| 1 | /* |
| 2 | * Copyright (C) 2011 Gilead Kutnick "Exophase" <exophase@gmail.com> |
| 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 as |
| 6 | * published by the Free Software Foundation; either version 2 of |
| 7 | * 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 GNU |
| 12 | * General Public License for more details. |
| 13 | */ |
| 14 | |
| 15 | #include <stdio.h> |
| 16 | |
| 17 | #include "common.h" |
| 18 | |
| 19 | const u8 command_lengths[256] = |
| 20 | { |
| 21 | 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 00 |
| 22 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 10 |
| 23 | 3, 3, 3, 3, 6, 6, 6, 6, 4, 4, 4, 4, 8, 8, 8, 8, // 20 |
| 24 | 5, 5, 5, 5, 8, 8, 8, 8, 7, 7, 7, 7, 11, 11, 11, 11, // 30 |
| 25 | 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, // 40 |
| 26 | 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, // 50 |
| 27 | 2, 2, 2, 2, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, // 60 |
| 28 | 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, // 70 |
| 29 | 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 80 |
| 30 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 90 |
| 31 | 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // a0 |
| 32 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // b0 |
| 33 | 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // c0 |
| 34 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // d0 |
| 35 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // e0 |
| 36 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 // f0 |
| 37 | }; |
| 38 | |
| 39 | void update_texture_ptr(psx_gpu_struct *psx_gpu) |
| 40 | { |
| 41 | u8 *texture_base; |
| 42 | u8 *texture_ptr; |
| 43 | |
| 44 | switch((psx_gpu->render_state_base >> 8) & 0x3) |
| 45 | { |
| 46 | default: |
| 47 | case TEXTURE_MODE_4BPP: |
| 48 | texture_base = psx_gpu->texture_4bpp_cache[psx_gpu->current_texture_page]; |
| 49 | |
| 50 | texture_ptr = texture_base; |
| 51 | texture_ptr += psx_gpu->texture_window_x & 0xF; |
| 52 | texture_ptr += (psx_gpu->texture_window_y & 0xF) << 4; |
| 53 | texture_ptr += (psx_gpu->texture_window_x >> 4) << 8; |
| 54 | texture_ptr += (psx_gpu->texture_window_y >> 4) << 12; |
| 55 | break; |
| 56 | |
| 57 | case TEXTURE_MODE_8BPP: |
| 58 | if(psx_gpu->current_texture_page & 0x1) |
| 59 | { |
| 60 | texture_base = |
| 61 | psx_gpu->texture_8bpp_odd_cache[psx_gpu->current_texture_page >> 1]; |
| 62 | } |
| 63 | else |
| 64 | { |
| 65 | texture_base = |
| 66 | psx_gpu->texture_8bpp_even_cache[psx_gpu->current_texture_page >> 1]; |
| 67 | } |
| 68 | |
| 69 | texture_ptr = texture_base; |
| 70 | texture_ptr += psx_gpu->texture_window_x & 0xF; |
| 71 | texture_ptr += (psx_gpu->texture_window_y & 0xF) << 4; |
| 72 | texture_ptr += (psx_gpu->texture_window_x >> 4) << 8; |
| 73 | texture_ptr += (psx_gpu->texture_window_y >> 4) << 12; |
| 74 | break; |
| 75 | |
| 76 | case TEXTURE_MODE_16BPP: |
| 77 | texture_base = (u8 *)(psx_gpu->vram_ptr); |
| 78 | texture_base += (psx_gpu->current_texture_page & 0xF) * 128; |
| 79 | texture_base += ((psx_gpu->current_texture_page >> 4) * 256) * 2048; |
