commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 1 | |
| 2 | /* |
| 3 | * Copyright 2013 Google Inc. |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
| 7 | */ |
| 8 | |
| 9 | // This test only works with the GPU backend. |
| 10 | |
| 11 | #include "gm.h" |
| 12 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 13 | #if SK_SUPPORT_GPU |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 14 | |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 15 | #include "GrBatchTarget.h" |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 16 | #include "GrContext.h" |
| 17 | #include "GrPathUtils.h" |
| 18 | #include "GrTest.h" |
| 19 | #include "SkColorPriv.h" |
| 20 | #include "SkDevice.h" |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 21 | #include "SkGeometry.h" |
| 22 | |
joshualitt | 2771b56 | 2015-08-07 12:46:26 -0700 | [diff] [blame^] | 23 | #include "batches/GrTestBatch.h" |
| 24 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 25 | #include "effects/GrBezierEffect.h" |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 26 | |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 27 | static inline SkScalar eval_line(const SkPoint& p, const SkScalar lineEq[3], SkScalar sign) { |
| 28 | return sign * (lineEq[0] * p.fX + lineEq[1] * p.fY + lineEq[2]); |
| 29 | } |
| 30 | |
| 31 | namespace skiagm { |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 32 | |
| 33 | class BezierCubicOrConicTestBatch : public GrTestBatch { |
| 34 | public: |
| 35 | struct Geometry : public GrTestBatch::Geometry { |
| 36 | SkRect fBounds; |
| 37 | }; |
| 38 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 39 | const char* name() const override { return "BezierCubicOrConicTestBatch"; } |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 40 | |
| 41 | static GrBatch* Create(const GrGeometryProcessor* gp, const Geometry& geo, |
| 42 | const SkScalar klmEqs[9], SkScalar sign) { |
| 43 | return SkNEW_ARGS(BezierCubicOrConicTestBatch, (gp, geo, klmEqs, sign)); |
| 44 | } |
| 45 | |
| 46 | private: |
| 47 | BezierCubicOrConicTestBatch(const GrGeometryProcessor* gp, const Geometry& geo, |
| 48 | const SkScalar klmEqs[9], SkScalar sign) |
joshualitt | 99c7c07 | 2015-05-01 13:43:30 -0700 | [diff] [blame] | 49 | : INHERITED(gp, geo.fBounds) { |
joshualitt | dbe1e6f | 2015-07-16 08:12:45 -0700 | [diff] [blame] | 50 | this->initClassID<BezierCubicOrConicTestBatch>(); |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 51 | for (int i = 0; i < 9; i++) { |
| 52 | fKlmEqs[i] = klmEqs[i]; |
| 53 | } |
| 54 | |
| 55 | fGeometry = geo; |
| 56 | fSign = sign; |
| 57 | } |
| 58 | |
| 59 | struct Vertex { |
| 60 | SkPoint fPosition; |
| 61 | float fKLM[4]; // The last value is ignored. The effect expects a vec4f. |
| 62 | }; |
| 63 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 64 | Geometry* geoData(int index) override { |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 65 | SkASSERT(0 == index); |
| 66 | return &fGeometry; |
| 67 | } |
| 68 | |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 69 | const Geometry* geoData(int index) const override { |
| 70 | SkASSERT(0 == index); |
| 71 | return &fGeometry; |
| 72 | } |
| 73 | |
bsalomon | fb1141a | 2015-08-06 08:52:49 -0700 | [diff] [blame] | 74 | void onGenerateGeometry(GrBatchTarget* batchTarget) override { |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 75 | QuadHelper helper; |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame] | 76 | size_t vertexStride = this->geometryProcessor()->getVertexStride(); |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 77 | SkASSERT(vertexStride == sizeof(Vertex)); |
| 78 | Vertex* verts = reinterpret_cast<Vertex*>(helper.init(batchTarget, vertexStride, 1)); |
| 79 | if (!verts) { |
joshualitt | 4b31de8 | 2015-03-05 14:33:41 -0800 | [diff] [blame] | 80 | return; |
| 81 | } |
| 82 | |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 83 | verts[0].fPosition.setRectFan(fGeometry.fBounds.fLeft, fGeometry.fBounds.fTop, |
