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" |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 13 | |
Brian Salomon | 3f36369 | 2017-02-02 21:05:19 -0500 | [diff] [blame^] | 14 | static constexpr SkScalar kShaderSize = 40; |
| 15 | static sk_sp<SkShader> make_shader1() { |
reed@google.com | 85e143c | 2013-12-30 15:51:25 +0000 | [diff] [blame] | 16 | const SkColor colors[] = { |
| 17 | SK_ColorRED, SK_ColorCYAN, SK_ColorGREEN, SK_ColorWHITE, |
| 18 | SK_ColorMAGENTA, SK_ColorBLUE, SK_ColorYELLOW, |
| 19 | }; |
Brian Salomon | 3f36369 | 2017-02-02 21:05:19 -0500 | [diff] [blame^] | 20 | const SkPoint pts[] = {{kShaderSize / 4, 0}, {3 * kShaderSize / 4, kShaderSize}}; |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 21 | |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 22 | return SkGradientShader::MakeLinear(pts, colors, nullptr, SK_ARRAY_COUNT(colors), |
| 23 | SkShader::kMirror_TileMode); |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 24 | } |
| 25 | |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 26 | static sk_sp<SkShader> make_shader2() { |
| 27 | return SkShader::MakeColorShader(SK_ColorBLUE); |
bsalomon | 093779c | 2016-03-08 11:53:31 -0800 | [diff] [blame] | 28 | } |
| 29 | |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 30 | static sk_sp<SkColorFilter> make_color_filter() { |
Mike Reed | 7d954ad | 2016-10-28 15:42:34 -0400 | [diff] [blame] | 31 | return SkColorFilter::MakeModeFilter(0xFFAABBCC, SkBlendMode::kDarken); |
bsalomon | 093779c | 2016-03-08 11:53:31 -0800 | [diff] [blame] | 32 | } |
| 33 | |
Brian Salomon | 3f36369 | 2017-02-02 21:05:19 -0500 | [diff] [blame^] | 34 | static constexpr SkScalar kMeshSize = 30; |
| 35 | |
| 36 | // start with the center of a 3x3 grid of vertices. |
| 37 | static constexpr uint16_t kMeshFan[] = { |
| 38 | 4, |
| 39 | 0, 1, 2, 5, 8, 7, 6, 3, 0 |
| 40 | }; |
| 41 | |
| 42 | static const int kMeshVertexCnt = 9; |
| 43 | |
| 44 | static void fill_mesh(SkPoint pts[kMeshVertexCnt], SkPoint texs[kMeshVertexCnt], |
| 45 | SkColor colors[kMeshVertexCnt]) { |
| 46 | pts[0].set(0, 0); |
| 47 | pts[1].set(kMeshSize / 2, 3); |
| 48 | pts[2].set(kMeshSize, 0); |
| 49 | pts[3].set(3, kMeshSize / 2); |
| 50 | pts[4].set(kMeshSize / 2, kMeshSize / 2); |
| 51 | pts[5].set(kMeshSize - 3, kMeshSize / 2); |
| 52 | pts[6].set(0, kMeshSize); |
| 53 | pts[7].set(kMeshSize / 2, kMeshSize - 3); |
| 54 | pts[8].set(kMeshSize, kMeshSize); |
| 55 | |
| 56 | texs[0].set(0, 0); |
| 57 | texs[1].set(kShaderSize / 2, 0); |
| 58 | texs[2].set(kShaderSize, 0); |
| 59 | texs[3].set(0, kShaderSize / 2); |
| 60 | texs[4].set(kShaderSize / 2, kShaderSize / 2); |
| 61 | texs[5].set(kShaderSize, kShaderSize / 2); |
| 62 | texs[6].set(0, kShaderSize); |
| 63 | texs[7].set(kShaderSize / 2, kShaderSize); |
| 64 | texs[8].set(kShaderSize, kShaderSize); |
| 65 | |
| 66 | SkRandom rand; |
| 67 | for (size_t i = 0; i < kMeshVertexCnt; ++i) { |
| 68 | colors[i] = rand.nextU() | 0xFF000000; |
| 69 | } |
| 70 | } |
| 71 | |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 72 | class VerticesGM : public skiagm::GM { |
Brian Salomon | 3f36369 | 2017-02-02 21:05:19 -0500 | [diff] [blame^] | 73 | SkPoint fPts[kMeshVertexCnt]; |
| 74 | SkPoint fTexs[kMeshVertexCnt]; |
| 75 | SkColor fColors[kMeshVertexCnt]; |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 76 | sk_sp<SkShader> fShader1; |
| 77 | sk_sp<SkShader> fShader2; |
| 78 | sk_sp<SkColorFilter> fColorFilter; |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 79 | |
| 80 | public: |
bsalomon | 093779c | 2016-03-08 11:53:31 -0800 | [diff] [blame] | 81 | VerticesGM() {} |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 82 | |
| 83 | protected: |
commit-bot@chromium.org | a90c680 | 2014-04-30 13:20:45 +0000 | [diff] [blame] | 84 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 85 | void onOnceBeforeDraw() override { |
