292f9317 |
1 | /* |
2 | Copyright (C) 2003 Rice1964 |
3 | |
4 | This program is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU General Public License |
6 | as published by the Free Software Foundation; either version 2 |
7 | of the License, or (at your option) any later version. |
8 | |
9 | This program is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
12 | GNU General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU General Public License |
15 | along with this program; if not, write to the Free Software |
16 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
17 | |
18 | */ |
19 | |
20 | #ifndef __CONVERTIMAGE_H__ |
21 | #define __CONVERTIMAGE_H__ |
22 | |
23 | #include "typedefs.h" |
24 | #include "Texture.h" |
25 | #include "TextureManager.h" |
26 | |
27 | |
28 | static const uint8 OneToEight[2] = |
29 | { |
30 | 0x00, // 0 -> 00 00 00 00 |
31 | 0xff // 1 -> 11 11 11 11 |
32 | }; |
33 | |
34 | static const uint8 OneToFour[2] = |
35 | { |
36 | 0x00, // 0 -> 00 00 |
37 | 0x0f // 1 -> 11 11 |
38 | }; |
39 | |
40 | static const uint8 TwoToEight[4] = |
41 | { |
42 | 0x00, // 00 -> 00 00 00 00 |
43 | 0x55, // 01 -> 01 01 01 01 |
44 | 0xaa, // 10 -> 10 10 10 10 |
45 | 0xff // 11 -> 11 11 11 11 |
46 | }; |
47 | |
48 | static const uint8 TwoToFour[4] = |
49 | { |
50 | 0x0, // 00 -> 00 00 |
51 | 0x5, // 01 -> 01 01 |
52 | 0xa, // 10 -> 10 10 |
53 | 0xf // 11 -> 11 11 |
54 | }; |
55 | |
56 | static const uint8 ThreeToEight[8] = |
57 | { |
58 | 0x00, // 000 -> 00 00 00 00 |
59 | 0x24, // 001 -> 00 10 01 00 |
60 | 0x49, // 010 -> 01 00 10 01 |
61 | 0x6d, // 011 -> 01 10 11 01 |
62 | 0x92, // 100 -> 10 01 00 10 |
63 | 0xb6, // 101 -> 10 11 01 10 |
64 | 0xdb, // 110 -> 11 01 10 11 |
65 | 0xff // 111 -> 11 11 11 11 |
66 | }; |
67 | |
68 | static const uint8 ThreeToFour[8] = |
69 | { |
70 | 0x0, // 000 -> 00 00 00 00 |
71 | 0x2, // 001 -> 00 10 01 00 |
72 | 0x4, // 010 -> 01 00 10 01 |
73 | 0x6, // 011 -> 01 10 11 01 |
74 | 0x9, // 100 -> 10 01 00 10 |
75 | 0xb, // 101 -> 10 11 01 10 |
76 | 0xd, // 110 -> 11 01 10 11 |
77 | 0xf // 111 -> 11 11 11 11 |
78 | }; |
79 | |
80 | static const uint8 FourToEight[16] = |
81 | { |
82 | 0x00, 0x11, 0x22, 0x33, |
83 | 0x44, 0x55, 0x66, 0x77, |
84 | 0x88, 0x99, 0xaa, 0xbb, |
85 | 0xcc, 0xdd, 0xee, 0xff |
86 | }; |
87 | |
88 | static const uint16 FourToSixteen[16] = |
89 | { |
90 | 0x0000, 0x1111, 0x2222, 0x3333, |
91 | 0x4444, 0x5555, 0x6666, 0x7777, |
92 | 0x8888, 0x9999, 0xaaaa, 0xbbbb, |
93 | 0xcccc, 0xdddd, 0xeeee, 0xffff |
94 | }; |
95 | |
96 | static const uint8 FiveToEight[32] = |
97 | { |
98 | 0x00, // 00000 -> 00000000 |
99 | 0x08, // 00001 -> 00001000 |
