| | 1 | /* gameplaySP |
| | 2 | * |
| | 3 | * Copyright (C) 2006 Exophase <exophase@gmail.com> |
| | 4 | * |
| | 5 | * This program is free software; you can redistribute it and/or |
| | 6 | * modify it under the terms of the GNU General Public License as |
| | 7 | * published by the Free Software Foundation; either version 2 of |
| | 8 | * the License, or (at your option) any later version. |
| | 9 | * |
| | 10 | * This program is distributed in the hope that it will be useful, |
| | 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| | 13 | * General Public License for more details. |
| | 14 | * |
| | 15 | * You should have received a copy of the GNU General Public License |
| | 16 | * along with this program; if not, write to the Free Software |
| | 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| | 18 | */ |
| | 19 | |
| | 20 | #include "common.h" |
| | 21 | #define WANT_FONT_BITS |
| | 22 | #include "font.h" |
| | 23 | |
| | 24 | #ifdef PSP_BUILD |
| | 25 | |
| | 26 | #include <pspctrl.h> |
| | 27 | |
| | 28 | #include <pspkernel.h> |
| | 29 | #include <pspdebug.h> |
| | 30 | #include <pspdisplay.h> |
| | 31 | |
| | 32 | #include <pspgu.h> |
| | 33 | #include <psppower.h> |
| | 34 | #include <psprtc.h> |
| | 35 | |
| | 36 | static float *screen_vertex = (float *)0x441FC100; |
| | 37 | static u32 *ge_cmd = (u32 *)0x441FC000; |
| | 38 | static u16 *psp_gu_vram_base = (u16 *)(0x44000000); |
| | 39 | static u32 *ge_cmd_ptr = (u32 *)0x441FC000; |
| | 40 | static u32 gecbid; |
| | 41 | static u32 video_direct = 0; |
| | 42 | |
| | 43 | static u32 __attribute__((aligned(16))) display_list[32]; |
| | 44 | |
| | 45 | #define GBA_SCREEN_WIDTH 240 |
| | 46 | #define GBA_SCREEN_HEIGHT 160 |
| | 47 | |
| | 48 | #define PSP_SCREEN_WIDTH 480 |
| | 49 | #define PSP_SCREEN_HEIGHT 272 |
| | 50 | #define PSP_LINE_SIZE 512 |
| | 51 | |
| | 52 | #define PSP_ALL_BUTTON_MASK 0xFFFF |
| | 53 | |
| | 54 | #define GE_CMD_FBP 0x9C |
| | 55 | #define GE_CMD_FBW 0x9D |
| | 56 | #define GE_CMD_TBP0 0xA0 |
| | 57 | #define GE_CMD_TBW0 0xA8 |
| | 58 | #define GE_CMD_TSIZE0 0xB8 |
| | 59 | #define GE_CMD_TFLUSH 0xCB |
| | 60 | #define GE_CMD_CLEAR 0xD3 |
| | 61 | #define GE_CMD_VTYPE 0x12 |
| | 62 | #define GE_CMD_BASE 0x10 |
| | 63 | #define GE_CMD_VADDR 0x01 |
| | 64 | #define GE_CMD_IADDR 0x02 |
| | 65 | #define GE_CMD_PRIM 0x04 |
| | 66 | #define GE_CMD_FINISH 0x0F |
| | 67 | #define GE_CMD_SIGNAL 0x0C |
| | 68 | #define GE_CMD_NOP 0x00 |
| | 69 | |
| | 70 | #define GE_CMD(cmd, operand) \ |
| | 71 | *ge_cmd_ptr = (((GE_CMD_##cmd) << 24) | (operand)); \ |
| | 72 | ge_cmd_ptr++ \ |
| | 73 | |
| | 74 | static u16 *screen_texture = (u16 *)(0x4000000 + (512 * 272 * 2)); |
| | 75 | static u16 *current_screen_texture = (u16 *)(0x4000000 + (512 * 272 * 2)); |
| | 76 | static u16 *screen_pixels = (u16 *)(0x4000000 + (512 * 272 * 2)); |
| | 77 | static u32 screen_pitch = 240; |
| | 78 | |
| | 79 | static void Ge_Finish_Callback(int id, void *arg) |
| | 80 | { |
| | 81 | } |
| | 82 | |
| | 83 | #define get_screen_pixels() \ |
| | 84 | screen_pixels \ |
| | 85 | |
| | 86 | #define get_screen_pitch() \ |
| | 87 | screen_pitch \ |
| | 88 | |
| | 89 | #elif defined(POLLUX_BUILD) |
| | 90 | |
| | 91 | static u16 rot_buffer[240*4]; |
| | 92 | static u32 rot_lines_total = 4; |
| | 93 | static u32 rot_line_count = 0; |
| | 94 | #ifdef WIZ_BUILD |
| | 95 | static char rot_msg_buff[64]; |
| | 96 | #endif |
| | 97 | |
| | 98 | static u32 screen_offset = 0; |
| | 99 | static u16 *screen_pixels = NULL; |
| | 100 | const u32 screen_pitch = 320; |
| | 101 | |
| | 102 | #define get_screen_pixels() \ |
| | 103 | screen_pixels \ |
| | 104 | |
| | 105 | #define get_screen_pitch() \ |
| | 106 | screen_pitch \ |
| | 107 | |
| | 108 | #elif defined(PND_BUILD) || defined(RPI_BUILD) |
| | 109 | |
| | 110 | static u16 *screen_pixels = NULL; |
| | 111 | |
| | 112 | #define get_screen_pixels() \ |
| | 113 | screen_pixels \ |
| | 114 | |
| | 115 | #define get_screen_pitch() \ |
| | 116 | resolution_width \ |
| | 117 | |
| | 118 | #else |
| | 119 | |
| | 120 | #ifdef GP2X_BUILD |
| | 121 | #include "SDL_gp2x.h" |
| | 122 | SDL_Surface *hw_screen; |
| | 123 | #endif |
| | 124 | SDL_Surface *screen; |
| | 125 | const u32 video_scale = 1; |
| | 126 | |
| | 127 | #define get_screen_pixels() \ |
| | 128 | ((u16 *)screen->pixels) \ |
| | 129 | |
| | 130 | #define get_screen_pitch() \ |
| | 131 | (screen->pitch / 2) \ |
| | 132 | |
| | 133 | #endif |
| | 134 | |
| | 135 | static void render_scanline_conditional_tile(u32 start, u32 end, u16 *scanline, |
| | 136 | u32 enable_flags, u32 dispcnt, u32 bldcnt, const tile_layer_render_struct |
| | 137 | *layer_renderers); |
| | 138 | static void render_scanline_conditional_bitmap(u32 start, u32 end, u16 *scanline, |
| | 139 | u32 enable_flags, u32 dispcnt, u32 bldcnt, const bitmap_layer_render_struct |
| | 140 | *layer_renderers); |
| | 141 | |
| | 142 | #define no_op \ |
| | 143 | |
| | 144 | // This old version is not necessary if the palette is either being converted |
| | 145 | // transparently or the ABGR 1555 format is being used natively. The direct |
| | 146 | // version (without conversion) is much faster. |
| | 147 | |
| | 148 | #define tile_lookup_palette_full(palette, source) \ |
| | 149 | current_pixel = palette[source]; \ |
| | 150 | convert_palette(current_pixel) \ |
| | 151 | |
| | 152 | #define tile_lookup_palette(palette, source) \ |
| | 153 | current_pixel = palette[source]; \ |
| | 154 | |
| | 155 | |
| | 156 | #ifdef RENDER_COLOR16_NORMAL |
| | 157 | |
| | 158 | #define tile_expand_base_normal(index) \ |
| | 159 | tile_expand_base_color16(index) \ |
| | 160 | |
| | 161 | #else |
| | 162 | |
| | 163 | #define tile_expand_base_normal(index) \ |
| | 164 | tile_lookup_palette(palette, current_pixel); \ |
| | 165 | dest_ptr[index] = current_pixel \ |
| | 166 | |
| | 167 | #endif |
| | 168 | |
| | 169 | #define tile_expand_transparent_normal(index) \ |
| | 170 | tile_expand_base_normal(index) \ |
| | 171 | |
| | 172 | #define tile_expand_copy(index) \ |
| | 173 | dest_ptr[index] = copy_ptr[index] \ |
| | 174 | |
| | 175 | |
| | 176 | #define advance_dest_ptr_base(delta) \ |
| | 177 | dest_ptr += delta \ |
| | 178 | |
| | 179 | #define advance_dest_ptr_transparent(delta) \ |
| | 180 | advance_dest_ptr_base(delta) \ |
| | 181 | |
| | 182 | #define advance_dest_ptr_copy(delta) \ |
| | 183 | advance_dest_ptr_base(delta); \ |
| | 184 | copy_ptr += delta \ |
| | 185 | |
| | 186 | |
| | 187 | #define color_combine_mask_a(layer) \ |
| | 188 | ((io_registers[REG_BLDCNT] >> layer) & 0x01) \ |
| | 189 | |
| | 190 | // For color blending operations, will create a mask that has in bit |
| | 191 | // 10 if the layer is target B, and bit 9 if the layer is target A. |
| | 192 | |
| | 193 | #define color_combine_mask(layer) \ |
| | 194 | (color_combine_mask_a(layer) | \ |
| | 195 | ((io_registers[REG_BLDCNT] >> (layer + 7)) & 0x02)) << 9 \ |
| | 196 | |
| | 197 | // For alpha blending renderers, draw the palette index (9bpp) and |
| | 198 | // layer bits rather than the raw RGB. For the base this should write to |
| | 199 | // the 32bit location directly. |
| | 200 | |
| | 201 | #define tile_expand_base_alpha(index) \ |
| | 202 | dest_ptr[index] = current_pixel | pixel_combine \ |
| | 203 | |
| | 204 | #define tile_expand_base_bg(index) \ |
| | 205 | dest_ptr[index] = bg_combine \ |
| | 206 | |
| | 207 | |
| | 208 | // For layered (transparent) writes this should shift the "stack" and write |
| | 209 | // to the bottom. This will preserve the topmost pixel and the most recent |
| | 210 | // one. |
| | 211 | |
| | 212 | #define tile_expand_transparent_alpha(index) \ |
| | 213 | dest_ptr[index] = (dest_ptr[index] << 16) | current_pixel | pixel_combine \ |
| | 214 | |
| | 215 | |
| | 216 | // OBJ should only shift if the top isn't already OBJ |
| | 217 | #define tile_expand_transparent_alpha_obj(index) \ |
| | 218 | dest = dest_ptr[index]; \ |
| | 219 | if(dest & 0x00000100) \ |
| | 220 | { \ |
| | 221 | dest_ptr[index] = (dest & 0xFFFF0000) | current_pixel | pixel_combine; \ |
| | 222 | } \ |
| | 223 | else \ |
| | 224 | { \ |
| | 225 | dest_ptr[index] = (dest << 16) | current_pixel | pixel_combine; \ |
| | 226 | } \ |
| | 227 | |
| | 228 | |
| | 229 | // For color effects that don't need to preserve the previous layer. |
| | 230 | // The color32 version should be used with 32bit wide dest_ptr so as to be |
| | 231 | // compatible with alpha combine on top of it. |
| | 232 | |
| | 233 | #define tile_expand_base_color16(index) \ |
| | 234 | dest_ptr[index] = current_pixel | pixel_combine \ |
| | 235 | |
| | 236 | #define tile_expand_transparent_color16(index) \ |
| | 237 | tile_expand_base_color16(index) \ |
| | 238 | |
| | 239 | #define tile_expand_base_color32(index) \ |
| | 240 | tile_expand_base_color16(index) \ |
| | 241 | |
| | 242 | #define tile_expand_transparent_color32(index) \ |
| | 243 | tile_expand_base_color16(index) \ |
| | 244 | |
| | 245 | |
| | 246 | // Operations for isolation 8bpp pixels within 32bpp pixel blocks. |
| | 247 | |
| | 248 | #define tile_8bpp_pixel_op_mask(op_param) \ |
| | 249 | current_pixel = current_pixels & 0xFF \ |
| | 250 | |
| | 251 | #define tile_8bpp_pixel_op_shift_mask(shift) \ |
| | 252 | current_pixel = (current_pixels >> shift) & 0xFF \ |
| | 253 | |
| | 254 | #define tile_8bpp_pixel_op_shift(shift) \ |
| | 255 | current_pixel = current_pixels >> shift \ |
| | 256 | |
| | 257 | #define tile_8bpp_pixel_op_none(shift) \ |
| | 258 | |
| | 259 | // Base should always draw raw in 8bpp mode; color 0 will be drawn where |
| | 260 | // color 0 is. |
| | 261 | |
| | 262 | #define tile_8bpp_draw_base_normal(index) \ |
| | 263 | tile_expand_base_normal(index) \ |
| | 264 | |
| | 265 | #define tile_8bpp_draw_base_alpha(index) \ |
| | 266 | if(current_pixel) \ |
| | 267 | { \ |
| | 268 | tile_expand_base_alpha(index); \ |
| | 269 | } \ |
| | 270 | else \ |
| | 271 | { \ |
| | 272 | tile_expand_base_bg(index); \ |
| | 273 | } \ |
| | 274 | |
| | 275 | |
| | 276 | #define tile_8bpp_draw_base_color16(index) \ |
| | 277 | tile_8bpp_draw_base_alpha(index) \ |
| | 278 | |
| | 279 | #define tile_8bpp_draw_base_color32(index) \ |
| | 280 | tile_8bpp_draw_base_alpha(index) \ |
| | 281 | |
| | 282 | |
| | 283 | #define tile_8bpp_draw_base(index, op, op_param, alpha_op) \ |
| | 284 | tile_8bpp_pixel_op_##op(op_param); \ |
| | 285 | tile_8bpp_draw_base_##alpha_op(index) \ |
| | 286 | |
| | 287 | // Transparent (layered) writes should only replace what is there if the |
| | 288 | // pixel is not transparent (zero) |
| | 289 | |
| | 290 | #define tile_8bpp_draw_transparent(index, op, op_param, alpha_op) \ |
| | 291 | tile_8bpp_pixel_op_##op(op_param); \ |
| | 292 | if(current_pixel) \ |
| | 293 | { \ |
| | 294 | tile_expand_transparent_##alpha_op(index); \ |
| | 295 | } \ |
| | 296 | |
| | 297 | #define tile_8bpp_draw_copy(index, op, op_param, alpha_op) \ |
| | 298 | tile_8bpp_pixel_op_##op(op_param); \ |
| | 299 | if(current_pixel) \ |
| | 300 | { \ |
| | 301 | tile_expand_copy(index); \ |
| | 302 | } \ |
| | 303 | |
| | 304 | // Get the current tile from the map in 8bpp mode |
| | 305 | |
| | 306 | #define get_tile_8bpp() \ |
| | 307 | current_tile = *map_ptr; \ |
| | 308 | tile_ptr = tile_base + ((current_tile & 0x3FF) * 64) \ |
| | 309 | |
| | 310 | |
| | 311 | // Draw half of a tile in 8bpp mode, for base renderer |
| | 312 | |
| | 313 | #define tile_8bpp_draw_four_noflip(index, combine_op, alpha_op) \ |
| | 314 | tile_8bpp_draw_##combine_op(index + 0, mask, 0, alpha_op); \ |
| | 315 | tile_8bpp_draw_##combine_op(index + 1, shift_mask, 8, alpha_op); \ |
| | 316 | tile_8bpp_draw_##combine_op(index + 2, shift_mask, 16, alpha_op); \ |
| | 317 | tile_8bpp_draw_##combine_op(index + 3, shift, 24, alpha_op) \ |
| | 318 | |
| | 319 | |
| | 320 | // Like the above, but draws the half-tile horizontally flipped |
| | 321 | |
| | 322 | #define tile_8bpp_draw_four_flip(index, combine_op, alpha_op) \ |
| | 323 | tile_8bpp_draw_##combine_op(index + 3, mask, 0, alpha_op); \ |
| | 324 | tile_8bpp_draw_##combine_op(index + 2, shift_mask, 8, alpha_op); \ |
| | 325 | tile_8bpp_draw_##combine_op(index + 1, shift_mask, 16, alpha_op); \ |
| | 326 | tile_8bpp_draw_##combine_op(index + 0, shift, 24, alpha_op) \ |
| | 327 | |
| | 328 | #define tile_8bpp_draw_four_base(index, alpha_op, flip_op) \ |
| | 329 | tile_8bpp_draw_four_##flip_op(index, base, alpha_op) \ |
| | 330 | |
| | 331 | |
| | 332 | // Draw half of a tile in 8bpp mode, for transparent renderer; as an |
| | 333 | // optimization the entire thing is checked against zero (in transparent |
| | 334 | // capable renders it is more likely for the pixels to be transparent than |
| | 335 | // opaque) |
| | 336 | |
| | 337 | #define tile_8bpp_draw_four_transparent(index, alpha_op, flip_op) \ |
| | 338 | if(current_pixels != 0) \ |
| | 339 | { \ |
| | 340 | tile_8bpp_draw_four_##flip_op(index, transparent, alpha_op); \ |
| | 341 | } \ |
| | 342 | |
| | 343 | #define tile_8bpp_draw_four_copy(index, alpha_op, flip_op) \ |
| | 344 | if(current_pixels != 0) \ |
| | 345 | { \ |
| | 346 | tile_8bpp_draw_four_##flip_op(index, copy, alpha_op); \ |
| | 347 | } \ |
| | 348 | |
| | 349 | // Helper macro for drawing 8bpp tiles clipped against the edge of the screen |
| | 350 | |
| | 351 | #define partial_tile_8bpp(combine_op, alpha_op) \ |
| | 352 | for(i = 0; i < partial_tile_run; i++) \ |
| | 353 | { \ |
| | 354 | tile_8bpp_draw_##combine_op(0, mask, 0, alpha_op); \ |
| | 355 | current_pixels >>= 8; \ |
| | 356 | advance_dest_ptr_##combine_op(1); \ |
| | 357 | } \ |
| | 358 | |
| | 359 | |
| | 360 | // Draws 8bpp tiles clipped against the left side of the screen, |
| | 361 | // partial_tile_offset indicates how much clipped in it is, partial_tile_run |
| | 362 | // indicates how much it should draw. |
| | 363 | |
| | 364 | #define partial_tile_right_noflip_8bpp(combine_op, alpha_op) \ |
| | 365 | if(partial_tile_offset >= 4) \ |
| | 366 | { \ |
| | 367 | current_pixels = *((u32 *)(tile_ptr + 4)) >> \ |
| | 368 | ((partial_tile_offset - 4) * 8); \ |
| | 369 | partial_tile_8bpp(combine_op, alpha_op); \ |
| | 370 | } \ |
| | 371 | else \ |
| | 372 | { \ |
| | 373 | partial_tile_run -= 4; \ |
| | 374 | current_pixels = *((u32 *)tile_ptr) >> (partial_tile_offset * 8); \ |
| | 375 | partial_tile_8bpp(combine_op, alpha_op); \ |
| | 376 | current_pixels = *((u32 *)(tile_ptr + 4)); \ |
| | 377 | tile_8bpp_draw_four_##combine_op(0, alpha_op, noflip); \ |
| | 378 | advance_dest_ptr_##combine_op(4); \ |
| | 379 | } \ |
| | 380 | |
| | 381 | |
| | 382 | // Draws 8bpp tiles clipped against both the left and right side of the |
| | 383 | // screen, IE, runs of less than 8 - partial_tile_offset. |
| | 384 | |
| | 385 | #define partial_tile_mid_noflip_8bpp(combine_op, alpha_op) \ |
| | 386 | if(partial_tile_offset >= 4) \ |
| | 387 | { \ |
| | 388 | current_pixels = *((u32 *)(tile_ptr + 4)) >> \ |
| | 389 | ((partial_tile_offset - 4) * 8); \ |
| | 390 | partial_tile_8bpp(combine_op, alpha_op); \ |
| | 391 | } \ |
| | 392 | else \ |
| | 393 | { \ |
| | 394 | current_pixels = *((u32 *)tile_ptr) >> (partial_tile_offset * 8); \ |
| | 395 | if((partial_tile_offset + partial_tile_run) > 4) \ |
| | 396 | { \ |
| | 397 | u32 old_run = partial_tile_run; \ |
| | 398 | partial_tile_run = 4 - partial_tile_offset; \ |
| | 399 | partial_tile_8bpp(combine_op, alpha_op); \ |
| | 400 | partial_tile_run = old_run - partial_tile_run; \ |
| | 401 | current_pixels = *((u32 *)(tile_ptr + 4)); \ |
| | 402 | partial_tile_8bpp(combine_op, alpha_op); \ |
| | 403 | } \ |
| | 404 | else \ |
| | 405 | { \ |
| | 406 | partial_tile_8bpp(combine_op, alpha_op); \ |
| | 407 | } \ |
| | 408 | } \ |
| | 409 | |
| | 410 | |
| | 411 | // Draws 8bpp tiles clipped against the right side of the screen, |
| | 412 | // partial_tile_run indicates how much there is to draw. |
| | 413 | |
| | 414 | #define partial_tile_left_noflip_8bpp(combine_op, alpha_op) \ |
| | 415 | if(partial_tile_run >= 4) \ |
| | 416 | { \ |
| | 417 | current_pixels = *((u32 *)tile_ptr); \ |
| | 418 | tile_8bpp_draw_four_##combine_op(0, alpha_op, noflip); \ |
| | 419 | advance_dest_ptr_##combine_op(4); \ |
| | 420 | tile_ptr += 4; \ |
| | 421 | partial_tile_run -= 4; \ |
| | 422 | } \ |
| | 423 | \ |
| | 424 | current_pixels = *((u32 *)(tile_ptr)); \ |
| | 425 | partial_tile_8bpp(combine_op, alpha_op) \ |
| | 426 | |
| | 427 | |
| | 428 | // Draws a non-clipped (complete) 8bpp tile. |
| | 429 | |
| | 430 | #define tile_noflip_8bpp(combine_op, alpha_op) \ |
| | 431 | current_pixels = *((u32 *)tile_ptr); \ |
| | 432 | tile_8bpp_draw_four_##combine_op(0, alpha_op, noflip); \ |
| | 433 | current_pixels = *((u32 *)(tile_ptr + 4)); \ |
| | 434 | tile_8bpp_draw_four_##combine_op(4, alpha_op, noflip) \ |
| | 435 | |
| | 436 | |
| | 437 | // Like the above versions but draws flipped tiles. |
| | 438 | |
| | 439 | #define partial_tile_flip_8bpp(combine_op, alpha_op) \ |
| | 440 | for(i = 0; i < partial_tile_run; i++) \ |
| | 441 | { \ |
| | 442 | tile_8bpp_draw_##combine_op(0, shift, 24, alpha_op); \ |
| | 443 | current_pixels <<= 8; \ |
| | 444 | advance_dest_ptr_##combine_op(1); \ |
| | 445 | } \ |
| | 446 | |
| | 447 | #define partial_tile_right_flip_8bpp(combine_op, alpha_op) \ |
| | 448 | if(partial_tile_offset >= 4) \ |
| | 449 | { \ |
| | 450 | current_pixels = *((u32 *)tile_ptr) << ((partial_tile_offset - 4) * 8); \ |
| | 451 | partial_tile_flip_8bpp(combine_op, alpha_op); \ |
| | 452 | } \ |
| | 453 | else \ |
| | 454 | { \ |
| | 455 | partial_tile_run -= 4; \ |
| | 456 | current_pixels = *((u32 *)(tile_ptr + 4)) << \ |
| | 457 | ((partial_tile_offset - 4) * 8); \ |
| | 458 | partial_tile_flip_8bpp(combine_op, alpha_op); \ |
| | 459 | current_pixels = *((u32 *)tile_ptr); \ |
| | 460 | tile_8bpp_draw_four_##combine_op(0, alpha_op, flip); \ |
| | 461 | advance_dest_ptr_##combine_op(4); \ |
| | 462 | } \ |
| | 463 | |
| | 464 | #define partial_tile_mid_flip_8bpp(combine_op, alpha_op) \ |
| | 465 | if(partial_tile_offset >= 4) \ |
| | 466 | { \ |
| | 467 | current_pixels = *((u32 *)tile_ptr) << ((partial_tile_offset - 4) * 8); \ |
| | 468 | partial_tile_flip_8bpp(combine_op, alpha_op); \ |
| | 469 | } \ |
| | 470 | else \ |
| | 471 | { \ |
| | 472 | current_pixels = *((u32 *)(tile_ptr + 4)) << \ |
| | 473 | ((partial_tile_offset - 4) * 8); \ |
| | 474 | \ |
| | 475 | if((partial_tile_offset + partial_tile_run) > 4) \ |
| | 476 | { \ |
| | 477 | u32 old_run = partial_tile_run; \ |
| | 478 | partial_tile_run = 4 - partial_tile_offset; \ |
| | 479 | partial_tile_flip_8bpp(combine_op, alpha_op); \ |
| | 480 | partial_tile_run = old_run - partial_tile_run; \ |
| | 481 | current_pixels = *((u32 *)(tile_ptr)); \ |
| | 482 | partial_tile_flip_8bpp(combine_op, alpha_op); \ |
| | 483 | } \ |
| | 484 | else \ |
| | 485 | { \ |
| | 486 | partial_tile_flip_8bpp(combine_op, alpha_op); \ |
| | 487 | } \ |
| | 488 | } \ |
| | 489 | |
| | 490 | #define partial_tile_left_flip_8bpp(combine_op, alpha_op) \ |
| | 491 | if(partial_tile_run >= 4) \ |
| | 492 | { \ |
| | 493 | current_pixels = *((u32 *)(tile_ptr + 4)); \ |
| | 494 | tile_8bpp_draw_four_##combine_op(0, alpha_op, flip); \ |
| | 495 | advance_dest_ptr_##combine_op(4); \ |
| | 496 | tile_ptr -= 4; \ |
| | 497 | partial_tile_run -= 4; \ |
| | 498 | } \ |
| | 499 | \ |
| | 500 | current_pixels = *((u32 *)(tile_ptr + 4)); \ |
| | 501 | partial_tile_flip_8bpp(combine_op, alpha_op) \ |
| | 502 | |
| | 503 | #define tile_flip_8bpp(combine_op, alpha_op) \ |
| | 504 | current_pixels = *((u32 *)(tile_ptr + 4)); \ |
| | 505 | tile_8bpp_draw_four_##combine_op(0, alpha_op, flip); \ |
| | 506 | current_pixels = *((u32 *)tile_ptr); \ |
| | 507 | tile_8bpp_draw_four_##combine_op(4, alpha_op, flip) \ |
| | 508 | |
| | 509 | |
| | 510 | // Operations for isolating 4bpp tiles in a 32bit block |
| | 511 | |
| | 512 | #define tile_4bpp_pixel_op_mask(op_param) \ |
| | 513 | current_pixel = current_pixels & 0x0F \ |
| | 514 | |
| | 515 | #define tile_4bpp_pixel_op_shift_mask(shift) \ |
| | 516 | current_pixel = (current_pixels >> shift) & 0x0F \ |
| | 517 | |
| | 518 | #define tile_4bpp_pixel_op_shift(shift) \ |
| | 519 | current_pixel = current_pixels >> shift \ |
| | 520 | |
| | 521 | #define tile_4bpp_pixel_op_none(op_param) \ |
| | 522 | |
| | 523 | // Draws a single 4bpp pixel as base, normal renderer; checks to see if the |
| | 524 | // pixel is zero because if so the current palette should not be applied. |
| | 525 | // These ifs can be replaced with a lookup table, may or may not be superior |
| | 526 | // this way, should be benchmarked. The lookup table would be from 0-255 |
| | 527 | // identity map except for multiples of 16, which would map to 0. |
| | 528 | |
| | 529 | #define tile_4bpp_draw_base_normal(index) \ |
| | 530 | if(current_pixel) \ |
| | 531 | { \ |
| | 532 | current_pixel |= current_palette; \ |
| | 533 | tile_expand_base_normal(index); \ |
| | 534 | } \ |
| | 535 | else \ |
| | 536 | { \ |
| | 537 | tile_expand_base_normal(index); \ |
| | 538 | } \ |
| | 539 | |
| | 540 | |
| | 541 | #define tile_4bpp_draw_base_alpha(index) \ |
| | 542 | if(current_pixel) \ |
| | 543 | { \ |
| | 544 | current_pixel |= current_palette; \ |
| | 545 | tile_expand_base_alpha(index); \ |
| | 546 | } \ |
| | 547 | else \ |
| | 548 | { \ |
| | 549 | tile_expand_base_bg(index); \ |
| | 550 | } \ |
| | 551 | |
| | 552 | #define tile_4bpp_draw_base_color16(index) \ |
| | 553 | tile_4bpp_draw_base_alpha(index) \ |
| | 554 | |
| | 555 | #define tile_4bpp_draw_base_color32(index) \ |
| | 556 | tile_4bpp_draw_base_alpha(index) \ |
| | 557 | |
| | 558 | |
| | 559 | #define tile_4bpp_draw_base(index, op, op_param, alpha_op) \ |
| | 560 | tile_4bpp_pixel_op_##op(op_param); \ |
| | 561 | tile_4bpp_draw_base_##alpha_op(index) \ |
| | 562 | |
| | 563 | |
| | 564 | // Draws a single 4bpp pixel as layered, if not transparent. |
| | 565 | |
| | 566 | #define tile_4bpp_draw_transparent(index, op, op_param, alpha_op) \ |
| | 567 | tile_4bpp_pixel_op_##op(op_param); \ |
| | 568 | if(current_pixel) \ |
| | 569 | { \ |
| | 570 | current_pixel |= current_palette; \ |
| | 571 | tile_expand_transparent_##alpha_op(index); \ |
| | 572 | } \ |
| | 573 | |
| | 574 | #define tile_4bpp_draw_copy(index, op, op_param, alpha_op) \ |
| | 575 | tile_4bpp_pixel_op_##op(op_param); \ |
| | 576 | if(current_pixel) \ |
| | 577 | { \ |
| | 578 | current_pixel |= current_palette; \ |
| | 579 | tile_expand_copy(index); \ |
| | 580 | } \ |
| | 581 | |
| | 582 | |
| | 583 | // Draws eight background pixels in transparent mode, for alpha or normal |
| | 584 | // renderers. |
| | 585 | |
| | 586 | #define tile_4bpp_draw_eight_base_zero(value) \ |
| | 587 | dest_ptr[0] = value; \ |
| | 588 | dest_ptr[1] = value; \ |
| | 589 | dest_ptr[2] = value; \ |
| | 590 | dest_ptr[3] = value; \ |
| | 591 | dest_ptr[4] = value; \ |
| | 592 | dest_ptr[5] = value; \ |
| | 593 | dest_ptr[6] = value; \ |
| | 594 | dest_ptr[7] = value \ |
| | 595 | |
| | 596 | |
| | 597 | // Draws eight background pixels for the alpha renderer, basically color zero |
| | 598 | // with the background flag high. |
| | 599 | |
| | 600 | #define tile_4bpp_draw_eight_base_zero_alpha() \ |
| | 601 | tile_4bpp_draw_eight_base_zero(bg_combine) \ |
| | 602 | |
| | 603 | #define tile_4bpp_draw_eight_base_zero_color16() \ |
| | 604 | tile_4bpp_draw_eight_base_zero_alpha() \ |
| | 605 | |
| | 606 | #define tile_4bpp_draw_eight_base_zero_color32() \ |
| | 607 | tile_4bpp_draw_eight_base_zero_alpha() \ |
| | 608 | |
| | 609 | |
| | 610 | // Draws eight background pixels for the normal renderer, just a bunch of |
| | 611 | // zeros. |
| | 612 | |
| | 613 | #ifdef RENDER_COLOR16_NORMAL |
| | 614 | |
| | 615 | #define tile_4bpp_draw_eight_base_zero_normal() \ |
| | 616 | current_pixel = 0; \ |
| | 617 | tile_4bpp_draw_eight_base_zero(current_pixel) \ |
| | 618 | |
| | 619 | #else |
| | 620 | |
| | 621 | #define tile_4bpp_draw_eight_base_zero_normal() \ |
| | 622 | current_pixel = palette[0]; \ |
| | 623 | tile_4bpp_draw_eight_base_zero(current_pixel) \ |
| | 624 | |
| | 625 | #endif |
| | 626 | |
| | 627 | |
| | 628 | // Draws eight 4bpp pixels. |
| | 629 | |
| | 630 | #define tile_4bpp_draw_eight_noflip(combine_op, alpha_op) \ |
| | 631 | tile_4bpp_draw_##combine_op(0, mask, 0, alpha_op); \ |
| | 632 | tile_4bpp_draw_##combine_op(1, shift_mask, 4, alpha_op); \ |
| | 633 | tile_4bpp_draw_##combine_op(2, shift_mask, 8, alpha_op); \ |
| | 634 | tile_4bpp_draw_##combine_op(3, shift_mask, 12, alpha_op); \ |
| | 635 | tile_4bpp_draw_##combine_op(4, shift_mask, 16, alpha_op); \ |
| | 636 | tile_4bpp_draw_##combine_op(5, shift_mask, 20, alpha_op); \ |
| | 637 | tile_4bpp_draw_##combine_op(6, shift_mask, 24, alpha_op); \ |
| | 638 | tile_4bpp_draw_##combine_op(7, shift, 28, alpha_op) \ |
| | 639 | |
| | 640 | |
| | 641 | // Draws eight 4bpp pixels in reverse order (for hflip). |
| | 642 | |
| | 643 | #define tile_4bpp_draw_eight_flip(combine_op, alpha_op) \ |
| | 644 | tile_4bpp_draw_##combine_op(7, mask, 0, alpha_op); \ |
| | 645 | tile_4bpp_draw_##combine_op(6, shift_mask, 4, alpha_op); \ |
| | 646 | tile_4bpp_draw_##combine_op(5, shift_mask, 8, alpha_op); \ |
| | 647 | tile_4bpp_draw_##combine_op(4, shift_mask, 12, alpha_op); \ |
| | 648 | tile_4bpp_draw_##combine_op(3, shift_mask, 16, alpha_op); \ |
| | 649 | tile_4bpp_draw_##combine_op(2, shift_mask, 20, alpha_op); \ |
| | 650 | tile_4bpp_draw_##combine_op(1, shift_mask, 24, alpha_op); \ |
| | 651 | tile_4bpp_draw_##combine_op(0, shift, 28, alpha_op) \ |
| | 652 | |
| | 653 | |
| | 654 | // Draws eight 4bpp pixels in base mode, checks if all are zero, if so draws |
| | 655 | // the appropriate background pixels. |
| | 656 | |
| | 657 | #define tile_4bpp_draw_eight_base(alpha_op, flip_op) \ |
| | 658 | if(current_pixels != 0) \ |
| | 659 | { \ |
| | 660 | tile_4bpp_draw_eight_##flip_op(base, alpha_op); \ |
| | 661 | } \ |
| | 662 | else \ |
| | 663 | { \ |
| | 664 | tile_4bpp_draw_eight_base_zero_##alpha_op(); \ |
| | 665 | } \ |
| | 666 | |
| | 667 | |
| | 668 | // Draws eight 4bpp pixels in transparent (layered) mode, checks if all are |
| | 669 | // zero and if so draws nothing. |
| | 670 | |
| | 671 | #define tile_4bpp_draw_eight_transparent(alpha_op, flip_op) \ |
| | 672 | if(current_pixels != 0) \ |
| | 673 | { \ |
| | 674 | tile_4bpp_draw_eight_##flip_op(transparent, alpha_op); \ |
| | 675 | } \ |
| | 676 | |
| | 677 | |
| | 678 | #define tile_4bpp_draw_eight_copy(alpha_op, flip_op) \ |
| | 679 | if(current_pixels != 0) \ |
| | 680 | { \ |
| | 681 | tile_4bpp_draw_eight_##flip_op(copy, alpha_op); \ |
| | 682 | } \ |
| | 683 | |
| | 684 | // Gets the current tile in 4bpp mode, also getting the current palette and |
| | 685 | // the pixel block. |
| | 686 | |
| | 687 | #define get_tile_4bpp() \ |
| | 688 | current_tile = *map_ptr; \ |
| | 689 | current_palette = (current_tile >> 12) << 4; \ |
| | 690 | tile_ptr = tile_base + ((current_tile & 0x3FF) * 32); \ |
| | 691 | |
| | 692 | |
| | 693 | // Helper macro for drawing clipped 4bpp tiles. |
| | 694 | |
| | 695 | #define partial_tile_4bpp(combine_op, alpha_op) \ |
| | 696 | for(i = 0; i < partial_tile_run; i++) \ |
| | 697 | { \ |
| | 698 | tile_4bpp_draw_##combine_op(0, mask, 0, alpha_op); \ |
| | 699 | current_pixels >>= 4; \ |
| | 700 | advance_dest_ptr_##combine_op(1); \ |
| | 701 | } \ |
| | 702 | |
| | 703 | |
| | 704 | // Draws a 4bpp tile clipped against the left edge of the screen. |
| | 705 | // partial_tile_offset is how far in it's clipped, partial_tile_run is |
| | 706 | // how many to draw. |
| | 707 | |
| | 708 | #define partial_tile_right_noflip_4bpp(combine_op, alpha_op) \ |
| | 709 | current_pixels = *((u32 *)tile_ptr) >> (partial_tile_offset * 4); \ |
| | 710 | partial_tile_4bpp(combine_op, alpha_op) \ |
| | 711 | |
| | 712 | |
| | 713 | // Draws a 4bpp tile clipped against both edges of the screen, same as right. |
| | 714 | |
| | 715 | #define partial_tile_mid_noflip_4bpp(combine_op, alpha_op) \ |
| | 716 | partial_tile_right_noflip_4bpp(combine_op, alpha_op) \ |
| | 717 | |
| | 718 | |
| | 719 | // Draws a 4bpp tile clipped against the right edge of the screen. |
| | 720 | // partial_tile_offset is how many to draw. |
| | 721 | |
| | 722 | #define partial_tile_left_noflip_4bpp(combine_op, alpha_op) \ |
| | 723 | current_pixels = *((u32 *)tile_ptr); \ |
| | 724 | partial_tile_4bpp(combine_op, alpha_op) \ |
| | 725 | |
| | 726 | |
| | 727 | // Draws a complete 4bpp tile row (not clipped) |
| | 728 | #define tile_noflip_4bpp(combine_op, alpha_op) \ |
| | 729 | current_pixels = *((u32 *)tile_ptr); \ |
| | 730 | tile_4bpp_draw_eight_##combine_op(alpha_op, noflip) \ |
| | 731 | |
| | 732 | |
| | 733 | // Like the above, but draws flipped tiles. |
| | 734 | |
| | 735 | #define partial_tile_flip_4bpp(combine_op, alpha_op) \ |
| | 736 | for(i = 0; i < partial_tile_run; i++) \ |
| | 737 | { \ |
| | 738 | tile_4bpp_draw_##combine_op(0, shift, 28, alpha_op); \ |
| | 739 | current_pixels <<= 4; \ |
| | 740 | advance_dest_ptr_##combine_op(1); \ |
| | 741 | } \ |
| | 742 | |
| | 743 | #define partial_tile_right_flip_4bpp(combine_op, alpha_op) \ |
| | 744 | current_pixels = *((u32 *)tile_ptr) << (partial_tile_offset * 4); \ |
| | 745 | partial_tile_flip_4bpp(combine_op, alpha_op) \ |
| | 746 | |
| | 747 | #define partial_tile_mid_flip_4bpp(combine_op, alpha_op) \ |
| | 748 | partial_tile_right_flip_4bpp(combine_op, alpha_op) \ |
| | 749 | |
| | 750 | #define partial_tile_left_flip_4bpp(combine_op, alpha_op) \ |
| | 751 | current_pixels = *((u32 *)tile_ptr); \ |
| | 752 | partial_tile_flip_4bpp(combine_op, alpha_op) \ |
| | 753 | |
| | 754 | #define tile_flip_4bpp(combine_op, alpha_op) \ |
| | 755 | current_pixels = *((u32 *)tile_ptr); \ |
| | 756 | tile_4bpp_draw_eight_##combine_op(alpha_op, flip) \ |
| | 757 | |
| | 758 | |
| | 759 | // Draws a single (partial or complete) tile from the tilemap, flipping |
| | 760 | // as necessary. |
| | 761 | |
| | 762 | #define single_tile_map(tile_type, combine_op, color_depth, alpha_op) \ |
| | 763 | get_tile_##color_depth(); \ |
| | 764 | if(current_tile & 0x800) \ |
| | 765 | tile_ptr += vertical_pixel_flip; \ |
| | 766 | \ |
| | 767 | if(current_tile & 0x400) \ |
| | 768 | { \ |
| | 769 | tile_type##_flip_##color_depth(combine_op, alpha_op); \ |
| | 770 | } \ |
| | 771 | else \ |
| | 772 | { \ |
| | 773 | tile_type##_noflip_##color_depth(combine_op, alpha_op); \ |
| | 774 | } \ |
| | 775 | |
| | 776 | |
| | 777 | // Draws multiple sequential tiles from the tilemap, hflips and vflips as |
