At most, one of the normalized, integer, doubles bools can be true.
---
src/mesa/main/varray.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/mesa/main/varray.c b/src/mesa/main/varray.c
index 9acd868..0f7777b 100644
--- a/src/mesa/main/varray.c
+++ b/src/mesa/main/varray.c
@@ -333,6 +333,9 @@ update_array_format(struct gl_context *ctx,
GLbitfield typeBit;
GLenum format = GL_RGBA;
+ /* at most, one of these bools can be true */
+ assert((int) normalized + (int) integer + (int) doubles <= 1);
+
if (ctx->Array.LegalTypesMask == 0 || ctx->Array.LegalTypesMaskAPI !=
ctx->API) {
/* Compute the LegalTypesMask only once, unless the context API has
* changed, in which case we want to compute it again. We can't do this
--
1.9.1
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