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zink/spirv: implement emit_select helper

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Acked-by: Jordan Justen <jordan.l.justen@intel.com>
This commit is contained in:
Erik Faye-Lund
2019-07-19 15:23:47 +02:00
parent 2419022a0c
commit 89591c895c
1 changed files with 11 additions and 4 deletions
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src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
+11 -4
View File
@@ -529,6 +529,13 @@ store_ssa_def_uint(struct ntv_context *ctx, nir_ssa_def *ssa, SpvId result)
ctx->defs[ssa->index] = result;
}
static SpvId
emit_select(struct ntv_context *ctx, SpvId type, SpvId cond,
SpvId if_true, SpvId if_false)
{
return emit_triop(ctx, SpvOpSelect, type, cond, if_true, if_false);
}
static SpvId
bvec_to_uvec(struct ntv_context *ctx, SpvId value, unsigned num_components)
{
@@ -537,7 +544,7 @@ bvec_to_uvec(struct ntv_context *ctx, SpvId value, unsigned num_components)
uint32_t ones[4] = { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff };
SpvId zero = get_uvec_constant(ctx, 32, num_components, zeros);
SpvId one = get_uvec_constant(ctx, 32, num_components, ones);
return emit_triop(ctx, SpvOpSelect, otype, value, one, zero);
return emit_select(ctx, otype, value, one, zero);
}
static SpvId
@@ -931,7 +938,7 @@ emit_alu(struct ntv_context *ctx, nir_alu_instr *alu)
}
result = emit_binop(ctx, op, bool_type, src[0], src[1]);
result = emit_triop(ctx, SpvOpSelect, dest_type, result, one, zero);
result = emit_select(ctx, dest_type, result, one, zero);
}
break;
@@ -945,13 +952,13 @@ emit_alu(struct ntv_context *ctx, nir_alu_instr *alu)
num_components, zero);
result = emit_binop(ctx, SpvOpFOrdGreaterThan, bool_type, src[0], cmp);
result = emit_triop(ctx, SpvOpSelect, dest_type, result, src[1], src[2]);
result = emit_select(ctx, dest_type, result, src[1], src[2]);
}
break;
case nir_op_bcsel:
assert(nir_op_infos[alu->op].num_inputs == 3);
result = emit_triop(ctx, SpvOpSelect, dest_type, src[0], src[1], src[2]);
result = emit_select(ctx, dest_type, src[0], src[1], src[2]);
break;
case nir_op_vec2: