빗자루네 ::

'nvidia'에 해당되는 글 1건

nvdxt 사용 방법 (구형 버전) 2007/06/05

nvdxt 사용 방법 (구형 버전)

Posted at 2007/06/05 13:41// Posted in d3d

다운로드

#include "dxtlib.h"
#include <stdio.h>

static FILE* gs_fp = NULL;

void WriteDTXnFile(unsigned long count, void* buf)
{
if (!gs_fp)
return;

fwrite(buf, count, 1, gs_fp);
}

void ReadDTXnFile(unsigned long count, void* buf)
{
if (!gs_fp)
return;

fread(buf, count, 1, gs_fp);
}

bool Save(const void* c_data, unsigned int width, unsigned int height, unsigned int byte_pitch, const char* outFileName)
{
if (gs_fp)
return false;

CompressionOptions coptions;
memset(&coptions, 0, sizeof(coptions));
coptions.MipMapType = dNoMipMaps; // dNoMipMaps, dSpecifyMipMaps, dUseExistingMipMaps, dGenerateMipMaps
coptions.MIPFilterType = dMIPFilterBox;
coptions.bDitherEachMIPLevel = coptions.bDitherColor;
coptions.TextureType = dTextureType2D;
coptions.TextureFormat = dDXT3;

gs_fp = fopen(outFileName, "wb");
if (!gs_fp)
return false;

nvDXTcompress((unsigned char*)c_data, width, height, byte_pitch, &coptions, 4, 0);
fclose(gs_fp);

gs_fp = NULL;
return true;
}