Brian Salomon | 3f36369 | 2017-02-02 21:05:19 -0500 | [diff] [blame^] | 86 | fill_mesh(fPts, fTexs, fColors); |
| 87 | fShader1 = make_shader1(); |
reed | 1a9b964 | 2016-03-13 14:13:58 -0700 | [diff] [blame] | 88 | fShader2 = make_shader2(); |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 89 | fColorFilter = make_color_filter(); |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 90 | } |
| 91 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 92 | SkString onShortName() override { |
reed@google.com | 60da8f3 | 2014-05-05 20:41:21 +0000 | [diff] [blame] | 93 | SkString name("vertices"); |
reed@google.com | 60da8f3 | 2014-05-05 20:41:21 +0000 | [diff] [blame] | 94 | return name; |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 95 | } |
| 96 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 97 | SkISize onISize() override { |
reed@google.com | 85e143c | 2013-12-30 15:51:25 +0000 | [diff] [blame] | 98 | return SkISize::Make(600, 600); |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 99 | } |
| 100 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 101 | void onDraw(SkCanvas* canvas) override { |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 102 | const struct { |
reed | d053ce9 | 2016-03-22 10:17:23 -0700 | [diff] [blame] | 103 | const SkColor* fColors; |
| 104 | const SkPoint* fTexs; |
| 105 | const sk_sp<SkShader>& fShader; |
| 106 | const sk_sp<SkColorFilter>& fColorFilter; |
| 107 | uint8_t fAlpha; |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 108 | } rec[] = { |
bsalomon | 093779c | 2016-03-08 11:53:31 -0800 | [diff] [blame] | 109 | { fColors, nullptr, fShader1, nullptr , 0xFF }, |
| 110 | { nullptr, fTexs , fShader1, nullptr , 0xFF }, |
| 111 | { fColors, fTexs , fShader1, nullptr , 0xFF }, |
| 112 | { fColors, nullptr, fShader2, nullptr , 0xFF }, |
| 113 | { nullptr, fTexs , fShader2, nullptr , 0xFF }, |
| 114 | { fColors, fTexs , fShader2, nullptr , 0xFF }, |
| 115 | { fColors, nullptr, fShader1, fColorFilter, 0xFF }, |
| 116 | { nullptr, fTexs , fShader1, fColorFilter, 0xFF }, |
| 117 | { fColors, fTexs , fShader1, fColorFilter, 0xFF }, |
| 118 | { fColors, nullptr, fShader2, fColorFilter, 0xFF }, |
| 119 | { nullptr, fTexs , fShader2, fColorFilter, 0xFF }, |
| 120 | { fColors, fTexs , fShader2, fColorFilter, 0xFF }, |
| 121 | { fColors, nullptr, fShader1, nullptr , 0x80 }, |
| 122 | { nullptr, fTexs , fShader1, nullptr , 0x80 }, |
| 123 | { fColors, fTexs , fShader1, nullptr , 0x80 }, |
| 124 | { fColors, nullptr, fShader2, nullptr , 0x80 }, |
| 125 | { nullptr, fTexs , fShader2, nullptr , 0x80 }, |
| 126 | { fColors, fTexs , fShader2, nullptr , 0x80 }, |
| 127 | { fColors, nullptr, fShader1, fColorFilter, 0x80 }, |
| 128 | { nullptr, fTexs , fShader1, fColorFilter, 0x80 }, |
| 129 | { fColors, fTexs , fShader1, fColorFilter, 0x80 }, |
| 130 | { fColors, nullptr, fShader2, fColorFilter, 0x80 }, |
| 131 | { nullptr, fTexs , fShader2, fColorFilter, 0x80 }, |
| 132 | { fColors, fTexs , fShader2, fColorFilter, 0x80 }, |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 133 | }; |
| 134 | |
Mike Reed | 7d954ad | 2016-10-28 15:42:34 -0400 | [diff] [blame] | 135 | const SkBlendMode modes[] = { |
| 136 | SkBlendMode::kClear, |
| 137 | SkBlendMode::kSrc, |
| 138 | SkBlendMode::kDst, |
| 139 | SkBlendMode::kSrcOver, |
| 140 | SkBlendMode::kDstOver, |
| 141 | SkBlendMode::kSrcIn, |
| 142 | SkBlendMode::kDstIn, |
| 143 | SkBlendMode::kSrcOut, |
| 144 | SkBlendMode::kDstOut, |
| 145 | SkBlendMode::kSrcATop, |
| 146 | SkBlendMode::kDstATop, |
| 147 | SkBlendMode::kXor, |
| 148 | SkBlendMode::kPlus, |
| 149 | SkBlendMode::kModulate, |
| 150 | SkBlendMode::kScreen, |
| 151 | SkBlendMode::kOverlay, |
| 152 | SkBlendMode::kDarken, |
| 153 | SkBlendMode::kLighten, |
| 154 | SkBlendMode::kColorDodge, |
| 155 | SkBlendMode::kColorBurn, |
| 156 | SkBlendMode::kHardLight, |
| 157 | SkBlendMode::kSoftLight, |
| 158 | SkBlendMode::kDifference, |
| 159 | SkBlendMode::kExclusion, |
