citra/src/video_core/src/utils.cpp

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2014-04-05 22:04:25 +02:00
/**
* Copyright (C) 2005-2012 Gekko Emulator
*
* @file utils.cpp
* @author ShizZy <shizzy247@gmail.com>
* @date 2012-12-28
* @brief Utility functions (in general, not related to emulation) useful for video core
*
* @section LICENSE
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details at
* http://www.gnu.org/copyleft/gpl.html
*
* Official project repository can be found at:
* http://code.google.com/p/gekko-gc-emu/
*/
#include <stdio.h>
#include <string.h>
#include "utils.h"
namespace VideoCore {
/**
* Dumps a texture to TGA
* @param filename String filename to dump texture to
* @param width Width of texture in pixels
* @param height Height of texture in pixels
* @param raw_data Raw RGBA8 texture data to dump
* @todo This should be moved to some general purpose/common code
*/
void DumpTGA(std::string filename, int width, int height, u8* raw_data) {
TGAHeader hdr;
FILE* fout;
u8 r, g, b;
memset(&hdr, 0, sizeof(hdr));
hdr.datatypecode = 2; // uncompressed RGB
hdr.bitsperpixel = 24; // 24 bpp
hdr.width = width;
hdr.height = height;
fout = fopen(filename.c_str(), "wb");
fwrite(&hdr, sizeof(TGAHeader), 1, fout);
for (int i = 0; i < height; i++) {
for (int j = 0; j < width; j++) {
r = raw_data[(4 * (i * width)) + (4 * j) + 0];
g = raw_data[(4 * (i * width)) + (4 * j) + 1];
b = raw_data[(4 * (i * width)) + (4 * j) + 2];
putc(b, fout);
putc(g, fout);
putc(r, fout);
}
}
fclose(fout);
}
} // namespace