| | 778 | // necessary. |
| | 779 | |
| | 780 | #define multiple_tile_map(combine_op, color_depth, alpha_op) \ |
| | 781 | for(i = 0; i < tile_run; i++) \ |
| | 782 | { \ |
| | 783 | single_tile_map(tile, combine_op, color_depth, alpha_op); \ |
| | 784 | advance_dest_ptr_##combine_op(8); \ |
| | 785 | map_ptr++; \ |
| | 786 | } \ |
| | 787 | |
| | 788 | // Draws a partial tile from a tilemap clipped against the left edge of the |
| | 789 | // screen. |
| | 790 | |
| | 791 | #define partial_tile_right_map(combine_op, color_depth, alpha_op) \ |
| | 792 | single_tile_map(partial_tile_right, combine_op, color_depth, alpha_op); \ |
| | 793 | map_ptr++ \ |
| | 794 | |
| | 795 | // Draws a partial tile from a tilemap clipped against both edges of the |
| | 796 | // screen. |
| | 797 | |
| | 798 | #define partial_tile_mid_map(combine_op, color_depth, alpha_op) \ |
| | 799 | single_tile_map(partial_tile_mid, combine_op, color_depth, alpha_op) \ |
| | 800 | |
| | 801 | // Draws a partial tile from a tilemap clipped against the right edge of the |
| | 802 | // screen. |
| | 803 | |
| | 804 | #define partial_tile_left_map(combine_op, color_depth, alpha_op) \ |
| | 805 | single_tile_map(partial_tile_left, combine_op, color_depth, alpha_op) \ |
| | 806 | |
| | 807 | |
| | 808 | // Advances a non-flipped 4bpp obj to the next tile. |
| | 809 | |
| | 810 | #define obj_advance_noflip_4bpp() \ |
| | 811 | tile_ptr += 32 \ |
| | 812 | |
| | 813 | |
| | 814 | // Advances a non-flipped 8bpp obj to the next tile. |
| | 815 | |
| | 816 | #define obj_advance_noflip_8bpp() \ |
| | 817 | tile_ptr += 64 \ |
| | 818 | |
| | 819 | |
| | 820 | // Advances a flipped 4bpp obj to the next tile. |
| | 821 | |
| | 822 | #define obj_advance_flip_4bpp() \ |
| | 823 | tile_ptr -= 32 \ |
| | 824 | |
| | 825 | |
| | 826 | // Advances a flipped 8bpp obj to the next tile. |
| | 827 | |
| | 828 | #define obj_advance_flip_8bpp() \ |
| | 829 | tile_ptr -= 64 \ |
| | 830 | |
| | 831 | |
| | 832 | |
| | 833 | // Draws multiple sequential tiles from an obj, flip_op determines if it should |
| | 834 | // be flipped or not (set to flip or noflip) |
| | 835 | |
| | 836 | #define multiple_tile_obj(combine_op, color_depth, alpha_op, flip_op) \ |
| | 837 | for(i = 0; i < tile_run; i++) \ |
| | 838 | { \ |
| | 839 | tile_##flip_op##_##color_depth(combine_op, alpha_op); \ |
| | 840 | obj_advance_##flip_op##_##color_depth(); \ |
| | 841 | advance_dest_ptr_##combine_op(8); \ |
| | 842 | } \ |
| | 843 | |
| | 844 | |
| | 845 | // Draws an obj's tile clipped against the left side of the screen |
| | 846 | |
| | 847 | #define partial_tile_right_obj(combine_op, color_depth, alpha_op, flip_op) \ |
| | 848 | partial_tile_right_##flip_op##_##color_depth(combine_op, alpha_op); \ |
| | 849 | obj_advance_##flip_op##_##color_depth() \ |
| | 850 | |
| | 851 | // Draws an obj's tile clipped against both sides of the screen |
| | 852 | |
| | 853 | #define partial_tile_mid_obj(combine_op, color_depth, alpha_op, flip_op) \ |
| | 854 | partial_tile_mid_##flip_op##_##color_depth(combine_op, alpha_op) \ |
| | 855 | |
| | 856 | // Draws an obj's tile clipped against the right side of the screen |
| | 857 | |
| | 858 | #define partial_tile_left_obj(combine_op, color_depth, alpha_op, flip_op) \ |
| | 859 | partial_tile_left_##flip_op##_##color_depth(combine_op, alpha_op) \ |
| | 860 | |
| | 861 | |
| | 862 | // Extra variables specific for 8bpp/4bpp tile renderers. |
| | 863 | |
| | 864 | #define tile_extra_variables_8bpp() \ |
| | 865 | |
| | 866 | #define tile_extra_variables_4bpp() \ |
| | 867 | u32 current_palette \ |
| | 868 | |
| | 869 | |
| | 870 | // Byte lengths of complete tiles and tile rows in 4bpp and 8bpp. |
| | 871 | |
| | 872 | #define tile_width_4bpp 4 |
| | 873 | #define tile_size_4bpp 32 |
| | 874 | #define tile_width_8bpp 8 |
| | 875 | #define tile_size_8bpp 64 |
| | 876 | |
| | 877 | |
| | 878 | // Render a single scanline of text tiles |
| | 879 | |
| | 880 | #define tile_render(color_depth, combine_op, alpha_op) \ |
| | 881 | { \ |
| | 882 | u32 vertical_pixel_offset = (vertical_offset % 8) * \ |
| | 883 | tile_width_##color_depth; \ |
| | 884 | u32 vertical_pixel_flip = \ |
| | 885 | ((tile_size_##color_depth - tile_width_##color_depth) - \ |
| | 886 | vertical_pixel_offset) - vertical_pixel_offset; \ |
| | 887 | tile_extra_variables_##color_depth(); \ |
| | 888 | u8 *tile_base = vram + (((bg_control >> 2) & 0x03) * (1024 * 16)) + \ |
| | 889 | vertical_pixel_offset; \ |
| | 890 | u32 pixel_run = 256 - (horizontal_offset % 256); \ |
| | 891 | u32 current_tile; \ |
| | 892 | \ |
| | 893 | map_base += ((vertical_offset % 256) / 8) * 32; \ |
| | 894 | partial_tile_offset = (horizontal_offset % 8); \ |
| | 895 | \ |
| | 896 | if(pixel_run >= end) \ |
| | 897 | { \ |
| | 898 | if(partial_tile_offset) \ |
| | 899 | { \ |
| | 900 | partial_tile_run = 8 - partial_tile_offset; \ |
| | 901 | if(end < partial_tile_run) \ |
| | 902 | { \ |
| | 903 | partial_tile_run = end; \ |
| | 904 | partial_tile_mid_map(combine_op, color_depth, alpha_op); \ |
| | 905 | return; \ |
| | 906 | } \ |
| | 907 | else \ |
| | 908 | { \ |
| | 909 | end -= partial_tile_run; \ |
| | 910 | partial_tile_right_map(combine_op, color_depth, alpha_op); \ |
| | 911 | } \ |
| | 912 | } \ |
| | 913 | \ |
| | 914 | tile_run = end / 8; \ |
| | 915 | multiple_tile_map(combine_op, color_depth, alpha_op); \ |
| | 916 | \ |
| | 917 | partial_tile_run = end % 8; \ |
| | 918 | \ |
| | 919 | if(partial_tile_run) \ |
| | 920 | { \ |
| | 921 | partial_tile_left_map(combine_op, color_depth, alpha_op); \ |
| | 922 | } \ |
| | 923 | } \ |
| | 924 | else \ |
| | 925 | { \ |
| | 926 | if(partial_tile_offset) \ |
| | 927 | { \ |
| | 928 | partial_tile_run = 8 - partial_tile_offset; \ |
| | 929 | partial_tile_right_map(combine_op, color_depth, alpha_op); \ |
| | 930 | } \ |
| | 931 | \ |
| | 932 | tile_run = (pixel_run - partial_tile_run) / 8; \ |
| | 933 | multiple_tile_map(combine_op, color_depth, alpha_op); \ |
| | 934 | map_ptr = second_ptr; \ |
| | 935 | end -= pixel_run; \ |
| | 936 | tile_run = end / 8; \ |
| | 937 | multiple_tile_map(combine_op, color_depth, alpha_op); \ |
| | 938 | \ |
| | 939 | partial_tile_run = end % 8; \ |
| | 940 | if(partial_tile_run) \ |
| | 941 | { \ |
| | 942 | partial_tile_left_map(combine_op, color_depth, alpha_op); \ |
| | 943 | } \ |
| | 944 | } \ |
| | 945 | } \ |
| | 946 | |
| | 947 | #define render_scanline_dest_normal u16 |
| | 948 | #define render_scanline_dest_alpha u32 |
| | 949 | #define render_scanline_dest_alpha_obj u32 |
| | 950 | #define render_scanline_dest_color16 u16 |
| | 951 | #define render_scanline_dest_color32 u32 |
| | 952 | #define render_scanline_dest_partial_alpha u32 |
| | 953 | #define render_scanline_dest_copy_tile u16 |
| | 954 | #define render_scanline_dest_copy_bitmap u16 |
| | 955 | |
| | 956 | |
| | 957 | // If rendering a scanline that is not a target A then there's no point in |
| | 958 | // keeping what's underneath it because it can't blend with it. |
| | 959 | |
| | 960 | #define render_scanline_skip_alpha(bg_type, combine_op) \ |
| | 961 | if((pixel_combine & 0x00000200) == 0) \ |
| | 962 | { \ |
| | 963 | render_scanline_##bg_type##_##combine_op##_color32(layer, \ |
| | 964 | start, end, scanline); \ |
| | 965 | return; \ |
| | 966 | } \ |
| | 967 | |
| | 968 | |
| | 969 | #ifdef RENDER_COLOR16_NORMAL |
| | 970 | |
| | 971 | #define render_scanline_extra_variables_base_normal(bg_type) \ |
| | 972 | const u32 pixel_combine = 0 \ |
| | 973 | |
| | 974 | #else |
| | 975 | |
| | 976 | #define render_scanline_extra_variables_base_normal(bg_type) \ |
| | 977 | u16 *palette = palette_ram_converted \ |
| | 978 | |
| | 979 | #endif |
| | 980 | |
| | 981 | |
| | 982 | #define render_scanline_extra_variables_base_alpha(bg_type) \ |
| | 983 | u32 bg_combine = color_combine_mask(5); \ |
| | 984 | u32 pixel_combine = color_combine_mask(layer) | (bg_combine << 16); \ |
| | 985 | render_scanline_skip_alpha(bg_type, base) \ |
| | 986 | |
| | 987 | #define render_scanline_extra_variables_base_color() \ |
| | 988 | u32 bg_combine = color_combine_mask(5); \ |
| | 989 | u32 pixel_combine = color_combine_mask(layer) \ |
| | 990 | |
| | 991 | #define render_scanline_extra_variables_base_color16(bg_type) \ |
| | 992 | render_scanline_extra_variables_base_color() \ |
| | 993 | |
| | 994 | #define render_scanline_extra_variables_base_color32(bg_type) \ |
| | 995 | render_scanline_extra_variables_base_color() \ |
| | 996 | |
| | 997 | |
| | 998 | #define render_scanline_extra_variables_transparent_normal(bg_type) \ |
| | 999 | render_scanline_extra_variables_base_normal(bg_type) \ |
| | 1000 | |
| | 1001 | #define render_scanline_extra_variables_transparent_alpha(bg_type) \ |
| | 1002 | u32 pixel_combine = color_combine_mask(layer); \ |
| | 1003 | render_scanline_skip_alpha(bg_type, transparent) \ |
| | 1004 | |
| | 1005 | #define render_scanline_extra_variables_transparent_color() \ |
| | 1006 | u32 pixel_combine = color_combine_mask(layer) \ |
| | 1007 | |
| | 1008 | #define render_scanline_extra_variables_transparent_color16(bg_type) \ |
| | 1009 | render_scanline_extra_variables_transparent_color() \ |
| | 1010 | |
| | 1011 | #define render_scanline_extra_variables_transparent_color32(bg_type) \ |
| | 1012 | render_scanline_extra_variables_transparent_color() \ |
| | 1013 | |
| | 1014 | |
| | 1015 | |
| | 1016 | |
| | 1017 | static const u32 map_widths[] = { 256, 512, 256, 512 }; |
| | 1018 | |
| | 1019 | // Build text scanline rendering functions. |
| | 1020 | |
| | 1021 | #define render_scanline_text_builder(combine_op, alpha_op) \ |
| | 1022 | static void render_scanline_text_##combine_op##_##alpha_op(u32 layer, \ |
| | 1023 | u32 start, u32 end, void *scanline) \ |
| | 1024 | { \ |
| | 1025 | render_scanline_extra_variables_##combine_op##_##alpha_op(text); \ |
| | 1026 | u32 bg_control = io_registers[REG_BG0CNT + layer]; \ |
| | 1027 | u32 map_size = (bg_control >> 14) & 0x03; \ |
| | 1028 | u32 map_width = map_widths[map_size]; \ |
| | 1029 | u32 horizontal_offset = \ |
| | 1030 | (io_registers[REG_BG0HOFS + (layer * 2)] + start) % 512; \ |
| | 1031 | u32 vertical_offset = (io_registers[REG_VCOUNT] + \ |
