commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | // This test only works with the GPU backend. |
| 9 | |
| 10 | #include "gm.h" |
| 11 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 12 | #if SK_SUPPORT_GPU |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 13 | |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 14 | #include "GrRenderTargetContextPriv.h" |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 15 | #include "GrContext.h" |
| 16 | #include "GrPathUtils.h" |
| 17 | #include "GrTest.h" |
| 18 | #include "SkColorPriv.h" |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 19 | #include "SkGeometry.h" |
| 20 | |
Brian Salomon | 6b316e9 | 2016-12-16 09:35:49 -0500 | [diff] [blame^] | 21 | #include "batches/GrTestMeshDrawOp.h" |
joshualitt | 2771b56 | 2015-08-07 12:46:26 -0700 | [diff] [blame] | 22 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 23 | #include "effects/GrBezierEffect.h" |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 24 | |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 25 | static inline SkScalar eval_line(const SkPoint& p, const SkScalar lineEq[3], SkScalar sign) { |
| 26 | return sign * (lineEq[0] * p.fX + lineEq[1] * p.fY + lineEq[2]); |
| 27 | } |
| 28 | |
| 29 | namespace skiagm { |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 30 | |
Brian Salomon | 6b316e9 | 2016-12-16 09:35:49 -0500 | [diff] [blame^] | 31 | class BezierCubicOrConicTestOp : public GrTestMeshDrawOp { |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 32 | public: |
Brian Salomon | 25a8809 | 2016-12-01 09:36:50 -0500 | [diff] [blame] | 33 | DEFINE_OP_CLASS_ID |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 34 | |
Brian Salomon | 6b316e9 | 2016-12-16 09:35:49 -0500 | [diff] [blame^] | 35 | const char* name() const override { return "BezierCubicOrConicTestOp"; } |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 36 | |
Brian Salomon | 6b316e9 | 2016-12-16 09:35:49 -0500 | [diff] [blame^] | 37 | static sk_sp<GrDrawOp> Make(sk_sp<GrGeometryProcessor> gp, const SkRect& bounds, GrColor color, |
| 38 | const SkScalar klmEqs[9], SkScalar sign) { |
| 39 | return sk_sp<GrDrawOp>(new BezierCubicOrConicTestOp(gp, bounds, color, klmEqs, sign)); |
| 40 | } |
| 41 | |
| 42 | private: |
| 43 | BezierCubicOrConicTestOp(sk_sp<GrGeometryProcessor> gp, const SkRect& bounds, GrColor color, |
| 44 | const SkScalar klmEqs[9], SkScalar sign) |
| 45 | : INHERITED(ClassID(), bounds, color), fGeometryProcessor(std::move(gp)) { |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 46 | for (int i = 0; i < 9; i++) { |
| 47 | fKlmEqs[i] = klmEqs[i]; |
| 48 | } |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 49 | fSign = sign; |
| 50 | } |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 51 | struct Vertex { |
| 52 | SkPoint fPosition; |
| 53 | float fKLM[4]; // The last value is ignored. The effect expects a vec4f. |
| 54 | }; |
| 55 | |
bsalomon | 342bfc2 | 2016-04-01 06:06:20 -0700 | [diff] [blame] | 56 | void onPrepareDraws(Target* target) const override { |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 57 | QuadHelper helper; |
bsalomon | 342bfc2 | 2016-04-01 06:06:20 -0700 | [diff] [blame] | 58 | size_t vertexStride = fGeometryProcessor->getVertexStride(); |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 59 | SkASSERT(vertexStride == sizeof(Vertex)); |
bsalomon | 7539856 | 2015-08-17 12:55:38 -0700 | [diff] [blame] | 60 | Vertex* verts = reinterpret_cast<Vertex*>(helper.init(target, vertexStride, 1)); |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 61 | if (!verts) { |
joshualitt | 4b31de8 | 2015-03-05 14:33:41 -0800 | [diff] [blame] | 62 | return; |
| 63 | } |
bsalomon | 342bfc2 | 2016-04-01 06:06:20 -0700 | [diff] [blame] | 64 | const SkRect& bounds = this->bounds(); |
| 65 | verts[0].fPosition.setRectFan(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 66 | sizeof(Vertex)); |
| 67 | for (int v = 0; v < 4; ++v) { |
