mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +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 | #include "gm.h" |
| 9 | #include "SkCanvas.h" |
bsalomon | 093779c | 2016-03-08 11:53:31 -0800 | [diff] [blame] | 10 | #include "SkColorFilter.h" |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 11 | #include "SkGradientShader.h" |
mike@reedtribe.org | 2c326b7 | 2013-12-30 04:20:38 +0000 | [diff] [blame] | 12 | #include "SkRandom.h" |
Brian Salomon | 199fb87 | 2017-02-06 09:41:10 -0500 | [diff] [blame] | 13 | #include "SkVertices.h" |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 14 | |
Brian Salomon | 3f36369 | 2017-02-02 21:05:19 -0500 | [diff] [blame] | 15 | static constexpr SkScalar kShaderSize = 40; |
| 16 | static sk_sp<SkShader> make_shader1() { |
reed@google.com | 85e143c | 2013-12-30 15:51:25 +0000 | [diff] [blame] | 17 | const SkColor colors[] = { |
| 18 | SK_ColorRED, SK_ColorCYAN, SK_ColorGREEN, SK_ColorWHITE, |
| 19 | SK_ColorMAGENTA, SK_ColorBLUE, SK_ColorYELLOW, |
| 20 | }; |
Brian Salomon | 3f36369 | 2017-02-02 21:05:19 -0500 | [diff] [blame] | 21 | const SkPoint pts[] = {{kShaderSize / 4, 0}, {3 * kShaderSize / 4, kShaderSize}}; |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 22 | |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 23 | return SkGradientShader::MakeLinear(pts, colors, nullptr, SK_ARRAY_COUNT(colors), |
| 24 | SkShader::kMirror_TileMode); |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 25 | } |
| 26 | |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 27 | static sk_sp<SkShader> make_shader2() { |
| 28 | return SkShader::MakeColorShader(SK_ColorBLUE); |
bsalomon | 093779c | 2016-03-08 11:53:31 -0800 | [diff] [blame] | 29 | } |
| 30 | |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 31 | static sk_sp<SkColorFilter> make_color_filter() { |
Mike Reed | 7d954ad | 2016-10-28 15:42:34 -0400 | [diff] [blame] | 32 | return SkColorFilter::MakeModeFilter(0xFFAABBCC, SkBlendMode::kDarken); |
bsalomon | 093779c | 2016-03-08 11:53:31 -0800 | [diff] [blame] | 33 | } |
| 34 | |
Brian Salomon | 3f36369 | 2017-02-02 21:05:19 -0500 | [diff] [blame] | 35 | static constexpr SkScalar kMeshSize = 30; |
| 36 | |
| 37 | // start with the center of a 3x3 grid of vertices. |
| 38 | static constexpr uint16_t kMeshFan[] = { |
| 39 | 4, |
| 40 | 0, 1, 2, 5, 8, 7, 6, 3, 0 |
| 41 | }; |
| 42 | |
Brian Salomon | 199fb87 | 2017-02-06 09:41:10 -0500 | [diff] [blame] | 43 | static const int kMeshIndexCnt = (int)SK_ARRAY_COUNT(kMeshFan); |
Brian Salomon | 3f36369 | 2017-02-02 21:05:19 -0500 | [diff] [blame] | 44 | static const int kMeshVertexCnt = 9; |
| 45 | |
| 46 | static void fill_mesh(SkPoint pts[kMeshVertexCnt], SkPoint texs[kMeshVertexCnt], |
| 47 | SkColor colors[kMeshVertexCnt]) { |
| 48 | pts[0].set(0, 0); |
| 49 | pts[1].set(kMeshSize / 2, 3); |
| 50 | pts[2].set(kMeshSize, 0); |
| 51 | pts[3].set(3, kMeshSize / 2); |
| 52 | pts[4].set(kMeshSize / 2, kMeshSize / 2); |
| 53 | pts[5].set(kMeshSize - 3, kMeshSize / 2); |
| 54 | pts[6].set(0, kMeshSize); |
