1 /* 2 * Copyright 2014 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 "Benchmark.h" 9 #include "SkCanvas.h" 10 #include "SkGradientShader.h" 11 #include "SkPaint.h" 12 #include "SkPatchGrid.h" 13 #include "SkString.h" 14 15 /** 16 * This bench measures the rendering time of a gridof patches. 17 * This bench also tests the different combination of optional parameters for the function 18 * (passing texture coordinates and colors, only textures coordinates, only colors or none). 19 * Finally, it also has 3 possible sizes small, medium and big to test if the size of the patches 20 * in the grid affects time. 21 */ 22 23 class PatchGridBench : public Benchmark { 24 25 public: 26 27 enum Size { 28 kSmall_Size, 29 kMedium_Size, 30 kBig_Size 31 }; 32 33 enum VertexMode { 34 kNone_VertexMode, 35 kColors_VertexMode, 36 kTexCoords_VertexMode, 37 kBoth_VertexMode 38 }; 39 PatchGridBench(Size size,VertexMode vertexMode)40 PatchGridBench(Size size, VertexMode vertexMode) 41 : fVertexMode(vertexMode) 42 , fSize(size) { } 43 setScale(SkCanvas * canvas)44 void setScale(SkCanvas* canvas){ 45 switch (fSize) { 46 case kSmall_Size: 47 canvas->scale(0.1f, 0.1f); 48 break; 49 case kMedium_Size: 50 canvas->scale(1.0f, 1.0f); 51 break; 52 case kBig_Size: 53 canvas->scale(3.0f, 3.0f); 54 break; 55 } 56 } 57 setGrid()58 void setGrid() { 59 SkPoint vertices[4][5] = { 60 {{50,50}, {150,50}, {250,50},{350,50},{450,50}}, 61 {{50,150}, {120,120}, {250,150},{350,150},{450,150}}, 62 {{50,250}, {150,250}, {250,250},{350,250},{450,250}}, 63 {{100,300}, {150,350}, {250,350},{350,350},{450,350}} 64 }; 65 66 SkColor cornerColors[4][5] = { 67 {SK_ColorBLUE, SK_ColorRED, SK_ColorBLUE, SK_ColorRED, SK_ColorBLUE}, 68 {SK_ColorRED, SK_ColorBLUE, SK_ColorRED, SK_ColorBLUE, SK_ColorRED}, 69 {SK_ColorBLUE, SK_ColorRED, SK_ColorBLUE, SK_ColorRED, SK_ColorBLUE}, 70 {SK_ColorRED, SK_ColorBLUE, SK_ColorRED, SK_ColorBLUE, SK_ColorRED}, 71 }; 72 73 SkPoint texCoords[4][5] = { 74 {{0.0f,0.0f}, {1.0f,0.0f}, {2.0f,0.0f}, {3.0f,0.0f}, {4.0f,0.0f}}, 75 {{0.0f,1.0f}, {1.0f,1.0f}, {2.0f,1.0f}, {3.0f,1.0f}, {4.0f,1.0f}}, 76 {{0.0f,2.0f}, {1.0f,2.0f}, {2.0f,2.0f}, {3.0f,2.0f}, {4.0f,2.0f}}, 77 {{0.0f,3.0f}, {1.0f,3.0f}, {2.0f,3.0f}, {3.0f,3.0f}, {4.0f,3.0f}}, 78 }; 79 80 SkPoint hrzCtrl[4][8] = { 81 {{75,30},{125,45},{175,70},{225,20},{275,50},{325,50},{375,5},{425,90}}, 82 {{75,150},{125,150},{175,150},{225,150},{275,150},{325,150},{375,150},{425,150}}, 83 {{75,250},{125,250},{175,250},{225,250},{275,200},{325,150},{375,250},{425,250}}, 84 {{75,350},{125,350},{175,350},{225,350},{275,350},{325,350},{375,350},{425,350}} 85 }; 86 87 SkPoint vrtCtrl[6][5] = { 88 {{50,75},{150,75},{250,75},{350,75},{450,75}}, 89 {{50,125},{150,125},{250,125},{350,125},{450,125}}, 