| 68 | verts[v].fKLM[0] = eval_line(verts[v].fPosition, fKlmEqs + 0, fSign); |
| 69 | verts[v].fKLM[1] = eval_line(verts[v].fPosition, fKlmEqs + 3, fSign); |
| 70 | verts[v].fKLM[2] = eval_line(verts[v].fPosition, fKlmEqs + 6, 1.f); |
| 71 | } |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 72 | helper.recordDraw(target, fGeometryProcessor.get()); |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 73 | } |
| 74 | |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 75 | SkScalar fKlmEqs[9]; |
| 76 | SkScalar fSign; |
| 77 | sk_sp<GrGeometryProcessor> fGeometryProcessor; |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 78 | |
mtklein | dbfd7ab | 2016-09-01 11:24:54 -0700 | [diff] [blame] | 79 | static constexpr int kVertsPerCubic = 4; |
| 80 | static constexpr int kIndicesPerCubic = 6; |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 81 | |
Brian Salomon | 6b316e9 | 2016-12-16 09:35:49 -0500 | [diff] [blame^] | 82 | typedef GrTestMeshDrawOp INHERITED; |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 83 | }; |
| 84 | |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 85 | /** |
| 86 | * This GM directly exercises effects that draw Bezier curves in the GPU backend. |
| 87 | */ |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 88 | class BezierCubicEffects : public GM { |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 89 | public: |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 90 | BezierCubicEffects() { |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 91 | this->setBGColor(0xFFFFFFFF); |
| 92 | } |
| 93 | |
| 94 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 95 | SkString onShortName() override { |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 96 | return SkString("bezier_cubic_effects"); |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 97 | } |
| 98 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 99 | SkISize onISize() override { |
tfarina | f539318 | 2014-06-09 23:59:03 -0700 | [diff] [blame] | 100 | return SkISize::Make(800, 800); |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 101 | } |
| 102 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 103 | void onDraw(SkCanvas* canvas) override { |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 104 | GrRenderTargetContext* renderTargetContext = |
| 105 | canvas->internal_private_accessTopLayerRenderTargetContext(); |
| 106 | if (!renderTargetContext) { |
halcanary | 2a24338 | 2015-09-09 08:16:41 -0700 | [diff] [blame] | 107 | skiagm::GM::DrawGpuOnlyMessage(canvas); |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 108 | return; |
| 109 | } |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 110 | |
robertphillips | 175dd9b | 2016-04-28 14:32:04 -0700 | [diff] [blame] | 111 | GrContext* context = canvas->getGrContext(); |
| 112 | if (!context) { |
joshualitt | f5883a6 | 2016-01-13 07:47:38 -0800 | [diff] [blame] | 113 | return; |
| 114 | } |
| 115 | |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 116 | struct Vertex { |
| 117 | SkPoint fPosition; |
| 118 | float fKLM[4]; // The last value is ignored. The effect expects a vec4f. |
| 119 | }; |
| 120 | |
mtklein | dbfd7ab | 2016-09-01 11:24:54 -0700 | [diff] [blame] | 121 | constexpr int kNumCubics = 15; |
commit-bot@chromium.org | e0e7cfe | 2013-09-09 20:09:12 +0000 | [diff] [blame] | 122 | SkRandom rand; |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 123 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 124 | // Mult by 3 for each edge effect type |
| 125 | int numCols = SkScalarCeilToInt(SkScalarSqrt(SkIntToScalar(kNumCubics*3))); |
| 126 | int numRows = SkScalarCeilToInt(SkIntToScalar(kNumCubics*3) / numCols); |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 127 | SkScalar w = SkIntToScalar(renderTargetContext->width()) / numCols; |
| 128 | SkScalar h = SkIntToScalar(renderTargetContext->height()) / numRows; |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 129 | int row = 0; |
