (!verts) { |
| 240 | SkDebugf("Could not allocate vertices\n"); |
| 241 | return; |
| 242 | } |
| 243 | memcpy(verts, vertices, vertexCount * vertexStride); |
| 244 | |
Brian Salomon | 12d2264 | 2019-01-29 14:38:50 -0500 | [diff] [blame] | 245 | sk_sp<const GrBuffer> indexBuffer; |
Chris Dalton | bca46e2 | 2017-05-15 11:03:26 -0600 | [diff] [blame] | 246 | int firstIndex; |
| 247 | uint16_t* idxs = target->makeIndexSpace(indexCount, &indexBuffer, &firstIndex); |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 248 | if (!idxs) { |
| 249 | SkDebugf("Could not allocate indices\n"); |
| 250 | return; |
| 251 | } |
| 252 | memcpy(idxs, indices, indexCount * sizeof(uint16_t)); |
Chris Dalton | eb694b7 | 2020-03-16 09:25:50 -0600 | [diff] [blame] | 253 | GrSimpleMesh* mesh = target->allocMesh(); |
Brian Salomon | 12d2264 | 2019-01-29 14:38:50 -0500 | [diff] [blame] | 254 | mesh->setIndexed(std::move(indexBuffer), indexCount, firstIndex, 0, vertexCount - 1, |
Chris Dalton | 37c7bdd | 2020-03-13 09:21:12 -0600 | [diff] [blame] | 255 | GrPrimitiveRestart::kNo, std::move(vertexBuffer), firstVertex); |
Robert Phillips | a9e28af | 2020-03-13 08:40:12 -0400 | [diff] [blame] | 256 | fMeshes.push_back(mesh); |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 257 | } |
mtklein | 002c2ce | 2015-08-26 05:43:22 -0700 | [diff] [blame] | 258 | |
Brian Salomon | 91326c3 | 2017-08-09 16:02:19 -0400 | [diff] [blame] | 259 | void onPrepareDraws(Target* target) override { |
Robert Phillips | a9e28af | 2020-03-13 08:40:12 -0400 | [diff] [blame] | 260 | if (!fProgramInfo) { |
| 261 | this->createProgramInfo(target); |
| 262 | if (!fProgramInfo) { |
| 263 | return; |
| 264 | } |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 265 | } |
| 266 | |
Robert Phillips | a9e28af | 2020-03-13 08:40:12 -0400 | [diff] [blame] | 267 | size_t vertexStride = fProgramInfo->primProc().vertexStride(); |
Brian Salomon | 780dad1 | 2016-12-15 18:08:40 -0500 | [diff] [blame] | 268 | int instanceCount = fPaths.count(); |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 269 | |
Greg Daniel | d5b4593 | 2018-06-07 13:15:10 -0400 | [diff] [blame] | 270 | int64_t vertexCount = 0; |
| 271 | int64_t indexCount = 0; |
| 272 | int64_t maxVertices = DEFAULT_BUFFER_SIZE; |
| 273 | int64_t maxIndices = DEFAULT_BUFFER_SIZE; |
mtklein | 002c2ce | 2015-08-26 05:43:22 -0700 | [diff] [blame] | 274 | uint8_t* vertices = (uint8_t*) sk_malloc_throw(maxVertices * vertexStride); |
| 275 | uint16_t* indices = (uint16_t*) sk_malloc_throw(maxIndices * sizeof(uint16_t)); |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 276 | for (int i = 0; i < instanceCount; i++) { |
Brian Salomon | 780dad1 | 2016-12-15 18:08:40 -0500 | [diff] [blame] | 277 | const PathData& args = fPaths[i]; |
robertphillips | 8c17097 | 2016-09-22 12:42:30 -0700 | [diff] [blame] | 278 | GrAAConvexTessellator tess(args.fStyle, args.fStrokeWidth, |
| 279 | args.fJoin, args.fMiterLimit); |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 280 | |