90 {{50,175},{150,175},{220,225},{350,175},{470,225}}, 91 {{50,225},{150,225},{220,175},{350,225},{470,155}}, 92 {{50,275},{150,275},{250,275},{350,275},{400,305}}, 93 {{50,325},{150,325},{250,325},{350,325},{450,325}} 94 }; 95 96 static const int kRows = 3; 97 static const int kCols = 4; 98 99 fGrid.reset(kRows, kCols, SkPatchGrid::kColors_VertexType, nullptr); 100 for (int i = 0; i < kRows; i++) { 101 for (int j = 0; j < kCols; j++) { 102 SkPoint points[12]; 103 104 //set corners 105 points[SkPatchUtils::kTopP0_CubicCtrlPts] = vertices[i][j]; 106 points[SkPatchUtils::kTopP3_CubicCtrlPts] = vertices[i][j + 1]; 107 points[SkPatchUtils::kBottomP0_CubicCtrlPts] = vertices[i + 1][j]; 108 points[SkPatchUtils::kBottomP3_CubicCtrlPts] = vertices[i + 1][j + 1]; 109 110 points[SkPatchUtils::kTopP1_CubicCtrlPts] = hrzCtrl[i][j * 2]; 111 points[SkPatchUtils::kTopP2_CubicCtrlPts] = hrzCtrl[i][j * 2 + 1]; 112 points[SkPatchUtils::kBottomP1_CubicCtrlPts] = hrzCtrl[i + 1][j * 2]; 113 points[SkPatchUtils::kBottomP2_CubicCtrlPts] = hrzCtrl[i + 1][j * 2 + 1]; 114 115 points[SkPatchUtils::kLeftP1_CubicCtrlPts] = vrtCtrl[i * 2][j]; 116 points[SkPatchUtils::kLeftP2_CubicCtrlPts] = vrtCtrl[i * 2 + 1][j]; 117 points[SkPatchUtils::kRightP1_CubicCtrlPts] = vrtCtrl[i * 2][j + 1]; 118 points[SkPatchUtils::kRightP2_CubicCtrlPts] = vrtCtrl[i * 2 + 1][j + 1]; 119 120 SkColor colors[4]; 121 colors[0] = cornerColors[i][j]; 122 colors[1] = cornerColors[i][j + 1]; 123 colors[3] = cornerColors[i + 1][j]; 124 colors[2] = cornerColors[i + 1][j + 1]; 125 126 SkPoint texs[4]; 127 texs[0] = texCoords[i][j]; 128 texs[1] = texCoords[i][j + 1]; 129 texs[3] = texCoords[i + 1][j]; 130 texs[2] = texCoords[i + 1][j + 1]; 131 132 switch (fVertexMode) { 133 case kNone_VertexMode: 134 fGrid.setPatch(j, i, points, nullptr, nullptr); 135 break; 136 case kColors_VertexMode: 137 fGrid.setPatch(j, i, points, colors, nullptr); 138 break; 139 case kTexCoords_VertexMode: 140 fGrid.setPatch(j, i, points, nullptr, texs); 141 break; 142 case kBoth_VertexMode: 143 fGrid.setPatch(j, i, points, colors, texs); 144 break; 145 default: 146 break; 147 } 148 } 149 } 150 } 151 152 // override this method to change the shader createShader()153 SkShader* createShader() { 154 const SkColor colors[] = { 155 SK_ColorRED, SK_ColorCYAN, SK_ColorGREEN, SK_ColorWHITE, 156 SK_ColorMAGENTA, SK_ColorBLUE, SK_ColorYELLOW, 157 }; 158 const SkPoint pts[] = { { 200.f / 4.f, 0.f }, { 3.f * 200.f / 4, 200.f } }; 159 160 return SkGradientShader::CreateLinear(pts, colors, nullptr, 161 SK_ARRAY_COUNT(colors), 162 SkShader::kMirror_TileMode); 163 } 164 165 protected: onGetName()166 const char* onGetName() override { 167 SkString vertexMode; 168 switch (fVertexMode) { 169 case kNone_VertexMode: 170 