| 130 | int col = 0; |
mtklein | dbfd7ab | 2016-09-01 11:24:54 -0700 | [diff] [blame] | 131 | constexpr GrColor color = 0xff000000; |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 132 | |
| 133 | for (int i = 0; i < kNumCubics; ++i) { |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 134 | SkPoint baseControlPts[] = { |
| 135 | {rand.nextRangeF(0.f, w), rand.nextRangeF(0.f, h)}, |
| 136 | {rand.nextRangeF(0.f, w), rand.nextRangeF(0.f, h)}, |
| 137 | {rand.nextRangeF(0.f, w), rand.nextRangeF(0.f, h)}, |
| 138 | {rand.nextRangeF(0.f, w), rand.nextRangeF(0.f, h)} |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 139 | }; |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 140 | for(int edgeType = 0; edgeType < kGrProcessorEdgeTypeCnt; ++edgeType) { |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 141 | sk_sp<GrGeometryProcessor> gp; |
joshualitt | f5883a6 | 2016-01-13 07:47:38 -0800 | [diff] [blame] | 142 | GrPrimitiveEdgeType et = (GrPrimitiveEdgeType)edgeType; |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 143 | gp = GrCubicEffect::Make(color, SkMatrix::I(), et, *context->caps()); |
joshualitt | f5883a6 | 2016-01-13 07:47:38 -0800 | [diff] [blame] | 144 | if (!gp) { |
| 145 | continue; |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 146 | } |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 147 | SkScalar x = SkScalarMul(col, w); |
| 148 | SkScalar y = SkScalarMul(row, h); |
| 149 | SkPoint controlPts[] = { |
| 150 | {x + baseControlPts[0].fX, y + baseControlPts[0].fY}, |
| 151 | {x + baseControlPts[1].fX, y + baseControlPts[1].fY}, |
| 152 | {x + baseControlPts[2].fX, y + baseControlPts[2].fY}, |
| 153 | {x + baseControlPts[3].fX, y + baseControlPts[3].fY} |
| 154 | }; |
| 155 | SkPoint chopped[10]; |
| 156 | SkScalar klmEqs[9]; |
| 157 | SkScalar klmSigns[3]; |
| 158 | int cnt = GrPathUtils::chopCubicAtLoopIntersection(controlPts, |
| 159 | chopped, |
| 160 | klmEqs, |
| 161 | klmSigns); |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 162 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 163 | SkPaint ctrlPtPaint; |
| 164 | ctrlPtPaint.setColor(rand.nextU() | 0xFF000000); |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 165 | for (int i = 0; i < 4; ++i) { |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 166 | canvas->drawCircle(controlPts[i].fX, controlPts[i].fY, 6.f, ctrlPtPaint); |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 167 | } |
| 168 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 169 | SkPaint polyPaint; |
| 170 | polyPaint.setColor(0xffA0A0A0); |
| 171 | polyPaint.setStrokeWidth(0); |
| 172 | polyPaint.setStyle(SkPaint::kStroke_Style); |
| 173 | canvas->drawPoints(SkCanvas::kPolygon_PointMode, 4, controlPts, polyPaint); |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 174 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 175 | SkPaint choppedPtPaint; |
| 176 | choppedPtPaint.setColor(~ctrlPtPaint.getColor() | 0xFF000000); |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 177 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 178 | for (int c = 0; c < cnt; ++c) { |
| 179 | SkPoint* pts = chopped + 3 * c; |
| 180 | |
| 181 | for (int i = 0; i < 4; ++i) { |
| 182 | canvas->drawCircle(pts[i].fX, pts[i].fY, 3.f, choppedPtPaint); |
| 183 | } |
| 184 | |
| 185 | SkRect bounds; |
| 186 | bounds.set(pts, 4); |
| 187 | |
| 188 | SkPaint boundsPaint; |
| 189 | boundsPaint.setColor(0xff808080); |
| 190 | boundsPaint.setStrokeWidth(0); |
| 191 | boundsPaint.setStyle(SkPaint::kStroke_Style); |
| 192 | canvas->drawRect(bounds, boundsPaint); |
| 193 | |
robertphillips | 28a838e | 2016-06-23 14:07:00 -0700 | [diff] [blame] | 194 | GrPaint grPaint; |
Mike Reed | 7d954ad | 2016-10-28 15:42:34 -0400 | [diff] [blame] | 195 | grPaint.setXPFactory(GrPorterDuffXPFactory::Make(SkBlendMode::kSrc)); |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 196 | |