100 | 0x10, // 00010 -> 00010000 |
101 | 0x18, // 00011 -> 00011000 |
102 | 0x21, // 00100 -> 00100001 |
103 | 0x29, // 00101 -> 00101001 |
104 | 0x31, // 00110 -> 00110001 |
105 | 0x39, // 00111 -> 00111001 |
106 | 0x42, // 01000 -> 01000010 |
107 | 0x4a, // 01001 -> 01001010 |
108 | 0x52, // 01010 -> 01010010 |
109 | 0x5a, // 01011 -> 01011010 |
110 | 0x63, // 01100 -> 01100011 |
111 | 0x6b, // 01101 -> 01101011 |
112 | 0x73, // 01110 -> 01110011 |
113 | 0x7b, // 01111 -> 01111011 |
114 | |
115 | 0x84, // 10000 -> 10000100 |
116 | 0x8c, // 10001 -> 10001100 |
117 | 0x94, // 10010 -> 10010100 |
118 | 0x9c, // 10011 -> 10011100 |
119 | 0xa5, // 10100 -> 10100101 |
120 | 0xad, // 10101 -> 10101101 |
121 | 0xb5, // 10110 -> 10110101 |
122 | 0xbd, // 10111 -> 10111101 |
123 | 0xc6, // 11000 -> 11000110 |
124 | 0xce, // 11001 -> 11001110 |
125 | 0xd6, // 11010 -> 11010110 |
126 | 0xde, // 11011 -> 11011110 |
127 | 0xe7, // 11100 -> 11100111 |
128 | 0xef, // 11101 -> 11101111 |
129 | 0xf7, // 11110 -> 11110111 |
130 | 0xff // 11111 -> 11111111 |
131 | }; |
132 | |
133 | |
134 | #define RGBA5551_RedMask (0xF800) |
135 | #define RGBA5551_GreenMask (0x07C0) |
136 | #define RGBA5551_BlueMask (0x003E) |
137 | #define RGBA5551_AlphaMask (0x0001) |
138 | |
139 | |
140 | #define RGBA5551_RedShift 11 |
141 | #define RGBA5551_GreenShift 6 |
142 | #define RGBA5551_BlueShift 1 |
143 | #define RGBA5551_AlphaShift 0 |
144 | |
145 | #define RGBA565_RedMask (0xF800) |
146 | #define RGBA565_GreenMask (0x07E0) |
147 | #define RGBA565_BlueMask (0x001F) |
148 | |
149 | #define RGBA565_RedShift 11 |
150 | #define RGBA565_GreenShift 5 |
151 | #define RGBA565_BlueShift 0 |
152 | |
153 | inline uint16 ConvertRGBTo555(uint8 red, uint8 grn, uint8 blu) |
154 | { |
155 | return (uint16)(((uint16)(red >> 3) << RGBA5551_RedShift) | |
156 | ((uint16)(grn >> 3) << RGBA5551_GreenShift) | |
157 | ((uint16)(blu >> 3) << RGBA5551_BlueShift) | |
158 | ((uint16)(1) << RGBA5551_AlphaShift)); |
159 | } |
160 | |
161 | inline uint16 ConvertRGBTo565(uint8 red, uint8 grn, uint8 blu) |
162 | { |
163 | return (uint16)(((uint16)(red >> 3) << RGBA565_RedShift) | |
164 | ((uint16)(grn >> 2) << RGBA565_GreenShift) | |
165 | ((uint16)(blu >> 3) << RGBA565_BlueShift)); |
166 | } |
167 | inline uint16 Convert555To565(uint16 w555) |
168 | { |
169 | // Probably a faster method by fudging the low bits.. |
170 | |
171 | uint8 red = FiveToEight[(w555&RGBA5551_RedMask) >> RGBA5551_RedShift]; |
172 | uint8 grn = FiveToEight[(w555&RGBA5551_GreenMask)>> RGBA5551_GreenShift]; |
173 | uint8 blu = FiveToEight[(w555&RGBA5551_BlueMask) >> RGBA5551_BlueShift]; |
