Implement several OpenGL ES 1.1 functions with fixed-point parameters.
Implement several OpenGL ES 1.1 functions with fixed-point parameters.

Bug 21278131

Change-Id: I008863c5289e1396765d70eb40b9cfb6cd0e43c5
Reviewed-on: https://swiftshader-review.googlesource.com/3211
Reviewed-by: Nicolas Capens <0612353e1fcebbfd4b302d9337447ca0cdfa9122@google.com>
Tested-by: Nicolas Capens <0612353e1fcebbfd4b302d9337447ca0cdfa9122@google.com>

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