| 80 | |
| 81 | texture_ptr = texture_base; |
| 82 | texture_ptr += psx_gpu->texture_window_x * 2; |
| 83 | texture_ptr += (psx_gpu->texture_window_y) * 2048; |
| 84 | break; |
| 85 | } |
| 86 | |
| 87 | psx_gpu->texture_page_base = texture_base; |
| 88 | psx_gpu->texture_page_ptr = texture_ptr; |
| 89 | } |
| 90 | |
| 91 | void set_texture(psx_gpu_struct *psx_gpu, u32 texture_settings) |
| 92 | { |
| 93 | if(psx_gpu->texture_settings != texture_settings) |
| 94 | { |
| 95 | u32 new_texture_page = texture_settings & 0x1F; |
| 96 | u32 texture_mode = (texture_settings >> 7) & 0x3; |
| 97 | u32 render_state_base = psx_gpu->render_state_base; |
| 98 | |
| 99 | flush_render_block_buffer(psx_gpu); |
| 100 | |
| 101 | render_state_base &= ~(0xF << 6); |
| 102 | render_state_base |= ((texture_settings >> 5) & 0xF) << 6; |
| 103 | |
| 104 | psx_gpu->render_state_base = render_state_base; |
| 105 | |
| 106 | psx_gpu->current_texture_mask = 0x1 << new_texture_page; |
| 107 | |
| 108 | if(texture_mode == TEXTURE_MODE_8BPP) |
| 109 | { |
| 110 | // In 8bpp mode 256x256 takes up two pages. If it's on the right edge it |
| 111 | // wraps back around to the left edge. |
| 112 | u32 adjacent_texture_page = ((texture_settings + 1) & 0xF) | (texture_settings & 0x10); |
| 113 | psx_gpu->current_texture_mask |= 0x1 << adjacent_texture_page; |
| 114 | |
| 115 | if((psx_gpu->last_8bpp_texture_page ^ new_texture_page) & 0x1) |
| 116 | { |
| 117 | u32 dirty_textures_8bpp_alternate_mask = |
| 118 | psx_gpu->dirty_textures_8bpp_alternate_mask; |
| 119 | psx_gpu->dirty_textures_8bpp_alternate_mask = |
| 120 | psx_gpu->dirty_textures_8bpp_mask; |
| 121 | psx_gpu->dirty_textures_8bpp_mask = dirty_textures_8bpp_alternate_mask; |
| 122 | } |
| 123 | |
| 124 | psx_gpu->last_8bpp_texture_page = new_texture_page; |
| 125 | } |
| 126 | |
| 127 | psx_gpu->current_texture_page = new_texture_page; |
| 128 | psx_gpu->texture_settings = texture_settings; |
| 129 | |
| 130 | update_texture_ptr(psx_gpu); |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | void set_clut(psx_gpu_struct *psx_gpu, u32 clut_settings) |
| 135 | { |
| 136 | if(psx_gpu->clut_settings != clut_settings) |
| 137 | { |
| 138 | flush_render_block_buffer(psx_gpu); |
| 139 | psx_gpu->clut_settings = clut_settings; |
| 140 | psx_gpu->clut_ptr = psx_gpu->vram_ptr + ((clut_settings & 0x7FFF) * 16); |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | void set_triangle_color(psx_gpu_struct *psx_gpu, u32 triangle_color) |
| 145 | { |
| 146 | if(psx_gpu->triangle_color != triangle_color) |
| 147 | { |
| 148 | flush_render_block_buffer(psx_gpu); |
| 149 | psx_gpu->triangle_color = triangle_color; |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | #define sign_extend_12bit(value) \ |
| 154 | (((s32)((value) << 20)) >> 20) \ |
| 155 | |
| 156 | #define get_vertex_data_xy(vertex_number, offset16) \ |
| 157 | vertexes[vertex_number].x = \ |
| 158 | sign_extend_12bit(list_s16[offset16]) + psx_gpu->offset_x; \ |
| 159 | vertexes[vertex_number].y = \ |
| 160 | sign_extend_12bit(list_s16[(offset16) + 1]) + psx_gpu->offset_y; \ |
