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authorAlejandro PiƱeiro <[email protected]>2015-12-19 12:15:00 +0100
committerEduardo Lima Mitev <[email protected]>2016-03-03 15:14:06 +0100
commite976a30db8f24ec81259140f157a224c49aa373e (patch)
treefc4d62b14931673228436000f4d907d9e529edf0 /include/GL/osmesa.h
parentc5cf16a4fcf64eb1f6b5923e0d46b3f7dfee23a9 (diff)
mesa/formatquery: support for MAX_COMBINED_DIMENSIONS
It is implemented combining the values returned by calls to the 32-bit query _mesa_GetInternalformati32v. The main reason is simplicity. The other option would be C&P how we implemented the support of GL_MAX_{WIDTH/HEIGHT/DEPTH} and GL_SAMPLES. Additionally, doing this way, we avoid adding checks on the code, as are done by the call to the query itself. MAX_COMBINED_DIMENSIONS is the only pname pointed on the spec of needing a 64-bit query. We handle that possibility by packing the returning value on the two first 32-bit integers of params. This would work on the 32-bit query as far as the value is not greater that INT_MAX. On the 64-bit query wrapper we unpack those values in order to get the final value. Reviewed-by: Dave Airlie <[email protected]>
Diffstat (limited to 'include/GL/osmesa.h')
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