1 files changed, 104 insertions, 0 deletions
diff --git a/src/gallium/targets/libgl-xlib/xlib.c b/src/gallium/targets/libgl-xlib/xlib.c
new file mode 100644
index 0000000000..7cae0884e8
--- /dev/null
+++ b/src/gallium/targets/libgl-xlib/xlib.c
@@ -0,0 +1,104 @@
+/**************************************************************************
+ * 
+ * Copyright 2007 Tungsten Graphics, Inc., Bismarck, ND., USA
+ * 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 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
+ * THE COPYRIGHT HOLDERS, AUTHORS 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.
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ * 
+ * 
+ **************************************************************************/
+
+/*
+ * Authors:
+ *   Keith Whitwell
+ */
+
+#include "state_tracker/xlib_sw_winsys.h"
+#include "xm_winsys.h"
+#include "util/u_debug.h"
+
+
+/* advertise OpenGL support */
+PUBLIC const int st_api_OpenGL = 1;
+
+static void _init( void ) __attribute__((constructor));
+
+/* Build the rendering stack.
+ */
+static void _init( void )
+{
+   struct xm_driver *driver;
+
+   /* Initialize the xlib software winsys.  Later on, once Display and
+    * other parameters are known, this will be used to create the
+    * gallium driver (such as softpipe), etc.
+    */
+   driver = xlib_sw_winsys_init();
+
+   /* Initialize the xlib libgl code, pass in the winsys:
+    */
+   xmesa_set_driver( driver );
+}
+
+
+/***********************************************************************
+ *
+ * Butt-ugly hack to convince the linker not to throw away public GL
+ * symbols (they are all referenced from getprocaddress, I guess).
+ */
+extern void (*linker_foo(const unsigned char *procName))();
+extern void (*glXGetProcAddress(const unsigned char *procName))();
+
+extern void (*linker_foo(const unsigned char *procName))()
+{
+   return glXGetProcAddress(procName);
+}
+
+
+/**
+ * When GLX_INDIRECT_RENDERING is defined, some symbols are missing in
+ * libglapi.a.  We need to define them here.
+ */
+#ifdef GLX_INDIRECT_RENDERING
+
+#define GL_GLEXT_PROTOTYPES
+#include "GL/gl.h"
+#include "glapi/glapi.h"
+#include "glapi/glapitable.h"
+#include "glapi/glapidispatch.h"
+
+#if defined(USE_MGL_NAMESPACE)
+#define NAME(func)  mgl##func
+#else
+#define NAME(func)  gl##func
+#endif
+
+#define DISPATCH(FUNC, ARGS, MESSAGE)		\
+   CALL_ ## FUNC(GET_DISPATCH(), ARGS);
+
+#define RETURN_DISPATCH(FUNC, ARGS, MESSAGE) 	\
+   return CALL_ ## FUNC(GET_DISPATCH(), ARGS);
+
+/* skip normal ones */
+#define _GLAPI_SKIP_NORMAL_ENTRY_POINTS
+#include "glapi/glapitemp.h"
+
+#endif /* GLX_INDIRECT_RENDERING */