| 161 | |
| 162 | #define get_vertex_data_uv(vertex_number, offset16) \ |
| 163 | vertexes[vertex_number].u = list_s16[offset16] & 0xFF; \ |
| 164 | vertexes[vertex_number].v = (list_s16[offset16] >> 8) & 0xFF \ |
| 165 | |
| 166 | #define get_vertex_data_rgb(vertex_number, offset32) \ |
| 167 | vertexes[vertex_number].r = list[offset32] & 0xFF; \ |
| 168 | vertexes[vertex_number].g = (list[offset32] >> 8) & 0xFF; \ |
| 169 | vertexes[vertex_number].b = (list[offset32] >> 16) & 0xFF \ |
| 170 | |
| 171 | #define get_vertex_data_xy_uv(vertex_number, offset16) \ |
| 172 | get_vertex_data_xy(vertex_number, offset16); \ |
| 173 | get_vertex_data_uv(vertex_number, (offset16) + 2) \ |
| 174 | |
| 175 | #define get_vertex_data_xy_rgb(vertex_number, offset16) \ |
| 176 | get_vertex_data_rgb(vertex_number, (offset16) / 2); \ |
| 177 | get_vertex_data_xy(vertex_number, (offset16) + 2); \ |
| 178 | |
| 179 | #define get_vertex_data_xy_uv_rgb(vertex_number, offset16) \ |
| 180 | get_vertex_data_rgb(vertex_number, (offset16) / 2); \ |
| 181 | get_vertex_data_xy(vertex_number, (offset16) + 2); \ |
| 182 | get_vertex_data_uv(vertex_number, (offset16) + 4); \ |
| 183 | |
| 184 | #define set_vertex_color_constant(vertex_number, color) \ |
| 185 | vertexes[vertex_number].r = color & 0xFF; \ |
| 186 | vertexes[vertex_number].g = (color >> 8) & 0xFF; \ |
| 187 | vertexes[vertex_number].b = (color >> 16) & 0xFF \ |
| 188 | |
| 189 | #define get_vertex_data_xy_rgb_constant(vertex_number, offset16, color) \ |
| 190 | get_vertex_data_xy(vertex_number, offset16); \ |
| 191 | set_vertex_color_constant(vertex_number, color) \ |
| 192 | |
| 193 | vertex_struct vertexes[4] __attribute__((aligned(32))); |
| 194 | |
| 195 | void gpu_parse(psx_gpu_struct *psx_gpu, u32 *list, u32 size) |
| 196 | { |
| 197 | u32 current_command, command_length; |
| 198 | |
| 199 | u32 *list_end = list + (size / 4); |
| 200 | |
| 201 | for(; list < list_end; list += 1 + command_length) |
| 202 | { |
| 203 | s16 *list_s16 = (void *)list; |
| 204 | current_command = *list >> 24; |
| 205 | command_length = command_lengths[current_command]; |
| 206 | |
| 207 | switch(current_command) |
| 208 | { |
| 209 | case 0x00: |
| 210 | break; |
| 211 | |
| 212 | case 0x02: |
| 213 | render_block_fill(psx_gpu, list[0] & 0xFFFFFF, list_s16[2], list_s16[3], |
| 214 | list_s16[4] & 0x3FF, list_s16[5] & 0x3FF); |
| 215 | break; |
| 216 | |
| 217 | case 0x20 ... 0x23: |
| 218 | { |
| 219 | set_triangle_color(psx_gpu, list[0] & 0xFFFFFF); |
| 220 | |
| 221 | get_vertex_data_xy(0, 2); |
| 222 | get_vertex_data_xy(1, 4); |
| 223 | get_vertex_data_xy(2, 6); |
| 224 | |
| 225 | render_triangle(psx_gpu, vertexes, current_command); |
| 226 | break; |
| 227 | } |
| 228 | |
| 229 | case 0x24 ... 0x27: |
| 230 | { |
| 231 | set_clut(psx_gpu, list_s16[5]); |
| 232 | set_texture(psx_gpu, list_s16[9]); |
| 233 | set_triangle_color(psx_gpu, list[0] & 0xFFFFFF); |
| 234 | |
| 235 | get_vertex_data_xy_uv(0, 2); |
| 236 | get_vertex_data_xy_uv(1, 6); |
| 237 | get_vertex_data_xy_uv(2, 10); |
| 238 | |
| 239 | render_triangle(psx_gpu, vertexes, current_command); |
