1 /* 2 * Copyright 2024 Google LLC 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 #ifndef skgpu_graphite_geom_NonMSAAClip_DEFINED 9 #define skgpu_graphite_geom_NonMSAAClip_DEFINED 10 11 #include "src/gpu/graphite/geom/Rect.h" 12 13 namespace skgpu::graphite { 14 15 /** 16 * Represents a rect or rrect clip with any non-rect corners having the same circular radii. 17 */ 18 struct AnalyticClip { 19 // Indicate which edges are adjacent to circular corners. 20 enum EdgeFlags { 21 kLeft_EdgeFlag = 0b0001, 22 kTop_EdgeFlag = 0b0010, 23 kRight_EdgeFlag = 0b0100, 24 kBottom_EdgeFlag = 0b1000, 25 26 kNone_EdgeFlag = 0b0000, 27 kAll_EdgeFlag = 0b1111, 28 }; 29 // These defaults will produce no clip 30 Rect fBounds = { 0, 0, 0, 0 }; // Bounds of clip 31 float fRadius = 0; // Circular radius, if any 32 uint32_t fEdgeFlags = kNone_EdgeFlag; 33 bool fInverted = true; 34 isEmptyAnalyticClip35 bool isEmpty() const { return fBounds.isEmptyNegativeOrNaN(); } edgeSelectRectAnalyticClip36 SkRect edgeSelectRect() const { 37 return { fEdgeFlags & kLeft_EdgeFlag ? 1.f : 0.f, 38 fEdgeFlags & kTop_EdgeFlag ? 1.f : 0.f, 39 fEdgeFlags & kRight_EdgeFlag ? 1.f : 0.f, 40 fEdgeFlags & kBottom_EdgeFlag ? 1.f : 0.f }; 41 } 42 }; 43 44 /** 45 * Represents a clip that uses a mask in an atlas 46 */ 47 struct AtlasClip { 48 SkIRect fMaskBounds; 49 SkIPoint fOutPos; 50 sk_sp<TextureProxy> fAtlasTexture; 51 isEmptyAtlasClip52 bool isEmpty() const { return !SkToBool(fAtlasTexture.get()); } 53 }; 54 55 /** 56 * Combined non-MSAA clip structure 57 */ 58 struct NonMSAAClip { 59 AnalyticClip fAnalyticClip; 60 AtlasClip fAtlasClip; 61 isEmptyNonMSAAClip62 bool isEmpty() const { return fAnalyticClip.isEmpty() && fAtlasClip.isEmpty(); } 63 }; 64 65 } // namespace skgpu::graphite 66 67 #endif // skgpu_graphite_geom_NonMSAAClip_DEFINED 68