svga: Add Galahad and Softpipe to scons build

src/gallium/targets/dri-vmwgfx/SConscript

@@ -2,14 +2,14 @@ Import('*')
 
 env = drienv.Clone()
 
-env.Append(CPPDEFINES = ['GALLIUM_RBUG', 'GALLIUM_TRACE'])
+if True:
+    env.Append(CPPDEFINES = ['GALLIUM_TRACE', 'GALLIUM_RBUG', 'GALLIUM_GALAHAD', 'GALLIUM_SOFTPIPE'])
+    env.Prepend(LIBS = [trace, rbug, galahad, softpipe, ws_wrapper])
 
 env.Prepend(LIBS = [
     st_dri,
     svgadrm,
     svga,
-    trace,
-    rbug,
     mesa,
     glsl,
     gallium,

src/gallium/targets/dri-vmwgfx/target.c

@@ -1,4 +1,5 @@
 
+#include "target-helpers/inline_wrapper_sw_helper.h"
 #include "target-helpers/inline_debug_helper.h"
 #include "state_tracker/drm_driver.h"
 #include "svga/drm/svga_drm_public.h"
@@ -18,6 +19,8 @@ create_screen(int fd)
    if (!screen)
       return NULL;
 
+   screen = sw_screen_wrap(screen);
+
    screen = debug_screen_wrap(screen);
 
    return screen;