1 files changed, 52 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_hal.c b/src/mesa/drivers/dri/i965/brw_hal.c
new file mode 100644
index 00000000000..3126102749b
--- /dev/null
+++ b/src/mesa/drivers/dri/i965/brw_hal.c
@@ -0,0 +1,52 @@
+/*
+ Copyright (C) Intel Corp.  2006.  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, sublicense, 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 NONINFRINGEMENT.
+ IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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 "intel_batchbuffer.h"
+#include "brw_context.h"
+#include "brw_state.h"
+#include "brw_defines.h"
+#include "brw_hal.h"
+#include <dlfcn.h>
+
+static void *brw_hal_lib;
+static GLboolean brw_hal_tried;
+
+void *
+brw_hal_find_symbol (char *symbol)
+{
+    if (!brw_hal_tried)
+    {
+	char *brw_hal_name = getenv ("INTEL_HAL");
+    
+	if (!brw_hal_name)
+	    brw_hal_name = "/usr/lib/xorg/modules/drivers/intel_hal.so";
+
+	brw_hal_lib = dlopen (brw_hal_name, RTLD_LAZY|RTLD_LOCAL);
+	brw_hal_tried = 1;
+    }
+    if (!brw_hal_lib)
+	return NULL;
+    return dlsym (brw_hal_lib, symbol);
+}