| /* |
| * 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 |