Brian Salomon | 6b316e9 | 2016-12-16 09:35:49 -0500 | [diff] [blame^] | 197 | sk_sp<GrDrawOp> op = |
| 198 | BezierCubicOrConicTestOp::Make(gp, bounds, color, klmEqs, klmSigns[c]); |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 199 | |
Brian Salomon | 1951f3d | 2016-12-09 16:07:12 -0500 | [diff] [blame] | 200 | renderTargetContext->priv().testingOnly_addDrawOp(grPaint, GrAAType::kNone, |
| 201 | std::move(op)); |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 202 | } |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 203 | ++col; |
| 204 | if (numCols == col) { |
| 205 | col = 0; |
| 206 | ++row; |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 207 | } |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 208 | } |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | private: |
| 213 | typedef GM INHERITED; |
| 214 | }; |
| 215 | |
| 216 | ////////////////////////////////////////////////////////////////////////////// |
| 217 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 218 | /** |
| 219 | * This GM directly exercises effects that draw Bezier curves in the GPU backend. |
| 220 | */ |
| 221 | class BezierConicEffects : public GM { |
| 222 | public: |
| 223 | BezierConicEffects() { |
| 224 | this->setBGColor(0xFFFFFFFF); |
| 225 | } |
| 226 | |
| 227 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 228 | SkString onShortName() override { |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 229 | return SkString("bezier_conic_effects"); |
| 230 | } |
| 231 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 232 | SkISize onISize() override { |
tfarina | f539318 | 2014-06-09 23:59:03 -0700 | [diff] [blame] | 233 | return SkISize::Make(800, 800); |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 234 | } |
| 235 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 236 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 237 | void onDraw(SkCanvas* canvas) override { |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 238 | GrRenderTargetContext* renderTargetContext = |
| 239 | canvas->internal_private_accessTopLayerRenderTargetContext(); |
| 240 | if (!renderTargetContext) { |
halcanary | 2a24338 | 2015-09-09 08:16:41 -0700 | [diff] [blame] | 241 | skiagm::GM::DrawGpuOnlyMessage(canvas); |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 242 | return; |
| 243 | } |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 244 | |
robertphillips | 175dd9b | 2016-04-28 14:32:04 -0700 | [diff] [blame] | 245 | GrContext* context = canvas->getGrContext(); |
| 246 | if (!context) { |
joshualitt | f5883a6 | 2016-01-13 07:47:38 -0800 | [diff] [blame] | 247 | return; |
| 248 | } |
| 249 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 250 | struct Vertex { |
| 251 | SkPoint fPosition; |
| 252 | float fKLM[4]; // The last value is ignored. The effect expects a vec4f. |
| 253 | }; |
| 254 | |
mtklein | dbfd7ab | 2016-09-01 11:24:54 -0700 | [diff] [blame] | 255 | constexpr int kNumConics = 10; |
commit-bot@chromium.org | e0e7cfe | 2013-09-09 20:09:12 +0000 | [diff] [blame] | 256 | SkRandom rand; |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 257 | |
| 258 | // Mult by 3 for each edge effect type |
| 259 | int numCols = SkScalarCeilToInt(SkScalarSqrt(SkIntToScalar(kNumConics*3))); |
| 260 | int numRows = SkScalarCeilToInt(SkIntToScalar(kNumConics*3) / numCols); |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 261 | SkScalar w = SkIntToScalar(renderTargetContext->width()) / numCols; |
| 262 | SkScalar h = SkIntToScalar(renderTargetContext->height()) / numRows; |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 263 | int row = 0; |
| 264 | int col = 0; |
mtklein | dbfd7ab | 2016-09-01 11:24:54 -0700 | [diff] [blame] | 265 | constexpr GrColor color = 0xff000000; |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 266 | |
| 267 | for (int i = 0; i < kNumConics; ++i) { |
| 268 | SkPoint baseControlPts[] = { |