| | 1032 | io_registers[REG_BG0VOFS + (layer * 2)]) % 512; \ |
| | 1033 | u32 current_pixel; \ |
| | 1034 | u32 current_pixels; \ |
| | 1035 | u32 partial_tile_run = 0; \ |
| | 1036 | u32 partial_tile_offset; \ |
| | 1037 | u32 tile_run; \ |
| | 1038 | u32 i; \ |
| | 1039 | render_scanline_dest_##alpha_op *dest_ptr = \ |
| | 1040 | ((render_scanline_dest_##alpha_op *)scanline) + start; \ |
| | 1041 | \ |
| | 1042 | u16 *map_base = (u16 *)(vram + ((bg_control >> 8) & 0x1F) * (1024 * 2)); \ |
| | 1043 | u16 *map_ptr, *second_ptr; \ |
| | 1044 | u8 *tile_ptr; \ |
| | 1045 | \ |
| | 1046 | end -= start; \ |
| | 1047 | \ |
| | 1048 | if((map_size & 0x02) && (vertical_offset >= 256)) \ |
| | 1049 | { \ |
| | 1050 | map_base += ((map_width / 8) * 32) + \ |
| | 1051 | (((vertical_offset - 256) / 8) * 32); \ |
| | 1052 | } \ |
| | 1053 | else \ |
| | 1054 | { \ |
| | 1055 | map_base += (((vertical_offset % 256) / 8) * 32); \ |
| | 1056 | } \ |
| | 1057 | \ |
| | 1058 | if(map_size & 0x01) \ |
| | 1059 | { \ |
| | 1060 | if(horizontal_offset >= 256) \ |
| | 1061 | { \ |
| | 1062 | horizontal_offset -= 256; \ |
| | 1063 | map_ptr = map_base + (32 * 32) + (horizontal_offset / 8); \ |
| | 1064 | second_ptr = map_base; \ |
| | 1065 | } \ |
| | 1066 | else \ |
| | 1067 | { \ |
| | 1068 | map_ptr = map_base + (horizontal_offset / 8); \ |
| | 1069 | second_ptr = map_base + (32 * 32); \ |
| | 1070 | } \ |
| | 1071 | } \ |
| | 1072 | else \ |
| | 1073 | { \ |
| | 1074 | horizontal_offset %= 256; \ |
| | 1075 | map_ptr = map_base + (horizontal_offset / 8); \ |
| | 1076 | second_ptr = map_base; \ |
| | 1077 | } \ |
| | 1078 | \ |
| | 1079 | if(bg_control & 0x80) \ |
| | 1080 | { \ |
| | 1081 | tile_render(8bpp, combine_op, alpha_op); \ |
| | 1082 | } \ |
| | 1083 | else \ |
| | 1084 | { \ |
| | 1085 | tile_render(4bpp, combine_op, alpha_op); \ |
| | 1086 | } \ |
| | 1087 | } \ |
| | 1088 | |
| | 1089 | render_scanline_text_builder(base, normal); |
| | 1090 | render_scanline_text_builder(transparent, normal); |
| | 1091 | render_scanline_text_builder(base, color16); |
| | 1092 | render_scanline_text_builder(transparent, color16); |
| | 1093 | render_scanline_text_builder(base, color32); |
| | 1094 | render_scanline_text_builder(transparent, color32); |
| | 1095 | render_scanline_text_builder(base, alpha); |
| | 1096 | render_scanline_text_builder(transparent, alpha); |
| | 1097 | |
| | 1098 | |
| | 1099 | s32 affine_reference_x[2]; |
| | 1100 | s32 affine_reference_y[2]; |
| | 1101 | |
| | 1102 | #define affine_render_bg_pixel_normal() \ |
| | 1103 | current_pixel = palette_ram_converted[0] \ |
| | 1104 | |
| | 1105 | #define affine_render_bg_pixel_alpha() \ |
| | 1106 | current_pixel = bg_combine \ |
| | 1107 | |
| | 1108 | #define affine_render_bg_pixel_color16() \ |
| | 1109 | affine_render_bg_pixel_alpha() \ |
| | 1110 | |
| | 1111 | #define affine_render_bg_pixel_color32() \ |
| | 1112 | affine_render_bg_pixel_alpha() \ |
| | 1113 | |
| | 1114 | #define affine_render_bg_pixel_base(alpha_op) \ |
| | 1115 | affine_render_bg_pixel_##alpha_op() \ |
| | 1116 | |
| | 1117 | #define affine_render_bg_pixel_transparent(alpha_op) \ |
| | 1118 | |
| | 1119 | #define affine_render_bg_pixel_copy(alpha_op) \ |
| | 1120 | |
| | 1121 | #define affine_render_bg_base(alpha_op) \ |
| | 1122 | dest_ptr[0] = current_pixel |
| | 1123 | |
| | 1124 | #define affine_render_bg_transparent(alpha_op) \ |
| | 1125 | |
| | 1126 | #define affine_render_bg_copy(alpha_op) \ |
| | 1127 | |
| | 1128 | #define affine_render_bg_remainder_base(alpha_op) \ |
| | 1129 | affine_render_bg_pixel_##alpha_op(); \ |
| | 1130 | for(; i < end; i++) \ |
| | 1131 | { \ |
| | 1132 | affine_render_bg_base(alpha_op); \ |
| | 1133 | advance_dest_ptr_base(1); \ |
| | 1134 | } \ |
| | 1135 | |
| | 1136 | #define affine_render_bg_remainder_transparent(alpha_op) \ |
| | 1137 | |
| | 1138 | #define affine_render_bg_remainder_copy(alpha_op) \ |
| | 1139 | |
| | 1140 | #define affine_render_next(combine_op) \ |
| | 1141 | source_x += dx; \ |
| | 1142 | source_y += dy; \ |
| | 1143 | advance_dest_ptr_##combine_op(1) \ |
| | 1144 | |
| | 1145 | #define affine_render_scale_offset() \ |
| | 1146 | tile_base += ((pixel_y % 8) * 8); \ |
| | 1147 | map_base += (pixel_y / 8) << map_pitch \ |
| | 1148 | |
| | 1149 | #define affine_render_scale_pixel(combine_op, alpha_op) \ |
| | 1150 | map_offset = (pixel_x / 8); \ |
| | 1151 | if(map_offset != last_map_offset) \ |
| | 1152 | { \ |
| | 1153 | tile_ptr = tile_base + (map_base[map_offset] * 64); \ |
| | 1154 | last_map_offset = map_offset; \ |
| | 1155 | } \ |
| | 1156 | tile_ptr = tile_base + (map_base[(pixel_x / 8)] * 64); \ |
| | 1157 | current_pixel = tile_ptr[(pixel_x % 8)]; \ |
| | 1158 | tile_8bpp_draw_##combine_op(0, none, 0, alpha_op); \ |
| | 1159 | affine_render_next(combine_op) \ |
| | 1160 | |
| | 1161 | #define affine_render_scale(combine_op, alpha_op) \ |
| | 1162 | { \ |
| | 1163 | pixel_y = source_y >> 8; \ |
| | 1164 | u32 i = 0; \ |
| | 1165 | affine_render_bg_pixel_##combine_op(alpha_op); \ |
| | 1166 | if((u32)pixel_y < (u32)width_height) \ |
| | 1167 | { \ |
| | 1168 | affine_render_scale_offset(); \ |
| | 1169 | for(; i < end; i++) \ |
| | 1170 | { \ |
| | 1171 | pixel_x = source_x >> 8; \ |
| | 1172 | \ |
| | 1173 | if((u32)pixel_x < (u32)width_height) \ |
| | 1174 | { \ |
| | 1175 | break; \ |
| | 1176 | } \ |
| | 1177 | \ |
| | 1178 | affine_render_bg_##combine_op(alpha_op); \ |
| | 1179 | affine_render_next(combine_op); \ |
| | 1180 | } \ |
| | 1181 | \ |
| | 1182 | for(; i < end; i++) \ |
| | 1183 | { \ |
| | 1184 | pixel_x = source_x >> 8; \ |
| | 1185 | \ |
| | 1186 | if((u32)pixel_x >= (u32)width_height) \ |
| | 1187 | break; \ |
| | 1188 | \ |
| | 1189 | affine_render_scale_pixel(combine_op, alpha_op); \ |
| | 1190 | } \ |
| | 1191 | } \ |
| | 1192 | affine_render_bg_remainder_##combine_op(alpha_op); \ |
| | 1193 | } \ |
| | 1194 | |
| | 1195 | #define affine_render_scale_wrap(combine_op, alpha_op) \ |
| | 1196 | { \ |
| | 1197 | u32 wrap_mask = width_height - 1; \ |
| | 1198 | pixel_y = (source_y >> 8) & wrap_mask; \ |
| | 1199 | if((u32)pixel_y < (u32)width_height) \ |
| | 1200 | { \ |
| | 1201 | affine_render_scale_offset(); \ |
| | 1202 | for(i = 0; i < end; i++) \ |
| | 1203 | { \ |
| | 1204 | pixel_x = (source_x >> 8) & wrap_mask; \ |
| | 1205 | affine_render_scale_pixel(combine_op, alpha_op); \ |
| | 1206 | } \ |
| | 1207 | } \ |
| | 1208 | } \ |
| | 1209 | |
| | 1210 | |
| | 1211 | #define affine_render_rotate_pixel(combine_op, alpha_op) \ |
| | 1212 | map_offset = (pixel_x / 8) + ((pixel_y / 8) << map_pitch); \ |
| | 1213 | if(map_offset != last_map_offset) \ |
| | 1214 | { \ |
| | 1215 | tile_ptr = tile_base + (map_base[map_offset] * 64); \ |
| | 1216 | last_map_offset = map_offset; \ |
| | 1217 | } \ |
| | 1218 | \ |
| | 1219 | current_pixel = tile_ptr[(pixel_x % 8) + ((pixel_y % 8) * 8)]; \ |
| | 1220 | tile_8bpp_draw_##combine_op(0, none, 0, alpha_op); \ |
| | 1221 | affine_render_next(combine_op) \ |
| | 1222 | |
| | 1223 | #define affine_render_rotate(combine_op, alpha_op) \ |
| | 1224 | { \ |
| | 1225 | affine_render_bg_pixel_##combine_op(alpha_op); \ |
| | 1226 | for(i = 0; i < end; i++) \ |
| | 1227 | { \ |
| | 1228 | pixel_x = source_x >> 8; \ |
| | 1229 | pixel_y = source_y >> 8; \ |
| | 1230 | \ |
| | 1231 | if(((u32)pixel_x < (u32)width_height) && \ |
| | 1232 | ((u32)pixel_y < (u32)width_height)) \ |
| | 1233 | { \ |
| | 1234 | break; \ |
| | 1235 | } \ |
| | 1236 | affine_render_bg_##combine_op(alpha_op); \ |
| | 1237 | affine_render_next(combine_op); \ |
| | 1238 | } \ |
| | 1239 | \ |
| | 1240 | for(; i < end; i++) \ |
| | 1241 | { \ |
| | 1242 | pixel_x = source_x >> 8; \ |
| | 1243 | pixel_y = source_y >> 8; \ |
| | 1244 | \ |
| | 1245 | if(((u32)pixel_x >= (u32)width_height) || \ |
| | 1246 | ((u32)pixel_y >= (u32)width_height)) \ |
| | 1247 | { \ |
| | 1248 | affine_render_bg_remainder_##combine_op(alpha_op); \ |
| | 1249 | break; \ |
| | 1250 | } \ |
| | 1251 | \ |
| | 1252 | affine_render_rotate_pixel(combine_op, alpha_op); \ |
| | 1253 | } \ |
| | 1254 | } \ |
| | 1255 | |
| | 1256 | #define affine_render_rotate_wrap(combine_op, alpha_op) \ |
| | 1257 | { \ |
| | 1258 | u32 wrap_mask = width_height - 1; \ |
| | 1259 | for(i = 0; i < end; i++) \ |
| | 1260 | { \ |
| | 1261 | pixel_x = (source_x >> 8) & wrap_mask; \ |
| | 1262 | pixel_y = (source_y >> 8) & wrap_mask; \ |
| | 1263 | \ |
| | 1264 | affine_render_rotate_pixel(combine_op, alpha_op); \ |
| | 1265 | } \ |
| | 1266 | } \ |
| | 1267 | |
| | 1268 | |
| | 1269 | // Build affine background renderers. |
| | 1270 | |
| | 1271 | #define render_scanline_affine_builder(combine_op, alpha_op) \ |
| | 1272 | void render_scanline_affine_##combine_op##_##alpha_op(u32 layer, \ |
| | 1273 | u32 start, u32 end, void *scanline) \ |
| | 1274 | { \ |
| | 1275 | render_scanline_extra_variables_##combine_op##_##alpha_op(affine); \ |
| | 1276 | u32 bg_control = io_registers[REG_BG0CNT + layer]; \ |
| | 1277 | u32 current_pixel; \ |
| | 1278 | s32 source_x, source_y; \ |
| | 1279 | u32 pixel_x, pixel_y; \ |
| | 1280 | u32 layer_offset = (layer - 2) * 8; \ |
| | 1281 | s32 dx, dy; \ |
| | 1282 | u32 map_size = (bg_control >> 14) & 0x03; \ |
| | 1283 | u32 width_height = 1 << (7 + map_size); \ |
| | 1284 | u32 map_pitch = map_size + 4; \ |
| | 1285 | u8 *map_base = vram + (((bg_control >> 8) & 0x1F) * (1024 * 2)); \ |
| | 1286 | u8 *tile_base = vram + (((bg_control >> 2) & 0x03) * (1024 * 16)); \ |
| | 1287 | u8 *tile_ptr = NULL; \ |
| | 1288 | u32 map_offset, last_map_offset = (u32)-1; \ |
| | 1289 | u32 i; \ |
| | 1290 | render_scanline_dest_##alpha_op *dest_ptr = \ |
| | 1291 | ((render_scanline_dest_##alpha_op *)scanline) + start; \ |
| | 1292 | \ |
| | 1293 | dx = (s16)io_registers[REG_BG2PA + layer_offset]; \ |
| | 1294 | dy = (s16)io_registers[REG_BG2PC + layer_offset]; \ |
| | 1295 | source_x = affine_reference_x[layer - 2] + (start * dx); \ |
| | 1296 | source_y = affine_reference_y[layer - 2] + (start * dy); \ |
| | 1297 | \ |
| | 1298 | end -= start; \ |
| | 1299 | \ |
| | 1300 | switch(((bg_control >> 12) & 0x02) | (dy != 0)) \ |
| | 1301 | { \ |
