diff options
Diffstat (limited to 'src/gallium/auxiliary/os/os_stream_wd.c')
| -rw-r--r-- | src/gallium/auxiliary/os/os_stream_wd.c | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/src/gallium/auxiliary/os/os_stream_wd.c b/src/gallium/auxiliary/os/os_stream_wd.c deleted file mode 100644 index a64cbcab4c..0000000000 --- a/src/gallium/auxiliary/os/os_stream_wd.c +++ /dev/null @@ -1,222 +0,0 @@ -/************************************************************************** - * - * Copyright 2008-2010 VMware, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -/** - * @file - * Stream implementation for the Windows Display driver. - */ - -#include "pipe/p_config.h" - -#if defined(PIPE_SUBSYSTEM_WINDOWS_DISPLAY) - -#include <windows.h> -#include <winddi.h> - -#include "os_memory.h" -#include "os_stream.h" - - -#define MAP_FILE_SIZE (4*1024*1024) - - -struct os_stream -{ - char filename[MAX_PATH + 1]; - WCHAR wFileName[MAX_PATH + 1]; - boolean growable; - size_t map_size; - ULONG_PTR iFile; - char *pMap; - size_t written; - unsigned suffix; -}; - - -static INLINE boolean -os_stream_map(struct os_stream *stream) -{ - ULONG BytesInUnicodeString; - static char filename[MAX_PATH + 1]; - unsigned filename_len; - - if(stream->growable) - filename_len = snprintf(filename, - sizeof(filename), - "%s.%04x", - stream->filename, - stream->suffix++); - else - filename_len = snprintf(filename, - sizeof(filename), - "%s", - stream->filename); - - EngMultiByteToUnicodeN( - stream->wFileName, - sizeof(stream->wFileName), - &BytesInUnicodeString, - filename, - filename_len); - - stream->pMap = EngMapFile(stream->wFileName, stream->map_size, &stream->iFile); - if(!stream->pMap) - return FALSE; - - memset(stream->pMap, 0, stream->map_size); - stream->written = 0; - - return TRUE; -} - - -static INLINE void -os_stream_unmap(struct os_stream *stream) -{ - EngUnmapFile(stream->iFile); - if(stream->written < stream->map_size) { - /* Truncate file size */ - stream->pMap = EngMapFile(stream->wFileName, stream->written, &stream->iFile); - if(stream->pMap) - EngUnmapFile(stream->iFile); - } - - stream->pMap = NULL; -} - - -static INLINE void -os_stream_full_qualified_filename(char *dst, size_t size, const char *src) -{ - boolean need_drive, need_root; - - if((('A' <= src[0] && src[0] <= 'Z') || ('a' <= src[0] && src[0] <= 'z')) && src[1] == ':') { - need_drive = FALSE; - need_root = src[2] == '\\' ? FALSE : TRUE; - } - else { - need_drive = TRUE; - need_root = src[0] == '\\' ? FALSE : TRUE; - } - - snprintf(dst, size, - "\\??\\%s%s%s", - need_drive ? "C:" : "", - need_root ? "\\" : "", - src); -} - - -struct os_stream * -os_stream_create(const char *filename, size_t max_size) -{ - struct os_stream *stream; - - stream = CALLOC_STRUCT(os_stream); - if(!stream) - goto error1; - - os_stream_full_qualified_filename(stream->filename, - sizeof(stream->filename), - filename); - - if(max_size) { - stream->growable = FALSE; - stream->map_size = max_size; - } - else { - stream->growable = TRUE; - stream->map_size = MAP_FILE_SIZE; - } - - if(!os_stream_map(stream)) - goto error2; - - return stream; - -error2: - FREE(stream); -error1: - return NULL; -} - - -static INLINE void -os_stream_copy(struct os_stream *stream, const char *data, size_t size) -{ - assert(stream->written + size <= stream->map_size); - memcpy(stream->pMap + stream->written, data, size); - stream->written += size; -} - - -boolean -os_stream_write(struct os_stream *stream, const void *data, size_t size) -{ - if(!stream) - return FALSE; - - if(!stream->pMap) - return FALSE; - - while(stream->written + size > stream->map_size) { - size_t step = stream->map_size - stream->written; - os_stream_copy(stream, data, step); - data = (const char *)data + step; - size -= step; - - os_stream_unmap(stream); - if(!stream->growable || !os_stream_map(stream)) - return FALSE; - } - - os_stream_copy(stream, data, size); - - return TRUE; -} - - -void -os_stream_flush(struct os_stream *stream) -{ - (void)stream; -} - - -void -os_stream_close(struct os_stream *stream) -{ - if(!stream) - return; - - os_stream_unmap(stream); - - FREE(stream); -} - - -#endif |