| 269 | {rand.nextRangeF(0.f, w), rand.nextRangeF(0.f, h)}, |
| 270 | {rand.nextRangeF(0.f, w), rand.nextRangeF(0.f, h)}, |
| 271 | {rand.nextRangeF(0.f, w), rand.nextRangeF(0.f, h)} |
| 272 | }; |
| 273 | SkScalar weight = rand.nextRangeF(0.f, 2.f); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 274 | for(int edgeType = 0; edgeType < kGrProcessorEdgeTypeCnt; ++edgeType) { |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 275 | sk_sp<GrGeometryProcessor> gp; |
joshualitt | f5883a6 | 2016-01-13 07:47:38 -0800 | [diff] [blame] | 276 | GrPrimitiveEdgeType et = (GrPrimitiveEdgeType)edgeType; |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 277 | gp = GrConicEffect::Make(color, SkMatrix::I(), et, |
| 278 | *context->caps(), SkMatrix::I(), false); |
joshualitt | f5883a6 | 2016-01-13 07:47:38 -0800 | [diff] [blame] | 279 | if (!gp) { |
| 280 | continue; |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 281 | } |
| 282 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 283 | SkScalar x = SkScalarMul(col, w); |
| 284 | SkScalar y = SkScalarMul(row, h); |
| 285 | SkPoint controlPts[] = { |
| 286 | {x + baseControlPts[0].fX, y + baseControlPts[0].fY}, |
| 287 | {x + baseControlPts[1].fX, y + baseControlPts[1].fY}, |
| 288 | {x + baseControlPts[2].fX, y + baseControlPts[2].fY} |
| 289 | }; |
| 290 | SkConic dst[4]; |
| 291 | SkScalar klmEqs[9]; |
| 292 | int cnt = chop_conic(controlPts, dst, weight); |
| 293 | GrPathUtils::getConicKLM(controlPts, weight, klmEqs); |
| 294 | |
| 295 | SkPaint ctrlPtPaint; |
| 296 | ctrlPtPaint.setColor(rand.nextU() | 0xFF000000); |
| 297 | for (int i = 0; i < 3; ++i) { |
| 298 | canvas->drawCircle(controlPts[i].fX, controlPts[i].fY, 6.f, ctrlPtPaint); |
| 299 | } |
| 300 | |
| 301 | SkPaint polyPaint; |
| 302 | polyPaint.setColor(0xffA0A0A0); |
| 303 | polyPaint.setStrokeWidth(0); |
| 304 | polyPaint.setStyle(SkPaint::kStroke_Style); |
| 305 | canvas->drawPoints(SkCanvas::kPolygon_PointMode, 3, controlPts, polyPaint); |
| 306 | |
| 307 | SkPaint choppedPtPaint; |
| 308 | choppedPtPaint.setColor(~ctrlPtPaint.getColor() | 0xFF000000); |
| 309 | |
| 310 | for (int c = 0; c < cnt; ++c) { |
| 311 | SkPoint* pts = dst[c].fPts; |
| 312 | for (int i = 0; i < 3; ++i) { |
| 313 | canvas->drawCircle(pts[i].fX, pts[i].fY, 3.f, choppedPtPaint); |
| 314 | } |
| 315 | |
| 316 | SkRect bounds; |
| 317 | //SkPoint bPts[] = {{0.f, 0.f}, {800.f, 800.f}}; |
| 318 | //bounds.set(bPts, 2); |
| 319 | bounds.set(pts, 3); |
| 320 | |
| 321 | SkPaint boundsPaint; |
| 322 | boundsPaint.setColor(0xff808080); |
| 323 | boundsPaint.setStrokeWidth(0); |
| 324 | boundsPaint.setStyle(SkPaint::kStroke_Style); |
| 325 | canvas->drawRect(bounds, boundsPaint); |
| 326 | |
robertphillips | 28a838e | 2016-06-23 14:07:00 -0700 | [diff] [blame] | 327 | GrPaint grPaint; |
Mike Reed | 7d954ad | 2016-10-28 15:42:34 -0400 | [diff] [blame] | 328 | grPaint.setXPFactory(GrPorterDuffXPFactory::Make(SkBlendMode::kSrc)); |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 329 | |
Brian Salomon | 6b316e9 | 2016-12-16 09:35:49 -0500 | [diff] [blame^] | 330 | sk_sp<GrDrawOp> op = |
| 331 | BezierCubicOrConicTestOp::Make(gp, bounds, color, klmEqs, 1.f); |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 332 | |
Brian Salomon | 1951f3d | 2016-12-09 16:07:12 -0500 | [diff] [blame] | 333 | renderTargetContext->priv().testingOnly_addDrawOp(grPaint, GrAAType::kNone, |
| 334 | std::move(op)); |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 335 | } |
| 336 | ++col; |
| 337 | if (numCols == col) { |
| 338 | col = 0; |
| 339 | ++row; |
| 340 | } |
| 341 | } |
| 342 | } |
| 343 | } |
| 344 | |
| 345 | private: |
| 346 | // Uses the max curvature function for quads to estimate |
| 347 | // where to chop the conic. If the max curvature is not |
| 348 | // found along the curve segment it will return 1 and |
| 349 | // dst[0] is the original conic. If it returns 2 the dst[0] |
| 350 | // and dst[1] are the two new conics. |
