1 /* 2 * Copyright 2012 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 #if SK_SUPPORT_GPU 10 #include "GrTest.h" 11 #include "effects/GrRRectEffect.h" 12 #endif 13 #include "SkDevice.h" 14 #include "SkRRect.h" 15 16 namespace skiagm { 17 18 /////////////////////////////////////////////////////////////////////////////// 19 20 class RRectGM : public GM { 21 public: 22 enum Type { 23 kBW_Draw_Type, 24 kAA_Draw_Type, 25 kBW_Clip_Type, 26 kAA_Clip_Type, 27 kEffect_Type, 28 }; 29 RRectGM(Type type) : fType(type) { 30 this->setBGColor(0xFFDDDDDD); 31 this->setUpRRects(); 32 } 33 34 protected: 35 SkString onShortName() override { 36 SkString name("rrect"); 37 switch (fType) { 38 case kBW_Draw_Type: 39 name.append("_draw_bw"); 40 break; 41 case kAA_Draw_Type: 42 name.append("_draw_aa"); 43 break; 44 case kBW_Clip_Type: 45 name.append("_clip_bw"); 46 break; 47 case kAA_Clip_Type: 48 name.append("_clip_aa"); 49 break; 50 case kEffect_Type: 51 name.append("_effect"); 52 break; 53 } 54 return name; 55 } 56 57 SkISize onISize() override { return SkISize::Make(kImageWidth, kImageHeight); } 58 59 void onDraw(SkCanvas* canvas) override { 60 GrContext* context = NULL; 61 #if SK_SUPPORT_GPU 62 GrRenderTarget* rt = canvas->internal_private_accessTopLayerRenderTarget(); 63 context = rt ? rt->getContext() : NULL; 64 #endif 65 if (kEffect_Type == fType && NULL == context) { 66 this->drawGpuOnlyMessage(canvas); 67 return; 68 } 69 70 SkPaint paint; 71 if (kAA_Draw_Type == fType) { 72 paint.setAntiAlias(true); 73 } 74 75 static const SkRect kMaxTileBound = SkRect::MakeWH(SkIntToScalar(kTileX), 76 SkIntToScalar(kTileY)); 77 #ifdef SK_DEBUG 78 static const SkRect kMaxImageBound = SkRect::MakeWH(SkIntToScalar(kImageWidth), 79 SkIntToScalar(kImageHeight)); 80 #endif 81 82 #if SK_SUPPORT_GPU 83 int lastEdgeType = (kEffect_Type == fType) ? kLast_GrProcessorEdgeType: 0; 84 #else 85 int lastEdgeType = 0; 86 #endif 87 88 int y = 1; 89 for (int et = 0; et <= lastEdgeType; ++et) { 90 int x = 1; 91 for (int curRRect = 0; curRRect < kNumRRects; ++curRRect) { 92 bool drew = true; 93 #ifdef SK_DEBUG 94 SkASSERT(kMaxTileBound.contains(fRRects[curRRect].getBounds())); 95 SkRect imageSpaceBounds = fRRects[curRRect].getBounds(); 96 imageSpaceBounds.offset(SkIntToScalar(x), SkIntToScalar(y)); 97 SkASSERT(kMaxImageBound.contains(imageSpaceBounds)); 98 #endif 99 canvas->save(); 100 canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); 101 if (kEffect_Type == fType) { 102 #if SK_SUPPORT_GPU 103 GrTestTarget tt; 104 context->getTestTarget(&tt); 105 if (NULL == tt.target()) { 106 SkDEBUGFAIL("Couldn't get Gr test target."); 107 return; 108 } 109 GrPipelineBuilder pipelineBuilder; 110 111 SkRRect