| | 1302 | case 0x00: \ |
| | 1303 | affine_render_scale(combine_op, alpha_op); \ |
| | 1304 | break; \ |
| | 1305 | \ |
| | 1306 | case 0x01: \ |
| | 1307 | affine_render_rotate(combine_op, alpha_op); \ |
| | 1308 | break; \ |
| | 1309 | \ |
| | 1310 | case 0x02: \ |
| | 1311 | affine_render_scale_wrap(combine_op, alpha_op); \ |
| | 1312 | break; \ |
| | 1313 | \ |
| | 1314 | case 0x03: \ |
| | 1315 | affine_render_rotate_wrap(combine_op, alpha_op); \ |
| | 1316 | break; \ |
| | 1317 | } \ |
| | 1318 | } \ |
| | 1319 | |
| | 1320 | render_scanline_affine_builder(base, normal); |
| | 1321 | render_scanline_affine_builder(transparent, normal); |
| | 1322 | render_scanline_affine_builder(base, color16); |
| | 1323 | render_scanline_affine_builder(transparent, color16); |
| | 1324 | render_scanline_affine_builder(base, color32); |
| | 1325 | render_scanline_affine_builder(transparent, color32); |
| | 1326 | render_scanline_affine_builder(base, alpha); |
| | 1327 | render_scanline_affine_builder(transparent, alpha); |
| | 1328 | |
| | 1329 | |
| | 1330 | #define bitmap_render_pixel_mode3(alpha_op) \ |
| | 1331 | convert_palette(current_pixel); \ |
| | 1332 | *dest_ptr = current_pixel \ |
| | 1333 | |
| | 1334 | #define bitmap_render_pixel_mode4(alpha_op) \ |
| | 1335 | tile_expand_base_##alpha_op(0) \ |
| | 1336 | |
| | 1337 | #define bitmap_render_pixel_mode5(alpha_op) \ |
| | 1338 | bitmap_render_pixel_mode3(alpha_op) \ |
| | 1339 | |
| | 1340 | |
| | 1341 | #define bitmap_render_scale(type, alpha_op, width, height) \ |
| | 1342 | pixel_y = (source_y >> 8); \ |
| | 1343 | if((u32)pixel_y < (u32)height) \ |
| | 1344 | { \ |
| | 1345 | pixel_x = (source_x >> 8); \ |
| | 1346 | src_ptr += (pixel_y * width); \ |
| | 1347 | if(dx == 0x100) \ |
| | 1348 | { \ |
| | 1349 | if(pixel_x < 0) \ |
| | 1350 | { \ |
| | 1351 | end += pixel_x; \ |
| | 1352 | dest_ptr -= pixel_x; \ |
| | 1353 | pixel_x = 0; \ |
| | 1354 | } \ |
| | 1355 | else \ |
| | 1356 | \ |
| | 1357 | if(pixel_x > 0) \ |
| | 1358 | { \ |
| | 1359 | src_ptr += pixel_x; \ |
| | 1360 | } \ |
| | 1361 | \ |
| | 1362 | if((pixel_x + end) >= width) \ |
| | 1363 | end = (width - pixel_x); \ |
| | 1364 | \ |
| | 1365 | for(i = 0; (s32)i < (s32)end; i++) \ |
| | 1366 | { \ |
| | 1367 | current_pixel = *src_ptr; \ |
| | 1368 | bitmap_render_pixel_##type(alpha_op); \ |
| | 1369 | src_ptr++; \ |
| | 1370 | dest_ptr++; \ |
| | 1371 | } \ |
| | 1372 | } \ |
| | 1373 | else \ |
| | 1374 | { \ |
| | 1375 | if((u32)(source_y >> 8) < (u32)height) \ |
| | 1376 | { \ |
| | 1377 | for(i = 0; i < end; i++) \ |
| | 1378 | { \ |
| | 1379 | pixel_x = (source_x >> 8); \ |
| | 1380 | \ |
| | 1381 | if((u32)pixel_x < (u32)width) \ |
| | 1382 | break; \ |
| | 1383 | \ |
| | 1384 | source_x += dx; \ |
| | 1385 | dest_ptr++; \ |
| | 1386 | } \ |
| | 1387 | \ |
| | 1388 | for(; i < end; i++) \ |
| | 1389 | { \ |
| | 1390 | pixel_x = (source_x >> 8); \ |
| | 1391 | \ |
| | 1392 | if((u32)pixel_x >= (u32)width) \ |
| | 1393 | break; \ |
| | 1394 | \ |
| | 1395 | current_pixel = src_ptr[pixel_x]; \ |
| | 1396 | bitmap_render_pixel_##type(alpha_op); \ |
| | 1397 | \ |
| | 1398 | source_x += dx; \ |
| | 1399 | dest_ptr++; \ |
| | 1400 | } \ |
| | 1401 | } \ |
| | 1402 | } \ |
| | 1403 | } \ |
| | 1404 | |
| | 1405 | #define bitmap_render_rotate(type, alpha_op, width, height) \ |
| | 1406 | for(i = 0; i < end; i++) \ |
| | 1407 | { \ |
| | 1408 | pixel_x = source_x >> 8; \ |
| | 1409 | pixel_y = source_y >> 8; \ |
| | 1410 | \ |
| | 1411 | if(((u32)pixel_x < (u32)width) && ((u32)pixel_y < (u32)height)) \ |
| | 1412 | break; \ |
| | 1413 | \ |
| | 1414 | source_x += dx; \ |
| | 1415 | source_y += dy; \ |
| | 1416 | dest_ptr++; \ |
| | 1417 | } \ |
| | 1418 | \ |
| | 1419 | for(; i < end; i++) \ |
| | 1420 | { \ |
| | 1421 | pixel_x = (source_x >> 8); \ |
| | 1422 | pixel_y = (source_y >> 8); \ |
| | 1423 | \ |
| | 1424 | if(((u32)pixel_x >= (u32)width) || ((u32)pixel_y >= (u32)height)) \ |
| | 1425 | break; \ |
| | 1426 | \ |
| | 1427 | current_pixel = src_ptr[pixel_x + (pixel_y * width)]; \ |
| | 1428 | bitmap_render_pixel_##type(alpha_op); \ |
| | 1429 | \ |
| | 1430 | source_x += dx; \ |
| | 1431 | source_y += dy; \ |
| | 1432 | dest_ptr++; \ |
| | 1433 | } \ |
| | 1434 | |
| | 1435 | |
| | 1436 | #define render_scanline_vram_setup_mode3() \ |
| | 1437 | u16 *src_ptr = (u16 *)vram \ |
| | 1438 | |
| | 1439 | #define render_scanline_vram_setup_mode5() \ |
| | 1440 | u16 *src_ptr; \ |
| | 1441 | if(io_registers[REG_DISPCNT] & 0x10) \ |
| | 1442 | src_ptr = (u16 *)(vram + 0xA000); \ |
| | 1443 | else \ |
| | 1444 | src_ptr = (u16 *)vram \ |
| | 1445 | |
| | 1446 | |
| | 1447 | #ifdef RENDER_COLOR16_NORMAL |
| | 1448 | |
| | 1449 | #define render_scanline_vram_setup_mode4() \ |
| | 1450 | const u32 pixel_combine = 0; \ |
| | 1451 | u8 *src_ptr; \ |
| | 1452 | if(io_registers[REG_DISPCNT] & 0x10) \ |
| | 1453 | src_ptr = vram + 0xA000; \ |
| | 1454 | else \ |
| | 1455 | src_ptr = vram \ |
| | 1456 | |
| | 1457 | |
| | 1458 | #else |
| | 1459 | |
| | 1460 | #define render_scanline_vram_setup_mode4() \ |
| | 1461 | u16 *palette = palette_ram_converted; \ |
| | 1462 | u8 *src_ptr; \ |
| | 1463 | if(io_registers[REG_DISPCNT] & 0x10) \ |
| | 1464 | src_ptr = vram + 0xA000; \ |
| | 1465 | else \ |
| | 1466 | src_ptr = vram \ |
| | 1467 | |
| | 1468 | #endif |
| | 1469 | |
| | 1470 | |
| | 1471 | |
| | 1472 | // Build bitmap scanline rendering functions. |
| | 1473 | |
| | 1474 | #define render_scanline_bitmap_builder(type, alpha_op, width, height) \ |
| | 1475 | static void render_scanline_bitmap_##type##_##alpha_op(u32 start, u32 end, \ |
| | 1476 | void *scanline) \ |
| | 1477 | { \ |
| | 1478 | u32 current_pixel; \ |
| | 1479 | s32 source_x, source_y; \ |
| | 1480 | s32 pixel_x, pixel_y; \ |
| | 1481 | \ |
| | 1482 | s32 dx = (s16)io_registers[REG_BG2PA]; \ |
| | 1483 | s32 dy = (s16)io_registers[REG_BG2PC]; \ |
| | 1484 | \ |
| | 1485 | u32 i; \ |
| | 1486 | \ |
| | 1487 | render_scanline_dest_##alpha_op *dest_ptr = \ |
| | 1488 | ((render_scanline_dest_##alpha_op *)scanline) + start; \ |
| | 1489 | render_scanline_vram_setup_##type(); \ |
| | 1490 | \ |
| | 1491 | end -= start; \ |
| | 1492 | \ |
| | 1493 | source_x = affine_reference_x[0] + (start * dx); \ |
| | 1494 | source_y = affine_reference_y[0] + (start * dy); \ |
| | 1495 | \ |
| | 1496 | if(dy == 0) \ |
| | 1497 | { \ |
| | 1498 | bitmap_render_scale(type, alpha_op, width, height); \ |
| | 1499 | } \ |
| | 1500 | else \ |
| | 1501 | { \ |
| | 1502 | bitmap_render_rotate(type, alpha_op, width, height); \ |
| | 1503 | } \ |
| | 1504 | } \ |
| | 1505 | |
| | 1506 | render_scanline_bitmap_builder(mode3, normal, 240, 160); |
| | 1507 | render_scanline_bitmap_builder(mode4, normal, 240, 160); |
| | 1508 | render_scanline_bitmap_builder(mode5, normal, 160, 128); |
| | 1509 | |
| | 1510 | |
| | 1511 | // Fill in the renderers for a layer based on the mode type, |
| | 1512 | |
| | 1513 | #define tile_layer_render_functions(type) \ |
| | 1514 | { \ |
| | 1515 | render_scanline_##type##_base_normal, \ |
| | 1516 | render_scanline_##type##_transparent_normal, \ |
| | 1517 | render_scanline_##type##_base_alpha, \ |
| | 1518 | render_scanline_##type##_transparent_alpha, \ |
| | 1519 | render_scanline_##type##_base_color16, \ |
| | 1520 | render_scanline_##type##_transparent_color16, \ |
| | 1521 | render_scanline_##type##_base_color32, \ |
| | 1522 | render_scanline_##type##_transparent_color32 \ |
| | 1523 | } \ |
| | 1524 | |
| | 1525 | |
| | 1526 | // Use if a layer is unsupported for that mode. |
| | 1527 | |
| | 1528 | #define tile_layer_render_null() \ |
| | 1529 | { \ |
| | 1530 | NULL, NULL, NULL, NULL \ |
| | 1531 | } \ |
| | 1532 | |
| | 1533 | #define bitmap_layer_render_functions(type) \ |
| | 1534 | { \ |
| | 1535 | render_scanline_bitmap_##type##_normal \ |
| | 1536 | } \ |
| | 1537 | |
| | 1538 | // Structs containing functions to render the layers for each mode, for |
| | 1539 | // each render type. |
| | 1540 | static const tile_layer_render_struct tile_mode_renderers[3][4] = |
| | 1541 | { |
| | 1542 | { |
| | 1543 | tile_layer_render_functions(text), tile_layer_render_functions(text), |
| | 1544 | tile_layer_render_functions(text), tile_layer_render_functions(text) |
| | 1545 | }, |
| | 1546 | { |
| | 1547 | tile_layer_render_functions(text), tile_layer_render_functions(text), |
| | 1548 | tile_layer_render_functions(affine), tile_layer_render_functions(text) |
| | 1549 | }, |
| | 1550 | { |
| | 1551 | tile_layer_render_functions(text), tile_layer_render_functions(text), |
| | 1552 | tile_layer_render_functions(affine), tile_layer_render_functions(affine) |
| | 1553 | } |
| | 1554 | }; |
| | 1555 | |
| | 1556 | static const bitmap_layer_render_struct bitmap_mode_renderers[3] = |
| | 1557 | { |
| | 1558 | bitmap_layer_render_functions(mode3), |
| | 1559 | bitmap_layer_render_functions(mode4), |
| | 1560 | bitmap_layer_render_functions(mode5) |
| | 1561 | }; |
| | 1562 | |
| | 1563 | |
| | 1564 | #define render_scanline_layer_functions_tile() \ |
| | 1565 | const tile_layer_render_struct *layer_renderers = \ |
| | 1566 | tile_mode_renderers[dispcnt & 0x07] \ |
| | 1567 | |
| | 1568 | #define render_scanline_layer_functions_bitmap() \ |
| | 1569 | const bitmap_layer_render_struct *layer_renderers = \ |
| | 1570 | bitmap_mode_renderers + ((dispcnt & 0x07) - 3) \ |
| | 1571 | |
| | 1572 | |
| | 1573 | // Adjust a flipped obj's starting position |
| | 1574 | |
| | 1575 | #define obj_tile_offset_noflip(color_depth) \ |
| | 1576 | |
| | 1577 | #define obj_tile_offset_flip(color_depth) \ |
| | 1578 | + (tile_size_##color_depth * ((obj_width - 8) / 8)) \ |
| | 1579 | |
| | 1580 | |
| | 1581 | // Adjust the obj's starting point if it goes too far off the left edge of |
| | 1582 | // the screen. |
| | 1583 | |
| | 1584 | #define obj_tile_right_offset_noflip(color_depth) \ |
| | 1585 | tile_ptr += (partial_tile_offset / 8) * tile_size_##color_depth \ |
| | 1586 | |
| | 1587 | #define obj_tile_right_offset_flip(color_depth) \ |
| | 1588 | tile_ptr -= (partial_tile_offset / 8) * tile_size_##color_depth \ |
| | 1589 | |
| | 1590 | // Get the current row offset into an obj in 1D map space |