| 351 | int split_conic(const SkPoint src[3], SkConic dst[2], const SkScalar weight) { |
| 352 | SkScalar t = SkFindQuadMaxCurvature(src); |
| 353 | if (t == 0) { |
| 354 | if (dst) { |
| 355 | dst[0].set(src, weight); |
| 356 | } |
| 357 | return 1; |
| 358 | } else { |
| 359 | if (dst) { |
| 360 | SkConic conic; |
| 361 | conic.set(src, weight); |
caryclark | 414c429 | 2016-09-26 11:03:54 -0700 | [diff] [blame] | 362 | if (!conic.chopAt(t, dst)) { |
| 363 | dst[0].set(src, weight); |
| 364 | return 1; |
| 365 | } |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 366 | } |
| 367 | return 2; |
| 368 | } |
| 369 | } |
| 370 | |
| 371 | // Calls split_conic on the entire conic and then once more on each subsection. |
| 372 | // Most cases will result in either 1 conic (chop point is not within t range) |
| 373 | // or 3 points (split once and then one subsection is split again). |
| 374 | int chop_conic(const SkPoint src[3], SkConic dst[4], const SkScalar weight) { |
| 375 | SkConic dstTemp[2]; |
| 376 | int conicCnt = split_conic(src, dstTemp, weight); |
| 377 | if (2 == conicCnt) { |
| 378 | int conicCnt2 = split_conic(dstTemp[0].fPts, dst, dstTemp[0].fW); |
| 379 | conicCnt = conicCnt2 + split_conic(dstTemp[1].fPts, &dst[conicCnt2], dstTemp[1].fW); |
| 380 | } else { |
| 381 | dst[0] = dstTemp[0]; |
| 382 | } |
| 383 | return conicCnt; |
| 384 | } |
| 385 | |
| 386 | typedef GM INHERITED; |
| 387 | }; |
| 388 | |
| 389 | ////////////////////////////////////////////////////////////////////////////// |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 390 | |
Brian Salomon | 6b316e9 | 2016-12-16 09:35:49 -0500 | [diff] [blame^] | 391 | class BezierQuadTestOp : public GrTestMeshDrawOp { |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 392 | public: |
Brian Salomon | 25a8809 | 2016-12-01 09:36:50 -0500 | [diff] [blame] | 393 | DEFINE_OP_CLASS_ID |
Brian Salomon | 6b316e9 | 2016-12-16 09:35:49 -0500 | [diff] [blame^] | 394 | const char* name() const override { return "BezierQuadTestOp"; } |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 395 | |
Brian Salomon | 6b316e9 | 2016-12-16 09:35:49 -0500 | [diff] [blame^] | 396 | static sk_sp<GrDrawOp> Make(sk_sp<GrGeometryProcessor> gp, const SkRect& bounds, GrColor color, |
| 397 | const GrPathUtils::QuadUVMatrix& devToUV) { |
| 398 | return sk_sp<GrDrawOp>(new BezierQuadTestOp(gp, bounds, color, devToUV)); |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 399 | } |
| 400 | |
| 401 | private: |
Brian Salomon | 6b316e9 | 2016-12-16 09:35:49 -0500 | [diff] [blame^] | 402 | BezierQuadTestOp(sk_sp<GrGeometryProcessor> gp, const SkRect& bounds, GrColor color, |
| 403 | const GrPathUtils::QuadUVMatrix& devToUV) |
| 404 | : INHERITED(ClassID(), bounds, color) |
| 405 | , fDevToUV(devToUV) |
| 406 | , fGeometryProcessor(std::move(gp)) {} |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 407 | |
| 408 | struct Vertex { |
| 409 | SkPoint fPosition; |
| 410 | float fKLM[4]; // The last value is ignored. The effect expects a vec4f. |
| 411 | }; |
| 412 | |
bsalomon | 342bfc2 | 2016-04-01 06:06:20 -0700 | [diff] [blame] | 413 | void onPrepareDraws(Target* target) const override { |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 414 | QuadHelper helper; |
bsalomon | 342bfc2 | 2016-04-01 06:06:20 -0700 | [diff] [blame] | 415 | size_t vertexStride = fGeometryProcessor->getVertexStride(); |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 416 | SkASSERT(vertexStride == sizeof(Vertex)); |
bsalomon | 7539856 | 2015-08-17 12:55:38 -0700 | [diff] [blame] | 417 | Vertex* verts = reinterpret_cast<Vertex*>(helper.init(target, vertexStride, 1)); |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 418 | if (!verts) { |
joshualitt | 4b31de8 | 2015-03-05 14:33:41 -0800 | [diff] [blame] | 419 | return; |
| 420 | } |
bsalomon | 342bfc2 | 2016-04-01 06:06:20 -0700 | [diff] [blame] | 421 | const SkRect& bounds = this->bounds(); |