rrect = fRRects[curRRect]; 112 rrect.offset(SkIntToScalar(x), SkIntToScalar(y)); 113 GrPrimitiveEdgeType edgeType = (GrPrimitiveEdgeType) et; 114 SkAutoTUnref<GrFragmentProcessor> fp(GrRRectEffect::Create(edgeType, 115 rrect)); 116 if (fp) { 117 pipelineBuilder.addCoverageProcessor(fp); 118 pipelineBuilder.setRenderTarget(rt); 119 120 SkRect bounds = rrect.getBounds(); 121 bounds.outset(2.f, 2.f); 122 123 tt.target()->drawSimpleRect(&pipelineBuilder, 124 0xff000000, 125 SkMatrix::I(), 126 bounds); 127 } else { 128 drew = false; 129 } 130 #endif 131 } else if (kBW_Clip_Type == fType || kAA_Clip_Type == fType) { 132 bool aaClip = (kAA_Clip_Type == fType); 133 canvas->clipRRect(fRRects[curRRect], SkRegion::kReplace_Op, aaClip); 134 canvas->drawRect(kMaxTileBound, paint); 135 } else { 136 canvas->drawRRect(fRRects[curRRect], paint); 137 } 138 canvas->restore(); 139 if (drew) { 140 x = x + kTileX; 141 if (x > kImageWidth) { 142 x = 1; 143 y += kTileY; 144 } 145 } 146 } 147 if (x != 1) { 148 y += kTileY; 149 } 150 } 151 } 152 153 void setUpRRects() { 154 // each RRect must fit in a 0x0 -> (kTileX-2)x(kTileY-2) block. These will be tiled across 155 // the screen in kTileX x kTileY tiles. The extra empty pixels on each side are for AA. 156 157 // simple cases 158 fRRects[0].setRect(SkRect::MakeWH(kTileX-2, kTileY-2)); 159 fRRects[1].setOval(SkRect::MakeWH(kTileX-2, kTileY-2)); 160 fRRects[2].setRectXY(SkRect::MakeWH(kTileX-2, kTileY-2), 10, 10); 161 fRRects[3].setRectXY(SkRect::MakeWH(kTileX-2, kTileY-2), 10, 5); 162 // small circular corners are an interesting test case for gpu clipping 163 fRRects[4].setRectXY(SkRect::MakeWH(kTileX-2, kTileY-2), 1, 1); 164 fRRects[5].setRectXY(SkRect::MakeWH(kTileX-2, kTileY-2), 0.5f, 0.5f); 165 fRRects[6].setRectXY(SkRect::MakeWH(kTileX-2, kTileY-2), 0.2f, 0.2f); 166 167 // The first complex case needs special handling since it is a square 168 fRRects[kNumSimpleCases].setRectRadii(SkRect::MakeWH(kTileY-2, kTileY-2), gRadii[0]); 169 for (size_t i = 1; i < SK_ARRAY_COUNT(gRadii); ++i) { 170 fRRects[kNumSimpleCases+i].setRectRadii(SkRect::MakeWH(kTileX-2, kTileY-2), gRadii[i]); 171 } 172 } 173 174 private: 175 Type fType; 176 177 static const int kImageWidth = 640; 178 static const int kImageHeight = 480; 179 180 static const int kTileX = 80; 181 static const int kTileY = 40; 182 183 static const int kNumSimpleCases = 7; 184 static const int kNumComplexCases = 35; 185 static const SkVector gRadii[kNumComplexCases][4]; 186 187 static const int kNumRRects = kNumSimpleCases + kNumComplexCases; 188 SkRRect fRRects[kNumRRects]; 189 190 typedef GM INHERITED; 191 }; 192 193 // Radii for the various test cases. Order is UL, UR, LR, LL 194 const