File: ShaderFlow/Variable.py¶

@define(eq=False, slots=True)
class ShaderVariable(BrokenFluent):
    type: GlslType
    name: str
    value: Optional[Any] = None
    qualifier: Optional[GlslQualifier] = None
    direction: Optional[GlslDirection] = None
    interpolation: Optional[GlslInterpolation] = None

    def __hash__(self) -> int:
        return hash(self.name)

    def __eq__(self, other: Self) -> bool:
        return (self.name == other.name)

    @property
    def size_string(self) -> str:
        return dict(
            float="f",
            int="i",
            bool="i",
            vec2="2f",
            vec3="3f",
            vec4="4f",
        ).get(self.type)

    @property
    def declaration(self) -> str:
        parts = (getattr(self, key, None) for key in DECLARATION_ORDER)
        return " ".join(filter(None, parts)).strip() + ";"

@define(eq=False, slots=True)
class Uniform(ShaderVariable):
    qualifier: GlslQualifier = "uniform"

@define(eq=False, slots=True)
class InVariable(ShaderVariable):
    direction: GlslDirection = "in"

@define(eq=False, slots=True)
class OutVariable(ShaderVariable):
    direction: GlslDirection = "out"

@define(eq=False, slots=True)
class FlatVariable(ShaderVariable):
    interpolation: GlslInterpolation = "flat"