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 "src/gpu/GrClip.h"
12#include "src/gpu/GrScissorState.h"
13#include "src/gpu/GrWindowRectsState.h"
14
15/**
16 * Implements GrHardClip with scissor and window rectangles.
17 */
18class GrFixedClip final : public GrHardClip {
19public:
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 void setScissor(const SkIRect& irect) {
30 fScissorState.set(irect);
31 }
32 bool SK_WARN_UNUSED_RESULT intersect(const SkIRect& irect) {
33 return fScissorState.intersect(irect);
34 }
35
36 const GrWindowRectsState& windowRectsState() const { return fWindowRectsState; }
37 bool hasWindowRectangles() const { return fWindowRectsState.enabled(); }
38
39 void disableWindowRectangles() { fWindowRectsState.setDisabled(); }
40
41 void setWindowRectangles(const GrWindowRectangles& windows, GrWindowRectsState::Mode mode) {
42 fWindowRectsState.set(windows, mode);
43 }
44
45 bool quickContains(const SkRect&) const override;
46 void getConservativeBounds(int w, int h, SkIRect* devResult, bool* iior) const override;
47 bool isRRect(const SkRect& rtBounds, SkRRect* rr, GrAA*) const override;
48 bool apply(int rtWidth, int rtHeight, GrAppliedHardClip*, SkRect*) const override;
49
50 static const GrFixedClip& Disabled();
51
52private:
53 GrScissorState fScissorState;
54 GrWindowRectsState fWindowRectsState;
55};
56
57#endif
58