Neil Roberts d2a35a1e22 cogl-pipeline: Fix comparing the texture data state for NULL textures
When comparing the texture data for a pipeline layer it tries to get
the GL texture handle out of the texture object. However it's valid
for a layer to have a NULL texture object but in that case the code
would just crash. This patch fixes it to compare the texture types
when the texture object is NULL.

Reviewed-by: Robert Bragg <robert@linux.intel.com>
2012-02-13 17:10:18 +00:00
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