SOGetScanLineBuffer
Retrieves the
address of the buffer for storing the current scan line.
This function
is called from the VwStreamReadFunc function for each scan line produced.
This function
sets the variable pointed to by ppScanLineData to the address
where the scan line data should be built.
WORD SOGetScanLineBuffer(
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VOID VWPTR *ppScanLineData, |
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HPROC reserved |
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); |
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Parameters
ppScanLineData
Address of
the variable that receives the address of the scan line data buffer.
reserved
Reserved; do
not use.
Return Values
Returns the
size, in bytes, of the scan line data buffer. The size is the maximum number of
bytes that may be accessed using the returned address and is guaranteed to be
sufficient to hold a scan line as wide as the entire tile.