From: José Fonseca Date: Mon, 8 Sep 2008 02:09:23 +0000 (+0900) Subject: util: Rip-off trace's os-independent stream code. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=86a15954bf2adad0ab0dc5713a5bb446c9584103;p=mesa.git util: Rip-off trace's os-independent stream code. --- diff --git a/src/gallium/auxiliary/util/Makefile b/src/gallium/auxiliary/util/Makefile index 61f4344d170..d3951e4e7d7 100644 --- a/src/gallium/auxiliary/util/Makefile +++ b/src/gallium/auxiliary/util/Makefile @@ -15,6 +15,8 @@ C_SOURCES = \ u_rect.c \ u_simple_shaders.c \ u_snprintf.c \ + u_stream_stdc.c \ + u_stream_wd.c \ u_tile.c \ u_time.c \ u_timed_winsys.c diff --git a/src/gallium/auxiliary/util/SConscript b/src/gallium/auxiliary/util/SConscript index ce3fad7068e..e65c17b1cc8 100644 --- a/src/gallium/auxiliary/util/SConscript +++ b/src/gallium/auxiliary/util/SConscript @@ -16,6 +16,8 @@ util = env.ConvenienceLibrary( 'u_rect.c', 'u_simple_shaders.c', 'u_snprintf.c', + 'u_stream_stdc.c', + 'u_stream_wd.c', 'u_tile.c', 'u_time.c', ]) diff --git a/src/gallium/auxiliary/util/u_stream.h b/src/gallium/auxiliary/util/u_stream.h new file mode 100644 index 00000000000..516e634a990 --- /dev/null +++ b/src/gallium/auxiliary/util/u_stream.h @@ -0,0 +1,56 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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 TUNGSTEN GRAPHICS 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 + * Cross-platform sequential access stream abstraction. + */ + +#ifndef U_STREAM_H +#define U_STREAM_H + + +#include "pipe/p_compiler.h" + + +struct util_stream; + + +struct util_stream * +util_stream_create(const char *filename); + +boolean +util_stream_write(struct util_stream *stream, const void *data, size_t size); + +void +util_stream_flush(struct util_stream *stream); + +void +util_stream_close(struct util_stream *stream); + + +#endif /* U_STREAM_H */ diff --git a/src/gallium/auxiliary/util/u_stream_stdc.c b/src/gallium/auxiliary/util/u_stream_stdc.c new file mode 100644 index 00000000000..03c845b6a78 --- /dev/null +++ b/src/gallium/auxiliary/util/u_stream_stdc.c @@ -0,0 +1,104 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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 TUNGSTEN GRAPHICS 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 based on the Standard C Library. + */ + +#include "pipe/p_config.h" + +#if defined(PIPE_OS_LINUX) + +#include + +#include "util/u_memory.h" + +#include "u_stream.h" + + +struct util_stream +{ + FILE *file; +}; + + +struct util_stream * +util_stream_create(const char *filename) +{ + struct util_stream *stream; + + stream = CALLOC_STRUCT(util_stream); + if(!stream) + goto error1; + + stream->file = fopen(filename, "w"); + if(!stream->file) + goto error2; + + return stream; + +error2: + FREE(stream); +error1: + return NULL; +} + + +boolean +util_stream_write(struct util_stream *stream, const void *data, size_t size) +{ + if(!stream) + return FALSE; + + return fwrite(data, size, 1, stream->file) == size ? TRUE : FALSE; +} + + +void +util_stream_flush(struct util_stream *stream) +{ + if(!stream) + return; + + fflush(stream->file); +} + + +void +util_stream_close(struct util_stream *stream) +{ + if(!stream) + return; + + fclose(stream->file); + + FREE(stream); +} + + +#endif diff --git a/src/gallium/auxiliary/util/u_stream_wd.c b/src/gallium/auxiliary/util/u_stream_wd.c new file mode 100644 index 00000000000..c8bb2ad0117 --- /dev/null +++ b/src/gallium/auxiliary/util/u_stream_wd.c @@ -0,0 +1,183 @@ +/************************************************************************** + * + * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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 TUNGSTEN GRAPHICS 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 +#include + +#include "util/u_memory.h" +#include "util/u_string.h" + +#include "u_stream.h" + + +#define MAP_FILE_SIZE (4*1024*1024) + + +struct util_stream +{ + char filename[MAX_PATH + 1]; + WCHAR wFileName[MAX_PATH + 1]; + ULONG_PTR iFile; + char *pMap; + size_t written; + unsigned suffix; +}; + + +static INLINE boolean +util_stream_map(struct util_stream *stream) +{ + ULONG BytesInUnicodeString; + static char filename[MAX_PATH + 1]; + unsigned filename_len; + + filename_len = util_snprintf(filename, + sizeof(filename), + "\\??\\%s.%04x", + stream->filename, + stream->suffix++); + + EngMultiByteToUnicodeN( + stream->wFileName, + sizeof(stream->wFileName), + &BytesInUnicodeString, + filename, + filename_len); + + stream->pMap = EngMapFile(stream->wFileName, MAP_FILE_SIZE, &stream->iFile); + if(!stream->pMap) + return FALSE; + + memset(stream->pMap, 0, MAP_FILE_SIZE); + stream->written = 0; + + return TRUE; +} + + +static INLINE void +util_stream_unmap(struct util_stream *stream) +{ + EngUnmapFile(stream->iFile); + if(stream->written < MAP_FILE_SIZE) { + /* Truncate file size */ + stream->pMap = EngMapFile(stream->wFileName, stream->written, &stream->iFile); + if(stream->pMap) + EngUnmapFile(stream->iFile); + } + + stream->pMap = NULL; +} + + +struct util_stream * +util_stream_create(const char *filename) +{ + struct util_stream *stream; + + stream = CALLOC_STRUCT(util_stream); + if(!stream) + goto error1; + + strncpy(stream->filename, filename, sizeof(stream->filename)); + + if(!util_stream_map(stream)) + goto error2; + + return stream; + +error2: + FREE(stream); +error1: + return NULL; +} + + +static INLINE void +util_stream_copy(struct util_stream *stream, const char *data, size_t size) +{ + assert(stream->written + size <= MAP_FILE_SIZE); + memcpy(stream->pMap + stream->written, data, size); + stream->written += size; +} + + +boolean +util_stream_write(struct util_stream *stream, const void *data, size_t size) +{ + if(!stream) + return FALSE; + + if(!stream->pMap) + return FALSE; + + while(stream->written + size > MAP_FILE_SIZE) { + size_t step = MAP_FILE_SIZE - stream->written; + util_stream_copy(stream, data, step); + data = (const char *)data + step; + size -= step; + + util_stream_unmap(stream); + if(!util_stream_map(stream)) + return FALSE; + } + + util_stream_copy(stream, data, size); + + return TRUE; +} + + +void +util_stream_flush(struct util_stream *stream) +{ + (void)stream; +} + + +void +util_stream_close(struct util_stream *stream) +{ + if(!stream) + return; + + util_stream_unmap(stream); + + FREE(stream); +} + + +#endif