X-Git-Url: https://gerrit.akraino.org/r/gitweb?a=blobdiff_plain;f=src%2Ftype3_AndroidCloud%2Fanbox-master%2Fexternal%2Fandroid-emugl%2Fhost%2Finclude%2FlibOpenglRender%2FIOStream.h;fp=src%2Ftype3_AndroidCloud%2Fanbox-master%2Fexternal%2Fandroid-emugl%2Fhost%2Finclude%2FlibOpenglRender%2FIOStream.h;h=2f228e4e9934df9374ec632ef21a47768df7c878;hb=e26c1ec581be598521517829adba8c8dd23a768f;hp=0000000000000000000000000000000000000000;hpb=6699c1aea74eeb0eb400e6299079f0c7576f716f;p=iec.git diff --git a/src/type3_AndroidCloud/anbox-master/external/android-emugl/host/include/libOpenglRender/IOStream.h b/src/type3_AndroidCloud/anbox-master/external/android-emugl/host/include/libOpenglRender/IOStream.h new file mode 100644 index 0000000..2f228e4 --- /dev/null +++ b/src/type3_AndroidCloud/anbox-master/external/android-emugl/host/include/libOpenglRender/IOStream.h @@ -0,0 +1,85 @@ +/* +* 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 +#include + +class IOStream { +public: + IOStream(size_t bufSize) { + m_buf = NULL; + m_bufsize = bufSize; + m_free = 0; + } + + virtual void *allocBuffer(size_t minSize) = 0; + virtual size_t commitBuffer(size_t size) = 0; + virtual const unsigned char *read(void *buf, size_t *inout_len) = 0; + virtual void forceStop() = 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) + 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 = static_cast(allocBuffer(allocLen)); + if (!m_buf) + 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; + } + +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