| 84 | fGeometry.fBounds.fRight, fGeometry.fBounds.fBottom, |
| 85 | sizeof(Vertex)); |
| 86 | for (int v = 0; v < 4; ++v) { |
| 87 | verts[v].fKLM[0] = eval_line(verts[v].fPosition, fKlmEqs + 0, fSign); |
| 88 | verts[v].fKLM[1] = eval_line(verts[v].fPosition, fKlmEqs + 3, fSign); |
| 89 | verts[v].fKLM[2] = eval_line(verts[v].fPosition, fKlmEqs + 6, 1.f); |
| 90 | } |
bsalomon | e64eb57 | 2015-05-07 11:35:55 -0700 | [diff] [blame] | 91 | helper.issueDraw(batchTarget); |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 92 | } |
| 93 | |
| 94 | Geometry fGeometry; |
| 95 | SkScalar fKlmEqs[9]; |
| 96 | SkScalar fSign; |
| 97 | |
| 98 | static const int kVertsPerCubic = 4; |
| 99 | static const int kIndicesPerCubic = 6; |
| 100 | |
| 101 | typedef GrTestBatch INHERITED; |
| 102 | }; |
| 103 | |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 104 | /** |
| 105 | * This GM directly exercises effects that draw Bezier curves in the GPU backend. |
| 106 | */ |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 107 | class BezierCubicEffects : public GM { |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 108 | public: |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 109 | BezierCubicEffects() { |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 110 | this->setBGColor(0xFFFFFFFF); |
| 111 | } |
| 112 | |
| 113 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 114 | SkString onShortName() override { |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 115 | return SkString("bezier_cubic_effects"); |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 116 | } |
| 117 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 118 | SkISize onISize() override { |
tfarina | f539318 | 2014-06-09 23:59:03 -0700 | [diff] [blame] | 119 | return SkISize::Make(800, 800); |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 120 | } |
| 121 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 122 | void onDraw(SkCanvas* canvas) override { |
reed@google.com | 9c135db | 2014-03-12 18:28:35 +0000 | [diff] [blame] | 123 | GrRenderTarget* rt = canvas->internal_private_accessTopLayerRenderTarget(); |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 124 | if (NULL == rt) { |
bsalomon | b62da80 | 2015-01-31 07:51:14 -0800 | [diff] [blame] | 125 | this->drawGpuOnlyMessage(canvas); |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 126 | return; |
| 127 | } |
| 128 | GrContext* context = rt->getContext(); |
| 129 | if (NULL == context) { |
| 130 | return; |
| 131 | } |
| 132 | |
| 133 | struct Vertex { |
| 134 | SkPoint fPosition; |
| 135 | float fKLM[4]; // The last value is ignored. The effect expects a vec4f. |
| 136 | }; |
| 137 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 138 | static const int kNumCubics = 15; |
commit-bot@chromium.org | e0e7cfe | 2013-09-09 20:09:12 +0000 | [diff] [blame] | 139 | SkRandom rand; |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 140 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 141 | // Mult by 3 for each edge effect type |
| 142 | int numCols = SkScalarCeilToInt(SkScalarSqrt(SkIntToScalar(kNumCubics*3))); |
| 143 | int numRows = SkScalarCeilToInt(SkIntToScalar(kNumCubics*3) / numCols); |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 144 | SkScalar w = SkIntToScalar(rt->width()) / numCols; |
| 145 | SkScalar h = SkIntToScalar(rt->height()) / numRows; |
| 146 | int row = 0; |
| 147 | int col = 0; |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 148 | static const GrColor color = 0xff000000; |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 149 | |
| 150 | for (int i = 0; i < kNumCubics; ++i) { |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 151 | SkPoint baseControlPts[] = { |
| 152 | {rand.nextRangeF(0.f, w), rand.nextRangeF(0.f, h)}, |
| 153 | {rand.nextRangeF(0.f, w), rand.nextRangeF(0.f, h)}, |
| 154 | {rand.nextRangeF(0.f, w), rand.nextRangeF(0.f, h)}, |
