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L_GetMemoryThresholds

#include "l_bitmap.h"

L_LTKRN_API L_VOID L_GetMemoryThresholds(pnTiledThreshold, pnMaxConvSize, pnTileSize, pnConvTiles, pnConvBuffers);

Gets the current memory restrictions set using L_SetMemoryThresholds.

Parameters

L_INT* pnTiledThreshold

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.

L_SSIZE_T* pnMaxConvSize

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.

L_SSIZE_T* pnTileSize

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.

L_INT* pnConvTiles

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.

L_INT* pnConvBuffers

Pointer to a variable to be updated with the number of buffers in conventional memory. For more information, refer to L_SetMemoryThresholds.

Comments

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.

Returns

None.

Required DLLs and Libraries

LTKRN
For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Platforms

Win32, x64, Linux.

Functions

Topics

Example

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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