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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 | //***************************************************************************** |
23 | // |
24 | // NOTE THAT THIS FILE IS BASED ON MATERIAL FROM glN64. |
25 | // http://gln64.emulation64.com/ |
26 | // |
27 | //***************************************************************************** |
28 | |
29 | #include "ImageFormatSelector.h" |
30 | #include "CachedTexture.h" |
31 | #include "assembler.h" |
32 | #include "GBIDefs.h" |
33 | #include "m64p.h" |
34 | #include "OpenGL.h" |
35 | #include "Memory.h" |
36 | |
37 | #ifndef GL_EXT_packed_pixels |
38 | #define GL_EXT_packed_pixels 1 |
39 | #define GL_UNSIGNED_BYTE_3_3_2_EXT 0x8032 |
40 | #define GL_UNSIGNED_SHORT_4_4_4_4_EXT 0x8033 |
41 | #define GL_UNSIGNED_SHORT_5_5_5_1_EXT 0x8034 |
42 | #define GL_UNSIGNED_INT_8_8_8_8_EXT 0x8035 |
43 | #define GL_UNSIGNED_INT_10_10_10_2_EXT 0x8036 |
44 | #endif /* GL_EXT_packed_pixels */ |
45 | |
46 | unsigned long long* TMEM = Memory::getTextureMemory(); |
47 | |
48 | |
49 | inline unsigned int GetNone( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
50 | { |
51 | return 0x00000000; |
52 | } |
53 | |
54 | inline unsigned int GetCI4IA_RGBA4444( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
55 | { |
56 | unsigned char color4B; |
57 | |
58 | color4B = ((unsigned char*)src)[(x>>1)^(i<<1)]; |
59 | |
60 | if (x & 1) |
61 | return IA88_RGBA4444( *(unsigned short*)&TMEM[256 + (palette << 4) + (color4B & 0x0F)] ); |
62 | else |
63 | return IA88_RGBA4444( *(unsigned short*)&TMEM[256 + (palette << 4) + (color4B >> 4)] ); |
64 | } |
65 | |
66 | inline unsigned int GetCI4IA_RGBA8888( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
67 | { |
68 | unsigned char color4B; |
69 | |
70 | color4B = ((unsigned char*)src)[(x>>1)^(i<<1)]; |
71 | |
72 | if (x & 1) |
73 | return IA88_RGBA8888( *(unsigned short*)&TMEM[256 + (palette << 4) + (color4B & 0x0F)] ); |
74 | else |
75 | return IA88_RGBA8888( *(unsigned short*)&TMEM[256 + (palette << 4) + (color4B >> 4)] ); |
76 | } |
77 | |
78 | inline unsigned int GetCI4RGBA_RGBA5551( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
79 | { |
80 | unsigned char color4B; |
81 | |
82 | color4B = ((unsigned char*)src)[(x>>1)^(i<<1)]; |
83 | |
84 | if (x & 1) |
85 | return RGBA5551_RGBA5551( *(unsigned short*)&TMEM[256 + (palette << 4) + (color4B & 0x0F)] ); |
86 | else |
87 | return RGBA5551_RGBA5551( *(unsigned short*)&TMEM[256 + (palette << 4) + (color4B >> 4)] ); |
88 | } |
89 | |
90 | inline unsigned int GetCI4RGBA_RGBA8888( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
91 | { |
92 | unsigned char color4B; |
93 | |
94 | color4B = ((unsigned char*)src)[(x>>1)^(i<<1)]; |
95 | |
96 | if (x & 1) |
97 | return RGBA5551_RGBA8888( *(unsigned short*)&TMEM[256 + (palette << 4) + (color4B & 0x0F)] ); |
98 | else |
99 | return RGBA5551_RGBA8888( *(unsigned short*)&TMEM[256 + (palette << 4) + (color4B >> 4)] ); |
100 | } |
101 | |
102 | inline unsigned int GetIA31_RGBA8888( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
103 | { |
104 | unsigned char color4B; |
105 | |
106 | color4B = ((unsigned char*)src)[(x>>1)^(i<<1)]; |
107 | |
108 | return IA31_RGBA8888( (x & 1) ? (color4B & 0x0F) : (color4B >> 4) ); |
109 | } |
110 | |
111 | inline unsigned int GetIA31_RGBA4444( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
112 | { |
113 | unsigned char color4B; |
114 | |
115 | color4B = ((unsigned char*)src)[(x>>1)^(i<<1)]; |
116 | |
117 | return IA31_RGBA4444( (x & 1) ? (color4B & 0x0F) : (color4B >> 4) ); |
118 | } |
119 | |
120 | inline unsigned int GetI4_RGBA8888( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
121 | { |
122 | unsigned char color4B; |
123 | |
124 | color4B = ((unsigned char*)src)[(x>>1)^(i<<1)]; |
125 | |
126 | return I4_RGBA8888( (x & 1) ? (color4B & 0x0F) : (color4B >> 4) ); |
127 | } |
128 | |
129 | inline unsigned int GetI4_RGBA4444( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
130 | { |
131 | unsigned char color4B; |
132 | |
133 | color4B = ((unsigned char*)src)[(x>>1)^(i<<1)]; |
134 | |
135 | return I4_RGBA4444( (x & 1) ? (color4B & 0x0F) : (color4B >> 4) ); |
136 | } |
137 | |
138 | inline unsigned int GetCI8IA_RGBA4444( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
139 | { |
140 | return IA88_RGBA4444( *(unsigned short*)&TMEM[256 + ((unsigned char*)src)[x^(i<<1)]] ); |
141 | } |
142 | |
143 | inline unsigned int GetCI8IA_RGBA8888( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
