2 Copyright (C) 2003 Rice1964
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.
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.
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.
20 #ifndef __CONVERTIMAGE_H__
21 #define __CONVERTIMAGE_H__
25 #include "TextureManager.h"
28 static const uint8 OneToEight[2] =
30 0x00, // 0 -> 00 00 00 00
31 0xff // 1 -> 11 11 11 11
34 static const uint8 OneToFour[2] =
40 static const uint8 TwoToEight[4] =
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
48 static const uint8 TwoToFour[4] =
56 static const uint8 ThreeToEight[8] =
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
68 static const uint8 ThreeToFour[8] =
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
80 static const uint8 FourToEight[16] =
82 0x00, 0x11, 0x22, 0x33,
83 0x44, 0x55, 0x66, 0x77,
84 0x88, 0x99, 0xaa, 0xbb,
85 0xcc, 0xdd, 0xee, 0xff
88 static const uint16 FourToSixteen[16] =
90 0x0000, 0x1111, 0x2222, 0x3333,
91 0x4444, 0x5555, 0x6666, 0x7777,
92 0x8888, 0x9999, 0xaaaa, 0xbbbb,
93 0xcccc, 0xdddd, 0xeeee, 0xffff
96 static const uint8 FiveToEight[32] =
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
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
134 #define RGBA5551_RedMask (0xF800)
135 #define RGBA5551_GreenMask (0x07C0)
136 #define RGBA5551_BlueMask (0x003E)
137 #define RGBA5551_AlphaMask (0x0001)
140 #define RGBA5551_RedShift 11
141 #define RGBA5551_GreenShift 6
142 #define RGBA5551_BlueShift 1
143 #define RGBA5551_AlphaShift 0
145 #define RGBA565_RedMask (0xF800)
146 #define RGBA565_GreenMask (0x07E0)
147 #define RGBA565_BlueMask (0x001F)
149 #define RGBA565_RedShift 11
150 #define RGBA565_GreenShift 5
151 #define RGBA565_BlueShift 0
153 inline uint16 ConvertRGBTo555(uint8 red, uint8 grn, uint8 blu)
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));
161 inline uint16 ConvertRGBTo565(uint8 red, uint8 grn, uint8 blu)
163 return (uint16)(((uint16)(red >> 3) << RGBA565_RedShift) |
164 ((uint16)(grn >> 2) << RGBA565_GreenShift) |
165 ((uint16)(blu >> 3) << RGBA565_BlueShift));
167 inline uint16 Convert555To565(uint16 w555)
169 // Probably a faster method by fudging the low bits..
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];
175 return ConvertRGBTo565(red, grn, blu);
178 #define R4G4B4A4_MAKE(r,g,b,a) ((uint16)(((a) << 12) | ((r)<< 8) | ((g)<<4) | (b)))
181 inline uint32 Convert555ToRGBA(uint16 w555)
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);
190 inline uint16 Convert555ToR4G4B4A4(uint16 w555)
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;
197 return R4G4B4A4_MAKE(dwRed, dwGreen, dwBlue, dwAlpha);
200 inline uint32 ConvertIA4ToRGBA(uint8 IA4)
202 uint32 I = ThreeToEight[(IA4 & 0x0F) >> 1];
203 uint32 A = OneToEight[(IA4 & 0x01)];
204 return COLOR_RGBA(I, I, I, A);
207 inline uint16 ConvertIA4ToR4G4B4A4(uint8 IA4)
209 uint32 I = ThreeToFour[(IA4 & 0x0F) >> 1];
210 uint32 A = OneToFour[(IA4 & 0x01)];
211 return R4G4B4A4_MAKE(I, I, I, A);
213 inline uint32 ConvertI4ToRGBA(uint8 I4)
215 uint32 I = FourToEight[I4 & 0x0F];
216 return COLOR_RGBA(I, I, I, I);
219 inline uint16 ConvertI4ToR4G4B4A4(uint8 I4)
221 return FourToSixteen[I4 & 0x0F];
224 inline uint32 ConvertIA16ToRGBA(uint16 wIA)
226 uint32 dwIntensity = (wIA >> 8) & 0xFF;
227 uint32 dwAlpha = (wIA ) & 0xFF;
228 return COLOR_RGBA(dwIntensity, dwIntensity, dwIntensity, dwAlpha);
231 inline uint16 ConvertIA16ToR4G4B4A4(uint16 wIA)
233 uint16 dwIntensity = (wIA >> 12) & 0x0F;
234 uint16 dwAlpha = (wIA >> 4) & 0x0F;
236 return R4G4B4A4_MAKE(dwIntensity, dwIntensity, dwIntensity, dwAlpha);
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;
242 uint32 ConvertYUV16ToR8G8B8(int Y, int U, int V);
243 uint16 ConvertYUV16ToR4G4B4(int Y, int U, int V);
246 typedef void ( * ConvertFunction )( CTexture * p_texture, const TxtrInfo & ti );
248 void ConvertRGBA16(CTexture *pTexture, const TxtrInfo &tinfo);
249 void ConvertRGBA32(CTexture *pTexture, const TxtrInfo &tinfo);
252 void ConvertIA4(CTexture *pTexture, const TxtrInfo &tinfo);
253 void ConvertIA8(CTexture *pTexture, const TxtrInfo &tinfo);
254 void ConvertIA16(CTexture *pTexture, const TxtrInfo &tinfo);
256 void ConvertI4(CTexture *pTexture, const TxtrInfo &tinfo);
257 void ConvertI8(CTexture *pTexture, const TxtrInfo &tinfo);
259 void ConvertCI4( CTexture *pTexture, const TxtrInfo & ti );
260 void ConvertCI8( CTexture *pTexture, const TxtrInfo & ti );
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);
267 void ConvertYUV(CTexture *pTexture, const TxtrInfo &tinfo);
270 void ConvertRGBA16_16(CTexture *pTexture, const TxtrInfo &tinfo);
271 void ConvertRGBA32_16(CTexture *pTexture, const TxtrInfo &tinfo);
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);
278 void ConvertI4_16(CTexture *pTexture, const TxtrInfo &tinfo);
279 void ConvertI8_16(CTexture *pTexture, const TxtrInfo &tinfo);
281 void ConvertCI4_16( CTexture *pTexture, const TxtrInfo & ti );
282 void ConvertCI8_16( CTexture *pTexture, const TxtrInfo & ti );
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);
289 void ConvertYUV_16(CTexture *pTexture, const TxtrInfo &tinfo);
291 void Convert4b(CTexture *pTexture, const TxtrInfo &tinfo);
292 void Convert8b(CTexture *pTexture, const TxtrInfo &tinfo);
293 void Convert16b(CTexture *pTexture, const TxtrInfo &tinfo);
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);