| 160 | SkBlendMode::kMultiply, |
| 161 | SkBlendMode::kHue, |
| 162 | SkBlendMode::kSaturation, |
| 163 | SkBlendMode::kColor, |
| 164 | SkBlendMode::kLuminosity, |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 165 | }; |
skia.committer@gmail.com | 4c91286 | 2013-12-30 07:01:37 +0000 | [diff] [blame] | 166 | |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 167 | SkPaint paint; |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 168 | |
bsalomon | 093779c | 2016-03-08 11:53:31 -0800 | [diff] [blame] | 169 | canvas->translate(4, 4); |
| 170 | int x = 0; |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 171 | for (size_t j = 0; j < SK_ARRAY_COUNT(modes); ++j) { |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 172 | canvas->save(); |
| 173 | for (size_t i = 0; i < SK_ARRAY_COUNT(rec); ++i) { |
bsalomon | 093779c | 2016-03-08 11:53:31 -0800 | [diff] [blame] | 174 | paint.setShader(rec[i].fShader); |
| 175 | paint.setColorFilter(rec[i].fColorFilter); |
| 176 | paint.setAlpha(rec[i].fAlpha); |
| 177 | //if (2 == x) |
Brian Salomon | 3f36369 | 2017-02-02 21:05:19 -0500 | [diff] [blame^] | 178 | canvas->drawVertices(SkCanvas::kTriangleFan_VertexMode, kMeshVertexCnt, fPts, |
| 179 | rec[i].fTexs, rec[i].fColors, modes[j], kMeshFan, |
| 180 | SK_ARRAY_COUNT(kMeshFan), paint); |
bsalomon | 093779c | 2016-03-08 11:53:31 -0800 | [diff] [blame] | 181 | canvas->translate(40, 0); |
| 182 | ++x; |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 183 | } |
| 184 | canvas->restore(); |
bsalomon | 093779c | 2016-03-08 11:53:31 -0800 | [diff] [blame] | 185 | canvas->translate(0, 40); |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 186 | } |
| 187 | } |
| 188 | |
mike@reedtribe.org | 0c87ea8 | 2013-12-30 04:07:34 +0000 | [diff] [blame] | 189 | private: |
| 190 | typedef skiagm::GM INHERITED; |
| 191 | }; |
| 192 | |
reed@google.com | 60da8f3 | 2014-05-05 20:41:21 +0000 | [diff] [blame] | 193 | ///////////////////////////////////////////////////////////////////////////////////// |
| 194 | |
bsalomon | 093779c | 2016-03-08 11:53:31 -0800 | [diff] [blame] | 195 | DEF_GM(return new VerticesGM();) |
Brian Salomon | 3f36369 | 2017-02-02 21:05:19 -0500 | [diff] [blame^] | 196 | |
| 197 | // This test exists to exercise batching in the gpu backend. |
| 198 | DEF_SIMPLE_GM(vertices_batching, canvas, 50, 500) { |
| 199 | SkPoint pts[kMeshVertexCnt]; |
| 200 | SkPoint texs[kMeshVertexCnt]; |
| 201 | SkColor colors[kMeshVertexCnt]; |
| 202 | fill_mesh(pts, texs, colors); |
| 203 | SkTDArray<SkMatrix> matrices; |
| 204 | matrices.push()->reset(); |
| 205 | matrices.push()->setTranslate(0, 40); |
| 206 | SkMatrix* m = matrices.push(); |
| 207 | m->setRotate(45, kMeshSize / 2, kMeshSize / 2); |
| 208 | m->postScale(1.2f, .8f, kMeshSize / 2, kMeshSize / 2); |
| 209 | m->postTranslate(0, 80); |
| 210 | |
| 211 | auto shader = make_shader1(); |
| 212 | |
| 213 | // Triangle fans can't batch so we convert to regular triangles, |
| 214 | static constexpr int kNumTris = SK_ARRAY_COUNT(kMeshFan) - 2; |
| 215 | uint16_t indices[3 * kNumTris]; |
| 216 | for (size_t i = 0; i < kNumTris; ++i) { |
| 217 | indices[3 * i] = kMeshFan[0]; |
| 218 | indices[3 * i + 1] = kMeshFan[i + 1]; |
| 219 | indices[3 * i + 2] = kMeshFan[i + 2]; |
| 220 | } |
| 221 | canvas->translate(10, 10); |
| 222 | for (bool useShader : {false, true}) { |
| 223 | for (bool useTex : {false, true}) { |
| 224 | for (const auto& m : matrices) { |
| 225 | canvas->save(); |
| 226 | canvas->concat(m); |
| 227 | SkPaint paint; |
| 228 | const SkPoint* t = useTex ? texs : nullptr; |
| 229 | paint.setShader(useShader ? shader : nullptr); |
| 230 | canvas->drawVertices(SkCanvas::kTriangles_VertexMode, kMeshVertexCnt, pts, t, |
| 231 | colors, indices, SK_ARRAY_COUNT(indices), paint); |
| 232 | canvas->restore(); |
| 233 | } |
| 234 | canvas->translate(0, 120); |
| 235 | } |
| 236 | } |
| 237 | } |