i965: Drop Gen7+ nonsense from brw_ff_gs.c.

brw_ff_gs.c is about using the geometry shader to implement things
that the fixed function ought to do, but doesn't on old hardware.

Gen7+ does not need this.  We should drop the misleading comment
about Gen7 not using geometry shaders.

Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>

diff --git a/src/mesa/drivers/dri/i965/brw_ff_gs.c b/src/mesa/drivers/dri/i965/brw_ff_gs.c
index b7b4b716011de44a2c5b6ea356daa61f5a8a1d97..a3919524df124f364ab11ba73a9bc6b688a635da 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_ff_gs.c
+++ b/src/mesa/drivers/dri/i965/brw_ff_gs.c
@@ -170,6 +170,8 @@ brw_ff_gs_populate_key(struct brw_context *brw,
 
    struct gl_context *ctx = &brw->ctx;
 
+   assert(brw->gen < 7);
+
    memset(key, 0, sizeof(*key));
 
    /* BRW_NEW_VS_PROG_DATA (part of VUE map) */
@@ -187,10 +189,7 @@ brw_ff_gs_populate_key(struct brw_context *brw,
       key->pv_first = true;
    }
 
-   if (brw->gen >= 7) {
-      /* On Gen7 and later, we don't use GS (yet). */
-      key->need_gs_prog = false;
-   } else if (brw->gen == 6) {
+   if (brw->gen == 6) {
       /* On Gen6, GS is used for transform feedback. */
       /* BRW_NEW_TRANSFORM_FEEDBACK */
       if (_mesa_is_xfb_active_and_unpaused(ctx)) {