This WebGL test sets width and height to 0:
https://www.khronos.org/registry/webgl/sdk/tests/conformance/misc/type-conversion-test.html
It causes assertion failures in the state tracker.
---
src/mesa/main/teximage.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 0dcf88a..7ec5fdb 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -3453,6 +3453,10 @@ copyteximage(struct gl_context *ctx, GLuint dims,
return;
}
+ if (!width || !height) {
+ return; /* undefined behavior? */
+ }
+
texObj = _mesa_get_current_tex_object(ctx, target);
assert(texObj);
--
1.7.10.4
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