| 1 | /****************************************************************************** |
| 2 | * Arachnoid Graphics Plugin for Mupen64Plus |
| 3 | * http://bitbucket.org/wahrhaft/mupen64plus-video-arachnoid/ |
| 4 | * |
| 5 | * Copyright (C) 2007 Kristofer Karlsson, Rickard Niklasson |
| 6 | * |
| 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. |
| 11 | * |
| 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. |
| 16 | * |
| 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 | *****************************************************************************/ |
| 21 | |
| 22 | #ifndef IMAGE_FORMAT_SELECTOR_H_ |
| 23 | #define IMAGE_FORMAT_SELECTOR_H_ |
| 24 | |
| 25 | //Function pointer for image decoding |
| 26 | typedef unsigned int (*GetTexelFunc)( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ); |
| 27 | |
| 28 | //Forward declarations |
| 29 | class CachedTexture; |
| 30 | |
| 31 | //***************************************************************************** |
| 32 | //* ImageFormat |
| 33 | //! Struct used when diffining image formats and how to convert/decode/interperite them. |
| 34 | //***************************************************************************** |
| 35 | struct ImageFormat |
| 36 | { |
| 37 | GetTexelFunc Get16; |
| 38 | unsigned int glType16; |
| 39 | int glInternalFormat16; |
| 40 | GetTexelFunc Get32; |
| 41 | unsigned int glType32; |
| 42 | int glInternalFormat32; |
| 43 | unsigned int autoFormat, lineShift, maxTexels; |
| 44 | }; |
| 45 | |
| 46 | //***************************************************************************** |
| 47 | //* ImageFormatSelector |
| 48 | //! Class for selecting image format decoding functions depending on image format. |
| 49 | //***************************************************************************** |
| 50 | class ImageFormatSelector |
| 51 | { |
| 52 | public: |
| 53 | |
| 54 | //Constructor / Destructor |
| 55 | ImageFormatSelector(); |
| 56 | ~ImageFormatSelector(); |
| 57 | |
| 58 | //Detect image format |
| 59 | void detectImageFormat(CachedTexture* texture, unsigned int textureBitDepth, GetTexelFunc& getTexelFunc, unsigned int& internalFormat, int& imageType, unsigned int textureLUT); |
| 60 | |
| 61 | public: |
| 62 | |
| 63 | //Static variables |
| 64 | static ImageFormat imageFormats[4][5]; //!< Defines how to decode diffrent formats |
| 65 | |
| 66 | }; |
| 67 | |
| 68 | #endif |