Brian Salomon | c70fd90 | 2020-03-23 10:39:39 -0400 | [diff] [blame] | 281 | if (!tess.tessellate(fViewMatrix, args.fPath)) { |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 282 | continue; |
| 283 | } |
| 284 | |
Greg Daniel | d5b4593 | 2018-06-07 13:15:10 -0400 | [diff] [blame] | 285 | int currentVertices = tess.numPts(); |
| 286 | if (vertexCount + currentVertices > static_cast<int>(UINT16_MAX)) { |
mtklein | 002c2ce | 2015-08-26 05:43:22 -0700 | [diff] [blame] | 287 | // if we added the current instance, we would overflow the indices we can store in a |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 288 | // uint16_t. Draw what we've got so far and reset. |
Robert Phillips | a9e28af | 2020-03-13 08:40:12 -0400 | [diff] [blame] | 289 | this->recordDraw(target, vertexCount, vertexStride, vertices, indexCount, indices); |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 290 | vertexCount = 0; |
| 291 | indexCount = 0; |
| 292 | } |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 293 | if (vertexCount + currentVertices > maxVertices) { |
Brian Osman | 788b916 | 2020-02-07 10:36:46 -0500 | [diff] [blame] | 294 | maxVertices = std::max(vertexCount + currentVertices, maxVertices * 2); |
Greg Daniel | d5b4593 | 2018-06-07 13:15:10 -0400 | [diff] [blame] | 295 | if (maxVertices * vertexStride > SK_MaxS32) { |
| 296 | sk_free(vertices); |
| 297 | sk_free(indices); |
| 298 | return; |
| 299 | } |
mtklein | 002c2ce | 2015-08-26 05:43:22 -0700 | [diff] [blame] | 300 | vertices = (uint8_t*) sk_realloc_throw(vertices, maxVertices * vertexStride); |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 301 | } |
Greg Daniel | d5b4593 | 2018-06-07 13:15:10 -0400 | [diff] [blame] | 302 | int currentIndices = tess.numIndices(); |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 303 | if (indexCount + currentIndices > maxIndices) { |
Brian Osman | 788b916 | 2020-02-07 10:36:46 -0500 | [diff] [blame] | 304 | maxIndices = std::max(indexCount + currentIndices, maxIndices * 2); |
Greg Daniel | d5b4593 | 2018-06-07 13:15:10 -0400 | [diff] [blame] | 305 | if (maxIndices * sizeof(uint16_t) > SK_MaxS32) { |
| 306 | sk_free(vertices); |
| 307 | sk_free(indices); |
| 308 | return; |
| 309 | } |
mtklein | 002c2ce | 2015-08-26 05:43:22 -0700 | [diff] [blame] | 310 | indices = (uint16_t*) sk_realloc_throw(indices, maxIndices * sizeof(uint16_t)); |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 311 | } |
| 312 | |
Brian Osman | 80879d4 | 2019-01-07 16:15:27 -0500 | [diff] [blame] | 313 | extract_verts(tess, vertices + vertexStride * vertexCount, |
Brian Osman | 0995fd5 | 2019-01-09 09:52:25 -0500 | [diff] [blame] | 314 | GrVertexColor(args.fColor, fWideColor), vertexCount, |
| 315 | indices + indexCount); |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 316 | vertexCount += currentVertices; |
| 317 | indexCount += currentIndices; |
| 318 | } |
