Produce correct `one` value for integer textures
Produce correct `one` value for integer textures

Test: dEQP-VK.texture.swizzle.component_mapping.*
Bug: b/129523279
Change-Id: Ib4f7cd6c90fe7bde7d1abd2ecf77e3abbe121438
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/29949
Tested-by: Chris Forbes <c3279c50043e18e9442c1ae071cafa0e7a4ca967@google.com>
Presubmit-Ready: Chris Forbes <c3279c50043e18e9442c1ae071cafa0e7a4ca967@google.com>
Reviewed-by: Nicolas Capens <51edc787c30f24c4904e8ffbb5523c3a9f7a451d@google.com>
Kokoro-Presubmit: kokoro <2ac7b1f3fa578934c95181d4272be0d3bca00121@google.com>

bkaradzic/SwiftShader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,google/swiftshader,google/swiftshader,google/swiftshader,bkaradzic/SwiftShader