SPV: For AST interpolateAt* ops consuming a swizzle, invert the order.

Apply the interpolation first, then apply the swizzle to the result, the inverse of the order requested by the AST. This fixes issue #411.
2016-07-26 12:50:38 -06:00
parent 731cd83ef6
commit 8c8505c604
5 changed files with 184 additions and 29 deletions
--- a/gtests/Spv.FromFile.cpp
+++ b/gtests/Spv.FromFile.cpp
@@ -184,6 +184,7 @@ INSTANTIATE_TEST_CASE_P(
        "spv.structure.frag",
        "spv.switch.frag",
        "spv.swizzle.frag",
+        "spv.swizzleInversion.frag",
        "spv.test.frag",
        "spv.test.vert",
        "spv.texture.frag",