diff options
| author | Marek Olšák <[email protected]> | 2019-11-21 20:24:08 -0500 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2019-11-23 00:02:10 -0500 |
| commit | ad40715f3595537cfcc3d489f86d6c4dd7f34cc6 (patch) | |
| tree | df7384520e6334845fd451164ec525712fdb0b79 /src/compiler | |
| parent | c028449c011c395ed64eb2d873c0efb4deb2c6e8 (diff) | |
nir/serialize: support any num_components for remaining instructions
Only NPOT vectors greater than vec4 use the extra uint32.
This is for instructions that share the dest code.
load_const and undef already support 1-16 in the header.
Reviewed-by: Connor Abbott <[email protected]>
Diffstat (limited to 'src/compiler')
| -rw-r--r-- | src/compiler/nir/nir_serialize.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/src/compiler/nir/nir_serialize.c b/src/compiler/nir/nir_serialize.c index e16c1074285..50f009d5c07 100644 --- a/src/compiler/nir/nir_serialize.c +++ b/src/compiler/nir/nir_serialize.c @@ -141,6 +141,8 @@ decode_bit_size_3bits(uint8_t bit_size) return 0; } +#define NUM_COMPONENTS_IS_SEPARATE_7 7 + static uint8_t encode_num_components_in_3bits(uint8_t num_components) { @@ -151,8 +153,8 @@ encode_num_components_in_3bits(uint8_t num_components) if (num_components == 16) return 6; - unreachable("invalid number in num_components"); - return 0; + /* special value indicating that num_components is in the next uint32 */ + return NUM_COMPONENTS_IS_SEPARATE_7; } static uint8_t @@ -732,6 +734,10 @@ write_dest(write_ctx *ctx, const nir_dest *dst, union packed_instr header, blob_write_uint32(ctx->blob, header.u32); } + if (dest.ssa.is_ssa && + dest.ssa.num_components == NUM_COMPONENTS_IS_SEPARATE_7) + blob_write_uint32(ctx->blob, dst->ssa.num_components); + if (dst->is_ssa) { write_add_object(ctx, &dst->ssa); if (dest.ssa.has_name) @@ -753,8 +759,11 @@ read_dest(read_ctx *ctx, nir_dest *dst, nir_instr *instr, if (dest.ssa.is_ssa) { unsigned bit_size = decode_bit_size_3bits(dest.ssa.bit_size); - unsigned num_components = - decode_num_components_in_3bits(dest.ssa.num_components); + unsigned num_components; + if (dest.ssa.num_components == NUM_COMPONENTS_IS_SEPARATE_7) + num_components = blob_read_uint32(ctx->blob); + else + num_components = decode_num_components_in_3bits(dest.ssa.num_components); char *name = dest.ssa.has_name ? blob_read_string(ctx->blob) : NULL; nir_ssa_dest_init(instr, dst, num_components, bit_size, name); read_add_object(ctx, &dst->ssa); |