ilo: introduce vertex element CSO

Introduce ilo_ve_cso and initialize it in create_vertex_elements_state().
This commit goes a step further by setting up mappings from HW VB to PIPE VB,
which we failed to do previously.  That allows us to support instanced
rendering.

1 files changed, 16 insertions, 1 deletions

diff --git a/src/gallium/drivers/ilo/ilo_gpe.h b/src/gallium/drivers/ilo/ilo_gpe.h
index dc4e80eb97e..ae813b1e839 100644
--- a/src/gallium/drivers/ilo/ilo_gpe.h
+++ b/src/gallium/drivers/ilo/ilo_gpe.h
@@ -62,9 +62,18 @@ struct ilo_ib_state {
    struct pipe_index_buffer state;
 };
 
+struct ilo_ve_cso {
+   /* VERTEX_ELEMENT_STATE */
+   uint32_t payload[2];
+};
+
 struct ilo_ve_state {
-   struct pipe_vertex_element states[PIPE_MAX_ATTRIBS];
+   struct ilo_ve_cso cso[PIPE_MAX_ATTRIBS];
    unsigned count;
+
+   unsigned instance_divisors[PIPE_MAX_ATTRIBS];
+   unsigned vb_mapping[PIPE_MAX_ATTRIBS];
+   unsigned vb_count;
 };
 
 struct ilo_so_state {
@@ -191,6 +200,12 @@ struct ilo_global_binding {
 };
 
 void
+ilo_gpe_init_ve(const struct ilo_dev_info *dev,
+                unsigned num_states,
+                const struct pipe_vertex_element *states,
+                struct ilo_ve_state *ve);
+
+void
 ilo_gpe_set_viewport_cso(const struct ilo_dev_info *dev,
                          const struct pipe_viewport_state *state,
                          struct ilo_viewport_cso *vp);