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Add DXT1 div table generator.

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This commit is contained in:
Bartosz Taudul 2019-06-29 11:49:52 +02:00
parent 370fead4b2
commit b73f428739
1 changed files with 22 additions and 0 deletions
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extra/dxt1divtable.c Normal file
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#include <stdint.h>
#include <stdio.h>
int main()
{
for( int i=0; i<255*3; i++ )
{
// replace 4 with 2 for ARM NEON table
uint32_t range = ( 4 << 16 ) / ( 1+i );
if( range > 0xFFFF ) range = 0xFFFF;
if( i % 16 == 15 )
{
printf( "0x%04x,\n", range );
}
else
{
printf( "0x%04x, ", range );
}
}
printf( "\n" );
return 0;
}