Line data    Source code

       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           0 : class GrFixedClip final : public GrClip {
      19             : public:
      20           0 :     GrFixedClip() = default;
      21           0 :     explicit GrFixedClip(const SkIRect& scissorRect) : fScissorState(scissorRect) {}
      22             : 
      23           0 :     const GrScissorState& scissorState() const { return fScissorState; }
      24           0 :     bool scissorEnabled() const { return fScissorState.enabled(); }
      25           0 :     const SkIRect& scissorRect() const { SkASSERT(scissorEnabled()); return fScissorState.rect(); }
      26             : 
      27           0 :     void disableScissor() { fScissorState.setDisabled(); }
      28             : 
      29           0 :     bool SK_WARN_UNUSED_RESULT intersect(const SkIRect& irect) {
      30           0 :         return fScissorState.intersect(irect);
      31             :     }
      32             : 
      33           0 :     const GrWindowRectsState& windowRectsState() const { return fWindowRectsState; }
      34           0 :     bool hasWindowRectangles() const { return fWindowRectsState.enabled(); }
      35             : 
      36             :     void disableWindowRectangles() { fWindowRectsState.setDisabled(); }
      37             : 
      38           0 :     void setWindowRectangles(const GrWindowRectangles& windows, GrWindowRectsState::Mode mode) {
      39           0 :         fWindowRectsState.set(windows, mode);
      40           0 :     }
      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