SkVector RRectGM::gRadii[kNumComplexCases][4] = { 195 // a circle 196 { { kTileY, kTileY }, { kTileY, kTileY }, { kTileY, kTileY }, { kTileY, kTileY } }, 197 198 // odd ball cases 199 { { 8, 8 }, { 32, 32 }, { 8, 8 }, { 32, 32 } }, 200 { { 16, 8 }, { 8, 16 }, { 16, 8 }, { 8, 16 } }, 201 { { 0, 0 }, { 16, 16 }, { 8, 8 }, { 32, 32 } }, 202 203 // UL 204 { { 30, 30 }, { 0, 0 }, { 0, 0 }, { 0, 0 } }, 205 { { 30, 15 }, { 0, 0 }, { 0, 0 }, { 0, 0 } }, 206 { { 15, 30 }, { 0, 0 }, { 0, 0 }, { 0, 0 } }, 207 208 // UR 209 { { 0, 0 }, { 30, 30 }, { 0, 0 }, { 0, 0 } }, 210 { { 0, 0 }, { 30, 15 }, { 0, 0 }, { 0, 0 } }, 211 { { 0, 0 }, { 15, 30 }, { 0, 0 }, { 0, 0 } }, 212 213 // LR 214 { { 0, 0 }, { 0, 0 }, { 30, 30 }, { 0, 0 } }, 215 { { 0, 0 }, { 0, 0 }, { 30, 15 }, { 0, 0 } }, 216 { { 0, 0 }, { 0, 0 }, { 15, 30 }, { 0, 0 } }, 217 218 // LL 219 { { 0, 0 }, { 0, 0 }, { 0, 0 }, { 30, 30 } }, 220 { { 0, 0 }, { 0, 0 }, { 0, 0 }, { 30, 15 } }, 221 { { 0, 0 }, { 0, 0 }, { 0, 0 }, { 15, 30 } }, 222 223 // over-sized radii 224 { { 0, 0 }, { 100, 400 }, { 0, 0 }, { 0, 0 } }, 225 { { 0, 0 }, { 400, 400 }, { 0, 0 }, { 0, 0 } }, 226 { { 400, 400 }, { 400, 400 }, { 400, 400 }, { 400, 400 } }, 227 228 // circular corner tabs 229 { { 0, 0 }, { 20, 20 }, { 20, 20 }, { 0, 0 } }, 230 { { 20, 20 }, { 20, 20 }, { 0, 0 }, { 0, 0 } }, 231 { { 0, 0 }, { 0, 0 }, { 20, 20 }, { 20, 20 } }, 232 { { 20, 20 }, { 0, 0 }, { 0, 0 }, { 20, 20 } }, 233 234 // small radius circular corner tabs 235 { { 0, 0 }, { 0.2f, 0.2f }, { 0.2f, 0.2f }, { 0, 0 } }, 236 { { 0.3f, 0.3f }, { 0.3f, .3f }, { 0, 0 }, { 0, 0 } }, 237 238 // single circular corner cases 239 { { 0, 0 }, { 0, 0 }, { 0, 0 }, { 15, 15 } }, 240 { { 0, 0 }, { 0, 0 }, { 15, 15 }, { 0, 0 } }, 241 { { 0, 0 }, { 15, 15 }, { 0, 0 }, { 0, 0 } }, 242 { { 15, 15 }, { 0, 0 }, { 0, 0 }, { 0, 0 } }, 243 244 // nine patch elliptical 245 { { 5, 7 }, { 8, 7 }, { 8, 12 }, { 5, 12 } }, 246 { { 0, 7 }, { 8, 7 }, { 8, 12 }, { 0, 12 } }, 247 248 // nine patch elliptical, small radii 249 { { 0.4f, 7 }, { 8, 7 }, { 8, 12 }, { 0.4f, 12 } }, 250 { { 0.4f, 0.4f }, { 8, 0.4f }, { 8, 12 }, { 0.4f, 12 } }, 251 { { 20, 0.4f }, { 18, 0.4f }, { 18, 0.4f }, { 20, 0.4f } }, 252 { { 0.3f, 0.4f }, { 0.3f, 0.4f }, { 0.3f, 0.4f }, { 0.3f, 0.4f } }, 253 254 }; 255 256 /////////////////////////////////////////////////////////////////////////////// 257 258 DEF_GM( return new RRectGM(RRectGM::kAA_Draw_Type); ) 259 DEF_GM( return new RRectGM(RRectGM::kBW_Draw_Type); ) 260 DEF_GM( return new RRectGM(RRectGM::kAA_Clip_Type); ) 261 DEF_GM( return new RRectGM(RRectGM::kBW_Clip_Type); ) 262 #if SK_SUPPORT_GPU 263 DEF_GM( return new RRectGM(RRectGM::kEffect_Type); ) 264 #endif 265 266 } 267