| 240 | break; |
| 241 | } |
| 242 | |
| 243 | case 0x28 ... 0x2B: |
| 244 | { |
| 245 | set_triangle_color(psx_gpu, list[0] & 0xFFFFFF); |
| 246 | |
| 247 | get_vertex_data_xy(0, 2); |
| 248 | get_vertex_data_xy(1, 4); |
| 249 | get_vertex_data_xy(2, 6); |
| 250 | get_vertex_data_xy(3, 8); |
| 251 | |
| 252 | render_triangle(psx_gpu, vertexes, current_command); |
| 253 | render_triangle(psx_gpu, &(vertexes[1]), current_command); |
| 254 | break; |
| 255 | } |
| 256 | |
| 257 | case 0x2C ... 0x2F: |
| 258 | { |
| 259 | set_clut(psx_gpu, list_s16[5]); |
| 260 | set_texture(psx_gpu, list_s16[9]); |
| 261 | set_triangle_color(psx_gpu, list[0] & 0xFFFFFF); |
| 262 | |
| 263 | get_vertex_data_xy_uv(0, 2); |
| 264 | get_vertex_data_xy_uv(1, 6); |
| 265 | get_vertex_data_xy_uv(2, 10); |
| 266 | get_vertex_data_xy_uv(3, 14); |
| 267 | |
| 268 | render_triangle(psx_gpu, vertexes, current_command); |
| 269 | render_triangle(psx_gpu, &(vertexes[1]), current_command); |
| 270 | break; |
| 271 | } |
| 272 | |
| 273 | case 0x30 ... 0x33: |
| 274 | { |
| 275 | get_vertex_data_xy_rgb(0, 0); |
| 276 | get_vertex_data_xy_rgb(1, 4); |
| 277 | get_vertex_data_xy_rgb(2, 8); |
| 278 | |
| 279 | render_triangle(psx_gpu, vertexes, current_command); |
| 280 | break; |
| 281 | } |
| 282 | |
| 283 | case 0x34: |
| 284 | case 0x35: |
| 285 | case 0x36: |
| 286 | case 0x37: |
| 287 | { |
| 288 | set_clut(psx_gpu, list_s16[5]); |
| 289 | set_texture(psx_gpu, list_s16[11]); |
| 290 | |
| 291 | get_vertex_data_xy_uv_rgb(0, 0); |
| 292 | get_vertex_data_xy_uv_rgb(1, 6); |
| 293 | get_vertex_data_xy_uv_rgb(2, 12); |
| 294 | |
| 295 | render_triangle(psx_gpu, vertexes, current_command); |
| 296 | break; |
| 297 | } |
| 298 | |
| 299 | case 0x38: |
| 300 | case 0x39: |
| 301 | case 0x3A: |
| 302 | case 0x3B: |
| 303 | { |
| 304 | get_vertex_data_xy_rgb(0, 0); |
| 305 | get_vertex_data_xy_rgb(1, 4); |
| 306 | get_vertex_data_xy_rgb(2, 8); |
| 307 | get_vertex_data_xy_rgb(3, 12); |
| 308 | |
| 309 | render_triangle(psx_gpu, vertexes, current_command); |
| 310 | render_triangle(psx_gpu, &(vertexes[1]), current_command); |
| 311 | break; |
| 312 | } |
| 313 | |
| 314 | case 0x3C: |
| 315 | case 0x3D: |
| 316 | case 0x3E: |
| 317 | case 0x3F: |
| 318 | { |
| 319 | set_clut(psx_gpu, list_s16[5]); |
| 320 | set_texture(psx_gpu, list_s16[11]); |
| 321 | |
| 322 | get_vertex_data_xy_uv_rgb(0, 0); |
| 323 | get_vertex_data_xy_uv_rgb(1, 6); |
| 324 | get_vertex_data_xy_uv_rgb(2, 12); |
| 325 | get_vertex_data_xy_uv_rgb(3, 18); |
| 326 | |
| 327 | render_triangle(psx_gpu, vertexes, current_command); |
| 328 | render_triangle(psx_gpu, &(vertexes[1]), current_command); |
| 329 | break; |
| 330 | } |
| 331 | |
| 332 | case 0x40 ... 0x47: |
| 333 | { |
| 334 | vertexes[0].x = list_s16[2] + psx_gpu->offset_x; |
| 335 | vertexes[0].y = list_s16[3] + psx_gpu->offset_y; |
| 336 | vertexes[1].x = list_s16[4] + psx_gpu->offset_x; |
| 337 | vertexes[1].y = list_s16[5] + psx_gpu->offset_y; |
| 338 | |
| 339 | render_line(psx_gpu, vertexes, current_command, list[0]); |
| 340 | break; |
| 341 | } |
| 342 | |
