| Index: include/pipe/SkGPipe.h
|
| diff --git a/include/pipe/SkGPipe.h b/include/pipe/SkGPipe.h
|
| deleted file mode 100644
|
| index 9446b8159f05df933e896a24dafda7509a72e835..0000000000000000000000000000000000000000
|
| --- a/include/pipe/SkGPipe.h
|
| +++ /dev/null
|
| @@ -1,174 +0,0 @@
|
| -/*
|
| - * Copyright 2011 Google Inc.
|
| - *
|
| - * Use of this source code is governed by a BSD-style license that can be
|
| - * found in the LICENSE file.
|
| - */
|
| -
|
| -
|
| -
|
| -#ifndef SkGPipe_DEFINED
|
| -#define SkGPipe_DEFINED
|
| -
|
| -#include "SkFlattenable.h"
|
| -#include "SkPicture.h"
|
| -#include "SkWriter32.h"
|
| -
|
| -class SkCanvas;
|
| -
|
| -// XLib.h might have defined Status already (ugh)
|
| -#ifdef Status
|
| - #undef Status
|
| -#endif
|
| -
|
| -class SkGPipeReader {
|
| -public:
|
| - SkGPipeReader();
|
| - SkGPipeReader(SkCanvas* target);
|
| - ~SkGPipeReader();
|
| -
|
| - enum Status {
|
| - kDone_Status, //!< no more data expected from reader
|
| - kEOF_Status, //!< need more data from reader
|
| - kError_Status, //!< encountered error
|
| - kReadAtom_Status//!< finished reading an atom
|
| - };
|
| -
|
| - enum PlaybackFlags {
|
| - kReadAtom_PlaybackFlag = 0x1, //!< playback a single command from the stream
|
| - kSilent_PlaybackFlag = 0x2, //!< playback without drawing
|
| - };
|
| -
|
| - void setCanvas(SkCanvas*);
|
| -
|
| - /**
|
| - * Set a function for decoding bitmaps that have encoded data.
|
| - */
|
| - void setBitmapDecoder(SkPicture::InstallPixelRefProc proc) { fProc = proc; }
|
| -
|
| - // data must be 4-byte aligned
|
| - // length must be a multiple of 4
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| - Status playback(const void* data, size_t length, uint32_t playbackFlags = 0,
|
| - size_t* bytesRead = NULL);
|
| -private:
|
| - SkCanvas* fCanvas;
|
| - class SkGPipeState* fState;
|
| - SkPicture::InstallPixelRefProc fProc;
|
| -};
|
| -
|
| -///////////////////////////////////////////////////////////////////////////////
|
| -
|
| -class SkGPipeCanvas;
|
| -
|
| -class SkGPipeController {
|
| -public:
|
| - SkGPipeController() : fCanvas(NULL) {}
|
| - virtual ~SkGPipeController();
|
| -
|
| - /**
|
| - * Called periodically by the writer, to get a working buffer of RAM to
|
| - * write into. The actual size of the block is also returned, and must be
|
| - * actual >= minRequest. If NULL is returned, then actual is ignored and
|
| - * writing will stop.
|
| - *
|
| - * The returned block must be 4-byte aligned, and actual must be a
|
| - * multiple of 4.
|
| - * minRequest will always be a multiple of 4.
|
| - */
|
| - virtual void* requestBlock(size_t minRequest, size_t* actual) = 0;
|
| -
|
| - /**
|
| - * This is called each time some atomic portion of the data has been
|
| - * written to the block (most recently returned by requestBlock()).
|
| - * If bytes == 0, then the writer has finished.
|
| - *
|
| - * bytes will always be a multiple of 4.
|
| - */
|
| - virtual void notifyWritten(size_t bytes) = 0;
|
| - virtual int numberOfReaders() const { return 1; }
|
| -
|
| - /**
|
| - * Release resource references that are held in internal caches.
|
| - * This must only be called after the pipe has been completely flushed.
|
| - */
|
| - void purgeCaches();
|
| -
|
| -private:
|
| - friend class SkGPipeWriter;
|
| - void setCanvas(SkGPipeCanvas*);
|
| -
|
| - SkGPipeCanvas* fCanvas;
|
| -};
|
| -
|
| -class SkGPipeWriter {
|
| -public:
|
| - SkGPipeWriter();
|
| - ~SkGPipeWriter();
|
| -
|
| - bool isRecording() const { return SkToBool(fCanvas); }
|
| -
|
| - enum Flags {
|
| - /**
|
| - * Tells the writer that the reader will be in a different process, so
|
| - * (for example) we cannot put function pointers in the stream.
|
| - */
|
| - kCrossProcess_Flag = 1 << 0,
|
| -
|
| - /**
|
| - * Only meaningful if kCrossProcess_Flag is set. Tells the writer that
|
| - * in spite of being cross process, it will have shared address space
|
| - * with the reader, so the two can share large objects (like SkBitmaps).
|
| - */
|
| - kSharedAddressSpace_Flag = 1 << 1,
|
| -
|
| - /**
|
| - * Tells the writer that there will be multiple threads reading the stream
|
| - * simultaneously.
|
| - */
|
| - kSimultaneousReaders_Flag = 1 << 2,
|
| - };
|
| -
|
| - SkCanvas* startRecording(SkGPipeController*, uint32_t flags = 0,
|
| - uint32_t width = kDefaultRecordingCanvasSize,
|
| - uint32_t height = kDefaultRecordingCanvasSize);
|
| -
|
| - // called in destructor, but can be called sooner once you know there
|
| - // should be no more drawing calls made into the recording canvas.
|
| - void endRecording();
|
| -
|
| - /**
|
| - * Tells the writer to commit all recorded draw commands to the
|
| - * controller immediately.
|
| - * @param detachCurrentBlock Set to true to request that the next draw
|
| - * command be recorded in a new block.
|
| - */
|
| - void flushRecording(bool detachCurrentBlock);
|
| -
|
| - /**
|
| - * Return the amount of bytes being used for recording. Note that this
|
| - * does not include the amount of storage written to the stream, which is
|
| - * controlled by the SkGPipeController.
|
| - * Currently only returns the amount used for SkBitmaps, since they are
|
| - * potentially unbounded (if the client is not calling playback).
|
| - */
|
| - size_t storageAllocatedForRecording() const;
|
| -
|
| - /**
|
| - * Attempt to reduce the storage allocated for recording by evicting
|
| - * cache resources.
|
| - * @param bytesToFree minimum number of bytes that should be attempted to
|
| - * be freed.
|
| - * @return number of bytes actually freed.
|
| - */
|
| - size_t freeMemoryIfPossible(size_t bytesToFree);
|
| -
|
| -private:
|
| - enum {
|
| - kDefaultRecordingCanvasSize = 32767,
|
| - };
|
| -
|
| - SkGPipeCanvas* fCanvas;
|
| - SkWriter32 fWriter;
|
| -};
|
| -
|
| -#endif
|
|
|