Greg Daniel | d5b4593 | 2018-06-07 13:15:10 -0400 | [diff] [blame] | 319 | if (vertexCount <= SK_MaxS32 && indexCount <= SK_MaxS32) { |
Robert Phillips | a9e28af | 2020-03-13 08:40:12 -0400 | [diff] [blame] | 320 | this->recordDraw(target, vertexCount, vertexStride, vertices, indexCount, indices); |
Greg Daniel | d5b4593 | 2018-06-07 13:15:10 -0400 | [diff] [blame] | 321 | } |
mtklein | 002c2ce | 2015-08-26 05:43:22 -0700 | [diff] [blame] | 322 | sk_free(vertices); |
| 323 | sk_free(indices); |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 324 | } |
| 325 | |
Chris Dalton | 07cdcfc9 | 2019-02-26 11:13:22 -0700 | [diff] [blame] | 326 | void onExecute(GrOpFlushState* flushState, const SkRect& chainBounds) override { |
Robert Phillips | a9e28af | 2020-03-13 08:40:12 -0400 | [diff] [blame] | 327 | if (!fProgramInfo || fMeshes.isEmpty()) { |
| 328 | return; |
| 329 | } |
Robert Phillips | 3968fcb | 2019-12-05 16:40:31 -0500 | [diff] [blame] | 330 | |
Chris Dalton | 765ed36 | 2020-03-16 17:34:44 -0600 | [diff] [blame] | 331 | flushState->bindPipelineAndScissorClip(*fProgramInfo, chainBounds); |
| 332 | flushState->bindTextures(fProgramInfo->primProc(), nullptr, fProgramInfo->pipeline()); |
Robert Phillips | a9e28af | 2020-03-13 08:40:12 -0400 | [diff] [blame] | 333 | for (int i = 0; i < fMeshes.count(); ++i) { |
Chris Dalton | 765ed36 | 2020-03-16 17:34:44 -0600 | [diff] [blame] | 334 | flushState->drawMesh(*fMeshes[i]); |
Robert Phillips | a9e28af | 2020-03-13 08:40:12 -0400 | [diff] [blame] | 335 | } |
Chris Dalton | 07cdcfc9 | 2019-02-26 11:13:22 -0700 | [diff] [blame] | 336 | } |
| 337 | |
Michael Ludwig | 28b0c5d | 2019-12-19 14:51:00 -0500 | [diff] [blame] | 338 | CombineResult onCombineIfPossible(GrOp* t, GrRecordingContext::Arenas*, |
| 339 | const GrCaps& caps) override { |
Brian Salomon | 780dad1 | 2016-12-15 18:08:40 -0500 | [diff] [blame] | 340 | AAFlatteningConvexPathOp* that = t->cast<AAFlatteningConvexPathOp>(); |
Brian Salomon | b295573 | 2017-07-13 16:42:55 -0400 | [diff] [blame] | 341 | if (!fHelper.isCompatible(that->fHelper, caps, this->bounds(), that->bounds())) { |
Brian Salomon | 7eae3e0 | 2018-08-07 14:02:38 +0000 | [diff] [blame] | 342 | return CombineResult::kCannotCombine; |
joshualitt | 8cab9a7 | 2015-07-16 09:13:50 -0700 | [diff] [blame] | 343 | } |
Brian Salomon | c70fd90 | 2020-03-23 10:39:39 -0400 | [diff] [blame] | 344 | if (fViewMatrix != that->fViewMatrix) { |
| 345 | return CombineResult::kCannotCombine; |
| 346 | } |
joshualitt | 8cab9a7 | 2015-07-16 09:13:50 -0700 | [diff] [blame] | 347 | |
Brian Salomon | 780dad1 | 2016-12-15 18:08:40 -0500 | [diff] [blame] | 348 | fPaths.push_back_n(that->fPaths.count(), that->fPaths.begin()); |
Brian Osman | 80879d4 | 2019-01-07 16:15:27 -0500 | [diff] [blame] | 349 | fWideColor |= that->fWideColor; |
Brian Salomon | 7eae3e0 | 2018-08-07 14:02:38 +0000 | [diff] [blame] | 350 | return CombineResult::kMerged; |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 351 | } |