| 155 | {rand.nextRangeF(0.f, w), rand.nextRangeF(0.f, h)} |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 156 | }; |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 157 | for(int edgeType = 0; edgeType < kGrProcessorEdgeTypeCnt; ++edgeType) { |
| 158 | SkAutoTUnref<GrGeometryProcessor> gp; |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 159 | { // scope to contain GrTestTarget |
| 160 | GrTestTarget tt; |
| 161 | context->getTestTarget(&tt); |
| 162 | if (NULL == tt.target()) { |
| 163 | continue; |
| 164 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 165 | GrPrimitiveEdgeType et = (GrPrimitiveEdgeType)edgeType; |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 166 | gp.reset(GrCubicEffect::Create(color, SkMatrix::I(), et, |
joshualitt | 8059eb9 | 2014-12-29 15:10:07 -0800 | [diff] [blame] | 167 | *tt.target()->caps())); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 168 | if (!gp) { |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 169 | continue; |
| 170 | } |
| 171 | } |
| 172 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 173 | SkScalar x = SkScalarMul(col, w); |
| 174 | SkScalar y = SkScalarMul(row, h); |
| 175 | SkPoint controlPts[] = { |
| 176 | {x + baseControlPts[0].fX, y + baseControlPts[0].fY}, |
| 177 | {x + baseControlPts[1].fX, y + baseControlPts[1].fY}, |
| 178 | {x + baseControlPts[2].fX, y + baseControlPts[2].fY}, |
| 179 | {x + baseControlPts[3].fX, y + baseControlPts[3].fY} |
| 180 | }; |
| 181 | SkPoint chopped[10]; |
| 182 | SkScalar klmEqs[9]; |
| 183 | SkScalar klmSigns[3]; |
| 184 | int cnt = GrPathUtils::chopCubicAtLoopIntersection(controlPts, |
| 185 | chopped, |
| 186 | klmEqs, |
| 187 | klmSigns); |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 188 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 189 | SkPaint ctrlPtPaint; |
| 190 | ctrlPtPaint.setColor(rand.nextU() | 0xFF000000); |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 191 | for (int i = 0; i < 4; ++i) { |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 192 | 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] | 193 | } |
| 194 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 195 | SkPaint polyPaint; |
| 196 | polyPaint.setColor(0xffA0A0A0); |
| 197 | polyPaint.setStrokeWidth(0); |
| 198 | polyPaint.setStyle(SkPaint::kStroke_Style); |
| 199 | canvas->drawPoints(SkCanvas::kPolygon_PointMode, 4, controlPts, polyPaint); |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 200 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 201 | SkPaint choppedPtPaint; |
| 202 | choppedPtPaint.setColor(~ctrlPtPaint.getColor() | 0xFF000000); |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 203 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 204 | for (int c = 0; c < cnt; ++c) { |
| 205 | SkPoint* pts = chopped + 3 * c; |
| 206 | |
| 207 | for (int i = 0; i < 4; ++i) { |
| 208 | canvas->drawCircle(pts[i].fX, pts[i].fY, 3.f, choppedPtPaint); |
| 209 | } |
| 210 | |
| 211 | SkRect bounds; |
| 212 | bounds.set(pts, 4); |
| 213 | |
| 214 | SkPaint boundsPaint; |
| 215 | boundsPaint.setColor(0xff808080); |
| 216 | boundsPaint.setStrokeWidth(0); |
| 217 | boundsPaint.setStyle(SkPaint::kStroke_Style); |
| 218 | canvas->drawRect(bounds, boundsPaint); |
| 219 | |
joshualitt | 50408ad | 2014-11-03 12:31:14 -0800 | [diff] [blame] | 220 | GrTestTarget tt; |
| 221 | context->getTestTarget(&tt); |
| 222 | SkASSERT(tt.target()); |
| 223 | |
egdaniel | 8dd688b | 2015-01-22 10:16:09 -0800 | [diff] [blame] | 224 | GrPipelineBuilder pipelineBuilder; |
egdaniel | 8dd688b | 2015-01-22 10:16:09 -0800 | [diff] [blame] | 225 | pipelineBuilder.setRenderTarget(rt); |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 226 | |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 227 | BezierCubicOrConicTestBatch::Geometry geometry; |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 228 | geometry.fColor = color; |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 229 | geometry.fBounds = bounds; |