| 422 | verts[0].fPosition.setRectFan(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 423 | sizeof(Vertex)); |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 424 | fDevToUV.apply<4, sizeof(Vertex), sizeof(SkPoint)>(verts); |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 425 | helper.recordDraw(target, fGeometryProcessor.get()); |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 426 | } |
| 427 | |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 428 | GrPathUtils::QuadUVMatrix fDevToUV; |
| 429 | sk_sp<GrGeometryProcessor> fGeometryProcessor; |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 430 | |
mtklein | dbfd7ab | 2016-09-01 11:24:54 -0700 | [diff] [blame] | 431 | static constexpr int kVertsPerCubic = 4; |
| 432 | static constexpr int kIndicesPerCubic = 6; |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 433 | |
Brian Salomon | 6b316e9 | 2016-12-16 09:35:49 -0500 | [diff] [blame^] | 434 | typedef GrTestMeshDrawOp INHERITED; |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 435 | }; |
| 436 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 437 | /** |
| 438 | * This GM directly exercises effects that draw Bezier quad curves in the GPU backend. |
| 439 | */ |
| 440 | class BezierQuadEffects : public GM { |
| 441 | public: |
| 442 | BezierQuadEffects() { |
| 443 | this->setBGColor(0xFFFFFFFF); |
| 444 | } |
| 445 | |
| 446 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 447 | SkString onShortName() override { |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 448 | return SkString("bezier_quad_effects"); |
| 449 | } |
| 450 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 451 | SkISize onISize() override { |
tfarina | f539318 | 2014-06-09 23:59:03 -0700 | [diff] [blame] | 452 | return SkISize::Make(800, 800); |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 453 | } |
| 454 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 455 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 456 | void onDraw(SkCanvas* canvas) override { |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 457 | GrRenderTargetContext* renderTargetContext = |
| 458 | canvas->internal_private_accessTopLayerRenderTargetContext(); |
| 459 | if (!renderTargetContext) { |
halcanary | 2a24338 | 2015-09-09 08:16:41 -0700 | [diff] [blame] | 460 | skiagm::GM::DrawGpuOnlyMessage(canvas); |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 461 | return; |
| 462 | } |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 463 | |
robertphillips | 175dd9b | 2016-04-28 14:32:04 -0700 | [diff] [blame] | 464 | GrContext* context = canvas->getGrContext(); |
| 465 | if (!context) { |
joshualitt | f5883a6 | 2016-01-13 07:47:38 -0800 | [diff] [blame] | 466 | return; |
| 467 | } |
| 468 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 469 | struct Vertex { |
| 470 | SkPoint fPosition; |
| 471 | float fUV[4]; // The last two values are ignored. The effect expects a vec4f. |
| 472 | }; |
| 473 | |
mtklein | dbfd7ab | 2016-09-01 11:24:54 -0700 | [diff] [blame] | 474 | constexpr int kNumQuads = 5; |
commit-bot@chromium.org | e0e7cfe | 2013-09-09 20:09:12 +0000 | [diff] [blame] | 475 | SkRandom rand; |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 476 | |
| 477 | int numCols = SkScalarCeilToInt(SkScalarSqrt(SkIntToScalar(kNumQuads*3))); |
| 478 | int numRows = SkScalarCeilToInt(SkIntToScalar(kNumQuads*3) / numCols); |
Brian Osman | 1105224 | 2016-10-27 14:47:55 -0400 | [diff] [blame] | 479 | SkScalar w = SkIntToScalar(renderTargetContext->width()) / numCols; |
| 480 | SkScalar h = SkIntToScalar(renderTargetContext->height()) / numRows; |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 481 | int row = 0; |
| 482 | int col = 0; |
mtklein | dbfd7ab | 2016-09-01 11:24:54 -0700 | [diff] [blame] | 483 | constexpr GrColor color = 0xff000000; |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 484 | |
| 485 | for (int i = 0; i < kNumQuads; ++i) { |
