mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-30 08:00:51 +00:00
78 lines
2.2 KiB
Python
78 lines
2.2 KiB
Python
|
print("""// encoding is teemmm
|
||
|
|
// t = 0: 32-bit, t = 1: 64-bit
|
||
|
|
// e = 00: 0
|
||
|
|
// e = 01: 1.0
|
||
|
|
// e = 10: copy (1-n, 2-4, otherwise 0)
|
||
|
|
// e = 11: -1.0
|
||
|
|
// mmm = 000: 1 -> 2
|
||
|
|
// mmm = 001: 1 -> 3
|
||
|
|
// mmm = 010: 1 -> 4
|
||
|
|
// mmm = 011: 2 -> 3
|
||
|
|
// mmm = 100: 2 -> 4
|
||
|
|
// mmm = 101: 3 -> 4
|
||
|
|
// mmm = 110: reserved
|
||
|
|
// mmm = 111: reserved
|
||
|
|
""")
|
||
|
|
|
||
|
|
types = [
|
||
|
|
["ivec2", "ivec3", "ivec4", "ivec3", "ivec4", "ivec4"],
|
||
|
|
["lvec2", "lvec3", "lvec4", "lvec3", "lvec4", "lvec4"],
|
||
|
|
]
|
||
|
|
|
||
|
|
src_types = [
|
||
|
|
["int", "int", "int", "ivec2", "ivec2", "ivec3"],
|
||
|
|
["long", "long", "long", "lvec2", "lvec2", "lvec3"],
|
||
|
|
]
|
||
|
|
|
||
|
|
extend = [
|
||
|
|
["0", "INT32_C(0x3f800000)", "0", "INT32_C(0xbf800000)"],
|
||
|
|
["0", "INT64_C(0x3ff0000000000000)", "0", "INT64_C(0xbff0000000000000)"],
|
||
|
|
]
|
||
|
|
|
||
|
|
def case_str(type, ext, mode):
|
||
|
|
case = (type << 5) | (ext << 3) | (mode)
|
||
|
|
return f"case {case:03o}:"
|
||
|
|
|
||
|
|
def dst_str(type, ext, mode):
|
||
|
|
return f"OPC({types[type][mode]})"
|
||
|
|
|
||
|
|
def cast_str(type, ext, mode):
|
||
|
|
return f"(pr_{types[type][mode]}_t)"
|
||
|
|
|
||
|
|
def init_str(type, ext, mode):
|
||
|
|
ext_str = extend[type][ext]
|
||
|
|
src = f"OPA({src_types[type][mode]})"
|
||
|
|
if mode == 0:
|
||
|
|
if ext == 2:
|
||
|
|
ext_str = src
|
||
|
|
return f"{src}, {ext_str}"
|
||
|
|
elif mode == 1:
|
||
|
|
if ext == 2:
|
||
|
|
ext_str = src
|
||
|
|
return f"{src}, {ext_str}, {ext_str}"
|
||
|
|
elif mode == 2:
|
||
|
|
if ext == 2:
|
||
|
|
ext_str = src
|
||
|
|
return f"{src}, {ext_str}, {ext_str}, {ext_str}"
|
||
|
|
elif mode == 3:
|
||
|
|
return f"{src}[0], {src}[1], {ext_str}"
|
||
|
|
elif mode == 4:
|
||
|
|
if ext == 2:
|
||
|
|
return f"{src}[0], {src}[1], {src}[0], {src}[1]"
|
||
|
|
else:
|
||
|
|
return f"{src}[0], {src}[1], {ext_str}, {ext_str}"
|
||
|
|
elif mode == 5:
|
||
|
|
return f"{src}[0], {src}[1], {src}[2], {ext_str}"
|
||
|
|
|
||
|
|
for type in range(2):
|
||
|
|
for ext in range(4):
|
||
|
|
for mode in range(6): # 6, 7 are reserved
|
||
|
|
case = case_str(type, ext, mode)
|
||
|
|
dst = dst_str(type, ext, mode)
|
||
|
|
cast = cast_str(type, ext, mode)
|
||
|
|
init = init_str(type, ext, mode)
|
||
|
|
if mode in [1, 3]:
|
||
|
|
print(f"{case} VectorSet({init}, {dst}); break;");
|
||
|
|
else:
|
||
|
|
print(f"{case} {dst} = {cast} {{ {init} }}; break;");
|