1/*
2 * Copyright 2015 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 GrCopySurfaceOp_DEFINED
9#define GrCopySurfaceOp_DEFINED
10
11#include "GrOp.h"
12#include "GrOpFlushState.h"
13
14class GrCopySurfaceOp final : public GrOp {
15public:
16    DEFINE_OP_CLASS_ID
17
18    static std::unique_ptr<GrOp> Make(GrSurfaceProxy* dst, GrSurfaceProxy* src,
19                                      const SkIRect& srcRect,
20                                      const SkIPoint& dstPoint);
21
22    const char* name() const override { return "CopySurface"; }
23
24    SkString dumpInfo() const override {
25        SkString string;
26        string.append(INHERITED::dumpInfo());
27        string.printf("srcProxyID: %d, dstProxyID: %d,\n"
28                      "srcRect: [ L: %d, T: %d, R: %d, B: %d ], dstPt: [ X: %d, Y: %d ]\n",
29                      fSrc.get()->uniqueID().asUInt(),
30                      fDst.get()->uniqueID().asUInt(),
31                      fSrcRect.fLeft, fSrcRect.fTop, fSrcRect.fRight, fSrcRect.fBottom,
32                      fDstPoint.fX, fDstPoint.fY);
33        return string;
34    }
35
36    bool needsCommandBufferIsolation() const override { return true; }
37
38private:
39    GrCopySurfaceOp(GrSurfaceProxy* dst, GrSurfaceProxy* src,
40                    const SkIRect& srcRect, const SkIPoint& dstPoint)
41            : INHERITED(ClassID())
42            , fDst(dst)
43            , fSrc(src)
44            , fSrcRect(srcRect)
45            , fDstPoint(dstPoint) {
46        SkRect bounds =
47                SkRect::MakeXYWH(SkIntToScalar(dstPoint.fX), SkIntToScalar(dstPoint.fY),
48                                 SkIntToScalar(srcRect.width()), SkIntToScalar(srcRect.height()));
49        this->setBounds(bounds, HasAABloat::kNo, IsZeroArea::kNo);
50    }
51
52    bool onCombineIfPossible(GrOp* that, const GrCaps& caps) override { return false; }
53
54    void onPrepare(GrOpFlushState*) override {}
55
56    void onExecute(GrOpFlushState* state) override;
57
58    // For RenderTargetContexts 'fDst' is redundant with the RenderTarget that will be passed
59    // into onExecute in the drawOpArgs.
60    GrPendingIOResource<GrSurfaceProxy, kWrite_GrIOType> fDst;
61    GrPendingIOResource<GrSurfaceProxy, kRead_GrIOType>  fSrc;
62    SkIRect                                              fSrcRect;
63    SkIPoint                                             fDstPoint;
64
65    typedef GrOp INHERITED;
66};
67
68#endif
69