1 /* 2 * Copyright 2016 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 #ifndef GrFixedClip_DEFINED 9 #define GrFixedClip_DEFINED 10 11 #include "GrClip.h" 12 #include "GrScissorState.h" 13 #include "GrWindowRectsState.h" 14 15 /** 16 * GrFixedClip is a clip that gets implemented by fixed-function hardware. 17 */ 18 class GrFixedClip final : public GrClip { 19 public: 20 GrFixedClip() = default; 21 explicit GrFixedClip(const SkIRect& scissorRect) : fScissorState(scissorRect) {} 22 23 const GrScissorState& scissorState() const { return fScissorState; } 24 bool scissorEnabled() const { return fScissorState.enabled(); } 25 const SkIRect& scissorRect() const { SkASSERT(scissorEnabled()); return fScissorState.rect(); } 26 27 void disableScissor() { fScissorState.setDisabled(); } 28 29 bool SK_WARN_UNUSED_RESULT intersect(const SkIRect& irect) { 30 return fScissorState.intersect(irect); 31 } 32 33 const GrWindowRectsState& windowRectsState() const { return fWindowRectsState; } 34 bool hasWindowRectangles() const { return fWindowRectsState.enabled(); } 35 36 void disableWindowRectangles() { fWindowRectsState.setDisabled(); } 37 38 void setWindowRectangles(const GrWindowRectangles& windows, GrWindowRectsState::Mode mode) { 39 fWindowRectsState.set(windows, mode); 40 } 41 42 bool quickContains(const SkRect&) const override; 43 void getConservativeBounds(int w, int h, SkIRect* devResult, bool* iior) const override; 44 bool isRRect(const SkRect& rtBounds, SkRRect* rr, GrAA*) const override; 45 bool apply(GrContext*, GrRenderTargetContext*, bool, bool, GrAppliedClip*, 46 SkRect*) const override; 47 48 static const GrFixedClip& Disabled(); 49 50 private: 51 GrScissorState fScissorState; 52 GrWindowRectsState fWindowRectsState; 53 }; 54 55 #endif 56
