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 #include "sk_tool_utils.h" 10 #if SK_SUPPORT_GPU 11 #include "GrContext.h" 12 #include "GrRenderTargetContextPriv.h" 13 #include "effects/GrRRectEffect.h" 14 #include "ops/GrDrawOp.h" 15 #include "ops/GrRectOpFactory.h" 16 #endif 17 #include "SkRRect.h" 18 19 namespace skiagm { 20 21 /////////////////////////////////////////////////////////////////////////////// 22 23 class RRectGM : public GM { 24 public: 25 enum Type { 26 kBW_Draw_Type, 27 kAA_Draw_Type, 28 kBW_Clip_Type, 29 kAA_Clip_Type, 30 kEffect_Type, 31 }; RRectGM(Type type)32 RRectGM(Type type) : fType(type) { } 33 34 protected: 35 onOnceBeforeDraw()36 void onOnceBeforeDraw() override { 37 this->setBGColor(sk_tool_utils::color_to_565(0xFFDDDDDD)); 38 this->setUpRRects(); 39 } 40 onShortName()41 SkString onShortName() override { 42 SkString name("rrect"); 43 switch (fType) { 44 case kBW_Draw_Type: 45 name.append("_draw_bw"); 46 break; 47 case kAA_Draw_Type: 48 name.append("_draw_aa"); 49 break; 50 case kBW_Clip_Type: 51 name.append("_clip_bw"); 52 break; 53 case kAA_Clip_Type: 54 name.append("_clip_aa"); 55 break; 56 case kEffect_Type: 57 name.append("_effect"); 58 break; 59 } 60 return name; 61 } 62 onISize()63 SkISize onISize() override { return SkISize::Make(kImageWidth, kImageHeight); } 64 onDraw(SkCanvas * canvas)65 void onDraw(SkCanvas* canvas) override { 66 GrRenderTargetContext* renderTargetContext = 67 canvas->internal_private_accessTopLayerRenderTargetContext(); 68 if (kEffect_Type == fType && !renderTargetContext) { 69 skiagm::GM::DrawGpuOnlyMessage(canvas); 70 return; 71 } 72 73 SkPaint paint; 74 if (kAA_Draw_Type == fType) { 75 paint.setAntiAlias(true); 76 } 77 78 const SkRect kMaxTileBound = SkRect::MakeWH(SkIntToScalar(kTileX), 79 SkIntToScalar(kTileY)); 80 #ifdef SK_DEBUG 81 const SkRect kMaxImageBound = SkRect::MakeWH(SkIntToScalar(kImageWidth), 82 SkIntToScalar(kImageHeight)); 83 #endif 84 85 #if SK_SUPPORT_GPU 86 int lastEdgeType = (kEffect_Type == fType) ? kLast_GrProcessorEdgeType: 0; 87 #else 88 int lastEdgeType = 0; 89 #endif 90 91 int y = 1; 92 for (int et = 0; et <= lastEdgeType; ++et) { 93 int x = 1; 94 for (int curRRect = 0; curRRect < kNumRRects; ++curRRect) { 95 bool drew = true; 96 #ifdef SK_DEBUG 97 SkASSERT(kMaxTileBound.contains(fRRects[curRRect].getBounds())); 98 SkRect imageSpaceBounds = fRRects[curRRect].getBounds(); 99 imageSpaceBounds.offset(SkIntToScalar(x), SkIntToScalar(y)); 100 SkASSERT(kMaxImageBound.contains(imageSpaceBounds)); 101 #endif 102 canvas->save(); 103 canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); 104 if (kEffect_Type == fType) { 105 #if SK_SUPPORT_GPU 106 SkRRect rrect = fRRects[curRRect]; 107 rrect.offset(SkIntToScalar(x), SkIntToScalar(y)); 108 