| 230 | |
joshualitt | 44701df | 2015-02-23 14:44:57 -0800 | [diff] [blame] | 231 | SkAutoTUnref<GrBatch> batch( |
| 232 | BezierCubicOrConicTestBatch::Create(gp, geometry, klmEqs, klmSigns[c])); |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 233 | |
joshualitt | 1c73548 | 2015-07-13 08:08:25 -0700 | [diff] [blame] | 234 | tt.target()->drawBatch(pipelineBuilder, batch); |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 235 | } |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 236 | ++col; |
| 237 | if (numCols == col) { |
| 238 | col = 0; |
| 239 | ++row; |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 240 | } |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 241 | } |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | private: |
| 246 | typedef GM INHERITED; |
| 247 | }; |
| 248 | |
| 249 | ////////////////////////////////////////////////////////////////////////////// |
| 250 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 251 | /** |
| 252 | * This GM directly exercises effects that draw Bezier curves in the GPU backend. |
| 253 | */ |
| 254 | class BezierConicEffects : public GM { |
| 255 | public: |
| 256 | BezierConicEffects() { |
| 257 | this->setBGColor(0xFFFFFFFF); |
| 258 | } |
| 259 | |
| 260 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 261 | SkString onShortName() override { |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 262 | return SkString("bezier_conic_effects"); |
| 263 | } |
| 264 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 265 | SkISize onISize() override { |
tfarina | f539318 | 2014-06-09 23:59:03 -0700 | [diff] [blame] | 266 | return SkISize::Make(800, 800); |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 267 | } |
| 268 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 269 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 270 | void onDraw(SkCanvas* canvas) override { |
reed@google.com | 9c135db | 2014-03-12 18:28:35 +0000 | [diff] [blame] | 271 | GrRenderTarget* rt = canvas->internal_private_accessTopLayerRenderTarget(); |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 272 | if (NULL == rt) { |
bsalomon | b62da80 | 2015-01-31 07:51:14 -0800 | [diff] [blame] | 273 | this->drawGpuOnlyMessage(canvas); |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 274 | return; |
| 275 | } |
| 276 | GrContext* context = rt->getContext(); |
| 277 | if (NULL == context) { |
| 278 | return; |
| 279 | } |
| 280 | |
| 281 | struct Vertex { |
| 282 | SkPoint fPosition; |
| 283 | float fKLM[4]; // The last value is ignored. The effect expects a vec4f. |
| 284 | }; |
| 285 | |
| 286 | static const int kNumConics = 10; |
commit-bot@chromium.org | e0e7cfe | 2013-09-09 20:09:12 +0000 | [diff] [blame] | 287 | SkRandom rand; |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 288 | |
| 289 | // Mult by 3 for each edge effect type |
| 290 | int numCols = SkScalarCeilToInt(SkScalarSqrt(SkIntToScalar(kNumConics*3))); |
| 291 | int numRows = SkScalarCeilToInt(SkIntToScalar(kNumConics*3) / numCols); |
| 292 | SkScalar w = SkIntToScalar(rt->width()) / numCols; |
| 293 | SkScalar h = SkIntToScalar(rt->height()) / numRows; |
| 294 | int row = 0; |
| 295 | int col = 0; |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 296 | static const GrColor color = 0xff000000; |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 297 | |
| 298 | for (int i = 0; i < kNumConics; ++i) { |
| 299 | SkPoint baseControlPts[] = { |
| 300 | {rand.nextRangeF(0.f, w), rand.nextRangeF(0.f, h)}, |
| 301 | {rand.nextRangeF(0.f, w), rand.nextRangeF(0.f, h)}, |
| 302 | {rand.nextRangeF(0.f, w), rand.nextRangeF(0.f, h)} |
| 303 | }; |
| 304 | SkScalar weight = rand.nextRangeF(0.f, 2.f); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 305 | for(int edgeType = 0; edgeType < kGrProcessorEdgeTypeCnt; ++edgeType) { |
