svga: add have_sm4_1 flag, helper function

Signed-off-by: Brian Paul <brianp@vmware.com>

src/gallium/drivers/svga/svga_context.h

@@ -717,6 +717,12 @@ svga_have_vgpu10(const struct svga_context *svga)
    return svga_screen(svga->pipe.screen)->sws->have_vgpu10;
 }
 
+static inline boolean
+svga_have_sm4_1(const struct svga_context *svga)
+{
+   return svga_screen(svga->pipe.screen)->sws->have_sm4_1;
+}
+
 static inline boolean
 svga_need_to_rebind_resources(const struct svga_context *svga)
 {

src/gallium/drivers/svga/svga_winsys.h

@@ -756,6 +756,9 @@ struct svga_winsys_screen
    /** Have VGPU v10 hardware? */
    boolean have_vgpu10;
 
+   /** Have SM4_1 hardware? */
+   boolean have_sm4_1;
+
    /** To rebind resources at the beginnning of a new command buffer */
    boolean need_to_rebind_resources;