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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrCopySurfaceOp_DEFINED
#define GrCopySurfaceOp_DEFINED
#include "GrGpu.h"
#include "GrOp.h"
#include "GrOpFlushState.h"
#include "GrRenderTarget.h"
class GrCopySurfaceOp final : public GrOp {
public:
DEFINE_OP_CLASS_ID
/** This should not really be exposed as Create() will apply this clipping, but there is
* currently a workaround in GrContext::copySurface() for non-render target dsts that relies
* on it. */
static bool ClipSrcRectAndDstPoint(const GrSurface* dst,
const GrSurface* src,
const SkIRect& srcRect,
const SkIPoint& dstPoint,
SkIRect* clippedSrcRect,
SkIPoint* clippedDstPoint);
static sk_sp<GrOp> Make(GrSurface* dst, GrSurface* src, const SkIRect& srcRect,
const SkIPoint& dstPoint);
const char* name() const override { return "CopySurface"; }
// TODO: this needs to be updated to return GrSurfaceProxy::UniqueID
GrGpuResource::UniqueID renderTargetUniqueID() const override {
// Copy surface doesn't work through a GrGpuCommandBuffer. By returning an invalid RT ID we
// force the caller to end the previous command buffer and execute this copy before
// beginning a new one.
return GrGpuResource::UniqueID::InvalidID();
}
SkString dumpInfo() const override {
SkString string;
string.printf(
"SRC: 0x%p, DST: 0x%p, SRECT: [L: %d, T: %d, R: %d, B: %d], "
"DPT:[X: %d, Y: %d]",
fDst.get(), fSrc.get(), fSrcRect.fLeft, fSrcRect.fTop, fSrcRect.fRight,
fSrcRect.fBottom, fDstPoint.fX, fDstPoint.fY);
string.append(INHERITED::dumpInfo());
return string;
}
private:
GrCopySurfaceOp(GrSurface* dst, GrSurface* src, const SkIRect& srcRect,
const SkIPoint& dstPoint)
: INHERITED(ClassID()), fDst(dst), fSrc(src), fSrcRect(srcRect), fDstPoint(dstPoint) {
SkRect bounds =
SkRect::MakeXYWH(SkIntToScalar(dstPoint.fX), SkIntToScalar(dstPoint.fY),
SkIntToScalar(srcRect.width()), SkIntToScalar(srcRect.height()));
this->setBounds(bounds, HasAABloat::kNo, IsZeroArea::kNo);
}
bool onCombineIfPossible(GrOp* that, const GrCaps& caps) override { return false; }
void onPrepare(GrOpFlushState*) override {}
void onDraw(GrOpFlushState* state, const SkRect& /*bounds*/) override {
if (!state->commandBuffer()) {
state->gpu()->copySurface(fDst.get(), fSrc.get(), fSrcRect, fDstPoint);
} else {
// Currently we are not sending copies through the GrGpuCommandBuffer. See comment in
// renderTargetUniqueID().
SkASSERT(false);
}
}
GrPendingIOResource<GrSurface, kWrite_GrIOType> fDst;
GrPendingIOResource<GrSurface, kRead_GrIOType> fSrc;
SkIRect fSrcRect;
SkIPoint fDstPoint;
typedef GrOp INHERITED;
};
#endif
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