| 343 | case 0x48 ... 0x4F: |
| 344 | { |
| 345 | u32 num_vertexes = 1; |
| 346 | u32 *list_position = &(list[2]); |
| 347 | u32 xy = list[1]; |
| 348 | |
| 349 | vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x; |
| 350 | vertexes[1].y = (xy >> 16) + psx_gpu->offset_y; |
| 351 | |
| 352 | while(1) |
| 353 | { |
| 354 | xy = *list_position; |
| 355 | if(xy == 0x55555555) |
| 356 | break; |
| 357 | |
| 358 | vertexes[0] = vertexes[1]; |
| 359 | |
| 360 | vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x; |
| 361 | vertexes[1].y = (xy >> 16) + psx_gpu->offset_y; |
| 362 | |
| 363 | list_position++; |
| 364 | num_vertexes++; |
| 365 | |
| 366 | render_line(psx_gpu, vertexes, current_command, list[0]); |
| 367 | } |
| 368 | |
| 369 | if(num_vertexes > 2) |
| 370 | command_length += (num_vertexes - 2); |
| 371 | |
| 372 | break; |
| 373 | } |
| 374 | |
| 375 | case 0x50 ... 0x57: |
| 376 | { |
| 377 | vertexes[0].r = list[0] & 0xFF; |
| 378 | vertexes[0].g = (list[0] >> 8) & 0xFF; |
| 379 | vertexes[0].b = (list[0] >> 16) & 0xFF; |
| 380 | vertexes[0].x = list_s16[2] + psx_gpu->offset_x; |
| 381 | vertexes[0].y = list_s16[3] + psx_gpu->offset_y; |
| 382 | |
| 383 | vertexes[1].r = list[2] & 0xFF; |
| 384 | vertexes[1].g = (list[2] >> 8) & 0xFF; |
| 385 | vertexes[1].b = (list[2] >> 16) & 0xFF; |
| 386 | vertexes[1].x = list_s16[6] + psx_gpu->offset_x; |
| 387 | vertexes[1].y = list_s16[7] + psx_gpu->offset_y; |
| 388 | |
| 389 | render_line(psx_gpu, vertexes, current_command, 0); |
| 390 | break; |
| 391 | } |
| 392 | |
| 393 | case 0x58 ... 0x5F: |
| 394 | { |
| 395 | u32 num_vertexes = 1; |
| 396 | u32 *list_position = &(list[2]); |
| 397 | u32 color = list[0]; |
| 398 | u32 xy = list[1]; |
| 399 | |
| 400 | vertexes[1].r = color & 0xFF; |
| 401 | vertexes[1].g = (color >> 8) & 0xFF; |
| 402 | vertexes[1].b = (color >> 16) & 0xFF; |
| 403 | vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x; |
| 404 | vertexes[1].y = (xy >> 16) + psx_gpu->offset_y; |
| 405 | |
| 406 | while(1) |
| 407 | { |
| 408 | color = list_position[0]; |
| 409 | if(color == 0x55555555) |
| 410 | break; |
| 411 | |
| 412 | xy = list_position[1]; |
| 413 | |
| 414 | vertexes[0] = vertexes[1]; |
| 415 | |
| 416 | vertexes[1].r = color & 0xFF; |
| 417 | vertexes[1].g = (color >> 8) & 0xFF; |
| 418 | vertexes[1].b = (color >> 16) & 0xFF; |
| 419 | vertexes[1].x = (xy & 0xFFFF) + psx_gpu->offset_x; |
| 420 | vertexes[1].y = (xy >> 16) + psx_gpu->offset_y; |
| 421 | |
| 422 | list_position += 2; |
| 423 | num_vertexes++; |
| 424 | |
| 425 | render_line(psx_gpu, vertexes, current_command, 0); |
| 426 | } |
| 427 | |
| 428 | if(num_vertexes > 2) |
| 429 | command_length += ((num_vertexes * 2) - 2); |
| 430 | |
| 431 | break; |
| 432 | } |
| 433 | |
| 434 | case 0x60 ... 0x63: |
| 435 | { |
| 436 | u32 x = list_s16[2] + psx_gpu->offset_x; |
| 437 | u32 y = list_s16[3] + psx_gpu->offset_y; |
| 438 | u32 width = list_s16[4] & 0x3FF; |
| 439 | u32 height = list_s16[5] & 0x1FF; |
| 440 | |
| 441 | render_sprite(psx_gpu, x, y, 0, 0, width, height, current_command, list[0]); |
| 442 | break; |
| 443 | } |
| 444 | |
