The test uses an RGB probe to determine whether a pixel was rendered
or not. By definition, an RGB proble will always return values of 0
whether or not the pixel was rendered. So the results are meaningless
for an alpha-only format.
---
tests/fbo/fbo-alphatest-formats.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tests/fbo/fbo-alphatest-formats.c
b/tests/fbo/fbo-alphatest-formats.c
index 30a7164..759eea6 100644
--- a/tests/fbo/fbo-alphatest-formats.c
+++ b/tests/fbo/fbo-alphatest-formats.c
@@ -77,7 +77,8 @@ static enum piglit_result test_format(const struct
format_desc *format)
float pos7[] = { 0.75, -1.0, 0.25, 2.0};
if (format->base_internal_format == GL_DEPTH_COMPONENT ||
- format->base_internal_format == GL_DEPTH_STENCIL)
+ format->base_internal_format == GL_DEPTH_STENCIL ||
+ format->base_internal_format == GL_ALPHA)
return PIGLIT_SKIP;
/*
--
1.7.10.4
_______________________________________________
Piglit mailing list
[email protected]
http://lists.freedesktop.org/mailman/listinfo/piglit
