rprGridGetInfo

Queries information about a grid.

rpr_status rprGridGetInfo(	rpr_grid grid,
	rpr_grid_parameter grid_info,
	size_t size,
	void * data,
	size_t * size_ret);

Parameters

Parameter	Description
grid	The grid to query.
grid_info	The type of info to query.
size	The size of the buffer pointed by data.
data	The buffer to store queried info.
size_ret	Gives the size in bytes of the data being queried.

Notes

Query operations usually include two steps:

1. First, pass data as NULL along with a value for rpr_grid_parameter detailing the information you wish to obtain. This will return the storage requirements for your query data.

2. Secondly, query with size_ret set to NULL to fill the data buffer with the query data.

Output

Size in bytes of data being queried.

Return

Returns RPR_SUCCESS in case of success, or RPR_ERROR code if a problem was encountered.

To learn how to handle errors in AMD Radeon ProRender SDK, see Error Handling.

Errors

Possible error codes:

• RPR_ERROR_INVALID_PARAMETER