Mesa (master): i965/cs: Initialize gl_WorkGroupID variable from payload
Jordan Justen
jljusten at kemper.freedesktop.org
Sun Sep 13 17:17:36 UTC 2015
Module: Mesa
Branch: master
Commit: 4e454cb7c6dd189b433acd98c9595e464e0432b4
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=4e454cb7c6dd189b433acd98c9595e464e0432b4
Author: Jordan Justen <jordan.l.justen at intel.com>
Date: Fri Oct 10 08:28:24 2014 -0700
i965/cs: Initialize gl_WorkGroupID variable from payload
Signed-off-by: Jordan Justen <jordan.l.justen at intel.com>
Reviewed-by: Kristian Høgsberg <krh at bitplanet.net>
---
src/mesa/drivers/dri/i965/brw_cs.cpp | 19 +++++++++++++++++++
src/mesa/drivers/dri/i965/brw_fs.h | 1 +
2 files changed, 20 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_cs.cpp b/src/mesa/drivers/dri/i965/brw_cs.cpp
index 9ee5ae5..04f3e58 100644
--- a/src/mesa/drivers/dri/i965/brw_cs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_cs.cpp
@@ -643,3 +643,22 @@ const struct brw_tracked_state gen7_cs_push_constants = {
},
/* .emit = */ gen7_upload_cs_push_constants,
};
+
+
+fs_reg *
+fs_visitor::emit_cs_work_group_id_setup()
+{
+ assert(stage == MESA_SHADER_COMPUTE);
+
+ fs_reg *reg = new(this->mem_ctx) fs_reg(vgrf(glsl_type::uvec3_type));
+
+ struct brw_reg r0_1(retype(brw_vec1_grf(0, 1), BRW_REGISTER_TYPE_UD));
+ struct brw_reg r0_6(retype(brw_vec1_grf(0, 6), BRW_REGISTER_TYPE_UD));
+ struct brw_reg r0_7(retype(brw_vec1_grf(0, 7), BRW_REGISTER_TYPE_UD));
+
+ bld.MOV(*reg, r0_1);
+ bld.MOV(offset(*reg, bld, 1), r0_6);
+ bld.MOV(offset(*reg, bld, 2), r0_7);
+
+ return reg;
+}
diff --git a/src/mesa/drivers/dri/i965/brw_fs.h b/src/mesa/drivers/dri/i965/brw_fs.h
index 6bfc290..5880f69 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.h
+++ b/src/mesa/drivers/dri/i965/brw_fs.h
@@ -276,6 +276,7 @@ public:
void emit_urb_writes();
void emit_cs_terminate();
fs_reg *emit_cs_local_invocation_id_setup();
+ fs_reg *emit_cs_work_group_id_setup();
void emit_barrier();
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