| | 1591 | |
| | 1592 | #define obj_tile_offset_1D(color_depth, flip_op) \ |
| | 1593 | tile_ptr = tile_base + ((obj_attribute_2 & 0x3FF) * 32) \ |
| | 1594 | + ((vertical_offset / 8) * (obj_width / 8) * tile_size_##color_depth) \ |
| | 1595 | + ((vertical_offset % 8) * tile_width_##color_depth) \ |
| | 1596 | obj_tile_offset_##flip_op(color_depth) \ |
| | 1597 | |
| | 1598 | // Get the current row offset into an obj in 2D map space |
| | 1599 | |
| | 1600 | #define obj_tile_offset_2D(color_depth, flip_op) \ |
| | 1601 | tile_ptr = tile_base + ((obj_attribute_2 & 0x3FF) * 32) \ |
| | 1602 | + ((vertical_offset / 8) * 1024) \ |
| | 1603 | + ((vertical_offset % 8) * tile_width_##color_depth) \ |
| | 1604 | obj_tile_offset_##flip_op(color_depth) \ |
| | 1605 | |
| | 1606 | |
| | 1607 | // Get the palette for 4bpp obj. |
| | 1608 | |
| | 1609 | #define obj_get_palette_4bpp() \ |
| | 1610 | current_palette = (obj_attribute_2 >> 8) & 0xF0 \ |
| | 1611 | |
| | 1612 | #define obj_get_palette_8bpp() \ |
| | 1613 | |
| | 1614 | |
| | 1615 | // Render the current row of an obj. |
| | 1616 | |
| | 1617 | #define obj_render(combine_op, color_depth, alpha_op, map_space, flip_op) \ |
| | 1618 | { \ |
| | 1619 | obj_get_palette_##color_depth(); \ |
| | 1620 | obj_tile_offset_##map_space(color_depth, flip_op); \ |
| | 1621 | \ |
| | 1622 | if(obj_x < (s32)start) \ |
| | 1623 | { \ |
| | 1624 | dest_ptr = scanline + start; \ |
| | 1625 | pixel_run = obj_width - (start - obj_x); \ |
| | 1626 | if((s32)pixel_run > 0) \ |
| | 1627 | { \ |
| | 1628 | if((obj_x + obj_width) >= end) \ |
| | 1629 | { \ |
| | 1630 | pixel_run = end - start; \ |
| | 1631 | partial_tile_offset = start - obj_x; \ |
| | 1632 | obj_tile_right_offset_##flip_op(color_depth); \ |
| | 1633 | partial_tile_offset %= 8; \ |
| | 1634 | \ |
| | 1635 | if(partial_tile_offset) \ |
| | 1636 | { \ |
| | 1637 | partial_tile_run = 8 - partial_tile_offset; \ |
| | 1638 | if((s32)pixel_run < (s32)partial_tile_run) \ |
| | 1639 | { \ |
| | 1640 | if((s32)pixel_run > 0) \ |
| | 1641 | { \ |
| | 1642 | partial_tile_run = pixel_run; \ |
| | 1643 | partial_tile_mid_obj(combine_op, color_depth, alpha_op, \ |
| | 1644 | flip_op); \ |
| | 1645 | } \ |
| | 1646 | continue; \ |
| | 1647 | } \ |
| | 1648 | else \ |
| | 1649 | { \ |
| | 1650 | pixel_run -= partial_tile_run; \ |
| | 1651 | partial_tile_right_obj(combine_op, color_depth, alpha_op, \ |
| | 1652 | flip_op); \ |
| | 1653 | } \ |
| | 1654 | } \ |
| | 1655 | tile_run = pixel_run / 8; \ |
| | 1656 | multiple_tile_obj(combine_op, color_depth, alpha_op, flip_op); \ |
| | 1657 | partial_tile_run = pixel_run % 8; \ |
| | 1658 | if(partial_tile_run) \ |
| | 1659 | { \ |
| | 1660 | partial_tile_left_obj(combine_op, color_depth, alpha_op, \ |
| | 1661 | flip_op); \ |
| | 1662 | } \ |
| | 1663 | } \ |
| | 1664 | else \ |
| | 1665 | { \ |
| | 1666 | partial_tile_offset = start - obj_x; \ |
| | 1667 | obj_tile_right_offset_##flip_op(color_depth); \ |
| | 1668 | partial_tile_offset %= 8; \ |
| | 1669 | if(partial_tile_offset) \ |
| | 1670 | { \ |
| | 1671 | partial_tile_run = 8 - partial_tile_offset; \ |
| | 1672 | partial_tile_right_obj(combine_op, color_depth, alpha_op, \ |
| | 1673 | flip_op); \ |
| | 1674 | } \ |
| | 1675 | tile_run = pixel_run / 8; \ |
| | 1676 | multiple_tile_obj(combine_op, color_depth, alpha_op, flip_op); \ |
| | 1677 | } \ |
| | 1678 | } \ |
| | 1679 | } \ |
| | 1680 | else \ |
| | 1681 | \ |
| | 1682 | if((obj_x + obj_width) >= end) \ |
| | 1683 | { \ |
| | 1684 | pixel_run = end - obj_x; \ |
| | 1685 | if((s32)pixel_run > 0) \ |
| | 1686 | { \ |
| | 1687 | dest_ptr = scanline + obj_x; \ |
| | 1688 | tile_run = pixel_run / 8; \ |
| | 1689 | multiple_tile_obj(combine_op, color_depth, alpha_op, flip_op); \ |
| | 1690 | partial_tile_run = pixel_run % 8; \ |
| | 1691 | if(partial_tile_run) \ |
| | 1692 | { \ |
| | 1693 | partial_tile_left_obj(combine_op, color_depth, alpha_op, flip_op); \ |
| | 1694 | } \ |
| | 1695 | } \ |
| | 1696 | } \ |
| | 1697 | else \ |
| | 1698 | { \ |
| | 1699 | dest_ptr = scanline + obj_x; \ |
| | 1700 | tile_run = obj_width / 8; \ |
| | 1701 | multiple_tile_obj(combine_op, color_depth, alpha_op, flip_op); \ |
| | 1702 | } \ |
| | 1703 | } \ |
| | 1704 | |
| | 1705 | #define obj_scale_offset_1D(color_depth) \ |
| | 1706 | tile_ptr = tile_base + ((obj_attribute_2 & 0x3FF) * 32) \ |
| | 1707 | + ((vertical_offset / 8) * (max_x / 8) * tile_size_##color_depth) \ |
| | 1708 | + ((vertical_offset % 8) * tile_width_##color_depth) \ |
| | 1709 | |
| | 1710 | // Get the current row offset into an obj in 2D map space |
| | 1711 | |
| | 1712 | #define obj_scale_offset_2D(color_depth) \ |
| | 1713 | tile_ptr = tile_base + ((obj_attribute_2 & 0x3FF) * 32) \ |
| | 1714 | + ((vertical_offset / 8) * 1024) \ |
| | 1715 | + ((vertical_offset % 8) * tile_width_##color_depth) \ |
| | 1716 | |
| | 1717 | #define obj_render_scale_pixel_4bpp(combine_op, alpha_op) \ |
| | 1718 | if(tile_x & 0x01) \ |
| | 1719 | { \ |
| | 1720 | current_pixel = tile_ptr[tile_map_offset + ((tile_x >> 1) & 0x03)] >> 4; \ |
| | 1721 | } \ |
| | 1722 | else \ |
| | 1723 | { \ |
| | 1724 | current_pixel = \ |
| | 1725 | tile_ptr[tile_map_offset + ((tile_x >> 1) & 0x03)] & 0x0F; \ |
| | 1726 | } \ |
| | 1727 | \ |
| | 1728 | tile_4bpp_draw_##combine_op(0, none, 0, alpha_op) \ |
| | 1729 | |
| | 1730 | |
| | 1731 | #define obj_render_scale_pixel_8bpp(combine_op, alpha_op) \ |
| | 1732 | current_pixel = tile_ptr[tile_map_offset + (tile_x & 0x07)]; \ |
| | 1733 | tile_8bpp_draw_##combine_op(0, none, 0, alpha_op); \ |
| | 1734 | |
| | 1735 | #define obj_render_scale(combine_op, color_depth, alpha_op, map_space) \ |
| | 1736 | { \ |
| | 1737 | u32 vertical_offset; \ |
| | 1738 | source_y += (y_delta * dmy); \ |
| | 1739 | vertical_offset = (source_y >> 8); \ |
| | 1740 | if((u32)vertical_offset < (u32)max_y) \ |
| | 1741 | { \ |
| | 1742 | obj_scale_offset_##map_space(color_depth); \ |
| | 1743 | source_x += (y_delta * dmx) - (middle_x * dx); \ |
| | 1744 | \ |
| | 1745 | for(i = 0; i < obj_width; i++) \ |
| | 1746 | { \ |
| | 1747 | tile_x = (source_x >> 8); \ |
| | 1748 | \ |
| | 1749 | if((u32)tile_x < (u32)max_x) \ |
| | 1750 | break; \ |
| | 1751 | \ |
| | 1752 | source_x += dx; \ |
| | 1753 | advance_dest_ptr_##combine_op(1); \ |
| | 1754 | } \ |
| | 1755 | \ |
| | 1756 | for(; i < obj_width; i++) \ |
| | 1757 | { \ |
| | 1758 | tile_x = (source_x >> 8); \ |
| | 1759 | \ |
| | 1760 | if((u32)tile_x >= (u32)max_x) \ |
| | 1761 | break; \ |
| | 1762 | \ |
| | 1763 | tile_map_offset = (tile_x >> 3) * tile_size_##color_depth; \ |
| | 1764 | obj_render_scale_pixel_##color_depth(combine_op, alpha_op); \ |
| | 1765 | \ |
| | 1766 | source_x += dx; \ |
| | 1767 | advance_dest_ptr_##combine_op(1); \ |
| | 1768 | } \ |
| | 1769 | } \ |
| | 1770 | } \ |
| | 1771 | |
| | 1772 | |
| | 1773 | #define obj_rotate_offset_1D(color_depth) \ |
| | 1774 | obj_tile_pitch = (max_x / 8) * tile_size_##color_depth \ |
| | 1775 | |
| | 1776 | #define obj_rotate_offset_2D(color_depth) \ |
| | 1777 | obj_tile_pitch = 1024 \ |
| | 1778 | |
| | 1779 | #define obj_render_rotate_pixel_4bpp(combine_op, alpha_op) \ |
| | 1780 | if(tile_x & 0x01) \ |
| | 1781 | { \ |
| | 1782 | current_pixel = tile_ptr[tile_map_offset + \ |
| | 1783 | ((tile_x >> 1) & 0x03) + ((tile_y & 0x07) * obj_pitch)] >> 4; \ |
| | 1784 | } \ |
| | 1785 | else \ |
| | 1786 | { \ |
| | 1787 | current_pixel = tile_ptr[tile_map_offset + \ |
| | 1788 | ((tile_x >> 1) & 0x03) + ((tile_y & 0x07) * obj_pitch)] & 0x0F; \ |
| | 1789 | } \ |
| | 1790 | \ |
| | 1791 | tile_4bpp_draw_##combine_op(0, none, 0, alpha_op) \ |
| | 1792 | |
| | 1793 | #define obj_render_rotate_pixel_8bpp(combine_op, alpha_op) \ |
| | 1794 | current_pixel = tile_ptr[tile_map_offset + \ |
| | 1795 | (tile_x & 0x07) + ((tile_y & 0x07) * obj_pitch)]; \ |
| | 1796 | \ |
| | 1797 | tile_8bpp_draw_##combine_op(0, none, 0, alpha_op) \ |
| | 1798 | |
| | 1799 | #define obj_render_rotate(combine_op, color_depth, alpha_op, map_space) \ |
| | 1800 | { \ |
| | 1801 | tile_ptr = tile_base + ((obj_attribute_2 & 0x3FF) * 32); \ |
| | 1802 | obj_rotate_offset_##map_space(color_depth); \ |
| | 1803 | \ |
| | 1804 | source_x += (y_delta * dmx) - (middle_x * dx); \ |
| | 1805 | source_y += (y_delta * dmy) - (middle_x * dy); \ |
| | 1806 | \ |
| | 1807 | for(i = 0; i < obj_width; i++) \ |
| | 1808 | { \ |
| | 1809 | tile_x = (source_x >> 8); \ |
| | 1810 | tile_y = (source_y >> 8); \ |
| | 1811 | \ |
| | 1812 | if(((u32)tile_x < (u32)max_x) && ((u32)tile_y < (u32)max_y)) \ |
| | 1813 | break; \ |
| | 1814 | \ |
| | 1815 | source_x += dx; \ |
| | 1816 | source_y += dy; \ |
| | 1817 | advance_dest_ptr_##combine_op(1); \ |
| | 1818 | } \ |
| | 1819 | \ |
| | 1820 | for(; i < obj_width; i++) \ |
| | 1821 | { \ |
| | 1822 | tile_x = (source_x >> 8); \ |
| | 1823 | tile_y = (source_y >> 8); \ |
| | 1824 | \ |
| | 1825 | if(((u32)tile_x >= (u32)max_x) || ((u32)tile_y >= (u32)max_y)) \ |
| | 1826 | break; \ |
| | 1827 | \ |
| | 1828 | tile_map_offset = ((tile_x >> 3) * tile_size_##color_depth) + \ |
| | 1829 | ((tile_y >> 3) * obj_tile_pitch); \ |
| | 1830 | obj_render_rotate_pixel_##color_depth(combine_op, alpha_op); \ |
| | 1831 | \ |
| | 1832 | source_x += dx; \ |
| | 1833 | source_y += dy; \ |
| | 1834 | advance_dest_ptr_##combine_op(1); \ |
| | 1835 | } \ |
| | 1836 | } \ |
| | 1837 | |
| | 1838 | // Render the current row of an affine transformed OBJ. |
| | 1839 | |
| | 1840 | #define obj_render_affine(combine_op, color_depth, alpha_op, map_space) \ |
| | 1841 | { \ |
| | 1842 | s16 *params = (s16 *)oam_ram + (((obj_attribute_1 >> 9) & 0x1F) * 16); \ |
| | 1843 | s32 dx = params[3]; \ |
| | 1844 | s32 dmx = params[7]; \ |
| | 1845 | s32 dy = params[11]; \ |
| | 1846 | s32 dmy = params[15]; \ |
| | 1847 | s32 source_x, source_y; \ |
| | 1848 | s32 tile_x, tile_y; \ |
| | 1849 | u32 tile_map_offset; \ |
| | 1850 | s32 middle_x; \ |
| | 1851 | s32 middle_y; \ |
| | 1852 | s32 max_x = obj_width; \ |
| | 1853 | s32 max_y = obj_height; \ |
| | 1854 | s32 y_delta; \ |
| | 1855 | u32 obj_pitch = tile_width_##color_depth; \ |
| | 1856 | u32 obj_tile_pitch; \ |
