mesa: port the LastLookedUpVAO optimisation to _mesa_lookup_vao()
It was only used in the errors path.
Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
diff --git a/src/mesa/main/arrayobj.c b/src/mesa/main/arrayobj.c
index 600177c..88a5702 100644
--- a/src/mesa/main/arrayobj.c
+++ b/src/mesa/main/arrayobj.c
@@ -66,11 +66,23 @@
struct gl_vertex_array_object *
_mesa_lookup_vao(struct gl_context *ctx, GLuint id)
{
- if (id == 0)
+ if (id == 0) {
return NULL;
- else
- return (struct gl_vertex_array_object *)
- _mesa_HashLookupLocked(ctx->Array.Objects, id);
+ } else {
+ struct gl_vertex_array_object *vao;
+
+ if (ctx->Array.LastLookedUpVAO &&
+ ctx->Array.LastLookedUpVAO->Name == id) {
+ vao = ctx->Array.LastLookedUpVAO;
+ } else {
+ vao = (struct gl_vertex_array_object *)
+ _mesa_HashLookupLocked(ctx->Array.Objects, id);
+
+ _mesa_reference_vao(ctx, &ctx->Array.LastLookedUpVAO, vao);
+ }
+
+ return vao;
+ }
}