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gallivm: add memory barrier support

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Reviewed-by: Roland Scheidegger <sroland@vmware.com>
This commit is contained in:
Dave Airlie 2019-08-21 10:19:16 +10:00
parent abfb633968
commit b9bf236c71
1 changed files with 11 additions and 0 deletions
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11
src/gallium/auxiliary/gallivm/lp_bld_tgsi_soa.c
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@ -3858,6 +3858,16 @@ atomic_emit(
}
}
static void
membar_emit(
const struct lp_build_tgsi_action * action,
struct lp_build_tgsi_context * bld_base,
struct lp_build_emit_data * emit_data)
{
LLVMBuilderRef builder = bld_base->base.gallivm->builder;
LLVMBuildFence(builder, LLVMAtomicOrderingSequentiallyConsistent, false, "");
}
static void
increment_vec_ptr_by_mask(struct lp_build_tgsi_context * bld_base,
LLVMValueRef ptr,
@ -4464,6 +4474,7 @@ lp_build_tgsi_soa(struct gallivm_state *gallivm,
bld.bld_base.op_actions[TGSI_OPCODE_ATOMIMIN].emit = atomic_emit;
bld.bld_base.op_actions[TGSI_OPCODE_ATOMIMAX].emit = atomic_emit;
bld.bld_base.op_actions[TGSI_OPCODE_MEMBAR].emit = membar_emit;
if (params->gs_iface) {
/* There's no specific value for this because it should always
* be set, but apps using ext_geometry_shader4 quite often