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