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nir: Add nir_address_format_32bit_index_offset_pack64

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This new address mode is supported by nir_lower_explicit_io

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6330>
This commit is contained in:
Jesse Natalie
2020-05-25 08:53:00 -07:00
committed by Marge Bot
parent 113458d372
commit 627c8e1640
2 changed files with 34 additions and 7 deletions
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33
src/compiler/nir/nir_lower_io.c
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@@ -719,11 +719,20 @@ build_addr_iadd(nir_builder *b, nir_ssa_def *addr,
assert(addr->bit_size == offset->bit_size);
return nir_vec2(b, nir_channel(b, addr, 0),
nir_iadd(b, nir_channel(b, addr, 1), offset));
case nir_address_format_32bit_index_offset_pack64:
assert(addr->num_components == 1);
assert(offset->bit_size == 32);
return nir_pack_64_2x32_split(b,
nir_iadd(b, nir_unpack_64_2x32_split_x(b, addr), offset),
nir_unpack_64_2x32_split_y(b, addr));
case nir_address_format_vec2_index_32bit_offset:
assert(addr->num_components == 3);
assert(offset->bit_size == 32);
return nir_vec3(b, nir_channel(b, addr, 0), nir_channel(b, addr, 1),
nir_iadd(b, nir_channel(b, addr, 2), offset));
case nir_address_format_logical:
unreachable("Unsupported address format");
}
@@ -733,7 +742,8 @@ build_addr_iadd(nir_builder *b, nir_ssa_def *addr,
static unsigned
addr_get_offset_bit_size(nir_ssa_def *addr, nir_address_format addr_format)
{
if (addr_format == nir_address_format_32bit_offset_as_64bit)
if (addr_format == nir_address_format_32bit_offset_as_64bit ||
addr_format == nir_address_format_32bit_index_offset_pack64)
return 32;
return addr->bit_size;
}
@@ -751,14 +761,16 @@ static nir_ssa_def *
addr_to_index(nir_builder *b, nir_ssa_def *addr,
nir_address_format addr_format)
{
if (addr_format == nir_address_format_32bit_index_offset) {
switch (addr_format) {
case nir_address_format_32bit_index_offset:
assert(addr->num_components == 2);
return nir_channel(b, addr, 0);
} else if (addr_format == nir_address_format_vec2_index_32bit_offset) {
case nir_address_format_32bit_index_offset_pack64:
return nir_unpack_64_2x32_split_y(b, addr);
case nir_address_format_vec2_index_32bit_offset:
assert(addr->num_components == 3);
return nir_channels(b, addr, 0x3);
} else {
unreachable("bad address format for index");
default: unreachable("Invalid address format");
}
}
@@ -770,6 +782,8 @@ addr_to_offset(nir_builder *b, nir_ssa_def *addr,
case nir_address_format_32bit_index_offset:
assert(addr->num_components == 2);
return nir_channel(b, addr, 1);
case nir_address_format_32bit_index_offset_pack64:
return nir_unpack_64_2x32_split_x(b, addr);
case nir_address_format_vec2_index_32bit_offset:
assert(addr->num_components == 3);
return nir_channel(b, addr, 2);
@@ -814,6 +828,7 @@ addr_to_global(nir_builder *b, nir_ssa_def *addr,
nir_u2u64(b, nir_channel(b, addr, 3)));
case nir_address_format_32bit_index_offset:
case nir_address_format_32bit_index_offset_pack64:
case nir_address_format_vec2_index_32bit_offset:
case nir_address_format_32bit_offset:
case nir_address_format_32bit_offset_as_64bit:
@@ -1293,8 +1308,6 @@ lower_explicit_io_array_length(nir_builder *b, nir_intrinsic_instr *intrin,
unsigned stride = glsl_get_explicit_stride(deref->type);
assert(stride > 0);
assert(addr_format == nir_address_format_32bit_index_offset ||
addr_format == nir_address_format_vec2_index_32bit_offset);
nir_ssa_def *addr = &deref->dest.ssa;
nir_ssa_def *index = addr_to_index(b, addr, addr_format);
nir_ssa_def *offset = addr_to_offset(b, addr, addr_format);
@@ -1638,6 +1651,7 @@ nir_address_format_null_value(nir_address_format addr_format)
[nir_address_format_64bit_global] = {{0}},
[nir_address_format_64bit_bounded_global] = {{0}},
[nir_address_format_32bit_index_offset] = {{.u32 = ~0}, {.u32 = ~0}},
[nir_address_format_32bit_index_offset_pack64] = {{.u64 = ~0ull}},
[nir_address_format_vec2_index_32bit_offset] = {{.u32 = ~0}, {.u32 = ~0}, {.u32 = ~0}},
[nir_address_format_32bit_offset] = {{.u32 = ~0}},
[nir_address_format_32bit_offset_as_64bit] = {{.u64 = ~0ull}},
@@ -1665,6 +1679,10 @@ nir_build_addr_ieq(nir_builder *b, nir_ssa_def *addr0, nir_ssa_def *addr1,
assert(addr0->num_components == 1 && addr1->num_components == 1);
return nir_ieq(b, nir_u2u32(b, addr0), nir_u2u32(b, addr1));
case nir_address_format_32bit_index_offset_pack64:
assert(addr0->num_components == 1 && addr1->num_components == 1);
return nir_ball_iequal(b, nir_unpack_64_2x32(b, addr0), nir_unpack_64_2x32(b, addr1));
case nir_address_format_logical:
unreachable("Unsupported address format");
}
@@ -1680,6 +1698,7 @@ nir_build_addr_isub(nir_builder *b, nir_ssa_def *addr0, nir_ssa_def *addr1,
case nir_address_format_32bit_global:
case nir_address_format_64bit_global:
case nir_address_format_32bit_offset:
case nir_address_format_32bit_index_offset_pack64:
assert(addr0->num_components == 1);
assert(addr1->num_components == 1);
return nir_isub(b, addr0, addr1);