| 306 | SkAutoTUnref<GrGeometryProcessor> gp; |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 307 | { // scope to contain GrTestTarget |
| 308 | GrTestTarget tt; |
| 309 | context->getTestTarget(&tt); |
| 310 | if (NULL == tt.target()) { |
| 311 | continue; |
| 312 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 313 | GrPrimitiveEdgeType et = (GrPrimitiveEdgeType)edgeType; |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 314 | gp.reset(GrConicEffect::Create(color, SkMatrix::I(), et, |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 315 | *tt.target()->caps(), SkMatrix::I(), false)); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 316 | if (!gp) { |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 317 | continue; |
| 318 | } |
| 319 | } |
| 320 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 321 | SkScalar x = SkScalarMul(col, w); |
| 322 | SkScalar y = SkScalarMul(row, h); |
| 323 | SkPoint controlPts[] = { |
| 324 | {x + baseControlPts[0].fX, y + baseControlPts[0].fY}, |
| 325 | {x + baseControlPts[1].fX, y + baseControlPts[1].fY}, |
| 326 | {x + baseControlPts[2].fX, y + baseControlPts[2].fY} |
| 327 | }; |
| 328 | SkConic dst[4]; |
| 329 | SkScalar klmEqs[9]; |
| 330 | int cnt = chop_conic(controlPts, dst, weight); |
| 331 | GrPathUtils::getConicKLM(controlPts, weight, klmEqs); |
| 332 | |
| 333 | SkPaint ctrlPtPaint; |
| 334 | ctrlPtPaint.setColor(rand.nextU() | 0xFF000000); |
| 335 | for (int i = 0; i < 3; ++i) { |
| 336 | canvas->drawCircle(controlPts[i].fX, controlPts[i].fY, 6.f, ctrlPtPaint); |
| 337 | } |
| 338 | |
| 339 | SkPaint polyPaint; |
| 340 | polyPaint.setColor(0xffA0A0A0); |
| 341 | polyPaint.setStrokeWidth(0); |
| 342 | polyPaint.setStyle(SkPaint::kStroke_Style); |
| 343 | canvas->drawPoints(SkCanvas::kPolygon_PointMode, 3, controlPts, polyPaint); |
| 344 | |
| 345 | SkPaint choppedPtPaint; |
| 346 | choppedPtPaint.setColor(~ctrlPtPaint.getColor() | 0xFF000000); |
| 347 | |
| 348 | for (int c = 0; c < cnt; ++c) { |
| 349 | SkPoint* pts = dst[c].fPts; |
| 350 | for (int i = 0; i < 3; ++i) { |
| 351 | canvas->drawCircle(pts[i].fX, pts[i].fY, 3.f, choppedPtPaint); |
| 352 | } |
| 353 | |
| 354 | SkRect bounds; |
| 355 | //SkPoint bPts[] = {{0.f, 0.f}, {800.f, 800.f}}; |
| 356 | //bounds.set(bPts, 2); |
| 357 | bounds.set(pts, 3); |
| 358 | |
| 359 | SkPaint boundsPaint; |
| 360 | boundsPaint.setColor(0xff808080); |
| 361 | boundsPaint.setStrokeWidth(0); |
| 362 | boundsPaint.setStyle(SkPaint::kStroke_Style); |
| 363 | canvas->drawRect(bounds, boundsPaint); |
| 364 | |
joshualitt | 50408ad | 2014-11-03 12:31:14 -0800 | [diff] [blame] | 365 | GrTestTarget tt; |
| 366 | context->getTestTarget(&tt); |
| 367 | SkASSERT(tt.target()); |
| 368 | |
egdaniel | 8dd688b | 2015-01-22 10:16:09 -0800 | [diff] [blame] | 369 | GrPipelineBuilder pipelineBuilder; |
egdaniel | 8dd688b | 2015-01-22 10:16:09 -0800 | [diff] [blame] | 370 | pipelineBuilder.setRenderTarget(rt); |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 371 | |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 372 | BezierCubicOrConicTestBatch::Geometry geometry; |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 373 | geometry.fColor = color; |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 374 | geometry.fBounds = bounds; |
| 375 | |
joshualitt | 44701df | 2015-02-23 14:44:57 -0800 | [diff] [blame] | 376 | SkAutoTUnref<GrBatch> batch( |
| 377 | BezierCubicOrConicTestBatch::Create(gp, geometry, klmEqs, 1.f)); |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 378 | |
joshualitt | 1c73548 | 2015-07-13 08:08:25 -0700 | [diff] [blame] | 379 | tt.target()->drawBatch(pipelineBuilder, batch); |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 380 | } |
| 381 | ++col; |
| 382 | if (numCols == col) { |
| 383 | col = 0; |
| 384 | ++row; |
| 385 | } |
| 386 | } |
| 387 | } |
| 388 | } |
| 389 | |
| 390 | private: |
| 391 | // Uses the max curvature function for quads to estimate |
