| 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 | } |