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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 TEXTURE_LOADER_H_ |
23 | #define TEXTURE_LOADER_H_ |
24 | |
25 | #include "GBIDefs.h" |
26 | |
27 | //Forward declarations |
28 | class Memory; |
29 | class RDP; |
30 | |
31 | //***************************************************************************** |
32 | //* TextureImage |
33 | //! Used to store information about texture image |
34 | //***************************************************************************** |
35 | struct TextureImage |
36 | { |
37 | unsigned int format; |
38 | unsigned int size; |
39 | unsigned int width; |
40 | unsigned int bpl; |
41 | unsigned int address; |
42 | |
43 | //! Constructor |
44 | TextureImage() |
45 | { |
46 | format = size = width = bpl = 0; |
47 | address = 0; |
48 | } |
49 | }; |
50 | |
51 | //***************************************************************************** |
52 | //* RDP Tile |
53 | //! Struct used to store information used then loading textures. |
54 | //***************************************************************************** |
55 | struct RDPTile |
56 | { |
57 | unsigned int format, size, line, tmem, palette; |
58 | |
59 | union |
60 | { |
61 | struct |
62 | { |
63 | unsigned int mirrort : 1; |
64 | unsigned int clampt : 1; |
65 | unsigned int pad0 : 30; |
66 | unsigned int mirrors : 1; |
67 | unsigned int clamps : 1; |
68 | unsigned int pad1 : 30; |
69 | }; |
70 | struct |
71 | { |
72 | unsigned int cmt, cms; |
73 | }; |
74 | }; |
75 | |
76 | //FrameBuffer *frameBuffer; |
77 | unsigned int maskt, masks; |
78 | unsigned int shiftt, shifts; |
79 | float fuls, fult, flrs, flrt; |
80 | unsigned int uls, ult, lrs, lrt; |
81 | |
82 | unsigned int getWidth() { return lrs - uls + 1; } |
83 | unsigned int getHeight() { return lrt - ult + 1; } |
84 | |
85 | //! Constructor |
86 | RDPTile() |
87 | { |
88 | format = size = line = tmem = palette = 0; |
89 | maskt = masks = 0; |
90 | shiftt = shifts = 0; |
91 | fuls = fult = flrs = flrt = 0; |
92 | uls = ult = lrs = lrt = 0; |
93 | } |
94 | }; |
95 | |
96 | //***************************************************************************** |
97 | //* Texture Loader |
98 | //! Class for loading texturs from RDRAM to Texture Memory |
99 | //***************************************************************************** |
100 | class TextureLoader |
101 | { |
102 | public: |
103 | |
104 | //Constructor / Destructor |
105 | TextureLoader(); |
106 | ~TextureLoader(); |
107 | |
108 | bool initialize(RDP* rdp, Memory* memory); |
109 | |
110 | //Set Texture Image |
111 | void setTextureImage(unsigned int format, unsigned int size, unsigned int width, unsigned int segmentAddress); |
112 | |
113 | //Set Tile |
114 | void setTile(int format, int size, int line, int tmem, int tile, int palette, |
115 | int clampS, int clampT, int mirrorS, int mirrorT, int maskS, |
116 | int maskT, int shiftS, int shiftT); |
117 | |
118 | //Set Tile Size |
119 | void setTileSize(int tile, unsigned int s0, unsigned int t0, unsigned int s1, unsigned int t1); |
120 | |
121 | //Load Tile |
122 | void loadTile(int tile, int s0, int t0, int s1, int t1); |
123 | |
124 | //Load Block |
125 | void loadBlock(int tile, int s0, int t0, int s1, int t1); |
126 | |
127 | //Load Texture Look up table |
128 | void loadTLUT(int tile, int s0, int t0, int s1, int t1); |
129 | |
130 | public: |
131 | |
132 | //! Returns information about current texture image |
133 | TextureImage* getTextureImage() { return &m_textureImage; } |
134 | |
135 | //! Returns previusly loaded tile |
136 | RDPTile* getCurrentTile() { return m_currentTile; } |
137 | |
138 | //! Returns a tile |
139 | //! @param tile which of the eight tiles to return. |
140 | RDPTile* getTile(unsigned int tile) { return &m_tiles[tile]; } |
141 | |
142 | private: |
143 | |
144 | Memory* m_memory; //!< Pointer to Memory Manager |
145 | RDP* m_rdp; //!< Pointer to Reality Signal Processor |
146 | |
147 | //Tiles |
148 | RDPTile m_tiles[8]; //!< Eight tiles |
149 | RDPTile* m_currentTile; //!< Previusly loaded tile |
150 | TextureImage m_textureImage; //!< Texture Image |
151 | |
152 | }; |
153 | |
154 | #endif |