| 392 | // where to chop the conic. If the max curvature is not |
| 393 | // found along the curve segment it will return 1 and |
| 394 | // dst[0] is the original conic. If it returns 2 the dst[0] |
| 395 | // and dst[1] are the two new conics. |
| 396 | int split_conic(const SkPoint src[3], SkConic dst[2], const SkScalar weight) { |
| 397 | SkScalar t = SkFindQuadMaxCurvature(src); |
| 398 | if (t == 0) { |
| 399 | if (dst) { |
| 400 | dst[0].set(src, weight); |
| 401 | } |
| 402 | return 1; |
| 403 | } else { |
| 404 | if (dst) { |
| 405 | SkConic conic; |
| 406 | conic.set(src, weight); |
| 407 | conic.chopAt(t, dst); |
| 408 | } |
| 409 | return 2; |
| 410 | } |
| 411 | } |
| 412 | |
| 413 | // Calls split_conic on the entire conic and then once more on each subsection. |
| 414 | // Most cases will result in either 1 conic (chop point is not within t range) |
| 415 | // or 3 points (split once and then one subsection is split again). |
| 416 | int chop_conic(const SkPoint src[3], SkConic dst[4], const SkScalar weight) { |
| 417 | SkConic dstTemp[2]; |
| 418 | int conicCnt = split_conic(src, dstTemp, weight); |
| 419 | if (2 == conicCnt) { |
| 420 | int conicCnt2 = split_conic(dstTemp[0].fPts, dst, dstTemp[0].fW); |
| 421 | conicCnt = conicCnt2 + split_conic(dstTemp[1].fPts, &dst[conicCnt2], dstTemp[1].fW); |
| 422 | } else { |
| 423 | dst[0] = dstTemp[0]; |
| 424 | } |
| 425 | return conicCnt; |
| 426 | } |
| 427 | |
| 428 | typedef GM INHERITED; |
| 429 | }; |
| 430 | |
| 431 | ////////////////////////////////////////////////////////////////////////////// |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 432 | |
| 433 | class BezierQuadTestBatch : public GrTestBatch { |
| 434 | public: |
| 435 | struct Geometry : public GrTestBatch::Geometry { |
| 436 | SkRect fBounds; |
| 437 | }; |
| 438 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 439 | const char* name() const override { return "BezierQuadTestBatch"; } |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 440 | |
| 441 | static GrBatch* Create(const GrGeometryProcessor* gp, const Geometry& geo, |
| 442 | const GrPathUtils::QuadUVMatrix& devToUV) { |
| 443 | return SkNEW_ARGS(BezierQuadTestBatch, (gp, geo, devToUV)); |
| 444 | } |
| 445 | |
| 446 | private: |
| 447 | BezierQuadTestBatch(const GrGeometryProcessor* gp, const Geometry& geo, |
| 448 | const GrPathUtils::QuadUVMatrix& devToUV) |
joshualitt | 99c7c07 | 2015-05-01 13:43:30 -0700 | [diff] [blame] | 449 | : INHERITED(gp, geo.fBounds) |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 450 | , fGeometry(geo) |
| 451 | , fDevToUV(devToUV) { |
joshualitt | dbe1e6f | 2015-07-16 08:12:45 -0700 | [diff] [blame] | 452 | this->initClassID<BezierQuadTestBatch>(); |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 453 | } |
| 454 | |
| 455 | struct Vertex { |
| 456 | SkPoint fPosition; |
| 457 | float fKLM[4]; // The last value is ignored. The effect expects a vec4f. |
| 458 | }; |
| 459 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 460 | Geometry* geoData(int index) override { |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 461 | SkASSERT(0 == index); |
| 462 | return &fGeometry; |
| 463 | } |
| 464 | |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 465 | const Geometry* geoData(int index) const override { |
| 466 | SkASSERT(0 == index); |
| 467 | return &fGeometry; |
| 468 | } |
| 469 | |
bsalomon | fb1141a | 2015-08-06 08:52:49 -0700 | [diff] [blame] | 470 | void onGenerateGeometry(GrBatchTarget* batchTarget) override { |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 471 | QuadHelper helper; |
bsalomon | ed0bcad | 2015-05-04 10:36:42 -0700 | [diff] [blame] | 472 | size_t vertexStride = this->geometryProcessor()->getVertexStride(); |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 473 | SkASSERT(vertexStride == sizeof(Vertex)); |
bsalomon | b5238a7 | 2015-05-05 07:49:49 -0700 | [diff] [blame] | 474 | Vertex* verts = reinterpret_cast<Vertex*>(helper.init(batchTarget, vertexStride, 1)); |
