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authorJosé Fonseca <jrfonseca@tungstengraphics.com>2008-08-06 21:36:25 +0100
committerJosé Fonseca <jrfonseca@tungstengraphics.com>2008-08-07 18:58:29 +0100
commit35355f7610b69dcd2fdba451db4554478fe0acaa (patch)
tree3aeaf3fe1ac7271c60493e823b8b6c8a2e52d378 /src/gallium/drivers/trace/tr_stream.c
parent1ee500ac73fa657f02321c46cf5d9a4bfdea54de (diff)
trace: New pipe driver to trace incoming calls.
Only pipe_screen calls traced, and only linux supported, for now.
Diffstat (limited to 'src/gallium/drivers/trace/tr_stream.c')
-rw-r--r--src/gallium/drivers/trace/tr_stream.c100
1 files changed, 100 insertions, 0 deletions
diff --git a/src/gallium/drivers/trace/tr_stream.c b/src/gallium/drivers/trace/tr_stream.c
new file mode 100644
index 00000000000..14cc257e154
--- /dev/null
+++ b/src/gallium/drivers/trace/tr_stream.c
@@ -0,0 +1,100 @@
+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+#include "pipe/p_config.h"
+
+#if defined(PIPE_OS_LINUX)
+#include <stdio.h>
+#else
+#error Unsupported platform
+#endif
+
+#include "pipe/p_util.h"
+
+#include "tr_stream.h"
+
+
+struct trace_stream
+{
+#if defined(PIPE_OS_LINUX)
+ FILE *file;
+#endif
+};
+
+
+struct trace_stream *
+trace_stream_create(const char *name, const char *ext)
+{
+ struct trace_stream *stream;
+ static unsigned file_no = 0;
+ char filename[1024];
+
+ stream = CALLOC_STRUCT(trace_stream);
+ if(!stream)
+ goto error1;
+
+ snprintf(filename, sizeof(filename), "%s.%u.%s", name, file_no, ext);
+
+#if defined(PIPE_OS_LINUX)
+ stream->file = fopen(filename, "w");
+ if(!stream->file)
+ goto error2;
+#endif
+
+ return stream;
+
+error2:
+ FREE(stream);
+error1:
+ return NULL;
+}
+
+
+boolean
+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
+}
+
+
+void
+trace_stream_close(struct trace_stream *stream)
+{
+ if(!stream)
+ return;
+
+#if defined(PIPE_OS_LINUX)
+ fclose(stream->file);
+#endif
+
+ FREE(stream);
+}