Fix precision propagation around shifts

Fixes #2541
2021-02-26 11:34:51 -07:00
parent 51d672b8a8
commit c176085909
3 changed files with 51 additions and 7 deletions
--- a/Test/spv.precision.frag
+++ b/Test/spv.precision.frag
@@ -1,4 +1,5 @@
 #version 310 es
+#extension GL_OES_sample_variables : enable
 precision mediump float;
 in lowp float lowfin;
 in mediump float mediumfin;
@@ -59,4 +60,5 @@ void main()
    mediumfout *= s.b;

    mediumfout = ((mediumfin * mediumfin > 4.2) ? 2.0 * mediumfout : 3.0 * mediumfout);
+    mediumfout = ((gl_SampleMaskIn[0] >> uniform_medium > 0) ? 2.0 * mediumfout : 3.0 * mediumfout);
 }