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authorNicolai Hähnle <nicolai.haehnle@amd.com>2017-09-16 12:50:42 +0200
committerNicolai Hähnle <nicolai.haehnle@amd.com>2017-09-16 13:18:42 +0200
commitad393c676176bde1972457c25f670cc50d3f60cd (patch)
treeb5eaa0e867e6a8b33115f95188064c4fdf33a412
parentd686c347e5e73eaf26b825cbd9970de814f8d9dd (diff)
gallivm: add support for TGSI instructions with two outputs
-rw-r--r--src/gallium/auxiliary/gallivm/lp_bld_tgsi.c18
-rw-r--r--src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.h5
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_exec.h9
3 files changed, 31 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi.c b/src/gallium/auxiliary/gallivm/lp_bld_tgsi.c
index 66f752989a..b33976bb64 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi.c
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi.c
@@ -264,11 +264,17 @@ lp_build_tgsi_inst_llvm(
memset(&emit_data, 0, sizeof(emit_data));
- assert(info->num_dst <= 1);
+ assert(info->num_dst <= 2);
if (info->num_dst) {
TGSI_FOR_EACH_DST0_ENABLED_CHANNEL( inst, chan_index ) {
emit_data.output[chan_index] = bld_base->base.undef;
}
+
+ if (info->num_dst >= 2) {
+ TGSI_FOR_EACH_DST1_ENABLED_CHANNEL( inst, chan_index ) {
+ emit_data.output1[chan_index] = bld_base->base.undef;
+ }
+ }
}
emit_data.inst = inst;
@@ -309,11 +315,21 @@ lp_build_tgsi_inst_llvm(
TGSI_FOR_EACH_DST0_ENABLED_CHANNEL(inst, chan_index) {
emit_data.output[chan_index] = val;
}
+
+ if (info->num_dst >= 2) {
+ val = emit_data.output1[0];
+ memset(emit_data.output1, 0, sizeof(emit_data.output1));
+ TGSI_FOR_EACH_DST1_ENABLED_CHANNEL(inst, chan_index) {
+ emit_data.output1[chan_index] = val;
+ }
+ }
}
}
if (info->num_dst > 0 && info->opcode != TGSI_OPCODE_STORE) {
bld_base->emit_store(bld_base, inst, info, 0, emit_data.output);
+ if (info->num_dst >= 2)
+ bld_base->emit_store(bld_base, inst, info, 1, emit_data.output1);
}
return TRUE;
}
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.h b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.h
index 463d44eb45..c92517fee2 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.h
+++ b/src/gallium/auxiliary/gallivm/lp_bld_tgsi_action.h
@@ -82,6 +82,11 @@ struct lp_build_emit_data {
LLVMValueRef output[4];
/**
+ * Secondary output for instruction that have a second destination register.
+ */
+ LLVMValueRef output1[4];
+
+ /**
* The current instruction that is being 'executed'.
*/
const struct tgsi_full_instruction * inst;
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.h b/src/gallium/auxiliary/tgsi/tgsi_exec.h
index 9d7e65f2c5..f656133400 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.h
@@ -58,6 +58,15 @@ extern "C" {
TGSI_FOR_EACH_CHANNEL( CHAN )\
TGSI_IF_IS_DST0_CHANNEL_ENABLED( INST, CHAN )
+#define TGSI_IS_DST1_CHANNEL_ENABLED( INST, CHAN )\
+ ((INST)->Dst[1].Register.WriteMask & (1 << (CHAN)))
+
+#define TGSI_IF_IS_DST1_CHANNEL_ENABLED( INST, CHAN )\
+ if (TGSI_IS_DST1_CHANNEL_ENABLED( INST, CHAN ))
+
+#define TGSI_FOR_EACH_DST1_ENABLED_CHANNEL( INST, CHAN )\
+ TGSI_FOR_EACH_CHANNEL( CHAN )\
+ TGSI_IF_IS_DST1_CHANNEL_ENABLED( INST, CHAN )
/**
* Registers may be treated as float, signed int or unsigned int.