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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 |