zig/mach
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

basisu: use @bitCast for casting bit fields

Browse source
This commit is contained in:
Ali Chraghi 2022-08-29 15:44:24 +04:30 • committed by Stephen Gutekanst
parent 1572ed7fc6
commit b5e6fb6c4f
2 changed files with 8 additions and 68 deletions
Download patch file Download diff file Expand all files Collapse all files

42
libs/basisu/src/encoder.zig
View file

@ -94,11 +94,11 @@ pub const CompressorParams = struct {
}
pub fn getPackUASTCFlags(self: CompressorParams) PackUASTCFlags {
return PackUASTCFlags.from(b.compressor_params_get_pack_uastc_flags(self.handle));
return @bitCast(PackUASTCFlags, b.compressor_params_get_pack_uastc_flags(self.handle));
}
pub fn setPackUASTCFlags(self: CompressorParams, flags: PackUASTCFlags) void {
b.compressor_params_set_pack_uastc_flags(self.handle, flags.cast());
b.compressor_params_set_pack_uastc_flags(self.handle, @bitCast(u32, flags));
}
pub fn setBasisFormat(self: CompressorParams, format: BasisTextureFormat) void {
@ -209,48 +209,14 @@ pub const PackUASTCFlags = packed struct {
default: bool = false,
slower: bool = false,
verySlow: bool = false,
mask: bool = false,
favor_uastc_error: bool = false,
favor_bc7_error: bool = false,
_padding: u1 = 0,
etc1_faster_hints: bool = false,
etc1_fastest_hints: bool = false,
etc1_disable_flip_and_individual: bool = false,
favor_simpler_modes: bool = false,
pub const Flag = enum(u32) {
fastest = 0,
faster = 1,
default = 2,
slower = 3,
verySlow = 4,
mask = 0xF,
favor_uastc_error = 8,
favor_bc7_error = 16,
etc1_faster_hints = 64,
etc1_fastest_hints = 128,
etc1_disable_flip_and_individual = 256,
favor_simpler_modes = 512,
};
pub fn from(bits: u32) PackUASTCFlags {
var value = PackUASTCFlags{};
inline for (comptime std.meta.fieldNames(Flag)) |field_name| {
if (bits & (@enumToInt(@field(Flag, field_name))) != 0) {
@field(value, field_name) = true;
}
}
return value;
}
pub fn cast(self: PackUASTCFlags) u32 {
var value: u32 = 0;
inline for (comptime std.meta.fieldNames(Flag)) |field_name| {
if (@field(self, field_name)) {
value |= @enumToInt(@field(Flag, field_name));
}
}
return value;
}
_padding0: u20 = 0,
};
pub const ColorSpace = enum {