| 475 | if (!verts) { |
joshualitt | 4b31de8 | 2015-03-05 14:33:41 -0800 | [diff] [blame] | 476 | return; |
| 477 | } |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 478 | verts[0].fPosition.setRectFan(fGeometry.fBounds.fLeft, fGeometry.fBounds.fTop, |
| 479 | fGeometry.fBounds.fRight, fGeometry.fBounds.fBottom, |
| 480 | sizeof(Vertex)); |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 481 | fDevToUV.apply<4, sizeof(Vertex), sizeof(SkPoint)>(verts); |
bsalomon | e64eb57 | 2015-05-07 11:35:55 -0700 | [diff] [blame] | 482 | helper.issueDraw(batchTarget); |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 483 | } |
| 484 | |
| 485 | Geometry fGeometry; |
| 486 | GrPathUtils::QuadUVMatrix fDevToUV; |
| 487 | |
| 488 | static const int kVertsPerCubic = 4; |
| 489 | static const int kIndicesPerCubic = 6; |
| 490 | |
| 491 | typedef GrTestBatch INHERITED; |
| 492 | }; |
| 493 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 494 | /** |
| 495 | * This GM directly exercises effects that draw Bezier quad curves in the GPU backend. |
| 496 | */ |
| 497 | class BezierQuadEffects : public GM { |
| 498 | public: |
| 499 | BezierQuadEffects() { |
| 500 | this->setBGColor(0xFFFFFFFF); |
| 501 | } |
| 502 | |
| 503 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 504 | SkString onShortName() override { |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 505 | return SkString("bezier_quad_effects"); |
| 506 | } |
| 507 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 508 | SkISize onISize() override { |
tfarina | f539318 | 2014-06-09 23:59:03 -0700 | [diff] [blame] | 509 | return SkISize::Make(800, 800); |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 510 | } |
| 511 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 512 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 513 | void onDraw(SkCanvas* canvas) override { |
reed@google.com | 9c135db | 2014-03-12 18:28:35 +0000 | [diff] [blame] | 514 | GrRenderTarget* rt = canvas->internal_private_accessTopLayerRenderTarget(); |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 515 | if (NULL == rt) { |
bsalomon | b62da80 | 2015-01-31 07:51:14 -0800 | [diff] [blame] | 516 | this->drawGpuOnlyMessage(canvas); |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 517 | return; |
| 518 | } |
| 519 | GrContext* context = rt->getContext(); |
| 520 | if (NULL == context) { |
| 521 | return; |
| 522 | } |
| 523 | |
| 524 | struct Vertex { |
| 525 | SkPoint fPosition; |
| 526 | float fUV[4]; // The last two values are ignored. The effect expects a vec4f. |
| 527 | }; |
| 528 | |
| 529 | static const int kNumQuads = 5; |
commit-bot@chromium.org | e0e7cfe | 2013-09-09 20:09:12 +0000 | [diff] [blame] | 530 | SkRandom rand; |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 531 | |
| 532 | int numCols = SkScalarCeilToInt(SkScalarSqrt(SkIntToScalar(kNumQuads*3))); |
| 533 | int numRows = SkScalarCeilToInt(SkIntToScalar(kNumQuads*3) / numCols); |
| 534 | SkScalar w = SkIntToScalar(rt->width()) / numCols; |
| 535 | SkScalar h = SkIntToScalar(rt->height()) / numRows; |
| 536 | int row = 0; |
| 537 | int col = 0; |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 538 | static const GrColor color = 0xff000000; |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 539 | |
| 540 | for (int i = 0; i < kNumQuads; ++i) { |
| 541 | SkPoint baseControlPts[] = { |
| 542 | {rand.nextRangeF(0.f, w), rand.nextRangeF(0.f, h)}, |
| 543 | {rand.nextRangeF(0.f, w), rand.nextRangeF(0.f, h)}, |
| 544 | {rand.nextRangeF(0.f, w), rand.nextRangeF(0.f, h)} |
| 545 | }; |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 546 | for(int edgeType = 0; edgeType < kGrProcessorEdgeTypeCnt; ++edgeType) { |
| 547 | SkAutoTUnref<GrGeometryProcessor> gp; |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 548 | { // scope to contain GrTestTarget |
| 549 | GrTestTarget tt; |
