Gets the current memory restrictions set using L_SetMemoryThresholds.
#include "l_bitmap.h"
L_LTKRN_API L_VOID L_GetMemoryThresholds(pnTiledThreshold, pnMaxConvSize, pnTileSize, pnConvTiles, pnConvBuffers);
Pointer to a variable to be updated with a value that represents the minimum amount of free memory required to allow the allocation of conventional bitmaps. For more information, refer to L_SetMemoryThresholds.
Pointer to a variable to be updated with a value that represents the maximum size for a conventional bitmap. For more information, refer to L_SetMemoryThresholds.
Pointer to a variable to be updated with a value that represents the size of the tile for tiled bitmaps. For more information, refer to L_SetMemoryThresholds.
Pointer to a variable to be updated with a value that represents the maximum number of tiles that will reside in conventional memory at any time. For more information, refer to L_SetMemoryThresholds.
Pointer to a variable to be updated with the number of buffers in conventional memory. For more information, refer to L_SetMemoryThresholds.
This function will allow you to retrieve the parameters set with L_SetMemoryThresholds. For more information on the various thresholds, refer to L_SetMemoryThresholds.
Pass NULL for any parameter you are not interested in retrieving.
None.
Win32, x64, Linux.
This example doubles the maximum size for a conventional bitmap.
L_INT GetMemoryThresholdsExample(L_VOID)
{
L_INT nRet;
L_SSIZE_T zMaxConvSize;
/* Get only the max conventional size value */
L_GetMemoryThresholds (NULL, &zMaxConvSize, NULL, NULL, NULL);
/* Double the max conventional size value */
nRet = L_SetMemoryThresholds (0, zMaxConvSize * 2, 0, 0, 0, MEM_MAXCONVSIZE);
if(nRet != SUCCESS)
return nRet;
return SUCCESS;
}
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