Refugee from Dead Machine 4: MDB Monster

src/gpu/GrDrawTarget.h

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrDrawTarget_DEFINED
 #define GrDrawTarget_DEFINED
 
@@ skipping 14 matching lines @@
 #include "SkClipStack.h"
 #include "SkMatrix.h"
 #include "SkPath.h"
 #include "SkStringUtils.h"
 #include "SkStrokeRec.h"
 #include "SkTArray.h"
 #include "SkTLazy.h"
 #include "SkTypes.h"
 #include "SkXfermode.h"
 
-//#define ENABLE_MDB 1
+#define ENABLE_MDB 1
 
 class GrBatch;
 class GrClip;
 class GrCaps;
+class GrFoo;
 class GrPath;
 class GrDrawPathBatchBase;
 class GrPathRangeDraw;
+class GrDrawContext;
+class GrDrawTarget;
+
 
 class GrDrawTarget final : public SkRefCnt {
 public:
     // The context may not be fully constructed and should not be used during GrDrawTarget
     // construction.
     GrDrawTarget(GrRenderTarget* rt, GrGpu* gpu, GrResourceProvider*);
 
+    ///////////////////////////////////////////////////////////////////////////
+    bool isEmpty3() const {
+        return fBatches.count() == 0;
+    }
+
+    void addRequiredDep(GrDrawTarget* srcDT) {
+        *fRequired.push() = srcDT;
+    }
+
+    // fRequired dependances are from the TextureAccess system
+    SkTDArray<GrDrawTarget*> fRequired;
+
+    GrRenderTarget* rt_delete_me() { return fRenderTarget; }
+
+    ///////////////////////////////////////////////////////////////////////////
+
     ~GrDrawTarget() override;
 
     void makeClosed() {
         // We only close drawTargets When MDB is enabled. When MDB is disabled there is only
         // ever one drawTarget and all calls will be funnelled into it.
 #ifdef ENABLE_MDB
         this->setFlag(kClosed_Flag);
 #endif
     }
     bool isClosed() const { return this->isSetFlag(kClosed_Flag); }
@@ skipping 228 matching lines @@
     // Check to see if this set of draw commands has been sent out
     void getPathStencilSettingsForFilltype(GrPathRendering::FillType,
                                            const GrStencilAttachment*,
                                            GrStencilSettings*);
     bool setupClip(const GrPipelineBuilder&,
                            GrPipelineBuilder::AutoRestoreFragmentProcessorState*,
                            GrPipelineBuilder::AutoRestoreStencil*,
                            GrScissorState*,
                            const SkRect* devBounds);
 
+    void checkUses() const;
+
     void addDependency(GrDrawTarget* dependedOn);
 
     // Used only by CMM.
     void clearStencilClip(const SkIRect&, bool insideClip, GrRenderTarget*);
 
     SkSTArray<256, SkAutoTUnref<GrBatch>, true> fBatches;
     SkAutoTDelete<GrClipMaskManager>            fClipMaskManager;
     // The context is only in service of the clip mask manager, remove once CMM doesn't need this.
     GrContext*                                  fContext;
     GrGpu*                                      fGpu;
     GrResourceProvider*                         fResourceProvider;
     bool                                        fFlushing;
 
     SkDEBUGCODE(int                             fDebugID;)
     uint32_t                                    fFlags;
 
     // 'this' drawTarget relies on the output of the drawTargets in 'fDependencies'
     SkTDArray<GrDrawTarget*>                    fDependencies;
     GrRenderTarget*                             fRenderTarget;
 
     typedef SkRefCnt INHERITED;
 };
 
 #endif