st/mesa: add PIPE_CAP_GLSL_FEATURE_LEVEL, cleanup st_extensions.c

v2: handle the cap in r300 and r600 as well

Additional info for r600g:
   The env var R600_GLSL130=1 enables GLSL 1.3.
   Along with R600_STREAMOUT=1, it enables full GL 3.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index 37bbc43f325..6cafeafbe19 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -132,6 +132,8 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
    case PIPE_CAP_VERTEX_COLOR_UNCLAMPED: /* draw module */
    case PIPE_CAP_VERTEX_COLOR_CLAMPED: /* draw module */
       return 1;
+   case PIPE_CAP_GLSL_FEATURE_LEVEL:
+      return 130;
    default:
       return 0;
    }