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radeonsi: fix pk2h breakage

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This commit is contained in:
Marek Olšák 2018-07-23 22:11:12 -04:00
parent 86b52d4236
commit 6853862a58
1 changed files with 5 additions and 2 deletions
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7
src/gallium/drivers/radeonsi/si_shader_tgsi_alu.c
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@ -611,14 +611,17 @@ static void emit_pk2h(const struct lp_build_tgsi_action *action,
struct lp_build_tgsi_context *bld_base,
struct lp_build_emit_data *emit_data)
{
struct si_shader_context *ctx = si_shader_context(bld_base);
/* From the GLSL 4.50 spec:
* "The rounding mode cannot be set and is undefined."
*
* v_cvt_pkrtz_f16 rounds to zero, but it's fastest.
*/
emit_data->output[emit_data->chan] =
ac_build_cvt_pkrtz_f16(&si_shader_context(bld_base)->ac,
emit_data->args);
LLVMBuildBitCast(ctx->ac.builder,
ac_build_cvt_pkrtz_f16(&ctx->ac, emit_data->args),
ctx->i32, "");
}
static void up2h_fetch_args(struct lp_build_tgsi_context *bld_base,