Neil Roberts
b83069f3b2
cogl-pango-glyph-cache: Don't put zero-sized glyphs in the cache
It now avoids trying to reserve space for zero-sized glyphs. That happens for example when the layout contains a space. This was causing the regular glyph cache to be used because the global atlas does not support zero-sized images. That would then break up the batching. Instead it now still reserves an entry in the cache but leaves the texture as COGL_INVALID_HANDLE.
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