GrPrimitiveEdgeType edgeType = (GrPrimitiveEdgeType) et; 109 sk_sp<GrFragmentProcessor> fp(GrRRectEffect::Make(edgeType, rrect)); 110 if (fp) { 111 GrPaint grPaint; 112 grPaint.setXPFactory(GrPorterDuffXPFactory::Get(SkBlendMode::kSrc)); 113 grPaint.addCoverageFragmentProcessor(std::move(fp)); 114 115 SkRect bounds = rrect.getBounds(); 116 bounds.outset(2.f, 2.f); 117 118 std::unique_ptr<GrMeshDrawOp> op(GrRectOpFactory::MakeNonAAFill( 119 0xff000000, SkMatrix::I(), bounds, nullptr, nullptr)); 120 renderTargetContext->priv().testingOnly_addMeshDrawOp( 121 std::move(grPaint), GrAAType::kNone, std::move(op)); 122 } else { 123 drew = false; 124 } 125 #endif 126 } else if (kBW_Clip_Type == fType || kAA_Clip_Type == fType) { 127 bool aaClip = (kAA_Clip_Type == fType); 128 canvas->clipRRect(fRRects[curRRect], aaClip); 129 canvas->drawRect(kMaxTileBound, paint); 130 } else { 131 canvas->drawRRect(fRRects[curRRect], paint); 132 } 133 canvas->restore(); 134 if (drew) { 135 x = x + kTileX; 136 if (x > kImageWidth) { 137 x = 1; 138 y += kTileY; 139 } 140 } 141 } 142 if (x != 1) { 143 y += kTileY; 144 } 145 } 146 } 147 setUpRRects()148 void setUpRRects() { 149 // each RRect must fit in a 0x0 -> (kTileX-2)x(kTileY-2) block. These will be tiled across 150 // the screen in kTileX x kTileY tiles. The extra empty pixels on each side are for AA. 151 152 // simple cases 153 fRRects[0].setRect(SkRect::MakeWH(kTileX-2, kTileY-2)); 154 fRRects[1].setOval(SkRect::MakeWH(kTileX-2, kTileY-2)); 155 fRRects[2].setRectXY(SkRect::MakeWH(kTileX-2, kTileY-2), 10, 10); 156 fRRects[3].setRectXY(SkRect::MakeWH(kTileX-2, kTileY-2), 10, 5); 157 // small circular corners are an interesting test case for gpu clipping 158 fRRects[4].setRectXY(SkRect::MakeWH(kTileX-2, kTileY-2), 1, 1); 159 fRRects[5].setRectXY(SkRect::MakeWH(kTileX-2, kTileY-2), 0.5f, 0.5f); 160 fRRects[6].setRectXY(SkRect::MakeWH(kTileX-2, kTileY-2), 0.2f, 0.2f); 161 162 // The first complex case needs special handling since it is a square 163 fRRects[kNumSimpleCases].setRectRadii(SkRect::MakeWH(kTileY-2, kTileY-2), gRadii[0]); 164 for (size_t i = 1; i < SK_ARRAY_COUNT(gRadii); ++i) { 165 fRRects[kNumSimpleCases+i].setRectRadii(SkRect::MakeWH(kTileX-2, kTileY-2), gRadii[i]); 166 } 167 } 168 169 private: 170 Type fType; 171 172 static constexpr int kImageWidth = 640; 173 static constexpr int kImageHeight = 480; 174 175 static constexpr int kTileX = 80; 176 static constexpr int kTileY = 40; 177 178 static constexpr int kNumSimpleCases = 7; 179 static constexpr int kNumComplexCases = 35; 180 static const SkVector gRadii[kNumComplexCases][4]; 181 182 static constexpr int kNumRRects = kNumSimpleCases + kNumComplexCases; 183 SkRRect fRRects[kNumRRects]; 184 185 typedef GM INHERITED; 186 }; 187 188 // Radii for the various test cases. Order is UL, UR, LR, LL 189 const SkVector RRectGM::gRadii[kNumComplexCases][4] = { 190 // a circle 191 { { kTileY, kTileY }, { kTileY, kTileY }, { kTileY, kTileY }, { kTileY, kTileY } }, 192 193 // odd ball cases 194 { { 8, 8 }, { 32, 32 }, { 8, 8 }, { 32, 32 } }, 195 { { 16, 8 }, { 8, 16 }, { 16, 8 }, { 8, 16 } }, 196 { { 0, 0 }, { 16, 16 }, { 8, 8 }, { 32, 32 } }, 197 198 // UL 199 { { 30, 30 }, { 0, 0 }, { 0, 0 }, { 0, 0 } }, 200 { { 30, 15 }, { 0, 0 }, { 0, 0 }, { 0, 0 } }, 201 { { 15, 30 }, { 0, 0 }, { 0, 0 }, { 0, 0 } }, 202 203 // UR 204 { { 0, 0 }, { 30, 30 }, { 0, 0 }, { 0, 0 } }, 205 { { 0, 0 }, { 30, 15 }, { 0, 0 }, { 0, 0 } }, 206 { { 0, 0 }, { 15, 30 }, { 0, 0 }, { 0, 0 } }, 207 208 // LR 209 { { 0, 0 }, { 0, 0 }, { 30, 30 }, { 0, 0 } }, 210 { { 0, 0 }, { 0, 0 }, { 30, 15 }, { 0, 0 } }, 211 { { 0, 0 }, { 0, 0 }, { 15, 30 }, { 0, 0 } }, 212 213 // LL 214 { { 0, 0 }, { 0, 0 }, { 0, 0 }, { 30, 30 } }, 215 { { 0, 0 }, { 0, 0 }, { 0, 0 }, { 30, 15 } }, 216 { { 0, 0 }, { 0, 0 }, { 0, 0 }, { 15, 30 } }, 217 218 // over-sized radii 219 { { 0, 0 }, { 100, 400 }, { 0, 0 }, { 0, 0 } }, 220 { { 0, 0 }, { 400, 400 }, { 0, 0 }, { 0, 0 } }, 221 { { 400, 400 }, { 400, 400 }, { 400, 400 }, { 400, 400 } }, 222 223 // circular corner tabs 224 { { 0, 0 }, { 20, 20 }, { 20, 20 }, { 0, 0 } }, 225 { { 20, 20 }, { 20, 20 }, { 0, 0 }, { 0, 0 } }, 226 { { 0, 0 }, { 0, 0 }, { 20, 20 }, { 20, 20 } }, 227 { { 20, 20 }, { 0, 0 }, { 0, 0 }, { 20, 20 } }, 228 229 // small radius circular corner tabs 230 { { 0, 0 }, { 0.2f, 0.2f }, { 0.2f, 0.2f }, { 0, 0 } }, 231 { { 0.3f, 0.3f }, { 0.3f, .3f }, { 0, 0 }, { 0, 0 } }, 232 233 // single circular corner cases 234 { { 0, 0 }, { 0, 0 }, { 0, 0 }, { 15, 15 } }, 235 { { 0, 0 }, { 0, 0 }, { 15, 15 }, { 0, 0 } }, 236 { { 0, 0 }, { 15, 15 }, { 0, 0 }, { 0, 0 } }, 237 { { 15, 15 }, { 0, 0 }, { 0, 0 }, { 0, 0 } }, 238 239 // nine patch elliptical 240 { { 5, 7 }, { 8, 7 }, { 8, 12 }, { 5, 12 } }, 241 { { 0, 7 }, { 8, 7 }, { 8, 12 }, { 0, 12 } }, 242 243 // nine patch elliptical, small radii 244 { { 0.4f, 7 }, { 8, 7 }, { 8, 12 }, { 0.4f, 12 } }, 245 { { 0.4f, 0.4f }, { 8, 0.4f }, { 8, 12 }, { 0.4f, 12 } }, 246 { { 20, 0.4f }, { 18, 0.4f }, { 18, 0.4f }, { 20, 0.4f } }, 247 { { 0.3f, 0.4f }, { 0.3f, 0.4f }, { 0.3f, 0.4f }, { 0.3f, 0.4f } }, 248 249 }; 250 251 /////////////////////////////////////////////////////////////////////////////// 252 253 DEF_GM( return new RRectGM(RRectGM::kAA_Draw_Type); ) 254 DEF_GM( return new RRectGM(RRectGM::kBW_Draw_Type); ) 255 DEF_GM( return new RRectGM(RRectGM::kAA_Clip_Type); ) 256 DEF_GM( return new RRectGM(RRectGM::kBW_Clip_Type); ) 257 #if SK_SUPPORT_GPU 258 DEF_GM( return new RRectGM(RRectGM::kEffect_Type); ) 259 #endif 260 261 } 262