| 550 | context->getTestTarget(&tt); |
| 551 | if (NULL == tt.target()) { |
| 552 | continue; |
| 553 | } |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 554 | GrPrimitiveEdgeType et = (GrPrimitiveEdgeType)edgeType; |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 555 | gp.reset(GrQuadEffect::Create(color, SkMatrix::I(), et, |
joshualitt | b8c241a | 2015-05-19 08:23:30 -0700 | [diff] [blame] | 556 | *tt.target()->caps(), SkMatrix::I(), false)); |
joshualitt | b0a8a37 | 2014-09-23 09:50:21 -0700 | [diff] [blame] | 557 | if (!gp) { |
commit-bot@chromium.org | cabf4b2 | 2014-03-05 18:27:43 +0000 | [diff] [blame] | 558 | continue; |
| 559 | } |
| 560 | } |
| 561 | |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 562 | SkScalar x = SkScalarMul(col, w); |
| 563 | SkScalar y = SkScalarMul(row, h); |
| 564 | SkPoint controlPts[] = { |
| 565 | {x + baseControlPts[0].fX, y + baseControlPts[0].fY}, |
| 566 | {x + baseControlPts[1].fX, y + baseControlPts[1].fY}, |
| 567 | {x + baseControlPts[2].fX, y + baseControlPts[2].fY} |
| 568 | }; |
| 569 | SkPoint chopped[5]; |
| 570 | int cnt = SkChopQuadAtMaxCurvature(controlPts, chopped); |
| 571 | |
| 572 | SkPaint ctrlPtPaint; |
| 573 | ctrlPtPaint.setColor(rand.nextU() | 0xFF000000); |
| 574 | for (int i = 0; i < 3; ++i) { |
| 575 | canvas->drawCircle(controlPts[i].fX, controlPts[i].fY, 6.f, ctrlPtPaint); |
| 576 | } |
| 577 | |
| 578 | SkPaint polyPaint; |
| 579 | polyPaint.setColor(0xffA0A0A0); |
| 580 | polyPaint.setStrokeWidth(0); |
| 581 | polyPaint.setStyle(SkPaint::kStroke_Style); |
| 582 | canvas->drawPoints(SkCanvas::kPolygon_PointMode, 3, controlPts, polyPaint); |
| 583 | |
| 584 | SkPaint choppedPtPaint; |
| 585 | choppedPtPaint.setColor(~ctrlPtPaint.getColor() | 0xFF000000); |
| 586 | |
| 587 | for (int c = 0; c < cnt; ++c) { |
| 588 | SkPoint* pts = chopped + 2 * c; |
| 589 | |
| 590 | for (int i = 0; i < 3; ++i) { |
| 591 | canvas->drawCircle(pts[i].fX, pts[i].fY, 3.f, choppedPtPaint); |
| 592 | } |
| 593 | |
| 594 | SkRect bounds; |
| 595 | bounds.set(pts, 3); |
| 596 | |
| 597 | SkPaint boundsPaint; |
| 598 | boundsPaint.setColor(0xff808080); |
| 599 | boundsPaint.setStrokeWidth(0); |
| 600 | boundsPaint.setStyle(SkPaint::kStroke_Style); |
| 601 | canvas->drawRect(bounds, boundsPaint); |
| 602 | |
joshualitt | 50408ad | 2014-11-03 12:31:14 -0800 | [diff] [blame] | 603 | GrTestTarget tt; |
| 604 | context->getTestTarget(&tt); |
| 605 | SkASSERT(tt.target()); |
| 606 | |
egdaniel | 8dd688b | 2015-01-22 10:16:09 -0800 | [diff] [blame] | 607 | GrPipelineBuilder pipelineBuilder; |
joshualitt | 94dff15 | 2015-02-11 13:03:15 -0800 | [diff] [blame] | 608 | pipelineBuilder.setRenderTarget(rt); |
joshualitt | 3f284d7 | 2015-02-11 11:34:58 -0800 | [diff] [blame] | 609 | |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 610 | GrPathUtils::QuadUVMatrix DevToUV(pts); |
| 611 | |
| 612 | BezierQuadTestBatch::Geometry geometry; |
joshualitt | 88c23fc | 2015-05-13 14:18:07 -0700 | [diff] [blame] | 613 | geometry.fColor = color; |
joshualitt | 95964c6 | 2015-02-11 13:45:50 -0800 | [diff] [blame] | 614 | geometry.fBounds = bounds; |
| 615 | |
| 616 | SkAutoTUnref<GrBatch> batch(BezierQuadTestBatch::Create(gp, geometry, DevToUV)); |
| 617 | |
joshualitt | 1c73548 | 2015-07-13 08:08:25 -0700 | [diff] [blame] | 618 | tt.target()->drawBatch(pipelineBuilder, batch); |
commit-bot@chromium.org | 53a0b6c | 2013-08-23 18:05:01 +0000 | [diff] [blame] | 619 | } |
| 620 | ++col; |
| 621 | if (numCols == col) { |
| 622 | col = 0; |
| 623 | ++row; |
| 624 | } |
| 625 | } |
| 626 | } |
| 627 | } |
| 628 | |
| 629 | private: |
| 630 | typedef GM INHERITED; |
| 631 | }; |
| 632 | |
| 633 | DEF_GM( return SkNEW(BezierCubicEffects); ) |
| 634 | DEF_GM( return SkNEW(BezierConicEffects); ) |
| 635 | DEF_GM( return SkNEW(BezierQuadEffects); ) |
commit-bot@chromium.org | 78a1078 | 2013-08-21 19:27:48 +0000 | [diff] [blame] | 636 | |
| 637 | } |
| 638 | |
| 639 | #endif |