| 55 | pts[7].set(kMeshSize / 2, kMeshSize - 3); |
| 56 | pts[8].set(kMeshSize, kMeshSize); |
| 57 | |
| 58 | texs[0].set(0, 0); |
| 59 | texs[1].set(kShaderSize / 2, 0); |
| 60 | texs[2].set(kShaderSize, 0); |
| 61 | texs[3].set(0, kShaderSize / 2); |
| 62 | texs[4].set(kShaderSize / 2, kShaderSize / 2); |
| 63 | texs[5].set(kShaderSize, kShaderSize / 2); |
| 64 | texs[6].set(0, kShaderSize); |
| 65 | texs[7].set(kShaderSize / 2, kShaderSize); |
| 66 | texs[8].set(kShaderSize, kShaderSize); |
| 67 | |
| 68 | SkRandom rand; |
| 69 | for (size_t i = 0; i < kMeshVertexCnt; ++i) { |
| 70 | colors[i] = rand.nextU() | 0xFF000000; |
| 71 | } |
| 72 | } |
| 73 | |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 74 | class VerticesGM : public skiagm::GM { |
Brian Salomon | 3f36369 | 2017-02-02 21:05:19 -0500 | [diff] [blame] | 75 | SkPoint fPts[kMeshVertexCnt]; |
| 76 | SkPoint fTexs[kMeshVertexCnt]; |
| 77 | SkColor fColors[kMeshVertexCnt]; |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 78 | sk_sp<SkShader> fShader1; |
| 79 | sk_sp<SkShader> fShader2; |
| 80 | sk_sp<SkColorFilter> fColorFilter; |
Brian Salomon | 199fb87 | 2017-02-06 09:41:10 -0500 | [diff] [blame] | 81 | sk_sp<SkVertices> fVertices; |
| 82 | bool fUseObject; |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 83 | |
| 84 | public: |
Brian Salomon | 199fb87 | 2017-02-06 09:41:10 -0500 | [diff] [blame] | 85 | VerticesGM(bool useObject) : fUseObject(useObject) {} |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 86 | |
| 87 | protected: |
commit-bot@chromium.org | a90c680 | 2014-04-30 13:20:45 +0000 | [diff] [blame] | 88 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 89 | void onOnceBeforeDraw() override { |
Brian Salomon | 3f36369 | 2017-02-02 21:05:19 -0500 | [diff] [blame] | 90 | fill_mesh(fPts, fTexs, fColors); |
| 91 | fShader1 = make_shader1(); |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 92 | fShader2 = make_shader2(); |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 93 | fColorFilter = make_color_filter(); |
Brian Salomon | 199fb87 | 2017-02-06 09:41:10 -0500 | [diff] [blame] | 94 | if (fUseObject) { |
| 95 | std::unique_ptr<SkPoint[]> points(new SkPoint[kMeshVertexCnt]); |
| 96 | std::unique_ptr<SkPoint[]> texs(new SkPoint[kMeshVertexCnt]); |
| 97 | std::unique_ptr<SkColor[]> colors(new SkColor[kMeshVertexCnt]); |
| 98 | std::unique_ptr<uint16_t[]> indices(new uint16_t[kMeshIndexCnt]); |
| 99 | memcpy(points.get(), fPts, sizeof(SkPoint) * kMeshVertexCnt); |
| 100 | memcpy(colors.get(), fColors, sizeof(SkColor) * kMeshVertexCnt); |
| 101 | memcpy(texs.get(), fTexs, sizeof(SkPoint) * kMeshVertexCnt); |
| 102 | memcpy(indices.get(), kMeshFan, sizeof(uint16_t) * kMeshIndexCnt); |
Brian Salomon | 604c989 | 2017-02-06 14:11:51 -0500 | [diff] [blame] | 103 | // Older libstdc++ does not allow moving a std::unique_ptr<T[]> into a |
| 104 | // std::unique_ptr<const T[]>. Hence the release() calls below. |
| 105 | fVertices = SkVertices::MakeIndexed( |
| 106 | SkCanvas::kTriangleFan_VertexMode, |
