Nouveau: fix nv20_vertex_layout()

The function should update nv20->vertex_info, and not just a
local struct that's thrown away immediately.

Fixes a SIGFPE due to vbuf->vertex_size = 0 in vbuf_alloc_vertices().

Signed-off-by: Pekka Paalanen <pq@iki.fi>

diff --git a/src/gallium/drivers/nv20/nv20_state_emit.c b/src/gallium/drivers/nv20/nv20_state_emit.c
index 2302943..e8dd229 100644 (file)
--- a/src/gallium/drivers/nv20/nv20_state_emit.c
+++ b/src/gallium/drivers/nv20/nv20_state_emit.c
@@ -168,28 +168,28 @@ static void nv20_vertex_layout(struct nv20_context *nv20)
        struct nv20_fragment_program *fp = nv20->fragprog.current;
        uint32_t src = 0;
        int i;
-       struct vertex_info vinfo;
+       struct vertex_info *vinfo = &nv20->vertex_info;
 
-       memset(&vinfo, 0, sizeof(vinfo));
+       memset(vinfo, 0, sizeof(*vinfo));
 
        for (i = 0; i < fp->info.num_inputs; i++) {
                switch (fp->info.input_semantic_name[i]) {
                        case TGSI_SEMANTIC_POSITION:
-                               draw_emit_vertex_attr(&vinfo, EMIT_4F, INTERP_LINEAR, src++);
+                               draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_LINEAR, src++);
                                break;
                        case TGSI_SEMANTIC_COLOR:
-                               draw_emit_vertex_attr(&vinfo, EMIT_4F, INTERP_LINEAR, src++);
+                               draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_LINEAR, src++);
                                break;
                        default:
                        case TGSI_SEMANTIC_GENERIC:
-                               draw_emit_vertex_attr(&vinfo, EMIT_4F, INTERP_PERSPECTIVE, src++);
+                               draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_PERSPECTIVE, src++);
                                break;
                        case TGSI_SEMANTIC_FOG:
-                               draw_emit_vertex_attr(&vinfo, EMIT_4F, INTERP_PERSPECTIVE, src++);
+                               draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_PERSPECTIVE, src++);
                                break;
                }
        }
-       draw_compute_vertex_size(&vinfo);
+       draw_compute_vertex_size(vinfo);
 }
 
 void