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dx2cg: Implement RECT, CUBE texture types

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Also tried to implement 3D texture type, but that will likely require a few other instructions to get working - namely texldp and dcl_volume.
This commit is contained in:
CakeLancelot 2024-02-13 03:17:25 -06:00
parent 06869164a1
commit d5b58d96da
1 changed files with 34 additions and 9 deletions
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41
dx2cg/disassembler.py
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@ -54,7 +54,7 @@ ops = {
"slt": "{0} = float4(({1}.x < {2}.x) ? 1.0f : 0.0f, ({1}.y < {2}.y) ? 1.0f : 0.0f, ({1}.z < {2}.z) ? 1.0f : 0.0f, ({1}.w < {2}.w) ? 1.0f : 0.0f);",
"sge": "{0} = float4(({1}.x >= {2}.x) ? 1.0f : 0.0f, ({1}.y >= {2}.y) ? 1.0f : 0.0f, ({1}.z >= {2}.z) ? 1.0f : 0.0f, ({1}.w >= {2}.w) ? 1.0f : 0.0f);",
"rcp": "{0} = ({1} == 0.0f) ? FLT_MAX : (({1} == 1.0f) ? {1} : (1 / {1}));",
"texld": "{0} = tex2D({2}, (float2){1});",
"texld": "{0} = {3}({2}, (float2){1});",
}
struct_a2v = """struct a2v {
@ -186,12 +186,21 @@ def process_header(prog):
i = i - 1
elif line.startswith("SetTexture"):
dec = line.split(' ')
if dec[2] != "{2D}":
texture_type = None
if dec[2] == "{2D}":
texture_type = "sampler2D"
elif dec[2] == "{3D}":
texture_type = "sampler3D"
elif dec[2] == "{RECT}":
texture_type = "samplerRECT"
elif dec[2] == "{CUBE}":
texture_type = "samplerCUBE"
else:
raise ValueError(f"Unknown texture type {dec[2]}")
key = f"s{textures}"
val = dec[1][1:-1]
loctab[key] = val
locdecl.append(f"sampler2D {val};")
locdecl.append(f"{texture_type} {val};")
textures = textures + 1
del prog[i]
@ -218,7 +227,6 @@ def resolve_args(args, loctab, consts):
arg = arg[:dot]
else:
swiz = ""
if arg[0] == 'r':
pass
elif arg[0] == 'v':
@ -239,7 +247,7 @@ def resolve_args(args, loctab, consts):
args[a] = neg + arg + swiz
def decode(code, args):
def decode(code, args, locdecl):
if code in decls:
return [decls[code].format(*args)]
elif code in ops:
@ -254,14 +262,31 @@ def decode(code, args):
else:
swiz = "xyzw"
lines = []
if code == "texld":
cg_tex_type = None
for loc in locdecl:
loc = loc.split(' ')
if args[2] == loc[1][:-1]:
if loc[0] == 'sampler2D':
cg_tex_type = "tex2D"
elif loc[0] == 'sampler3D':
cg_tex_type = "tex3D"
elif loc[0] == 'samplerCUBE':
cg_tex_type = "texCUBE"
elif loc[0] == 'samplerRECT':
cg_tex_type = "texRECT"
lines = [ops[code].format("tmp", *args[1:], cg_tex_type)]
else:
lines = [ops[code].format("tmp", *args[1:])]
for c in swiz:
lines.append(f"{target}.{c} = tmp.{c};")
return lines
else:
raise ValueError(f"Unknown opcode {code}")
def process_asm(asm, loctab):
def process_asm(asm, loctab, locdecl):
shadertype = ""
if asm[0] == "\"vs_1_1":
shadertype = "vertex"
@ -294,7 +319,7 @@ def process_asm(asm, loctab):
code = code[:pp]
resolve_args(args, loctab, consts)
disasm = decode(code, args)
disasm = decode(code, args, locdecl)
# print(f"{instruction} \t==>\t{disasm}")
disasm.insert(0, f"// {instruction}")
translated.extend(disasm)
@ -317,7 +342,7 @@ def disassemble(blocks):
binds.update(bds)
lighting |= light
(shadertype, disasm) = process_asm(asm, ltab)
(shadertype, disasm) = process_asm(asm, ltab, locdecl)
shaders[shadertype] = disasm
text = ""