144 | { |
145 | return IA88_RGBA8888( *(unsigned short*)&TMEM[256 + ((unsigned char*)src)[x^(i<<1)]] ); |
146 | } |
147 | |
148 | inline unsigned int GetCI8RGBA_RGBA5551( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
149 | { |
150 | return RGBA5551_RGBA5551( *(unsigned short*)&TMEM[256 + ((unsigned char*)src)[x^(i<<1)]] ); |
151 | } |
152 | |
153 | inline unsigned int GetCI8RGBA_RGBA8888( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
154 | { |
155 | return RGBA5551_RGBA8888( *(unsigned short*)&TMEM[256 + ((unsigned char*)src)[x^(i<<1)]] ); |
156 | } |
157 | |
158 | inline unsigned int GetIA44_RGBA8888( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
159 | { |
160 | return IA44_RGBA8888(((unsigned char*)src)[x^(i<<1)]); |
161 | } |
162 | |
163 | inline unsigned int GetIA44_RGBA4444( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
164 | { |
165 | return IA44_RGBA4444(((unsigned char*)src)[x^(i<<1)]); |
166 | } |
167 | |
168 | inline unsigned int GetI8_RGBA8888( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
169 | { |
170 | return I8_RGBA8888(((unsigned char*)src)[x^(i<<1)]); |
171 | } |
172 | |
173 | inline unsigned int GetI8_RGBA4444( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
174 | { |
175 | return I8_RGBA4444(((unsigned char*)src)[x^(i<<1)]); |
176 | } |
177 | |
178 | inline unsigned int GetRGBA5551_RGBA8888( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
179 | { |
180 | return RGBA5551_RGBA8888( ((unsigned short*)src)[x^i] ); |
181 | } |
182 | |
183 | inline unsigned int GetRGBA5551_RGBA5551( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
184 | { |
185 | return RGBA5551_RGBA5551( ((unsigned short*)src)[x^i] ); |
186 | } |
187 | |
188 | inline unsigned int GetIA88_RGBA8888( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
189 | { |
190 | return IA88_RGBA8888(((unsigned short*)src)[x^i]); |
191 | } |
192 | |
193 | inline unsigned int GetIA88_RGBA4444( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
194 | { |
195 | return IA88_RGBA4444(((unsigned short*)src)[x^i]); |
196 | } |
197 | |
198 | inline unsigned int GetRGBA8888_RGBA8888( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
199 | { |
200 | return ((unsigned int*)src)[x^i]; |
201 | } |
202 | |
203 | inline unsigned int GetRGBA8888_RGBA4444( unsigned long long *src, unsigned short x, unsigned short i, unsigned char palette ) |
204 | { |
205 | return RGBA8888_RGBA4444(((unsigned int*)src)[x^i]); |
206 | } |
207 | |
208 | /* |
209 | const struct |
210 | { |
211 | GetTexelFunc Get16; |
212 | unsigned int glType16; |
213 | int glInternalFormat16; |
214 | GetTexelFunc Get32; |
215 | unsigned int glType32; |
216 | int glInternalFormat32; |
217 | unsigned int autoFormat, lineShift, maxTexels; |
218 | } |
219 | */ |
220 | ImageFormat ImageFormatSelector::imageFormats[4][5] = |
221 | { // Get16 glType16 glInternalFormat16 Get32 glType32 glInternalFormat32 autoFormat |
222 | { // 4-bit |
223 | { GetCI4RGBA_RGBA5551, GL_UNSIGNED_SHORT_5_5_5_1_EXT, GL_RGB5_A1, GetCI4RGBA_RGBA8888, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGB5_A1, 4, 4096 }, // CI (Banjo-Kazooie uses this, doesn't make sense, but it works...) |
224 | { GetNone, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetNone, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 4, 8192 }, // YUV |
225 | { GetCI4RGBA_RGBA5551, GL_UNSIGNED_SHORT_5_5_5_1_EXT, GL_RGB5_A1, GetCI4RGBA_RGBA8888, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGB5_A1, 4, 4096 }, // CI |
226 | { GetIA31_RGBA4444, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetIA31_RGBA8888, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 4, 8192 }, // IA |
227 | { GetI4_RGBA4444, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetI4_RGBA8888, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 4, 8192 }, // I |
228 | }, |
229 | { // 8-bit |
230 | { GetCI8RGBA_RGBA5551, GL_UNSIGNED_SHORT_5_5_5_1_EXT, GL_RGB5_A1, GetCI8RGBA_RGBA8888, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGB5_A1, 3, 2048 }, // RGBA |
231 | { GetNone, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetNone, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 0, 4096 }, // YUV |
232 | { GetCI8RGBA_RGBA5551, GL_UNSIGNED_SHORT_5_5_5_1_EXT, GL_RGB5_A1, GetCI8RGBA_RGBA8888, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGB5_A1, 3, 2048 }, // CI |
233 | { GetIA44_RGBA4444, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetIA44_RGBA8888, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 3, 4096 }, // IA |