Brian Salomon | 3a97054 | 2017-02-06 15:30:06 -0500 | [diff] [blame] | 107 | std::unique_ptr<const SkPoint[]>((const SkPoint*)points.release()), |
| 108 | std::unique_ptr<const SkColor[]>((const SkColor*)colors.release()), |
| 109 | std::unique_ptr<const SkPoint[]>((const SkPoint*)texs.release()), |
| 110 | kMeshVertexCnt, |
| 111 | std::unique_ptr<const uint16_t[]>((const uint16_t*)indices.release()), |
| 112 | kMeshIndexCnt); |
Brian Salomon | 199fb87 | 2017-02-06 09:41:10 -0500 | [diff] [blame] | 113 | } |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 114 | } |
| 115 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 116 | SkString onShortName() override { |
reed@google.com | 60da8f3 | 2014-05-05 20:41:21 +0000 | [diff] [blame] | 117 | SkString name("vertices"); |
Brian Salomon | 199fb87 | 2017-02-06 09:41:10 -0500 | [diff] [blame] | 118 | if (fUseObject) { |
| 119 | name.append("_object"); |
| 120 | } |
reed@google.com | 60da8f3 | 2014-05-05 20:41:21 +0000 | [diff] [blame] | 121 | return name; |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 122 | } |
| 123 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 124 | SkISize onISize() override { |
Brian Salomon | 3216180 | 2017-02-10 10:48:15 -0500 | [diff] [blame^] | 125 | return SkISize::Make(975, 1175); |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 126 | } |
| 127 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 128 | void onDraw(SkCanvas* canvas) override { |
Mike Reed | 7d954ad | 2016-10-28 15:42:34 -0400 | [diff] [blame] | 129 | const SkBlendMode modes[] = { |
| 130 | SkBlendMode::kClear, |
| 131 | SkBlendMode::kSrc, |
| 132 | SkBlendMode::kDst, |
| 133 | SkBlendMode::kSrcOver, |
| 134 | SkBlendMode::kDstOver, |
| 135 | SkBlendMode::kSrcIn, |
| 136 | SkBlendMode::kDstIn, |
| 137 | SkBlendMode::kSrcOut, |
| 138 | SkBlendMode::kDstOut, |
| 139 | SkBlendMode::kSrcATop, |
| 140 | SkBlendMode::kDstATop, |
| 141 | SkBlendMode::kXor, |
| 142 | SkBlendMode::kPlus, |
| 143 | SkBlendMode::kModulate, |
| 144 | SkBlendMode::kScreen, |
| 145 | SkBlendMode::kOverlay, |
| 146 | SkBlendMode::kDarken, |
| 147 | SkBlendMode::kLighten, |
| 148 | SkBlendMode::kColorDodge, |
| 149 | SkBlendMode::kColorBurn, |
| 150 | SkBlendMode::kHardLight, |
| 151 | SkBlendMode::kSoftLight, |
| 152 | SkBlendMode::kDifference, |
| 153 | SkBlendMode::kExclusion, |
| 154 | SkBlendMode::kMultiply, |
| 155 | SkBlendMode::kHue, |
| 156 | SkBlendMode::kSaturation, |
| 157 | SkBlendMode::kColor, |
| 158 | SkBlendMode::kLuminosity, |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 159 | }; |
skia.committer@gmail.com | 4c91286 | 2013-12-30 07:01:37 +0000 | [diff] [blame] | 160 | |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 161 | SkPaint paint; |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 162 | |
bsalomon | 093779c | 2016-03-08 11:53:31 -0800 | [diff] [blame] | 163 | canvas->translate(4, 4); |
| 164 | int x = 0; |
Brian Salomon | 199fb87 | 2017-02-06 09:41:10 -0500 | [diff] [blame] | 165 | for (auto mode : modes) { |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 166 | canvas->save(); |
