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authorJosé Fonseca <jrfonseca@tungstengraphics.com>2008-08-16 19:45:05 +0100
committerJosé Fonseca <jrfonseca@tungstengraphics.com>2008-08-18 20:47:41 +0100
commit747762f379f05d127865de77615d6e4dd46be191 (patch)
tree6e1f8f4f6d3dc53d6f709adac07dfc549c077c8e
parentd042f415fc9edcc174573fc2cc06afa373a7ef9b (diff)
trace: Preliminary stream implementation for GDI.
-rw-r--r--src/gallium/drivers/trace/SConscript3
-rw-r--r--src/gallium/drivers/trace/tr_stream_stdc.c (renamed from src/gallium/drivers/trace/tr_stream.c)22
-rw-r--r--src/gallium/drivers/trace/tr_stream_wd.c134
3 files changed, 145 insertions, 14 deletions
diff --git a/src/gallium/drivers/trace/SConscript b/src/gallium/drivers/trace/SConscript
index a21ced9176..5c49468c4e 100644
--- a/src/gallium/drivers/trace/SConscript
+++ b/src/gallium/drivers/trace/SConscript
@@ -9,7 +9,8 @@ trace = env.ConvenienceLibrary(
'tr_dump.c',
'tr_screen.c',
'tr_state.c',
- 'tr_stream.c',
+ 'tr_stream_stdc.c',
+ 'tr_stream_wd.c',
'tr_texture.c',
'tr_winsys.c',
])
diff --git a/src/gallium/drivers/trace/tr_stream.c b/src/gallium/drivers/trace/tr_stream_stdc.c
index d008dbac27..4c77e1c995 100644
--- a/src/gallium/drivers/trace/tr_stream.c
+++ b/src/gallium/drivers/trace/tr_stream_stdc.c
@@ -25,13 +25,16 @@
*
**************************************************************************/
+/**
+ * @file
+ * Stream implementation based on the Standard C Library.
+ */
+
#include "pipe/p_config.h"
#if defined(PIPE_OS_LINUX)
+
#include <stdio.h>
-#else
-#error Unsupported platform
-#endif
#include "pipe/p_util.h"
@@ -40,9 +43,7 @@
struct trace_stream
{
-#if defined(PIPE_OS_LINUX)
FILE *file;
-#endif
};
@@ -55,11 +56,9 @@ trace_stream_create(const char *filename)
if(!stream)
goto error1;
-#if defined(PIPE_OS_LINUX)
stream->file = fopen(filename, "w");
if(!stream->file)
goto error2;
-#endif
return stream;
@@ -76,9 +75,7 @@ trace_stream_write(struct trace_stream *stream, const void *data, size_t size)
if(!stream)
return FALSE;
-#if defined(PIPE_OS_LINUX)
return fwrite(data, size, 1, stream->file) == size ? TRUE : FALSE;
-#endif
}
@@ -88,9 +85,7 @@ trace_stream_flush(struct trace_stream *stream)
if(!stream)
return;
-#if defined(PIPE_OS_LINUX)
fflush(stream->file);
-#endif
}
@@ -100,9 +95,10 @@ trace_stream_close(struct trace_stream *stream)
if(!stream)
return;
-#if defined(PIPE_OS_LINUX)
fclose(stream->file);
-#endif
FREE(stream);
}
+
+
+#endif
diff --git a/src/gallium/drivers/trace/tr_stream_wd.c b/src/gallium/drivers/trace/tr_stream_wd.c
new file mode 100644
index 0000000000..9a05c0cec8
--- /dev/null
+++ b/src/gallium/drivers/trace/tr_stream_wd.c
@@ -0,0 +1,134 @@
+/**************************************************************************
+ *
+ * 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 <windows.h>
+#include <winddi.h>
+
+#include "pipe/p_util.h"
+
+#include "tr_stream.h"
+
+
+#define MAP_FILE_SIZE (4*1024*1024)
+
+
+struct trace_stream
+{
+ WCHAR wFileName[MAX_PATH + 1];
+ ULONG_PTR iFile;
+ char *pMap;
+ size_t written;
+};
+
+
+struct trace_stream *
+trace_stream_create(const char *filename)
+{
+ struct trace_stream *stream;
+ ULONG BytesInUnicodeString;
+
+ stream = CALLOC_STRUCT(trace_stream);
+ if(!stream)
+ goto error1;
+
+ EngMultiByteToUnicodeN(
+ stream->wFileName,
+ sizeof(stream->wFileName),
+ &BytesInUnicodeString,
+ (char *)filename,
+ strlen(filename));
+
+ stream->pMap = EngMapFile(stream->wFileName, MAP_FILE_SIZE, &stream->iFile);
+ if(!stream->pMap)
+ goto error2;
+
+ return stream;
+
+error2:
+ FREE(stream);
+error1:
+ return NULL;
+}
+
+
+boolean
+trace_stream_write(struct trace_stream *stream, const void *data, size_t size)
+{
+ boolean ret;
+
+ if(!stream)
+ return FALSE;
+
+ if(stream->written + size > MAP_FILE_SIZE) {
+ ret = FALSE;
+ size = MAP_FILE_SIZE - stream->written;
+ }
+ else
+ ret = TRUE;
+
+ memcpy(stream->pMap + stream->written, data, size);
+ stream->written += size;
+
+ return ret;
+}
+
+
+void
+trace_stream_flush(struct trace_stream *stream)
+{
+ (void)stream;
+}
+
+
+void
+trace_stream_close(struct trace_stream *stream)
+{
+ if(!stream)
+ return;
+
+ 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);
+ }
+
+ FREE(stream);
+}
+
+
+#endif