vertexMode.set("meshlines"); 171 break; 172 case kColors_VertexMode: 173 vertexMode.set("colors"); 174 break; 175 case kTexCoords_VertexMode: 176 vertexMode.set("texs"); 177 break; 178 case kBoth_VertexMode: 179 vertexMode.set("colors_texs"); 180 break; 181 default: 182 break; 183 } 184 185 SkString size; 186 switch (fSize) { 187 case kSmall_Size: 188 size.set("small"); 189 break; 190 case kMedium_Size: 191 size.set("medium"); 192 break; 193 case kBig_Size: 194 size.set("big"); 195 break; 196 default: 197 break; 198 } 199 fName.printf("patch_grid_%s_%s", vertexMode.c_str(), size.c_str()); 200 return fName.c_str(); 201 } 202 onDelayedSetup()203 void onDelayedSetup() override { 204 this->setGrid(); 205 switch (fVertexMode) { 206 case kTexCoords_VertexMode: 207 case kBoth_VertexMode: 208 fPaint.setShader(createShader())->unref(); 209 break; 210 default: 211 fPaint.setShader(nullptr); 212 break; 213 } 214 this->setupPaint(&fPaint); 215 } 216 onDraw(int loops,SkCanvas * canvas)217 void onDraw(int loops, SkCanvas* canvas) override { 218 this->setScale(canvas); 219 for (int i = 0; i < loops; i++) { 220 fGrid.draw(canvas, fPaint); 221 } 222 } 223 224 SkPaint fPaint; 225 SkString fName; 226 SkPatchGrid fGrid; 227 VertexMode fVertexMode; 228 Size fSize; 229 230 typedef Benchmark INHERITED; 231 }; 232 233 234 /////////////////////////////////////////////////////////////////////////////// 235 236 DEF_BENCH( return new PatchGridBench(PatchGridBench::kSmall_Size, 237 PatchGridBench::kNone_VertexMode); ) 238 DEF_BENCH( return new PatchGridBench(PatchGridBench::kSmall_Size, 239 PatchGridBench::kColors_VertexMode); ) 240 DEF_BENCH( return new PatchGridBench(PatchGridBench::kSmall_Size, 241 PatchGridBench::kTexCoords_VertexMode); ) 242 DEF_BENCH( return new PatchGridBench(PatchGridBench::kSmall_Size, 243 PatchGridBench::kBoth_VertexMode); ) 244 DEF_BENCH( return new PatchGridBench(PatchGridBench::kMedium_Size, 245 PatchGridBench::kNone_VertexMode); ) 246 DEF_BENCH( return new PatchGridBench(PatchGridBench::kMedium_Size, 247 PatchGridBench::kColors_VertexMode); ) 248 DEF_BENCH( return new PatchGridBench(PatchGridBench::kMedium_Size, 249 PatchGridBench::kTexCoords_VertexMode); ) 250 DEF_BENCH( return new PatchGridBench(PatchGridBench::kMedium_Size, 251 PatchGridBench::kBoth_VertexMode); ) 252 DEF_BENCH( return new PatchGridBench(PatchGridBench::kBig_Size, 253 PatchGridBench::kNone_VertexMode); ) 254 DEF_BENCH( return new PatchGridBench(PatchGridBench::kBig_Size, 255 PatchGridBench::kColors_VertexMode); ) 256 DEF_BENCH( return new PatchGridBench(PatchGridBench::kBig_Size, 257 PatchGridBench::kTexCoords_VertexMode); ) 258 DEF_BENCH( return new PatchGridBench(PatchGridBench::kBig_Size, 259 PatchGridBench::kBoth_VertexMode); ) 260