i965_drv_video: don't export internal driver functions.

Make sure to use our internal functions. In particular, we override
some DRM functions and they have to be used. e.g. this fixes VA/GLX.

i965_drv_video/Makefile.am

@@ -23,7 +23,6 @@
 SUBDIRS = shaders
 
 INCLUDES = \
-	-Wall			\
 	-I$(top_srcdir)		\
 	-I$(top_srcdir)/va	\
 	-I$(top_srcdir)/va/x11	\
@@ -31,6 +30,11 @@ INCLUDES = \
 	$(DRM_CFLAGS)		\
 	$(NULL)
 
+driver_cflags = \
+	-Wall			\
+	-fvisibility=hidden	\
+	$(NULL)
+
 driver_ldflags = \
 	-module -avoid-version	\
 	-no-undefined		\
@@ -88,6 +92,7 @@ source_h = \
 
 i965_drv_video_la_LTLIBRARIES	= i965_drv_video.la
 i965_drv_video_ladir		= $(LIBVA_DRIVERS_PATH)
+i965_drv_video_la_CFLAGS	= $(driver_cflags)
 i965_drv_video_la_LDFLAGS	= $(driver_ldflags)
 i965_drv_video_la_LIBADD	= $(top_builddir)/va/libva-x11.la -lpthread
 i965_drv_video_la_SOURCES	= $(source_c)

i965_drv_video/i965_drv_video.c

@@ -2522,6 +2522,9 @@ i965_UnlockSurface(
     return vaStatus;
 }
 
+VAStatus DLL_EXPORT
+VA_DRIVER_INIT_FUNC(VADriverContextP ctx);
+
 VAStatus 
 VA_DRIVER_INIT_FUNC(  VADriverContextP ctx )
 {

i965_drv_video/intel_compiler.h

@@ -12,4 +12,15 @@
 #  define INLINE
 #endif
 
+/**
+ * Function visibility
+ */
+#if defined(__GNUC__)
+#  define DLL_HIDDEN __attribute__((visibility("hidden")))
+#  define DLL_EXPORT __attribute__((visibility("default")))
+#else
+#  define DLL_HIDDEN
+#  define DLL_EXPORT
+#endif
+
 #endif /* _INTEL_COMPILER_H_ */