From c9ab73296c1c80796b6a3e8cfc1affb486e4dd81 Mon Sep 17 00:00:00 2001 From: Alyssa Rosenzweig Date: Fri, 1 May 2020 18:24:11 -0400 Subject: [PATCH] pan/bi: Handle discard_if in NIR->BIR naively Signed-off-by: Alyssa Rosenzweig Part-of: --- src/panfrost/bifrost/bifrost_compile.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/src/panfrost/bifrost/bifrost_compile.c b/src/panfrost/bifrost/bifrost_compile.c index e656eeb49ce..2b5b5070dd9 100644 --- a/src/panfrost/bifrost/bifrost_compile.c +++ b/src/panfrost/bifrost/bifrost_compile.c @@ -351,6 +351,25 @@ bi_emit_ld_frag_coord(bi_context *ctx, nir_intrinsic_instr *instr) bi_emit(ctx, combine); } +static void +bi_emit_discard_if(bi_context *ctx, nir_intrinsic_instr *instr) +{ + nir_src cond = instr->src[0]; + nir_alu_type T = nir_type_uint | nir_src_bit_size(cond); + + bi_instruction discard = { + .type = BI_DISCARD, + .cond = BI_COND_NE, + .src_types = { T, T }, + .src = { + pan_src_index(&cond), + BIR_INDEX_ZERO + }, + }; + + bi_emit(ctx, discard); +} + static void emit_intrinsic(bi_context *ctx, nir_intrinsic_instr *instr) { @@ -387,6 +406,10 @@ emit_intrinsic(bi_context *ctx, nir_intrinsic_instr *instr) bi_emit_ld_frag_coord(ctx, instr); break; + case nir_intrinsic_discard_if: + bi_emit_discard_if(ctx, instr); + break; + case nir_intrinsic_load_ssbo_address: bi_emit_sysval(ctx, &instr->instr, 1, 0); break; -- 2.30.2