| 486 | SkPoint baseControlPts[] = { |
| 487 | {rand.nextRangeF(0.f, w), rand.nextRangeF(0.f, h)}, |
| 488 | {rand.nextRangeF(0.f, w), rand.nextRangeF(0.f, h)}, |
| 489 | {rand.nextRangeF(0.f, w), rand.nextRangeF(0.f, h)} |
| 490 | }; |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 491 | for(int edgeType = 0; edgeType < kGrProcessorEdgeTypeCnt; ++edgeType) { |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 492 | sk_sp<GrGeometryProcessor> gp; |
joshualitt | f5883a6 | 2016-01-13 07:47:38 -0800 | [diff] [blame] | 493 | GrPrimitiveEdgeType et = (GrPrimitiveEdgeType)edgeType; |
bungeman | 06ca8ec | 2016-06-09 08:01:03 -0700 | [diff] [blame] | 494 | gp = GrQuadEffect::Make(color, SkMatrix::I(), et, |
| 495 | *context->caps(), SkMatrix::I(), false); |
joshualitt | f5883a6 | 2016-01-13 07:47:38 -0800 | [diff] [blame] | 496 | if (!gp) { |
| 497 | continue; |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 498 | } |
| 499 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 500 | SkScalar x = SkScalarMul(col, w); |
| 501 | SkScalar y = SkScalarMul(row, h); |
| 502 | SkPoint controlPts[] = { |
| 503 | {x + baseControlPts[0].fX, y + baseControlPts[0].fY}, |
| 504 | {x + baseControlPts[1].fX, y + baseControlPts[1].fY}, |
| 505 | {x + baseControlPts[2].fX, y + baseControlPts[2].fY} |
| 506 | }; |
| 507 | SkPoint chopped[5]; |
| 508 | int cnt = SkChopQuadAtMaxCurvature(controlPts, chopped); |
| 509 | |
| 510 | SkPaint ctrlPtPaint; |
| 511 | ctrlPtPaint.setColor(rand.nextU() | 0xFF000000); |
| 512 | for (int i = 0; i < 3; ++i) { |
| 513 | canvas->drawCircle(controlPts[i].fX, controlPts[i].fY, 6.f, ctrlPtPaint); |
| 514 | } |
| 515 | |
| 516 | SkPaint polyPaint; |
| 517 | polyPaint.setColor(0xffA0A0A0); |
| 518 | polyPaint.setStrokeWidth(0); |
| 519 | polyPaint.setStyle(SkPaint::kStroke_Style); |
| 520 | canvas->drawPoints(SkCanvas::kPolygon_PointMode, 3, controlPts, polyPaint); |
| 521 | |
| 522 | SkPaint choppedPtPaint; |
| 523 | choppedPtPaint.setColor(~ctrlPtPaint.getColor() | 0xFF000000); |
| 524 | |
| 525 | for (int c = 0; c < cnt; ++c) { |
| 526 | SkPoint* pts = chopped + 2 * c; |
| 527 | |
| 528 | for (int i = 0; i < 3; ++i) { |
| 529 | canvas->drawCircle(pts[i].fX, pts[i].fY, 3.f, choppedPtPaint); |
| 530 | } |
| 531 | |
| 532 | SkRect bounds; |
| 533 | bounds.set(pts, 3); |
| 534 | |
| 535 | SkPaint boundsPaint; |
| 536 | boundsPaint.setColor(0xff808080); |
| 537 | boundsPaint.setStrokeWidth(0); |
| 538 | boundsPaint.setStyle(SkPaint::kStroke_Style); |
| 539 | canvas->drawRect(bounds, boundsPaint); |
| 540 | |
robertphillips | 28a838e | 2016-06-23 14:07:00 -0700 | [diff] [blame] | 541 | GrPaint grPaint; |
Mike Reed | 7d954ad | 2016-10-28 15:42:34 -0400 | [diff] [blame] | 542 | grPaint.setXPFactory(GrPorterDuffXPFactory::Make(SkBlendMode::kSrc)); |
joshualitt | 3f284d7 | 2015-02-11 11:34:58 -0800 | [diff] [blame] | 543 | |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 544 | GrPathUtils::QuadUVMatrix DevToUV(pts); |
| 545 | |
Brian Salomon | 6b316e9 | 2016-12-16 09:35:49 -0500 | [diff] [blame^] | 546 | sk_sp<GrDrawOp> op = BezierQuadTestOp::Make(gp, bounds, color, DevToUV); |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 547 | |
Brian Salomon | 1951f3d | 2016-12-09 16:07:12 -0500 | [diff] [blame] | 548 | renderTargetContext->priv().testingOnly_addDrawOp(grPaint, GrAAType::kNone, |
| 549 | std::move(op)); |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 550 | } |
| 551 | ++col; |
| 552 | if (numCols == col) { |
| 553 | col = 0; |
| 554 | ++row; |
| 555 | } |
| 556 | } |
| 557 | } |
| 558 | } |
| 559 | |
| 560 | private: |
| 561 | typedef GM INHERITED; |
| 562 | }; |
| 563 | |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 564 | DEF_GM(return new BezierCubicEffects;) |
| 565 | DEF_GM(return new BezierConicEffects;) |
| 566 | DEF_GM(return new BezierQuadEffects;) |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 567 | } |
| 568 | |
| 569 | #endif |