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Diffstat (limited to 'src/sksl/README')
| -rw-r--r-- | src/sksl/README | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/sksl/README b/src/sksl/README index d78953f595..98103fa64f 100644 --- a/src/sksl/README +++ b/src/sksl/README @@ -41,6 +41,9 @@ following differences between SkSL and GLSL: have to be expressed "vec2(x, y) * 4.0". There is no performance penalty for this, as the number is converted to a float at compile time) * type suffixes on numbers (1.0f, 0xFFu) are both unnecessary and unsupported +* creating a smaller vector from a larger vector (e.g. vec2(vec3(1))) is + intentionally disallowed, as it is just a wordier way of performing a swizzle. + Use swizzles instead. * Use texture() instead of textureProj(), e.g. texture(sampler2D, vec3) is equivalent to GLSL's textureProj(sampler2D, vec3) * some built-in functions and one or two rarely-used language features are not |