[Mesa-dev] [PATCH 1/2] anv: Drop URB entry output read handling in 3DSTATE_XS.

Kenneth Graunke kenneth at whitecape.org
Fri Oct 27 01:38:11 UTC 2017


Commit 566a0c43f0b9fbf5106161471dd5061c7275f761 started setting the
3DSTATE_SBE bit to override these values with the one calculated there.

So, they're dead.  Stop setting them.
---
 src/intel/vulkan/genX_pipeline.c | 26 --------------------------
 1 file changed, 26 deletions(-)

diff --git a/src/intel/vulkan/genX_pipeline.c b/src/intel/vulkan/genX_pipeline.c
index c2fa9c0ff7f..326fc30dd31 100644
--- a/src/intel/vulkan/genX_pipeline.c
+++ b/src/intel/vulkan/genX_pipeline.c
@@ -1109,22 +1109,6 @@ get_scratch_space(const struct anv_shader_bin *bin)
    return ffs(bin->prog_data->total_scratch / 2048);
 }
 
-static uint32_t
-get_urb_output_offset()
-{
-   /* Skip the VUE header and position slots */
-   return 1;
-}
-
-UNUSED static uint32_t
-get_urb_output_length(const struct anv_shader_bin *bin)
-{
-   const struct brw_vue_prog_data *prog_data =
-      (const struct brw_vue_prog_data *)bin->prog_data;
-
-   return (prog_data->vue_map.num_slots + 1) / 2 - get_urb_output_offset();
-}
-
 static void
 emit_3dstate_vs(struct anv_pipeline *pipeline)
 {
@@ -1161,9 +1145,6 @@ emit_3dstate_vs(struct anv_pipeline *pipeline)
          vs_prog_data->base.base.dispatch_grf_start_reg;
 
 #if GEN_GEN >= 8
-      vs.VertexURBEntryOutputReadOffset = get_urb_output_offset();
-      vs.VertexURBEntryOutputLength     = get_urb_output_length(vs_bin);
-
       vs.UserClipDistanceClipTestEnableBitmask =
          vs_prog_data->base.clip_distance_mask;
       vs.UserClipDistanceCullTestEnableBitmask =
@@ -1264,10 +1245,6 @@ emit_3dstate_hs_te_ds(struct anv_pipeline *pipeline,
          tes_prog_data->base.base.dispatch_grf_start_reg;
 
 #if GEN_GEN >= 8
-      ds.VertexURBEntryOutputReadOffset = 1;
-      ds.VertexURBEntryOutputLength =
-         (tes_prog_data->base.vue_map.num_slots + 1) / 2 - 1;
-
       ds.DispatchMode =
          tes_prog_data->base.dispatch_mode == DISPATCH_MODE_SIMD8 ?
             DISPATCH_MODE_SIMD8_SINGLE_PATCH :
@@ -1340,9 +1317,6 @@ emit_3dstate_gs(struct anv_pipeline *pipeline)
          gs_prog_data->base.base.dispatch_grf_start_reg;
 
 #if GEN_GEN >= 8
-      gs.VertexURBEntryOutputReadOffset = get_urb_output_offset();
-      gs.VertexURBEntryOutputLength     = get_urb_output_length(gs_bin);
-
       gs.UserClipDistanceClipTestEnableBitmask =
          gs_prog_data->base.clip_distance_mask;
       gs.UserClipDistanceCullTestEnableBitmask =
-- 
2.14.2



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