remove SkGPipe

src/pipe/utils/SamplePipeControllers.h

-/*
- * Copyright 2012 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkBitmap.h"
-#include "SkChunkAlloc.h"
-#include "SkGPipe.h"
-#include "SkPicture.h"
-#include "SkTDArray.h"
-
-class SkCanvas;
-class SkMatrix;
-
-class PipeController : public SkGPipeController {
-public:
-    PipeController(SkCanvas* target, SkPicture::InstallPixelRefProc proc = nullptr);
-    virtual ~PipeController();
-    void* requestBlock(size_t minRequest, size_t* actual) override;
-    void notifyWritten(size_t bytes) override;
-protected:
-    const void* getData() { return (const char*) fBlock + fBytesWritten; }
-    SkGPipeReader fReader;
-private:
-    void* fBlock;
-    size_t fBlockSize;
-    size_t fBytesWritten;
-    SkGPipeReader::Status fStatus;
-};
-
-////////////////////////////////////////////////////////////////////////////////
-
-class TiledPipeController : public PipeController {
-public:
-    TiledPipeController(const SkBitmap&, SkPicture::InstallPixelRefProc proc = nullptr,
-                        const SkMatrix* initialMatrix = nullptr);
-    virtual ~TiledPipeController() {};
-    void notifyWritten(size_t bytes) override;
-    int numberOfReaders() const override { return NumberOfTiles; }
-private:
-    enum {
-        NumberOfTiles = 10
-    };
-    SkGPipeReader fReaders[NumberOfTiles - 1];
-    SkBitmap fBitmaps[NumberOfTiles];
-    typedef PipeController INHERITED;
-};
-
-////////////////////////////////////////////////////////////////////////////////
-
-/**
- * Borrowed (and modified) from SkDeferredCanvas.cpp::DeferredPipeController.
- * Allows playing back from multiple threads, but does not do the threading itself.
- */
-class ThreadSafePipeController : public SkGPipeController {
-public:
-    ThreadSafePipeController(int numberOfReaders);
-    void* requestBlock(size_t minRequest, size_t* actual) override;
-    void notifyWritten(size_t bytes) override;
-    int numberOfReaders() const override { return fNumberOfReaders; }
-
-    /**
-     * Play the stored drawing commands to the specified canvas. If SkGPipeWriter::startRecording
-     * used the flag SkGPipeWriter::kSimultaneousReaders_Flag, this can be called from different
-     * threads simultaneously.
-     */
-    void draw(SkCanvas*);
-private:
-    enum {
-        kMinBlockSize = 4096
-    };
-    struct PipeBlock {
-        PipeBlock(void* block, size_t bytes) { fBlock = block, fBytes = bytes; }
-        // Stream of draw commands written by the SkGPipeWriter. Allocated by fAllocator, which will
-        // handle freeing it.
-        void* fBlock;
-        // Number of bytes that were written to fBlock.
-        size_t fBytes;
-    };
-    void* fBlock;
-    size_t fBytesWritten;
-    SkChunkAlloc fAllocator;
-    SkTDArray<PipeBlock> fBlockList;
-    int fNumberOfReaders;
-};