`unpack4x8snorm`

Function

Unpacks the four bytes of a u32 into a vec4 of values in [-1, 1], reading each as a signed byte, the low byte into component 0.

The signature and the sentence under each name are the compiler's own text at commit 26de7be8.

Syntax

declare function unpack4x8snorm(a0: u32): vec4
declare function unpack4x8snorm(e: u32): vec4

The inverse of pack4x8snorm.

Evaluated in f64 by the CPU oracle.

WGSL: unpack4x8snorm(a)
GLSL ES 3.00: max(vec4(ivec4(uvec4(a, a >> 8, a >> 16, a >> 24) << 24) >> 24) / 127.0, vec4(-1.0))