| 445 | case 0x64 ... 0x67: |
| 446 | { |
| 447 | u32 x = list_s16[2] + psx_gpu->offset_x; |
| 448 | u32 y = list_s16[3] + psx_gpu->offset_y; |
| 449 | u32 uv = list_s16[4]; |
| 450 | u32 width = list_s16[6] & 0x3FF; |
| 451 | u32 height = list_s16[7] & 0x1FF; |
| 452 | |
| 453 | set_clut(psx_gpu, list_s16[5]); |
| 454 | |
| 455 | render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, width, height, |
| 456 | current_command, list[0]); |
| 457 | break; |
| 458 | } |
| 459 | |
| 460 | case 0x68: |
| 461 | case 0x69: |
| 462 | case 0x6A: |
| 463 | case 0x6B: |
| 464 | { |
| 465 | s32 x = list_s16[2] + psx_gpu->offset_x; |
| 466 | s32 y = list_s16[3] + psx_gpu->offset_y; |
| 467 | |
| 468 | render_sprite(psx_gpu, x, y, 0, 0, 1, 1, current_command, list[0]); |
| 469 | break; |
| 470 | } |
| 471 | |
| 472 | case 0x70: |
| 473 | case 0x71: |
| 474 | case 0x72: |
| 475 | case 0x73: |
| 476 | { |
| 477 | s32 x = list_s16[2] + psx_gpu->offset_x; |
| 478 | s32 y = list_s16[3] + psx_gpu->offset_y; |
| 479 | |
| 480 | render_sprite(psx_gpu, x, y, 0, 0, 8, 8, current_command, list[0]); |
| 481 | break; |
| 482 | } |
| 483 | |
| 484 | case 0x74: |
| 485 | case 0x75: |
| 486 | case 0x76: |
| 487 | case 0x77: |
| 488 | { |
| 489 | s32 x = list_s16[2] + psx_gpu->offset_x; |
| 490 | s32 y = list_s16[3] + psx_gpu->offset_y; |
| 491 | u32 uv = list_s16[4]; |
| 492 | |
| 493 | set_clut(psx_gpu, list_s16[5]); |
| 494 | |
| 495 | render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, 8, 8, |
| 496 | current_command, list[0]); |
| 497 | break; |
| 498 | } |
| 499 | |
| 500 | case 0x78: |
| 501 | case 0x79: |
| 502 | case 0x7A: |
| 503 | case 0x7B: |
| 504 | { |
| 505 | s32 x = list_s16[2] + psx_gpu->offset_x; |
| 506 | s32 y = list_s16[3] + psx_gpu->offset_y; |
| 507 | |
| 508 | render_sprite(psx_gpu, x, y, 0, 0, 16, 16, current_command, list[0]); |
| 509 | break; |
| 510 | } |
| 511 | |
| 512 | case 0x7C: |
| 513 | case 0x7D: |
| 514 | case 0x7E: |
| 515 | case 0x7F: |
| 516 | { |
| 517 | s32 x = list_s16[2] + psx_gpu->offset_x; |
| 518 | s32 y = list_s16[3] + psx_gpu->offset_y; |
| 519 | u32 uv = list_s16[4]; |
| 520 | |
| 521 | set_clut(psx_gpu, list_s16[5]); |
| 522 | |
| 523 | render_sprite(psx_gpu, x, y, uv & 0xFF, (uv >> 8) & 0xFF, 16, 16, |
| 524 | current_command, list[0]); |
| 525 | break; |
| 526 | } |
| 527 | |
| 528 | case 0x80: // vid -> vid |
| 529 | render_block_move(psx_gpu, list_s16[2] & 0x3FF, list_s16[3] & 0x1FF, |
| 530 | list_s16[4] & 0x3FF, list_s16[5] & 0x1FF, list_s16[6], list_s16[7]); |
| 531 | break; |
| 532 | |
| 533 | case 0xA0: // sys -> vid |
| 534 | { |
| 535 | u32 load_x = list_s16[2]; |
| 536 | u32 load_y = list_s16[3]; |
| 537 | u32 load_width = list_s16[4]; |
| 538 | u32 load_height = list_s16[5]; |
| 539 | u32 load_size = load_width * load_height; |
| 540 | |
| 541 | command_length += load_size / 2; |
| 542 | |
| 543 | render_block_copy(psx_gpu, (u16 *)&(list_s16[6]), load_x, load_y, |
| 544 | load_width, load_height, load_width); |
| 545 | break; |
| 546 | } |
| 547 | |
| 548 | case 0xC0: // vid -> sys |
| 549 | break; |
| 550 | |
