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authorMatt Turner <[email protected]>2017-06-20 22:37:43 -0700
committerMatt Turner <[email protected]>2017-07-20 16:56:49 -0700
commitba2fbbf1c0dacfad45ad59b32de6297239c0f88d (patch)
treeecf05411929fc8f69f30c536a8cc872f5a370dcb /src/compiler
parent0e6ad379dd8f05720b62d5acf6fa446f7094a853 (diff)
nir: Add intrinsics from ARB_shader_group_vote
These are intrinsics rather than opcodes, because they operate across channels. Reviewed-by: Connor Abbott <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
Diffstat (limited to 'src/compiler')
-rw-r--r--src/compiler/glsl/glsl_to_nir.cpp22
-rw-r--r--src/compiler/nir/nir_intrinsics.h5
2 files changed, 27 insertions, 0 deletions
diff --git a/src/compiler/glsl/glsl_to_nir.cpp b/src/compiler/glsl/glsl_to_nir.cpp
index 21530040a96..01166f68655 100644
--- a/src/compiler/glsl/glsl_to_nir.cpp
+++ b/src/compiler/glsl/glsl_to_nir.cpp
@@ -799,6 +799,15 @@ nir_visitor::visit(ir_call *ir)
case ir_intrinsic_shared_atomic_comp_swap:
op = nir_intrinsic_shared_atomic_comp_swap;
break;
+ case ir_intrinsic_vote_any:
+ op = nir_intrinsic_vote_any;
+ break;
+ case ir_intrinsic_vote_all:
+ op = nir_intrinsic_vote_all;
+ break;
+ case ir_intrinsic_vote_eq:
+ op = nir_intrinsic_vote_eq;
+ break;
default:
unreachable("not reached");
}
@@ -1135,6 +1144,19 @@ nir_visitor::visit(ir_call *ir)
nir_builder_instr_insert(&b, &instr->instr);
break;
}
+ case nir_intrinsic_vote_any:
+ case nir_intrinsic_vote_all:
+ case nir_intrinsic_vote_eq: {
+ nir_ssa_dest_init(&instr->instr, &instr->dest, 1, 32, NULL);
+
+ instr->variables[0] = evaluate_deref(&instr->instr, ir->return_deref);
+
+ ir_rvalue *value = (ir_rvalue *) ir->actual_parameters.get_head();
+ instr->src[0] = nir_src_for_ssa(evaluate_rvalue(value));
+
+ nir_builder_instr_insert(&b, &instr->instr);
+ break;
+ }
default:
unreachable("not reached");
}
diff --git a/src/compiler/nir/nir_intrinsics.h b/src/compiler/nir/nir_intrinsics.h
index 21e7d904b78..8a838df0279 100644
--- a/src/compiler/nir/nir_intrinsics.h
+++ b/src/compiler/nir/nir_intrinsics.h
@@ -107,6 +107,11 @@ BARRIER(memory_barrier_shared)
/** A conditional discard, with a single boolean source. */
INTRINSIC(discard_if, 1, ARR(1), false, 0, 0, 0, xx, xx, xx, 0)
+/** ARB_shader_group_vote intrinsics */
+INTRINSIC(vote_any, 1, ARR(1), true, 1, 1, 0, xx, xx, xx, NIR_INTRINSIC_CAN_ELIMINATE)
+INTRINSIC(vote_all, 1, ARR(1), true, 1, 1, 0, xx, xx, xx, NIR_INTRINSIC_CAN_ELIMINATE)
+INTRINSIC(vote_eq, 1, ARR(1), true, 1, 1, 0, xx, xx, xx, NIR_INTRINSIC_CAN_ELIMINATE)
+
/**
* Basic Geometry Shader intrinsics.
*