234 | { GetI8_RGBA4444, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetI8_RGBA8888, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA8, 3, 4096 }, // I |
235 | }, |
236 | { // 16-bit |
237 | { GetRGBA5551_RGBA5551, GL_UNSIGNED_SHORT_5_5_5_1_EXT, GL_RGB5_A1, GetRGBA5551_RGBA8888, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGB5_A1, 2, 2048 }, // RGBA |
238 | { GetNone, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetNone, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 2, 2048 }, // YUV |
239 | { GetNone, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetNone, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 0, 2048 }, // CI |
240 | { GetIA88_RGBA4444, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetIA88_RGBA8888, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA8, 2, 2048 }, // IA |
241 | { GetNone, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetNone, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 0, 2048 }, // I |
242 | }, |
243 | { // 32-bit |
244 | { GetRGBA8888_RGBA4444, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetRGBA8888_RGBA8888, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA8, 2, 1024 }, // RGBA |
245 | { GetNone, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetNone, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 0, 1024 }, // YUV |
246 | { GetNone, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetNone, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 0, 1024 }, // CI |
247 | { GetNone, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetNone, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 0, 1024 }, // IA |
248 | { GetNone, GL_UNSIGNED_SHORT_4_4_4_4_EXT, GL_RGBA4, GetNone, GL_UNSIGNED_BYTE, GL_RGBA8, GL_RGBA4, 0, 1024 }, // I |
249 | } |
250 | }; |
251 | |
252 | //----------------------------------------------------------------------------- |
253 | //! Constructor |
254 | //----------------------------------------------------------------------------- |
255 | ImageFormatSelector::ImageFormatSelector() |
256 | { |
257 | } |
258 | |
259 | //----------------------------------------------------------------------------- |
260 | //! Destructor |
261 | //----------------------------------------------------------------------------- |
262 | ImageFormatSelector::~ImageFormatSelector() |
263 | { |
264 | |
265 | } |
266 | |
267 | //----------------------------------------------------------------------------- |
268 | // Detect Image Format |
269 | //----------------------------------------------------------------------------- |
270 | void ImageFormatSelector::detectImageFormat(CachedTexture* texture, unsigned int textureBitDepth, GetTexelFunc& getTexelFunc, unsigned int& internalFormat, int& imageType, unsigned int textureLUT) |
271 | { |
272 | if (((imageFormats[texture->size][texture->format].autoFormat == GL_RGBA8) || |
273 | ((texture->format == G_IM_FMT_CI) && (textureLUT == G_TT_IA16)) || |
274 | (textureBitDepth == 2)) && (textureBitDepth != 0)) |
275 | { |
276 | texture->m_textureSize = (texture->realWidth * texture->realHeight) << 2; |
277 | if ((texture->format == G_IM_FMT_CI) && (textureLUT == G_TT_IA16)) |
278 | { |
279 | if (texture->size == G_IM_SIZ_4b) |
280 | getTexelFunc = GetCI4IA_RGBA8888; |
281 | else |
282 | getTexelFunc = GetCI8IA_RGBA8888; |
283 | |
284 | internalFormat = GL_RGBA8; |
285 | imageType = GL_UNSIGNED_BYTE; |
286 | } |
287 | else |
288 | { |
289 | getTexelFunc = imageFormats[texture->size][texture->format].Get32; |
290 | internalFormat = imageFormats[texture->size][texture->format].glInternalFormat32; |
291 | imageType = imageFormats[texture->size][texture->format].glType32; |
292 | } |
293 | } |
294 | else |
295 | { |
296 | texture->m_textureSize = (texture->realWidth * texture->realHeight) << 1; |
297 | if ((texture->format == G_IM_FMT_CI) && (textureLUT == G_TT_IA16)) |
298 | { |
299 | if (texture->size == G_IM_SIZ_4b) |
300 | getTexelFunc = GetCI4IA_RGBA4444; |
301 | else |
302 | getTexelFunc = GetCI8IA_RGBA4444; |
303 | |
304 | internalFormat = GL_RGBA4; |
305 | imageType = GL_UNSIGNED_SHORT_4_4_4_4_EXT; |
306 | } |
307 | else |
308 | { |
309 | getTexelFunc = imageFormats[texture->size][texture->format].Get16; |
310 | internalFormat = imageFormats[texture->size][texture->format].glInternalFormat16; |
311 | imageType = imageFormats[texture->size][texture->format].glType16; |
312 | } |
313 | } |
314 | } |