KonstantinSeurer
/
mesa
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

gallivm/nir: handle conversion to 16-bit texel fetch 

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11816>
This commit is contained in:
Dave Airlie 2021-07-22 13:20:29 +10:00 committed by Marge Bot
parent c396067366
commit 0776628d1d
1 changed files with 13 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
src/gallium/auxiliary/gallivm/lp_bld_nir.c
View File

@ -27,6 +27,7 @@
#include "lp_bld_arit.h"
#include "lp_bld_bitarit.h"
#include "lp_bld_const.h"
#include "lp_bld_conv.h"
#include "lp_bld_gather.h"
#include "lp_bld_logic.h"
#include "lp_bld_quad.h"
@ -2170,8 +2171,12 @@ static void visit_tex(struct lp_build_nir_context *bld_base, nir_tex_instr *inst
if (nir_dest_bit_size(instr->dest) != 32) {
assert(nir_dest_bit_size(instr->dest) == 16);
LLVMTypeRef vec_type;
LLVMTypeRef vec_type = NULL;
bool is_float = false;
switch (nir_alu_type_get_base_type(instr->dest_type)) {
case nir_type_float:
is_float = true;
break;
case nir_type_int:
vec_type = bld_base->int16_bld.vec_type;
break;
@ -2182,12 +2187,17 @@ static void visit_tex(struct lp_build_nir_context *bld_base, nir_tex_instr *inst
unreachable("unexpected alu type");
}
for (int i = 0; i < nir_dest_num_components(instr->dest); ++i) {
texel[i] = LLVMBuildBitCast(builder, texel[i], bld_base->int_bld.vec_type, "");
texel[i] = LLVMBuildTrunc(builder, texel[i], vec_type, "");
if (is_float) {
texel[i] = lp_build_float_to_half(gallivm, texel[i]);
} else {
texel[i] = LLVMBuildBitCast(builder, texel[i], bld_base->int_bld.vec_type, "");
texel[i] = LLVMBuildTrunc(builder, texel[i], vec_type, "");
}
}
}
assign_dest(bld_base, &instr->dest, texel);
}
static void visit_ssa_undef(struct lp_build_nir_context *bld_base,