diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/gpu/GrFragmentProcessor.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/include/gpu/GrFragmentProcessor.h b/include/gpu/GrFragmentProcessor.h index 0d41a267de..2ed187d19e 100644 --- a/include/gpu/GrFragmentProcessor.h +++ b/include/gpu/GrFragmentProcessor.h @@ -35,11 +35,12 @@ public: static sk_sp<GrFragmentProcessor> MulOutputByInputAlpha(sk_sp<GrFragmentProcessor>); /** - * Similar to the above but it modulates the output r,g,b of the child processor by the input - * rgb and then multiplies all the components by the input alpha. This effectively modulates - * the child processor's premul color by a unpremul'ed input and produces a premul output + * This assumes that the input color to the returned processor will be unpremul and that the + * passed processor (which becomes the returned processor's child) produces a premul output. + * The result of the returned processor is a premul of its input color modulated by the child + * processor's premul output. */ - static sk_sp<GrFragmentProcessor> MulOutputByInputUnpremulColor(sk_sp<GrFragmentProcessor>); + static sk_sp<GrFragmentProcessor> MakeInputPremulAndMulByOutput(sk_sp<GrFragmentProcessor>); /** * Returns a parent fragment processor that adopts the passed fragment processor as a child. |