174 | |
175 | return ConvertRGBTo565(red, grn, blu); |
176 | } |
177 | |
178 | #define R4G4B4A4_MAKE(r,g,b,a) ((uint16)(((a) << 12) | ((r)<< 8) | ((g)<<4) | (b))) |
179 | |
180 | |
181 | inline uint32 Convert555ToRGBA(uint16 w555) |
182 | { |
183 | uint32 dwRed = FiveToEight[(w555&RGBA5551_RedMask) >> RGBA5551_RedShift]; |
184 | uint32 dwGreen = FiveToEight[(w555&RGBA5551_GreenMask)>> RGBA5551_GreenShift]; |
185 | uint32 dwBlue = FiveToEight[(w555&RGBA5551_BlueMask) >> RGBA5551_BlueShift]; |
186 | uint32 dwAlpha = (w555&RGBA5551_AlphaMask) ? 0xFF : 0x00; |
187 | return COLOR_RGBA(dwRed, dwGreen, dwBlue, dwAlpha); |
188 | |
189 | } |
190 | inline uint16 Convert555ToR4G4B4A4(uint16 w555) |
191 | { |
192 | uint8 dwRed = ((w555&RGBA5551_RedMask) >> RGBA5551_RedShift)>>1; |
193 | uint8 dwGreen = ((w555&RGBA5551_GreenMask)>> RGBA5551_GreenShift)>>1; |
194 | uint8 dwBlue = ((w555&RGBA5551_BlueMask) >> RGBA5551_BlueShift)>>1; |
195 | uint8 dwAlpha = (w555&RGBA5551_AlphaMask) ? 0xF : 0x0; |
196 | |
197 | return R4G4B4A4_MAKE(dwRed, dwGreen, dwBlue, dwAlpha); |
198 | } |
199 | |
200 | inline uint32 ConvertIA4ToRGBA(uint8 IA4) |
201 | { |
202 | uint32 I = ThreeToEight[(IA4 & 0x0F) >> 1]; |
203 | uint32 A = OneToEight[(IA4 & 0x01)]; |
204 | return COLOR_RGBA(I, I, I, A); |
205 | } |
206 | |
207 | inline uint16 ConvertIA4ToR4G4B4A4(uint8 IA4) |
208 | { |
209 | uint32 I = ThreeToFour[(IA4 & 0x0F) >> 1]; |
210 | uint32 A = OneToFour[(IA4 & 0x01)]; |
211 | return R4G4B4A4_MAKE(I, I, I, A); |
212 | } |
213 | inline uint32 ConvertI4ToRGBA(uint8 I4) |
214 | { |
215 | uint32 I = FourToEight[I4 & 0x0F]; |
216 | return COLOR_RGBA(I, I, I, I); |
217 | } |
218 | |
219 | inline uint16 ConvertI4ToR4G4B4A4(uint8 I4) |
220 | { |
221 | return FourToSixteen[I4 & 0x0F]; |
222 | } |
223 | |
224 | inline uint32 ConvertIA16ToRGBA(uint16 wIA) |
225 | { |
226 | uint32 dwIntensity = (wIA >> 8) & 0xFF; |
227 | uint32 dwAlpha = (wIA ) & 0xFF; |
228 | return COLOR_RGBA(dwIntensity, dwIntensity, dwIntensity, dwAlpha); |
229 | } |
230 | |
231 | inline uint16 ConvertIA16ToR4G4B4A4(uint16 wIA) |
232 | { |
233 | uint16 dwIntensity = (wIA >> 12) & 0x0F; |
234 | uint16 dwAlpha = (wIA >> 4) & 0x0F; |
235 | |
236 | return R4G4B4A4_MAKE(dwIntensity, dwIntensity, dwIntensity, dwAlpha); |
237 | } |
238 | |
239 | extern int g_convk0,g_convk1,g_convk2,g_convk3,g_convk4,g_convk5; |
240 | extern float g_convc0,g_convc1,g_convc2,g_convc3,g_convc4,g_convc5; |
241 | |
242 | uint32 ConvertYUV16ToR8G8B8(int Y, int U, int V); |
243 | uint16 ConvertYUV16ToR4G4B4(int Y, int U, int V); |
244 | |
245 | |
246 | typedef void ( * ConvertFunction )( CTexture * p_texture, const TxtrInfo & ti ); |
