This reproduces an ir_validator failure in Serious Sam 3 shaders caused by the vectorizer pass, which I uncovered while doing unrelated work.
Signed-off-by: Kenneth Graunke <[email protected]> Cc: Matt Turner <[email protected]> --- .../glsl2/repeated-channel-assignment.vert | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 tests/glslparsertest/glsl2/repeated-channel-assignment.vert diff --git a/tests/glslparsertest/glsl2/repeated-channel-assignment.vert b/tests/glslparsertest/glsl2/repeated-channel-assignment.vert new file mode 100644 index 0000000..e7ba961 --- /dev/null +++ b/tests/glslparsertest/glsl2/repeated-channel-assignment.vert @@ -0,0 +1,17 @@ +// [config] +// expect_result: pass +// glsl_version: 1.10 +// [end config] + +uniform vec4 u; + +void main() +{ + vec2 v = vec2(0); + + v -= u.xy; + v.x += u.x; + v.x += u.x; + + gl_Position = v.xxyy; +} -- 1.9.1 _______________________________________________ Piglit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/piglit
