Remove GrLayerHoister

src/core/SkLayerInfo.h

-/*
- * Copyright 2014 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef SkLayerInfo_DEFINED
-#define SkLayerInfo_DEFINED
-
-#include "SkBigPicture.h"
-#include "SkMatrix.h"
-#include "SkPaint.h"
-#include "SkTArray.h"
-
-// This class stores information about the saveLayer/restore pairs found
-// within an SkPicture. It is used by Ganesh to perform layer hoisting.
-class SkLayerInfo : public SkBigPicture::AccelData {
-public:
-    // Information about a given saveLayer/restore block in an SkPicture
-    class BlockInfo {
-    public:
-        BlockInfo() : fPicture(nullptr), fPaint(nullptr), fKey(nullptr), fKeySize(0) {}
-        ~BlockInfo() {
-            SkSafeUnref(fPicture);
-            delete fPaint;
-            delete[] fKey;
-        }
-
-        // The picture owning the layer. If the owning picture is the top-most
-        // one (i.e., the picture for which this SkLayerInfo was created) then
-        // this pointer is nullptr. If it is a nested picture then the pointer
-        // is non-nullptr and owns a ref on the picture.
-        const SkPicture* fPicture;
-        // The device space bounds of this layer.
-        SkRect fBounds;
-        // If not-empty, the optional bounds parameter passed in to the saveLayer
-        // call.
-        SkRect fSrcBounds;
-        // The pre-matrix begins as the identity and accumulates the transforms
-        // of the containing SkPictures (if any). This matrix state has to be
-        // part of the initial matrix during replay so that it will be
-        // preserved across setMatrix calls.
-        SkMatrix fPreMat;
-        // The matrix state (in the leaf picture) in which this layer's draws
-        // must occur. It will/can be overridden by setMatrix calls in the
-        // layer itself. It does not include the translation needed to map the
-        // layer's top-left point to the origin (which must be part of the
-        // initial matrix).
-        SkMatrix fLocalMat;
-        // The paint to use on restore. Can be nullptr since it is optional.
-        const SkPaint* fPaint;
-        // The index of this saveLayer in the picture.
-        size_t  fSaveLayerOpID;
-        // The index of the matching restore in the picture.
-        size_t  fRestoreOpID;
-        // True if this saveLayer has at least one other saveLayer nested within it.
-        // False otherwise.
-        bool    fHasNestedLayers;
-        // True if this saveLayer is nested within another. False otherwise.
-        bool    fIsNested;
-        // The variable length key for this saveLayer block. It stores the
-        // thread of drawPicture and saveLayer operation indices that lead to this
-        // saveLayer (including its own op index). The BlockInfo owns this memory.
-        int* fKey;
-        int  fKeySize;  // # of ints
-    };
-
-    SkLayerInfo() {}
-
-    BlockInfo& addBlock() { return fBlocks.push_back(); }
-
-    int numBlocks() const { return fBlocks.count(); }
-
-    const BlockInfo& block(int index) const {
-        SkASSERT(index < fBlocks.count());
-
-        return fBlocks[index];
-    }
-
-private:
-    SkTArray<BlockInfo, true> fBlocks;
-
-    typedef SkBigPicture::AccelData INHERITED;
-};
-
-#endif // SkLayerInfo_DEFINED