247 | |
248 | void ConvertRGBA16(CTexture *pTexture, const TxtrInfo &tinfo); |
249 | void ConvertRGBA32(CTexture *pTexture, const TxtrInfo &tinfo); |
250 | |
251 | |
252 | void ConvertIA4(CTexture *pTexture, const TxtrInfo &tinfo); |
253 | void ConvertIA8(CTexture *pTexture, const TxtrInfo &tinfo); |
254 | void ConvertIA16(CTexture *pTexture, const TxtrInfo &tinfo); |
255 | |
256 | void ConvertI4(CTexture *pTexture, const TxtrInfo &tinfo); |
257 | void ConvertI8(CTexture *pTexture, const TxtrInfo &tinfo); |
258 | |
259 | void ConvertCI4( CTexture *pTexture, const TxtrInfo & ti ); |
260 | void ConvertCI8( CTexture *pTexture, const TxtrInfo & ti ); |
261 | |
262 | void ConvertCI4_RGBA16(CTexture *pTexture, const TxtrInfo &tinfo); |
263 | void ConvertCI4_IA16(CTexture *pTexture, const TxtrInfo &tinfo); |
264 | void ConvertCI8_RGBA16(CTexture *pTexture, const TxtrInfo &tinfo); |
265 | void ConvertCI8_IA16(CTexture *pTexture, const TxtrInfo &tinfo); |
266 | |
267 | void ConvertYUV(CTexture *pTexture, const TxtrInfo &tinfo); |
268 | |
269 | // 16 a4r4g4b4 |
270 | void ConvertRGBA16_16(CTexture *pTexture, const TxtrInfo &tinfo); |
271 | void ConvertRGBA32_16(CTexture *pTexture, const TxtrInfo &tinfo); |
272 | |
273 | |
274 | void ConvertIA4_16(CTexture *pTexture, const TxtrInfo &tinfo); |
275 | void ConvertIA8_16(CTexture *pTexture, const TxtrInfo &tinfo); |
276 | void ConvertIA16_16(CTexture *pTexture, const TxtrInfo &tinfo); |
277 | |
278 | void ConvertI4_16(CTexture *pTexture, const TxtrInfo &tinfo); |
279 | void ConvertI8_16(CTexture *pTexture, const TxtrInfo &tinfo); |
280 | |
281 | void ConvertCI4_16( CTexture *pTexture, const TxtrInfo & ti ); |
282 | void ConvertCI8_16( CTexture *pTexture, const TxtrInfo & ti ); |
283 | |
284 | void ConvertCI4_RGBA16_16(CTexture *pTexture, const TxtrInfo &tinfo); |
285 | void ConvertCI4_IA16_16(CTexture *pTexture, const TxtrInfo &tinfo); |
286 | void ConvertCI8_RGBA16_16(CTexture *pTexture, const TxtrInfo &tinfo); |
287 | void ConvertCI8_IA16_16(CTexture *pTexture, const TxtrInfo &tinfo); |
288 | |
289 | void ConvertYUV_16(CTexture *pTexture, const TxtrInfo &tinfo); |
290 | |
291 | void Convert4b(CTexture *pTexture, const TxtrInfo &tinfo); |
292 | void Convert8b(CTexture *pTexture, const TxtrInfo &tinfo); |
293 | void Convert16b(CTexture *pTexture, const TxtrInfo &tinfo); |
294 | |
295 | void Convert4b_16(CTexture *pTexture, const TxtrInfo &tinfo); |
296 | void Convert8b_16(CTexture *pTexture, const TxtrInfo &tinfo); |
297 | void Convert16b_16(CTexture *pTexture, const TxtrInfo &tinfo); |
298 | |
299 | #endif |
300 | |