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