nvc0: handle shader buffer memory barrier

Issue a MEM_BARRIER. No idea if this is sufficient. As there are no
tests for this, it'll have to do for now.

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>

diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_context.c b/src/gallium/drivers/nouveau/nvc0/nvc0_context.c
index 46288f64d29ccb87ccf20bdcf78baa88fcb0beb1..0eb3792db7abb89edacf8e234246261e673cb78f 100644 (file)
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_context.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_context.c
@@ -56,6 +56,7 @@ static void
 nvc0_memory_barrier(struct pipe_context *pipe, unsigned flags)
 {
    struct nvc0_context *nvc0 = nvc0_context(pipe);
+   struct nouveau_pushbuf *push = nvc0->base.pushbuf;
    int i, s;
 
    if (flags & PIPE_BARRIER_MAPPED_BUFFER) {
@@ -90,6 +91,9 @@ nvc0_memory_barrier(struct pipe_context *pipe, unsigned flags)
          }
       }
    }
+   if (flags & PIPE_BARRIER_SHADER_BUFFER) {
+      IMMED_NVC0(push, NVC0_3D(MEM_BARRIER), 0x1011);
+   }
 }
 
 static void