1 /******************************************************************************
2 * Arachnoid Graphics Plugin for Mupen64Plus
3 * http://bitbucket.org/wahrhaft/mupen64plus-video-arachnoid/
5 * Copyright (C) 2007 Kristofer Karlsson, Rickard Niklasson
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 *****************************************************************************/
22 #ifndef IMAGE_FORMAT_SELECTOR_H_
23 #define IMAGE_FORMAT_SELECTOR_H_
25 //Function pointer for image decoding
26 typedef unsigned int (*GetTexelFunc)( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette );
28 //Forward declarations
31 //*****************************************************************************
33 //! Struct used when diffining image formats and how to convert/decode/interperite them.
34 //*****************************************************************************
38 unsigned int glType16;
39 int glInternalFormat16;
41 unsigned int glType32;
42 int glInternalFormat32;
43 unsigned int autoFormat, lineShift, maxTexels;
46 //*****************************************************************************
47 //* ImageFormatSelector
48 //! Class for selecting image format decoding functions depending on image format.
49 //*****************************************************************************
50 class ImageFormatSelector
54 //Constructor / Destructor
55 ImageFormatSelector();
56 ~ImageFormatSelector();
59 void detectImageFormat(CachedTexture* texture, unsigned int textureBitDepth, GetTexelFunc& getTexelFunc, unsigned int& internalFormat, int& imageType, unsigned int textureLUT);
64 static ImageFormat imageFormats[4][5]; //!< Defines how to decode diffrent formats