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Diffstat (limited to 'src/sksl/README')
-rw-r--r-- | src/sksl/README | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/sksl/README b/src/sksl/README index bb2dd05396..dd0af9825f 100644 --- a/src/sksl/README +++ b/src/sksl/README @@ -45,6 +45,8 @@ Differences from GLSL * use sk_InstanceID instead of gl_InstanceID * the fragment coordinate is sk_FragCoord, and is always relative to the upper left. +* use sk_Clockwise instead of gl_FrontFacing. This is always relative to an + upper left origin. * you do not need to include ".0" to make a number a float (meaning that "float2(x, y) * 4" is perfectly legal in SkSL, unlike GLSL where it would often have to be expressed "float2(x, y) * 4.0". There is no performance @@ -149,4 +151,4 @@ Creating a new .fp file 7. At this point you can reference the new fragment processor from within Skia. Once you have done this initial setup, simply re-build Skia to pick up any -changes to the .fp file.
\ No newline at end of file +changes to the .fp file. |