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/* Copyright (c) 2001, Stanford University
* All rights reserved
*
* See the file LICENSE.txt for information on redistributing this software.
*/
#include "packer.h"
static unsigned char * __gl_HandlePixelMapData( GLenum map, GLsizei mapsize, int size_of_value, const GLvoid *values )
{
int i;
int packet_length =
sizeof( map ) +
sizeof( mapsize ) +
mapsize*size_of_value;
unsigned char *data_ptr = (unsigned char *) crPackAlloc( packet_length );
WRITE_DATA( 0, GLenum, SWAP32(map) );
WRITE_DATA( 4, GLsizei, SWAP32(mapsize) );
for (i = 0 ; i < mapsize ; i++)
{
switch( size_of_value )
{
case 2:
WRITE_DATA( 8 + i*sizeof(GLshort), GLshort, SWAP16(*((GLshort *)values + i) ));
break;
case 4:
WRITE_DATA( 8 + i*sizeof(GLint), GLint, SWAP32(*((GLint *)values + i) ));
break;
}
}
return data_ptr;
}
void PACK_APIENTRY crPackPixelMapfvSWAP(GLenum map, GLsizei mapsize,
const GLfloat *values )
{
unsigned char *data_ptr = __gl_HandlePixelMapData( map, mapsize, sizeof( *values ), values );
crHugePacket( CR_PIXELMAPFV_OPCODE, data_ptr );
crPackFree( data_ptr );
}
void PACK_APIENTRY crPackPixelMapuivSWAP(GLenum map, GLsizei mapsize,
const GLuint *values )
{
unsigned char *data_ptr = __gl_HandlePixelMapData( map, mapsize, sizeof( *values ), values );
crHugePacket( CR_PIXELMAPUIV_OPCODE, data_ptr );
crPackFree( data_ptr );
}
void PACK_APIENTRY crPackPixelMapusvSWAP(GLenum map, GLsizei mapsize,
const GLushort *values )
{
unsigned char *data_ptr = __gl_HandlePixelMapData( map, mapsize, sizeof( *values ), values );
crHugePacket( CR_PIXELMAPUSV_OPCODE, data_ptr );
crPackFree( data_ptr );
}
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