diff options
Diffstat (limited to 'emulator/opengl/host/include/libOpenglRender/IOStream.h')
-rw-r--r-- | emulator/opengl/host/include/libOpenglRender/IOStream.h | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/emulator/opengl/host/include/libOpenglRender/IOStream.h b/emulator/opengl/host/include/libOpenglRender/IOStream.h deleted file mode 100644 index 445ec17..0000000 --- a/emulator/opengl/host/include/libOpenglRender/IOStream.h +++ /dev/null @@ -1,102 +0,0 @@ -/* -* Copyright (C) 2011 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 __IO_STREAM_H__ -#define __IO_STREAM_H__ - -#include <stdlib.h> -#include <stdio.h> - -#include "ErrorLog.h" - -class IOStream { -public: - - IOStream(size_t bufSize) { - m_buf = NULL; - m_bufsize = bufSize; - m_free = 0; - } - - virtual void *allocBuffer(size_t minSize) = 0; - virtual int commitBuffer(size_t size) = 0; - virtual const unsigned char *readFully( void *buf, size_t len) = 0; - virtual const unsigned char *read( void *buf, size_t *inout_len) = 0; - virtual int writeFully(const void* buf, size_t len) = 0; - - virtual ~IOStream() { - - // NOTE: m_buf is 'owned' by the child class thus we expect it to be released by it - } - - unsigned char *alloc(size_t len) { - - if (m_buf && len > m_free) { - if (flush() < 0) { - ERR("Failed to flush in alloc\n"); - return NULL; // we failed to flush so something is wrong - } - } - - if (!m_buf || len > m_bufsize) { - int allocLen = m_bufsize < len ? len : m_bufsize; - m_buf = (unsigned char *)allocBuffer(allocLen); - if (!m_buf) { - ERR("Alloc (%u bytes) failed\n", allocLen); - return NULL; - } - m_bufsize = m_free = allocLen; - } - - unsigned char *ptr; - - ptr = m_buf + (m_bufsize - m_free); - m_free -= len; - - return ptr; - } - - int flush() { - - if (!m_buf || m_free == m_bufsize) return 0; - - int stat = commitBuffer(m_bufsize - m_free); - m_buf = NULL; - m_free = 0; - return stat; - } - - const unsigned char *readback(void *buf, size_t len) { - flush(); - return readFully(buf, len); - } - - -private: - unsigned char *m_buf; - size_t m_bufsize; - size_t m_free; -}; - -// -// When a client opens a connection to the renderer, it should -// send unsigned int value indicating the "clientFlags". -// The following are the bitmask of the clientFlags. -// currently only one bit is used which flags the server -// it should exit. -// -#define IOSTREAM_CLIENT_EXIT_SERVER 1 - -#endif |