[Mesa-dev] [PATCH 1/3] i965: Don't use message headers for typed/untyped reads

[Kristian Høgsberg Kristensen]

We always set the mask to 0xffff, which is what it defaults to when no
header is present. Let's drop the header instead.

Signed-off-by: Kristian Høgsberg Kristensen <krh at bitplanet.net>
---
 src/mesa/drivers/dri/i965/brw_eu_emit.c | 3 +--
 src/mesa/drivers/dri/i965/brw_fs.cpp    | 4 ++--
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_eu_emit.c b/src/mesa/drivers/dri/i965/brw_eu_emit.c
index bf2fee9..ebd811f 100644
--- a/src/mesa/drivers/dri/i965/brw_eu_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_eu_emit.c
@@ -2906,11 +2906,10 @@ brw_untyped_surface_read(struct brw_codegen *p,
    const unsigned sfid = (devinfo->gen >= 8 || devinfo->is_haswell ?
                           HSW_SFID_DATAPORT_DATA_CACHE_1 :
                           GEN7_SFID_DATAPORT_DATA_CACHE);
-   const bool align1 = (brw_inst_access_mode(devinfo, p->current) == BRW_ALIGN_1);
    struct brw_inst *insn = brw_send_indirect_surface_message(
       p, sfid, dst, payload, surface, msg_length,
       brw_surface_payload_size(p, num_channels, true, true),
-      align1);
+      false);
 
    brw_set_dp_untyped_surface_read_message(
       p, insn, num_channels);
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index a2fd441..457bf59 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -4032,7 +4032,7 @@ fs_visitor::lower_logical_sends()
       case SHADER_OPCODE_UNTYPED_SURFACE_READ_LOGICAL:
          lower_surface_logical_send(ibld, inst,
                                     SHADER_OPCODE_UNTYPED_SURFACE_READ,
-                                    fs_reg(0xffff));
+                                    fs_reg());
          break;
 
       case SHADER_OPCODE_UNTYPED_SURFACE_WRITE_LOGICAL:
@@ -4050,7 +4050,7 @@ fs_visitor::lower_logical_sends()
       case SHADER_OPCODE_TYPED_SURFACE_READ_LOGICAL:
          lower_surface_logical_send(ibld, inst,
                                     SHADER_OPCODE_TYPED_SURFACE_READ,
-                                    fs_reg(0xffff));
+                                    fs_reg());
          break;
 
       case SHADER_OPCODE_TYPED_SURFACE_WRITE_LOGICAL:
-- 
2.6.2