| /* |
| * Copyright (C) 2021 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| #ifndef __COMMAND_BUFFER_STAGING_STREAM_H |
| #define __COMMAND_BUFFER_STAGING_STREAM_H |
| |
| #include "IOStream.h" |
| |
| class CommandBufferStagingStream : public IOStream { |
| public: |
| explicit CommandBufferStagingStream(); |
| ~CommandBufferStagingStream(); |
| |
| virtual size_t idealAllocSize(size_t len); |
| virtual void *allocBuffer(size_t minSize); |
| virtual int commitBuffer(size_t size); |
| virtual const unsigned char *readFully( void *buf, size_t len); |
| virtual const unsigned char *read( void *buf, size_t *inout_len); |
| virtual int writeFully(const void *buf, size_t len); |
| virtual const unsigned char *commitBufferAndReadFully(size_t size, void *buf, size_t len); |
| |
| void getWritten(unsigned char** bufOut, size_t* sizeOut); |
| void reset(); |
| |
| private: |
| unsigned char* m_buf; |
| size_t m_size; |
| uint32_t m_writePos; |
| }; |
| |
| #endif |