rprFrameBufferGetInfo
Queries details for a particular framebuffer.
rpr_status rprFrameBufferGetInfo( |
rpr_framebuffer framebuffer, |
rpr_framebuffer_info info, |
|
size_t size, |
|
void * data, |
|
size_t * size_ret); |
Parameters
Parameter |
Description |
---|---|
framebuffer |
The framebuffer to query. |
info |
The information to obtain. |
size |
Size of the buffer pointed to by the data variable. |
data |
A buffer into which the results of the query will be stored. |
size_ret |
Returns the size in bytes of the data being queried. |
Notes
Query operations usually include two steps:
First, pass
data
as NULL along with a value for rpr_framebuffer_info detailing the information you wish to obtain. This will return the storage requirements for your query data.Secondly, query with
size_ret
set to NULL to fill the data buffer with the query data.
Output
Size in bytes of the 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