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lima: add 'unorm8' format to genxml

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This MR allows packing of (normalized) floats into an 8 bit field.

v2:
- removed default attribute

Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34210>
This commit is contained in:
sarbes
2025-05-24 01:57:57 +02:00
committed by Marge Bot
parent 41f2da1a6e
commit eb61a607d8
2 changed files with 19 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/gallium/drivers/lima/genxml/gen_pack.py
+7 -2
View File
@@ -138,7 +138,7 @@ class Field(object):
type = 'uint64_t'
elif self.type == 'bool':
type = 'bool'
elif self.type in ['float', 'half', 'unorm16', 'ulod', 'slod']:
elif self.type in ['float', 'half', 'unorm16', 'unorm8', 'ulod', 'slod']:
type = 'float'
elif self.type in ['uint', 'hex'] and self.end - self.start > 32:
type = 'uint64_t'
@@ -340,6 +340,9 @@ class Group(object):
elif field.type == "unorm16":
assert(end - start + 1 == 16)
s = "__gen_pack_unorm16(%s, %d, %d)" % (value, start, end)
elif field.type == "unorm8":
assert(end - start + 1 == 8)
s = "__gen_pack_unorm8(%s, %d, %d)" % (value, start, end)
elif field.type == "ulod":
s = "util_bitpack_ufixed_clamp({}, {}, {}, 4)".format(value,
start,
@@ -420,6 +423,8 @@ class Group(object):
convert = "__gen_unpack_half"
elif field.type == "unorm16":
convert = "__gen_unpack_unorm16"
elif field.type == "unorm8":
convert = "__gen_unpack_unorm8"
elif field.type == "ulod":
convert = "__gen_unpack_ulod"
elif field.type == "slod":
@@ -491,7 +496,7 @@ class Group(object):
print(f' fprintf(fp, "%*s{name}: %d\\n", indent, "", {val});')
elif field.type == "bool":
print(f' fprintf(fp, "%*s{name}: %s\\n", indent, "", {val} ? "true" : "false");')
elif field.type in ["float", "unorm16", "ulod", "slod", "half"]:
elif field.type in ["float", "unorm16", "unorm8", "ulod", "slod", "half"]:
print(f' fprintf(fp, "%*s{name}: %f\\n", indent, "", {val});')
elif field.type in ["uint", "hex"] and (field.end - field.start) >= 32:
print(f' fprintf(fp, "%*s{name}: 0x%" PRIx64 "\\n", indent, "", {val});')
src/gallium/drivers/lima/genxml/lima_pack_header.h
+12
View File
@@ -48,6 +48,18 @@ __gen_unpack_unorm16(CONSTANT_ uint32_t *restrict cl, uint32_t start, uint32_t e
return ushort_to_float(__gen_unpack_uint(cl, start, end));
}
static inline uint64_t
__gen_pack_unorm8(float f, uint32_t start, uint32_t end)
{
return util_bitpack_uint(float_to_ubyte(f), start, end);
}
static inline float
__gen_unpack_unorm8(CONSTANT_ uint32_t *restrict cl, uint32_t start, uint32_t end)
{
return ubyte_to_float(__gen_unpack_uint(cl, start, end));
}
static inline uint64_t
__gen_unpack_sint(CONSTANT_ uint32_t *restrict cl, uint32_t start, uint32_t end)
{