r300g,radeong: finish and enable the immediate mode

Nearly 100% performance increase in glxgears.

1 files changed, 22 insertions, 0 deletions

diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c
index e2ec0bc5bd2..641e95e7fca 100644
--- a/src/gallium/drivers/r300/r300_state.c
+++ b/src/gallium/drivers/r300/r300_state.c
@@ -924,6 +924,22 @@ static void r300_set_vertex_buffers(struct pipe_context* pipe,
     r300->dirty_state |= R300_NEW_VERTEX_FORMAT;
 }
 
+static boolean r300_validate_aos(struct r300_context *r300)
+{
+    struct pipe_vertex_buffer *vbuf = r300->vertex_buffer;
+    struct pipe_vertex_element *velem = r300->vertex_element;
+    int i;
+
+    /* Check if formats and strides are aligned to the size of DWORD. */
+    for (i = 0; i < r300->vertex_element_count; i++) {
+        if (vbuf[velem[i].vertex_buffer_index].stride % 4 != 0 ||
+            util_format_get_blocksize(velem[i].src_format) % 4 != 0) {
+            return FALSE;
+        }
+    }
+    return TRUE;
+}
+
 static void r300_set_vertex_elements(struct pipe_context* pipe,
                                     unsigned count,
                                     const struct pipe_vertex_element* elements)
@@ -939,6 +955,12 @@ static void r300_set_vertex_elements(struct pipe_context* pipe,
         draw_flush(r300->draw);
         draw_set_vertex_elements(r300->draw, count, elements);
     }
+
+    if (!r300_validate_aos(r300)) {
+        /* XXX We should fallback using draw. */
+        assert(0);
+        abort();
+    }
 }
 
 static void* r300_create_vs_state(struct pipe_context* pipe,