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Seems there is no sense in blitting 0-sized sources or destinations. Additionaly it may cause segfaults for i965. v2: Function call replaced with inline check v3: Added check to avoid devision by zero (L. Landwerlin) v4: Added simillar check for Iris (L. Landwerlin) Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=110239 Signed-off-by: Sergii Romantsov <sergii.romantsov@globallogic.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
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