| 352 | |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 353 | |
Brian Salomon | 780dad1 | 2016-12-15 18:08:40 -0500 | [diff] [blame] | 354 | struct PathData { |
Brian Osman | cf86085 | 2018-10-31 14:04:39 -0400 | [diff] [blame] | 355 | SkPMColor4f fColor; |
bsalomon | 0432dd6 | 2016-06-30 07:19:27 -0700 | [diff] [blame] | 356 | SkPath fPath; |
| 357 | SkScalar fStrokeWidth; |
robertphillips | 8c17097 | 2016-09-22 12:42:30 -0700 | [diff] [blame] | 358 | SkStrokeRec::Style fStyle; |
bsalomon | 0432dd6 | 2016-06-30 07:19:27 -0700 | [diff] [blame] | 359 | SkPaint::Join fJoin; |
| 360 | SkScalar fMiterLimit; |
| 361 | }; |
| 362 | |
Brian Salomon | 780dad1 | 2016-12-15 18:08:40 -0500 | [diff] [blame] | 363 | SkSTArray<1, PathData, true> fPaths; |
Brian Salomon | b295573 | 2017-07-13 16:42:55 -0400 | [diff] [blame] | 364 | Helper fHelper; |
Brian Salomon | c70fd90 | 2020-03-23 10:39:39 -0400 | [diff] [blame] | 365 | SkMatrix fViewMatrix; |
Brian Osman | 80879d4 | 2019-01-07 16:15:27 -0500 | [diff] [blame] | 366 | bool fWideColor; |
reed | 1b55a96 | 2015-09-17 20:16:13 -0700 | [diff] [blame] | 367 | |
Chris Dalton | eb694b7 | 2020-03-16 09:25:50 -0600 | [diff] [blame] | 368 | SkTDArray<GrSimpleMesh*> fMeshes; |
| 369 | GrProgramInfo* fProgramInfo = nullptr; |
Robert Phillips | a9e28af | 2020-03-13 08:40:12 -0400 | [diff] [blame] | 370 | |
Brian Salomon | b295573 | 2017-07-13 16:42:55 -0400 | [diff] [blame] | 371 | typedef GrMeshDrawOp INHERITED; |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 372 | }; |
| 373 | |
Brian Salomon | b295573 | 2017-07-13 16:42:55 -0400 | [diff] [blame] | 374 | } // anonymous namespace |
| 375 | |
bsalomon | 0aff2fa | 2015-07-31 06:48:27 -0700 | [diff] [blame] | 376 | bool GrAALinearizingConvexPathRenderer::onDrawPath(const DrawPathArgs& args) { |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 377 | GR_AUDIT_TRAIL_AUTO_FRAME(args.fRenderTargetContext->auditTrail(), |
joshualitt | de83b41 | 2016-01-14 09:58:36 -0800 | [diff] [blame] | 378 | "GrAALinearizingConvexPathRenderer::onDrawPath"); |
Chris Dalton | 6ce447a | 2019-06-23 18:07:38 -0600 | [diff] [blame] | 379 | SkASSERT(args.fRenderTargetContext->numSamples() <= 1); |
bsalomon | 8acedde | 2016-06-24 10:42:16 -0700 | [diff] [blame] | 380 | SkASSERT(!args.fShape->isEmpty()); |
robertphillips | 8c17097 | 2016-09-22 12:42:30 -0700 | [diff] [blame] | 381 | SkASSERT(!args.fShape->style().pathEffect()); |
csmartdalton | ecbc12b | 2016-06-08 10:08:43 -0700 | [diff] [blame] | 382 | |
bsalomon | 0432dd6 | 2016-06-30 07:19:27 -0700 | [diff] [blame] | 383 | SkPath path; |
| 384 | args.fShape->asPath(&path); |
bsalomon | 8acedde | 2016-06-24 10:42:16 -0700 | [diff] [blame] | 385 | bool fill = args.fShape->style().isSimpleFill(); |
| 386 | const SkStrokeRec& stroke = args.fShape->style().strokeRec(); |
bsalomon | 0432dd6 | 2016-06-30 07:19:27 -0700 | [diff] [blame] | 387 | SkScalar strokeWidth = fill ? -1.0f : stroke.getWidth(); |
