mirror of
https://github.com/outbackdingo/UltraGrid.git
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108 lines
2.9 KiB
C++
108 lines
2.9 KiB
C++
/******************************************************************************
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* Fast DXT - a realtime DXT compression tool
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*
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* Author : Luc Renambot
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*
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* Copyright (C) 2007 Electronic Visualization Laboratory,
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* University of Illinois at Chicago
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either Version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser Public License along
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* with this library; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*****************************************************************************/
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//
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// Usage: ./2dxt width height type rawfile dxtfile
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//
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#define NUMTHREAD 2
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#include "libdxt.h"
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int
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main(int argc, char** argv)
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{
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byte *in;
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byte *out;
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int nbbytes;
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if (argc != 6)
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{
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fprintf(stderr, "Usage: ./2dxt width height type rawfile dxtfile\n");
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exit(0);
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}
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// Initialize some timing functions and else
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aInitialize();
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/*
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Read an image.
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*/
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unsigned long width = atoi(argv[1]);
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unsigned long height = atoi(argv[2]);
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int format = 1;
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format = atoi(argv[3]);
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in = (byte*)memalign(16, width*height*4);
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memset(in, 0, width*height*4);
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FILE *f=fopen(argv[4], "rb");
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int res=(int)fread(in, 1, width*height*4, f);
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fclose(f);
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out = (byte*)memalign(16, width*height*4);
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memset(out, 0, width*height*4);
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fprintf(stderr, "Converting to raw: %ldx%ld\n", width, height);
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double t1, t2;
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t1 = aTime();
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nbbytes = 0;
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switch (format) {
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case 1:
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nbbytes = CompressDXT(in, out, width, height, FORMAT_DXT1, NUMTHREAD);
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fprintf(stderr, "Converted to DXT1: from %d bytes to %ld bytes\n",
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width*height*4, nbbytes);
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break;
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case 5:
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nbbytes = CompressDXT(in, out, width, height, FORMAT_DXT5, NUMTHREAD);
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fprintf(stderr, "Converted to DXT5: from %d bytes to %ld bytes\n",
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width*height*4, nbbytes);
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break;
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case 6:
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nbbytes = CompressDXT(in, out, width, height, FORMAT_DXT5YCOCG, NUMTHREAD);
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fprintf(stderr, "Converted to DXT5-YCoCg: from %d bytes to %ld bytes\n",
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width*height*4, nbbytes);
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break;
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}
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t2 = aTime();
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fprintf(stderr, "Time %.2f sec, Freq %.2f Hz\n",
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t2-t1, 1.0/(t2-t1) );
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fprintf(stderr, "MP/sec %.2f\n",
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((double)(width*height)) / ((t2-t1)*1000000.0) );
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FILE *g=fopen(argv[5], "wb+");
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fwrite(&width, 4, 1, g);
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fwrite(&height, 4, 1, g);
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int res2=(int)fwrite(out, 1, nbbytes, g);
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fclose(g);
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memfree(in);
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memfree(out);
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return 0;
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}
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