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 GrClearStencilClipOp_DEFINED
       9             : #define GrClearStencilClipOp_DEFINED
      10             : 
      11             : #include "GrFixedClip.h"
      12             : #include "GrGpu.h"
      13             : #include "GrGpuCommandBuffer.h"
      14             : #include "GrOp.h"
      15             : #include "GrOpFlushState.h"
      16             : #include "GrRenderTarget.h"
      17             : 
      18           0 : class GrClearStencilClipOp final : public GrOp {
      19             : public:
      20           0 :     DEFINE_OP_CLASS_ID
      21             : 
      22             :     // MDB TODO: replace the renderTargetContext with just the renderTargetProxy.
      23             :     // For now, we need the renderTargetContext for its accessRenderTarget powers.
      24           0 :     static std::unique_ptr<GrOp> Make(const GrFixedClip& clip, bool insideStencilMask,
      25             :                                       GrRenderTargetContext* rtc) {
      26             : 
      27             :         // MDB TODO: remove this. In this hybrid state we need to be sure the RT is instantiable
      28             :         // so it can carry the IO refs. In the future we will just get the proxy and
      29             :         // it carry the IO refs.
      30           0 :         if (!rtc->accessRenderTarget()) {
      31           0 :             return nullptr;
      32             :         }
      33             : 
      34           0 :         return std::unique_ptr<GrOp>(new GrClearStencilClipOp(clip, insideStencilMask, rtc));
      35             :     }
      36             : 
      37           0 :     const char* name() const override { return "ClearStencilClip"; }
      38             : 
      39           0 :     SkString dumpInfo() const override {
      40           0 :         SkString string("Scissor [");
      41           0 :         if (fClip.scissorEnabled()) {
      42           0 :             const SkIRect& r = fClip.scissorRect();
      43           0 :             string.appendf("L: %d, T: %d, R: %d, B: %d", r.fLeft, r.fTop, r.fRight, r.fBottom);
      44             :         }
      45           0 :         string.appendf("], IC: %d, rtID: %d proxyID: %d",
      46           0 :                        fInsideStencilMask,
      47           0 :                        fRenderTarget.get()->uniqueID().asUInt(),
      48           0 :                        fProxyUniqueID.asUInt());
      49           0 :         string.append(INHERITED::dumpInfo());
      50           0 :         return string;
      51             :     }
      52             : 
      53             : private:
      54           0 :     GrClearStencilClipOp(const GrFixedClip& clip, bool insideStencilMask,
      55             :                          GrRenderTargetContext* rtc)
      56           0 :             : INHERITED(ClassID())
      57             :             , fClip(clip)
      58             :             , fInsideStencilMask(insideStencilMask)
      59           0 :             , fProxyUniqueID(rtc->asSurfaceProxy()->uniqueID()) {
      60           0 :         const SkRect& bounds = fClip.scissorEnabled()
      61           0 :                                             ? SkRect::Make(fClip.scissorRect())
      62           0 :                                             : SkRect::MakeIWH(rtc->width(), rtc->height());
      63           0 :         this->setBounds(bounds, HasAABloat::kNo, IsZeroArea::kNo);
      64             : 
      65           0 :         fRenderTarget.reset(rtc->accessRenderTarget());
      66           0 :     }
      67             : 
      68           0 :     bool onCombineIfPossible(GrOp* t, const GrCaps& caps) override { return false; }
      69             : 
      70           0 :     void onPrepare(GrOpFlushState*) override {}
      71             : 
      72           0 :     void onExecute(GrOpFlushState* state) override {
      73             :         // MDB TODO: instantiate the renderTarget from the proxy in here
      74           0 :         state->commandBuffer()->clearStencilClip(fRenderTarget.get(), fClip, fInsideStencilMask);
      75           0 :     }
      76             : 
      77             :     const GrFixedClip                                    fClip;
      78             :     const bool                                           fInsideStencilMask;
      79             :     // MDB TODO: remove this. When the renderTargetProxy carries the refs this will be redundant.
      80             :     GrSurfaceProxy::UniqueID                             fProxyUniqueID;
      81             :     GrPendingIOResource<GrRenderTarget, kWrite_GrIOType> fRenderTarget;
      82             : 
      83             :     typedef GrOp INHERITED;
      84             : };
      85             : 
      86             : #endif