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zink: handle f2f16_rtz

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Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19212>
This commit is contained in:
Karol Herbst 2022-10-18 01:59:53 +02:00 • committed by Marge Bot
parent 813b76aeb6
commit e2d67765fa
3 changed files with 18 additions and 0 deletions
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6
src/gallium/drivers/zink/nir_to_spirv/nir_to_spirv.c
View file

@ -2057,6 +2057,12 @@ emit_alu(struct ntv_context *ctx, nir_alu_instr *alu)
UNOP(nir_op_bit_count, SpvOpBitCount)
#undef UNOP
case nir_op_f2f16_rtz:
assert(nir_op_infos[alu->op].num_inputs == 1);
result = emit_unop(ctx, SpvOpFConvert, dest_type, src[0]);
spirv_builder_emit_rounding_mode(&ctx->builder, result, SpvFPRoundingModeRTZ);
break;
case nir_op_inot:
if (bit_size == 1)
result = emit_unop(ctx, SpvOpLogicalNot, dest_type, src[0]);

8
src/gallium/drivers/zink/nir_to_spirv/spirv_builder.c
View file

@ -216,6 +216,14 @@ spirv_builder_emit_decoration(struct spirv_builder *b, SpvId target,
emit_decoration(b, target, decoration, NULL, 0);
}
void
spirv_builder_emit_rounding_mode(struct spirv_builder *b, SpvId target,
SpvFPRoundingMode rounding)
{
uint32_t args[] = { rounding };
emit_decoration(b, target, SpvDecorationFPRoundingMode, args, ARRAY_SIZE(args));
}
void
spirv_builder_emit_input_attachment_index(struct spirv_builder *b, SpvId target, uint32_t id)
{

4
src/gallium/drivers/zink/nir_to_spirv/spirv_builder.h
View file

@ -89,6 +89,10 @@ void
spirv_builder_emit_decoration(struct spirv_builder *b, SpvId target,
SpvDecoration decoration);
void
spirv_builder_emit_rounding_mode(struct spirv_builder *b, SpvId target,
SpvFPRoundingMode rounding);
void
spirv_builder_emit_input_attachment_index(struct spirv_builder *b, SpvId target, uint32_t id);