Brian Salomon | 199fb87 | 2017-02-06 09:41:10 -0500 | [diff] [blame] | 167 | for (uint8_t alpha : {0xFF, 0x80}) { |
| 168 | for (const auto& cf : {sk_sp<SkColorFilter>(nullptr), fColorFilter}) { |
| 169 | for (const auto& shader : {fShader1, fShader2}) { |
| 170 | static constexpr struct { |
| 171 | bool fHasColors; |
| 172 | bool fHasTexs; |
| 173 | } kAttrs[] = {{true, false}, {false, true}, {true, true}}; |
| 174 | for (auto attrs : kAttrs) { |
| 175 | paint.setShader(shader); |
| 176 | paint.setColorFilter(cf); |
| 177 | paint.setAlpha(alpha); |
| 178 | if (fUseObject) { |
| 179 | uint32_t flags = 0; |
| 180 | flags |= |
| 181 | attrs.fHasColors ? 0 : SkCanvas::kIgnoreColors_VerticesFlag; |
| 182 | flags |= attrs.fHasTexs ? 0 |
| 183 | : SkCanvas::kIgnoreTexCoords_VerticesFlag; |
| 184 | canvas->drawVertices(fVertices, mode, paint, flags); |
| 185 | } else { |
| 186 | const SkColor* colors = attrs.fHasColors ? fColors : nullptr; |
| 187 | const SkPoint* texs = attrs.fHasTexs ? fTexs : nullptr; |
| 188 | canvas->drawVertices(SkCanvas::kTriangleFan_VertexMode, |
| 189 | kMeshVertexCnt, fPts, texs, colors, mode, |
| 190 | kMeshFan, kMeshIndexCnt, paint); |
| 191 | } |
| 192 | canvas->translate(40, 0); |
| 193 | ++x; |
| 194 | } |
| 195 | } |
| 196 | } |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 197 | } |
| 198 | canvas->restore(); |
bsalomon | 093779c | 2016-03-08 11:53:31 -0800 | [diff] [blame] | 199 | canvas->translate(0, 40); |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 200 | } |
| 201 | } |
| 202 | |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 203 | private: |
| 204 | typedef skiagm::GM INHERITED; |
| 205 | }; |
| 206 | |
reed@google.com | 60da8f3 | 2014-05-05 20:41:21 +0000 | [diff] [blame] | 207 | ///////////////////////////////////////////////////////////////////////////////////// |
| 208 | |
Brian Salomon | 199fb87 | 2017-02-06 09:41:10 -0500 | [diff] [blame] | 209 | DEF_GM(return new VerticesGM(true);) |
| 210 | DEF_GM(return new VerticesGM(false);) |
Brian Salomon | 3f36369 | 2017-02-02 21:05:19 -0500 | [diff] [blame] | 211 | |
Brian Salomon | 199fb87 | 2017-02-06 09:41:10 -0500 | [diff] [blame] | 212 | static void draw_batching(SkCanvas* canvas, bool useObject) { |
| 213 | std::unique_ptr<SkPoint[]> pts(new SkPoint[kMeshVertexCnt]); |
| 214 | std::unique_ptr<SkPoint[]> texs(new SkPoint[kMeshVertexCnt]); |
| 215 | std::unique_ptr<SkColor[]> colors(new SkColor[kMeshVertexCnt]); |
| 216 | fill_mesh(pts.get(), texs.get(), colors.get()); |
| 217 | |
Brian Salomon | 3f36369 | 2017-02-02 21:05:19 -0500 | [diff] [blame] | 218 | SkTDArray<SkMatrix> matrices; |
| 219 | matrices.push()->reset(); |
| 220 | matrices.push()->setTranslate(0, 40); |
| 221 | SkMatrix* m = matrices.push(); |
| 222 | m->setRotate(45, kMeshSize / 2, kMeshSize / 2); |
| 223 | m->postScale(1.2f, .8f, kMeshSize / 2, kMeshSize / 2); |
| 224 | m->postTranslate(0, 80); |
| 225 | |
| 226 | auto shader = make_shader1(); |
| 227 | |
| 228 | // Triangle fans can't batch so we convert to regular triangles, |