| 551 | case 0xE1: |
| 552 | set_texture(psx_gpu, list[0] & 0x1FF); |
| 553 | if(list[0] & (1 << 9)) |
| 554 | psx_gpu->render_state_base |= RENDER_STATE_DITHER; |
| 555 | else |
| 556 | psx_gpu->render_state_base &= ~RENDER_STATE_DITHER; |
| 557 | |
| 558 | psx_gpu->display_area_draw_enable = (list[0] >> 10) & 0x1; |
| 559 | break; |
| 560 | |
| 561 | case 0xE2: |
| 562 | { |
| 563 | // TODO: Clean |
| 564 | u32 texture_window_settings = list[0]; |
| 565 | u32 tmp, x, y, w, h; |
| 566 | |
| 567 | if(texture_window_settings != psx_gpu->texture_window_settings) |
| 568 | { |
| 569 | tmp = (texture_window_settings & 0x1F) | 0x20; |
| 570 | for(w = 8; (tmp & 1) == 0; tmp >>= 1, w <<= 1); |
| 571 | |
| 572 | tmp = ((texture_window_settings >> 5) & 0x1f) | 0x20; |
| 573 | for (h = 8; (tmp & 1) == 0; tmp >>= 1, h <<= 1); |
| 574 | |
| 575 | tmp = 32 - (w >> 3); |
| 576 | x = ((texture_window_settings >> 10) & tmp) << 3; |
| 577 | |
| 578 | tmp = 32 - (h >> 3); |
| 579 | y = ((texture_window_settings >> 15) & tmp) << 3; |
| 580 | |
| 581 | flush_render_block_buffer(psx_gpu); |
| 582 | |
| 583 | psx_gpu->texture_window_settings = texture_window_settings; |
| 584 | psx_gpu->texture_window_x = x; |
| 585 | psx_gpu->texture_window_y = y; |
| 586 | psx_gpu->texture_mask_width = w - 1; |
| 587 | psx_gpu->texture_mask_height = h - 1; |
| 588 | |
| 589 | update_texture_ptr(psx_gpu); |
| 590 | } |
| 591 | break; |
| 592 | } |
| 593 | |
| 594 | case 0xE3: |
| 595 | psx_gpu->viewport_start_x = list[0] & 0x3FF; |
| 596 | psx_gpu->viewport_start_y = (list[0] >> 10) & 0x1FF; |
| 597 | |
| 598 | #ifdef TEXTURE_CACHE_4BPP |
| 599 | psx_gpu->viewport_mask = |
| 600 | texture_region_mask(psx_gpu->viewport_start_x, |
| 601 | psx_gpu->viewport_start_y, psx_gpu->viewport_end_x, |
| 602 | psx_gpu->viewport_end_y); |
| 603 | #endif |
| 604 | break; |
| 605 | |
| 606 | case 0xE4: |
| 607 | psx_gpu->viewport_end_x = list[0] & 0x3FF; |
| 608 | psx_gpu->viewport_end_y = (list[0] >> 10) & 0x1FF; |
| 609 | |
| 610 | #ifdef TEXTURE_CACHE_4BPP |
| 611 | psx_gpu->viewport_mask = |
| 612 | texture_region_mask(psx_gpu->viewport_start_x, |
| 613 | psx_gpu->viewport_start_y, psx_gpu->viewport_end_x, |
| 614 | psx_gpu->viewport_end_y); |
| 615 | #endif |
| 616 | break; |
| 617 | |
| 618 | case 0xE5: |
| 619 | { |
| 620 | s32 offset_x = list[0] << 21; |
| 621 | s32 offset_y = list[0] << 10; |
| 622 | psx_gpu->offset_x = offset_x >> 21; |
| 623 | psx_gpu->offset_y = offset_y >> 21; |
| 624 | |
| 625 | break; |
| 626 | } |
| 627 | |
| 628 | case 0xE6: |
| 629 | { |
| 630 | u32 mask_settings = list[0]; |
| 631 | u16 mask_msb = mask_settings << 15; |
| 632 | |
| 633 | if(list[0] & 0x2) |
| 634 | psx_gpu->render_state_base |= RENDER_STATE_MASK_EVALUATE; |
| 635 | else |
| 636 | psx_gpu->render_state_base &= ~RENDER_STATE_MASK_EVALUATE; |
| 637 | |
| 638 | if(mask_msb != psx_gpu->mask_msb) |
| 639 | { |
| 640 | flush_render_block_buffer(psx_gpu); |
| 641 | psx_gpu->mask_msb = mask_msb; |
| 642 | } |
| 643 | |
| 644 | break; |
| 645 | } |
| 646 | |
| 647 | default: |
| 648 | break; |
| 649 | } |
| 650 | } |
| 651 | } |
| 652 | |