| 388 | SkPaint::Join join = fill ? SkPaint::Join::kMiter_Join : stroke.getJoin(); |
| 389 | SkScalar miterLimit = stroke.getMiter(); |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 390 | |
Brian Salomon | b295573 | 2017-07-13 16:42:55 -0400 | [diff] [blame] | 391 | std::unique_ptr<GrDrawOp> op = AAFlatteningConvexPathOp::Make( |
Robert Phillips | 7c525e6 | 2018-06-12 10:11:12 -0400 | [diff] [blame] | 392 | args.fContext, std::move(args.fPaint), *args.fViewMatrix, path, strokeWidth, |
| 393 | stroke.getStyle(), join, miterLimit, args.fUserStencilSettings); |
Brian Salomon | b295573 | 2017-07-13 16:42:55 -0400 | [diff] [blame] | 394 | args.fRenderTargetContext->addDrawOp(*args.fClip, std::move(op)); |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 395 | return true; |
| 396 | } |
| 397 | |
| 398 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
| 399 | |
Hal Canary | 6f6961e | 2017-01-31 13:50:44 -0500 | [diff] [blame] | 400 | #if GR_TEST_UTILS |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 401 | |
Brian Salomon | b295573 | 2017-07-13 16:42:55 -0400 | [diff] [blame] | 402 | GR_DRAW_OP_TEST_DEFINE(AAFlatteningConvexPathOp) { |
Brian Salomon | 780dad1 | 2016-12-15 18:08:40 -0500 | [diff] [blame] | 403 | SkMatrix viewMatrix = GrTest::TestMatrixPreservesRightAngles(random); |
bsalomon | 0432dd6 | 2016-06-30 07:19:27 -0700 | [diff] [blame] | 404 | SkPath path = GrTest::TestPathConvex(random); |
robertphillips | 8c17097 | 2016-09-22 12:42:30 -0700 | [diff] [blame] | 405 | |
| 406 | SkStrokeRec::Style styles[3] = { SkStrokeRec::kFill_Style, |
Herb Derby | 60c05f9 | 2016-12-13 15:18:55 -0500 | [diff] [blame] | 407 | SkStrokeRec::kStroke_Style, |
robertphillips | 8c17097 | 2016-09-22 12:42:30 -0700 | [diff] [blame] | 408 | SkStrokeRec::kStrokeAndFill_Style }; |
| 409 | |
| 410 | SkStrokeRec::Style style = styles[random->nextU() % 3]; |
| 411 | |
| 412 | SkScalar strokeWidth = -1.f; |
bsalomon | 0432dd6 | 2016-06-30 07:19:27 -0700 | [diff] [blame] | 413 | SkPaint::Join join = SkPaint::kMiter_Join; |
| 414 | SkScalar miterLimit = 0.5f; |
robertphillips | 8c17097 | 2016-09-22 12:42:30 -0700 | [diff] [blame] | 415 | |
| 416 | if (SkStrokeRec::kFill_Style != style) { |
| 417 | strokeWidth = random->nextRangeF(1.0f, 10.0f); |
| 418 | if (random->nextBool()) { |
| 419 | join = SkPaint::kMiter_Join; |
| 420 | } else { |
| 421 | join = SkPaint::kBevel_Join; |
| 422 | } |
| 423 | miterLimit = random->nextRangeF(0.5f, 2.0f); |
| 424 | } |
Brian Salomon | b295573 | 2017-07-13 16:42:55 -0400 | [diff] [blame] | 425 | const GrUserStencilSettings* stencilSettings = GrGetRandomStencil(random, context); |
Robert Phillips | 7c525e6 | 2018-06-12 10:11:12 -0400 | [diff] [blame] | 426 | return AAFlatteningConvexPathOp::Make(context, std::move(paint), viewMatrix, path, strokeWidth, |
| 427 | style, join, miterLimit, stencilSettings); |
ethannicholas | 1a1b3ac | 2015-06-10 12:11:17 -0700 | [diff] [blame] | 428 | } |
| 429 | |
| 430 | #endif |