intel/blorp: Use documented RECTLIST vertex positions

Use the vertex positions described in the PRMs. This has no effect on
rendering but quiets the simulator warnings seen when the vertices
appear out of order.

Signed-off-by: Nanley Chery <nanley.g.chery@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>

diff --git a/src/intel/blorp/blorp_genX_exec.h b/src/intel/blorp/blorp_genX_exec.h
index eb4a5b9f05ad11b414556bb9afb425692e7c3f8f..62f16a3ad7a79705ca374a35126f3cd75ce71bc9 100644 (file)
--- a/src/intel/blorp/blorp_genX_exec.h
+++ b/src/intel/blorp/blorp_genX_exec.h
@@ -171,8 +171,8 @@ blorp_emit_vertex_data(struct blorp_batch *batch,
                        uint32_t *size)
 {
    const float vertices[] = {
-      /* v0 */ (float)params->x0, (float)params->y1,
-      /* v1 */ (float)params->x1, (float)params->y1,
+      /* v0 */ (float)params->x1, (float)params->y1,
+      /* v1 */ (float)params->x0, (float)params->y1,
       /* v2 */ (float)params->x0, (float)params->y0,
    };
 
@@ -287,7 +287,7 @@ blorp_emit_vertex_elements(struct blorp_batch *batch,
     *   v2 ------ implied
     *    |        |
     *    |        |
-    *   v0 ----- v1
+    *   v1 ----- v0
     *
     * Since the VS is disabled, the clipper loads each VUE directly from
     * the URB. This is controlled by the 3DSTATE_VERTEX_BUFFERS and