Brian Salomon | 199fb87 | 2017-02-06 09:41:10 -0500 | [diff] [blame] | 229 | static constexpr int kNumTris = kMeshIndexCnt - 2; |
| 230 | std::unique_ptr<uint16_t[]> indices(new uint16_t[3 * kNumTris]); |
Brian Salomon | 3f36369 | 2017-02-02 21:05:19 -0500 | [diff] [blame] | 231 | for (size_t i = 0; i < kNumTris; ++i) { |
| 232 | indices[3 * i] = kMeshFan[0]; |
| 233 | indices[3 * i + 1] = kMeshFan[i + 1]; |
| 234 | indices[3 * i + 2] = kMeshFan[i + 2]; |
| 235 | } |
Brian Salomon | 199fb87 | 2017-02-06 09:41:10 -0500 | [diff] [blame] | 236 | |
| 237 | sk_sp<SkVertices> vertices; |
| 238 | if (useObject) { |
Brian Salomon | 604c989 | 2017-02-06 14:11:51 -0500 | [diff] [blame] | 239 | // Older libstdc++ does not allow moving a std::unique_ptr<T[]> into a |
| 240 | // std::unique_ptr<const T[]>. Hence the release() calls below. |
| 241 | vertices = SkVertices::MakeIndexed( |
Brian Salomon | 3a97054 | 2017-02-06 15:30:06 -0500 | [diff] [blame] | 242 | SkCanvas::kTriangles_VertexMode, |
| 243 | std::unique_ptr<const SkPoint[]>((const SkPoint*)pts.release()), |
| 244 | std::unique_ptr<const SkColor[]>((const SkColor*)colors.release()), |
| 245 | std::unique_ptr<const SkPoint[]>((const SkPoint*)texs.release()), kMeshVertexCnt, |
| 246 | std::unique_ptr<const uint16_t[]>((const uint16_t*)indices.release()), |
| 247 | 3 * kNumTris); |
Brian Salomon | 199fb87 | 2017-02-06 09:41:10 -0500 | [diff] [blame] | 248 | } |
| 249 | canvas->save(); |
Brian Salomon | 3f36369 | 2017-02-02 21:05:19 -0500 | [diff] [blame] | 250 | canvas->translate(10, 10); |
| 251 | for (bool useShader : {false, true}) { |
| 252 | for (bool useTex : {false, true}) { |
| 253 | for (const auto& m : matrices) { |
| 254 | canvas->save(); |
| 255 | canvas->concat(m); |
| 256 | SkPaint paint; |
Brian Salomon | 3f36369 | 2017-02-02 21:05:19 -0500 | [diff] [blame] | 257 | paint.setShader(useShader ? shader : nullptr); |
Brian Salomon | 199fb87 | 2017-02-06 09:41:10 -0500 | [diff] [blame] | 258 | if (useObject) { |
| 259 | uint32_t flags = useTex ? 0 : SkCanvas::kIgnoreTexCoords_VerticesFlag; |
| 260 | canvas->drawVertices(vertices, SkBlendMode::kModulate, paint, flags); |
| 261 | } else { |
| 262 | const SkPoint* t = useTex ? texs.get() : nullptr; |
| 263 | canvas->drawVertices(SkCanvas::kTriangles_VertexMode, kMeshVertexCnt, pts.get(), |
| 264 | t, colors.get(), indices.get(), kNumTris * 3, paint); |
| 265 | } |
Brian Salomon | 3f36369 | 2017-02-02 21:05:19 -0500 | [diff] [blame] | 266 | canvas->restore(); |
| 267 | } |
| 268 | canvas->translate(0, 120); |
| 269 | } |
| 270 | } |
Brian Salomon | 199fb87 | 2017-02-06 09:41:10 -0500 | [diff] [blame] | 271 | canvas->restore(); |
| 272 | } |
| 273 | |
| 274 | // This test exists to exercise batching in the gpu backend. |
| 275 | DEF_SIMPLE_GM(vertices_batching, canvas, 100, 500) { |
| 276 | draw_batching(canvas, false); |
| 277 | canvas->translate(50, 0); |
| 278 | draw_batching(canvas, true); |
Brian Salomon | 3f36369 | 2017-02-02 21:05:19 -0500 | [diff] [blame] | 279 | } |