[meta] Constant evaluator built-in functions support

• bitcast: https://github.com/gfx-rs/wgpu/issues/7700
• select: #7572 (v26)
• all: #7166 (v25)
• any: #7166 (v25)
• quantizeToF16

comparison

• abs: https://github.com/gfx-rs/wgpu/pull/4879
• min: https://github.com/gfx-rs/wgpu/pull/5098
• max: https://github.com/gfx-rs/wgpu/pull/5098
• clamp
• saturate: https://github.com/gfx-rs/wgpu/pull/4879

trigonometry

• cos: https://github.com/gfx-rs/wgpu/pull/4879
• cosh: https://github.com/gfx-rs/wgpu/pull/4879
• sin: https://github.com/gfx-rs/wgpu/pull/4879
• sinh: https://github.com/gfx-rs/wgpu/pull/4879
• tan: https://github.com/gfx-rs/wgpu/pull/4879
• tanh: https://github.com/gfx-rs/wgpu/pull/4879
• acos: https://github.com/gfx-rs/wgpu/pull/4879
• acosh: https://github.com/gfx-rs/wgpu/pull/4879
• asin: https://github.com/gfx-rs/wgpu/pull/4879
• asinh: https://github.com/gfx-rs/wgpu/pull/4879
• atan: https://github.com/gfx-rs/wgpu/pull/4879
• atanh: https://github.com/gfx-rs/wgpu/pull/4879
• atan2: #8222 (v27)
• radians: https://github.com/gfx-rs/wgpu/pull/5098
• degrees: https://github.com/gfx-rs/wgpu/pull/5098

decomposition

• ceil: https://github.com/gfx-rs/wgpu/pull/5098
• floor: https://github.com/gfx-rs/wgpu/pull/5098
• round: https://github.com/gfx-rs/wgpu/pull/4879
• fract: https://github.com/gfx-rs/wgpu/pull/5098
• trunc: https://github.com/gfx-rs/wgpu/pull/5098
• modf
• frexp (used by CTS tests for other builtins, e.g. sign, as noted in #8942)
• ldexp

exponent

• exp: https://github.com/gfx-rs/wgpu/pull/5098
• exp2: https://github.com/gfx-rs/wgpu/pull/5098
• log: https://github.com/gfx-rs/wgpu/pull/5098
• log2: https://github.com/gfx-rs/wgpu/pull/5098
• pow

geometry

• dot: #8223 (v28)
• dot4I8Packed: #7494 (v26)
• dot4U8Packed: #7494 (v26)
• cross: #7404 (v25)
• distance: #8223 (v28)
• length: #8223 (v28)
• normalize: #8223 (v28)
• faceForward: #10258
• reflect: #10258
• refract: #10258

computational

• sign: https://github.com/gfx-rs/wgpu/pull/5098
• fma: https://github.com/gfx-rs/wgpu/pull/5098
• mix
• step: https://github.com/gfx-rs/wgpu/pull/4879
• smoothstep
• sqrt: https://github.com/gfx-rs/wgpu/pull/4879
• inverseSqrt: https://github.com/gfx-rs/wgpu/pull/5098
• transpose
• determinant

bits

• countTrailingZeros: https://github.com/gfx-rs/wgpu/pull/5098
• countLeadingZeros: https://github.com/gfx-rs/wgpu/pull/5098
• countOneBits: https://github.com/gfx-rs/wgpu/pull/5098
• reverseBits: https://github.com/gfx-rs/wgpu/pull/5098
• extractBits: #10258
• insertBits: #10258
• firstTrailingBit: https://github.com/gfx-rs/wgpu/pull/5101
• firstLeadingBit: https://github.com/gfx-rs/wgpu/pull/5101

data packing

• pack4x8snorm
• pack4x8unorm
• pack2x16snorm
• pack2x16unorm
• pack2x16float
• pack4xI8
• pack4xU8
• pack4xI8Clamp
• pack4xU8Clamp

data unpacking

• unpack4x8snorm
• unpack4x8unorm
• unpack2x16snorm
• unpack2x16unorm
• unpack2x16float
• unpack4xI8
• unpack4xU8

wgpu extensions (consider making a separate meta issue for this group if it grows)

• #8972