| | 1857 | \ |
| | 1858 | middle_x = (obj_width / 2); \ |
| | 1859 | middle_y = (obj_height / 2); \ |
| | 1860 | \ |
| | 1861 | source_x = (middle_x << 8); \ |
| | 1862 | source_y = (middle_y << 8); \ |
| | 1863 | \ |
| | 1864 | \ |
| | 1865 | if(obj_attribute_0 & 0x200) \ |
| | 1866 | { \ |
| | 1867 | obj_width *= 2; \ |
| | 1868 | obj_height *= 2; \ |
| | 1869 | middle_x *= 2; \ |
| | 1870 | middle_y *= 2; \ |
| | 1871 | } \ |
| | 1872 | \ |
| | 1873 | if((s32)obj_x < (s32)start) \ |
| | 1874 | { \ |
| | 1875 | u32 x_delta = start - obj_x; \ |
| | 1876 | middle_x -= x_delta; \ |
| | 1877 | obj_width -= x_delta; \ |
| | 1878 | obj_x = start; \ |
| | 1879 | \ |
| | 1880 | if((s32)obj_width <= 0) \ |
| | 1881 | continue; \ |
| | 1882 | } \ |
| | 1883 | \ |
| | 1884 | if((s32)(obj_x + obj_width) >= (s32)end) \ |
| | 1885 | { \ |
| | 1886 | obj_width = end - obj_x; \ |
| | 1887 | \ |
| | 1888 | if((s32)obj_width <= 0) \ |
| | 1889 | continue; \ |
| | 1890 | } \ |
| | 1891 | dest_ptr = scanline + obj_x; \ |
| | 1892 | \ |
| | 1893 | y_delta = vcount - (obj_y + middle_y); \ |
| | 1894 | \ |
| | 1895 | obj_get_palette_##color_depth(); \ |
| | 1896 | \ |
| | 1897 | if(dy == 0) \ |
| | 1898 | { \ |
| | 1899 | obj_render_scale(combine_op, color_depth, alpha_op, map_space); \ |
| | 1900 | } \ |
| | 1901 | else \ |
| | 1902 | { \ |
| | 1903 | obj_render_rotate(combine_op, color_depth, alpha_op, map_space); \ |
| | 1904 | } \ |
| | 1905 | } \ |
| | 1906 | |
| | 1907 | static const u32 obj_width_table[] = |
| | 1908 | { 8, 16, 32, 64, 16, 32, 32, 64, 8, 8, 16, 32 }; |
| | 1909 | static const u32 obj_height_table[] = |
| | 1910 | { 8, 16, 32, 64, 8, 8, 16, 32, 16, 32, 32, 64 }; |
| | 1911 | |
| | 1912 | static u8 obj_priority_list[5][160][128]; |
| | 1913 | static u32 obj_priority_count[5][160]; |
| | 1914 | static u32 obj_alpha_count[160]; |
| | 1915 | |
| | 1916 | |
| | 1917 | // Build obj rendering functions |
| | 1918 | |
| | 1919 | #ifdef RENDER_COLOR16_NORMAL |
| | 1920 | |
| | 1921 | #define render_scanline_obj_extra_variables_normal(bg_type) \ |
| | 1922 | const u32 pixel_combine = (1 << 8) \ |
| | 1923 | |
| | 1924 | #else |
| | 1925 | |
| | 1926 | #define render_scanline_obj_extra_variables_normal(bg_type) \ |
| | 1927 | u16 *palette = palette_ram_converted + 256 \ |
| | 1928 | |
| | 1929 | #endif |
| | 1930 | |
| | 1931 | |
| | 1932 | #define render_scanline_obj_extra_variables_color() \ |
| | 1933 | u32 pixel_combine = color_combine_mask(4) | (1 << 8) \ |
| | 1934 | |
| | 1935 | #define render_scanline_obj_extra_variables_alpha_obj(map_space) \ |
| | 1936 | render_scanline_obj_extra_variables_color(); \ |
| | 1937 | u32 dest; \ |
| | 1938 | if((pixel_combine & 0x00000200) == 0) \ |
| | 1939 | { \ |
| | 1940 | render_scanline_obj_color32_##map_space(priority, start, end, scanline); \ |
| | 1941 | return; \ |
| | 1942 | } \ |
| | 1943 | |
| | 1944 | #define render_scanline_obj_extra_variables_color16(map_space) \ |
| | 1945 | render_scanline_obj_extra_variables_color() \ |
| | 1946 | |
| | 1947 | #define render_scanline_obj_extra_variables_color32(map_space) \ |
| | 1948 | render_scanline_obj_extra_variables_color() \ |
| | 1949 | |
| | 1950 | #define render_scanline_obj_extra_variables_partial_alpha(map_space) \ |
| | 1951 | render_scanline_obj_extra_variables_color(); \ |
| | 1952 | u32 base_pixel_combine = pixel_combine; \ |
| | 1953 | u32 dest \ |
| | 1954 | |
| | 1955 | #define render_scanline_obj_extra_variables_copy(type) \ |
| | 1956 | u32 bldcnt = io_registers[REG_BLDCNT]; \ |
| | 1957 | u32 dispcnt = io_registers[REG_DISPCNT]; \ |
| | 1958 | u32 obj_enable = io_registers[REG_WINOUT] >> 8; \ |
| | 1959 | render_scanline_layer_functions_##type(); \ |
| | 1960 | u32 copy_start, copy_end; \ |
| | 1961 | u16 copy_buffer[240]; \ |
| | 1962 | u16 *copy_ptr \ |
| | 1963 | |
| | 1964 | #define render_scanline_obj_extra_variables_copy_tile(map_space) \ |
| | 1965 | render_scanline_obj_extra_variables_copy(tile) \ |
| | 1966 | |
| | 1967 | #define render_scanline_obj_extra_variables_copy_bitmap(map_space) \ |
| | 1968 | render_scanline_obj_extra_variables_copy(bitmap) \ |
| | 1969 | |
| | 1970 | |
| | 1971 | #define render_scanline_obj_main(combine_op, alpha_op, map_space) \ |
| | 1972 | if(obj_attribute_0 & 0x100) \ |
| | 1973 | { \ |
| | 1974 | if((obj_attribute_0 >> 13) & 0x01) \ |
| | 1975 | { \ |
| | 1976 | obj_render_affine(combine_op, 8bpp, alpha_op, map_space); \ |
| | 1977 | } \ |
| | 1978 | else \ |
| | 1979 | { \ |
| | 1980 | obj_render_affine(combine_op, 4bpp, alpha_op, map_space); \ |
| | 1981 | } \ |
| | 1982 | } \ |
| | 1983 | else \ |
| | 1984 | { \ |
| | 1985 | vertical_offset = vcount - obj_y; \ |
| | 1986 | \ |
| | 1987 | if((obj_attribute_1 >> 13) & 0x01) \ |
| | 1988 | vertical_offset = obj_height - vertical_offset - 1; \ |
| | 1989 | \ |
| | 1990 | switch(((obj_attribute_0 >> 12) & 0x02) | \ |
| | 1991 | ((obj_attribute_1 >> 12) & 0x01)) \ |
| | 1992 | { \ |
| | 1993 | case 0x0: \ |
| | 1994 | obj_render(combine_op, 4bpp, alpha_op, map_space, noflip); \ |
| | 1995 | break; \ |
| | 1996 | \ |
| | 1997 | case 0x1: \ |
| | 1998 | obj_render(combine_op, 4bpp, alpha_op, map_space, flip); \ |
| | 1999 | break; \ |
| | 2000 | \ |
| | 2001 | case 0x2: \ |
| | 2002 | obj_render(combine_op, 8bpp, alpha_op, map_space, noflip); \ |
| | 2003 | break; \ |
| | 2004 | \ |
| | 2005 | case 0x3: \ |
| | 2006 | obj_render(combine_op, 8bpp, alpha_op, map_space, flip); \ |
| | 2007 | break; \ |
| | 2008 | } \ |
| | 2009 | } \ |
| | 2010 | |
| | 2011 | #define render_scanline_obj_no_partial_alpha(combine_op, alpha_op, map_space) \ |
| | 2012 | render_scanline_obj_main(combine_op, alpha_op, map_space) \ |
| | 2013 | |
| | 2014 | #define render_scanline_obj_partial_alpha(combine_op, alpha_op, map_space) \ |
| | 2015 | if((obj_attribute_0 >> 10) & 0x03) \ |
| | 2016 | { \ |
| | 2017 | pixel_combine = 0x00000300; \ |
| | 2018 | render_scanline_obj_main(combine_op, alpha_obj, map_space); \ |
| | 2019 | } \ |
| | 2020 | else \ |
| | 2021 | { \ |
| | 2022 | pixel_combine = base_pixel_combine; \ |
| | 2023 | render_scanline_obj_main(combine_op, color32, map_space); \ |
| | 2024 | } \ |
| | 2025 | |
| | 2026 | #define render_scanline_obj_prologue_transparent(alpha_op) \ |
| | 2027 | |
| | 2028 | #define render_scanline_obj_prologue_copy_body(type) \ |
| | 2029 | copy_start = obj_x; \ |
| | 2030 | if(obj_attribute_0 & 0x200) \ |
| | 2031 | copy_end = obj_x + (obj_width * 2); \ |
| | 2032 | else \ |
| | 2033 | copy_end = obj_x + obj_width; \ |
| | 2034 | \ |
| | 2035 | if(copy_start < start) \ |
| | 2036 | copy_start = start; \ |
| | 2037 | if(copy_end > end) \ |
| | 2038 | copy_end = end; \ |
| | 2039 | \ |
| | 2040 | if((copy_start < end) && (copy_end > start)) \ |
| | 2041 | { \ |
| | 2042 | render_scanline_conditional_##type(copy_start, copy_end, copy_buffer, \ |
| | 2043 | obj_enable, dispcnt, bldcnt, layer_renderers); \ |
| | 2044 | copy_ptr = copy_buffer + copy_start; \ |
| | 2045 | } \ |
| | 2046 | else \ |
| | 2047 | { \ |
| | 2048 | continue; \ |
| | 2049 | } \ |
| | 2050 | |
| | 2051 | #define render_scanline_obj_prologue_copy_tile() \ |
| | 2052 | render_scanline_obj_prologue_copy_body(tile) \ |
| | 2053 | |
| | 2054 | #define render_scanline_obj_prologue_copy_bitmap() \ |
| | 2055 | render_scanline_obj_prologue_copy_body(bitmap) \ |
| | 2056 | |
| | 2057 | #define render_scanline_obj_prologue_copy(alpha_op) \ |
| | 2058 | render_scanline_obj_prologue_##alpha_op() \ |
| | 2059 | |
| | 2060 | |
| | 2061 | #define render_scanline_obj_builder(combine_op, alpha_op, map_space, \ |
| | 2062 | partial_alpha_op) \ |
| | 2063 | static void render_scanline_obj_##alpha_op##_##map_space(u32 priority, \ |
| | 2064 | u32 start, u32 end, render_scanline_dest_##alpha_op *scanline) \ |
| | 2065 | { \ |
| | 2066 | render_scanline_obj_extra_variables_##alpha_op(map_space); \ |
| | 2067 | s32 obj_num, i; \ |
| | 2068 | s32 obj_x, obj_y; \ |
| | 2069 | s32 obj_size; \ |
| | 2070 | s32 obj_width, obj_height; \ |
| | 2071 | u32 obj_attribute_0, obj_attribute_1, obj_attribute_2; \ |
| | 2072 | s32 vcount = io_registers[REG_VCOUNT]; \ |
| | 2073 | u32 tile_run; \ |
| | 2074 | u32 current_pixels; \ |
| | 2075 | u32 current_pixel; \ |
| | 2076 | u32 current_palette; \ |
| | 2077 | u32 vertical_offset; \ |
| | 2078 | u32 partial_tile_run, partial_tile_offset; \ |
| | 2079 | u32 pixel_run; \ |
| | 2080 | u16 *oam_ptr; \ |
| | 2081 | render_scanline_dest_##alpha_op *dest_ptr; \ |
| | 2082 | u8 *tile_base = vram + 0x10000; \ |
| | 2083 | u8 *tile_ptr; \ |
| | 2084 | u32 obj_count = obj_priority_count[priority][vcount]; \ |
| | 2085 | u8 *obj_list = obj_priority_list[priority][vcount]; \ |
| | 2086 | \ |
| | 2087 | for(obj_num = 0; obj_num < obj_count; obj_num++) \ |
| | 2088 | { \ |
| | 2089 | oam_ptr = oam_ram + (obj_list[obj_num] * 4); \ |
| | 2090 | obj_attribute_0 = oam_ptr[0]; \ |
| | 2091 | obj_attribute_1 = oam_ptr[1]; \ |
| | 2092 | obj_attribute_2 = oam_ptr[2]; \ |
| | 2093 | obj_size = ((obj_attribute_0 >> 12) & 0x0C) | (obj_attribute_1 >> 14); \ |
| | 2094 | \ |
| | 2095 | obj_x = (s32)(obj_attribute_1 << 23) >> 23; \ |
| | 2096 | obj_width = obj_width_table[obj_size]; \ |
| | 2097 | \ |
| | 2098 | render_scanline_obj_prologue_##combine_op(alpha_op); \ |
| | 2099 | \ |
| | 2100 | obj_y = obj_attribute_0 & 0xFF; \ |
| | 2101 | \ |
| | 2102 | if(obj_y > 160) \ |
| | 2103 | obj_y -= 256; \ |
| | 2104 | \ |
| | 2105 | obj_height = obj_height_table[obj_size]; \ |
| | 2106 | render_scanline_obj_##partial_alpha_op(combine_op, alpha_op, map_space); \ |
| | 2107 | } \ |
| | 2108 | } \ |
| | 2109 | |
| | 2110 | render_scanline_obj_builder(transparent, normal, 1D, no_partial_alpha); |
| | 2111 | render_scanline_obj_builder(transparent, normal, 2D, no_partial_alpha); |
| | 2112 | render_scanline_obj_builder(transparent, color16, 1D, no_partial_alpha); |
| | 2113 | render_scanline_obj_builder(transparent, color16, 2D, no_partial_alpha); |
| | 2114 | render_scanline_obj_builder(transparent, color32, 1D, no_partial_alpha); |
| | 2115 | render_scanline_obj_builder(transparent, color32, 2D, no_partial_alpha); |
| | 2116 | render_scanline_obj_builder(transparent, alpha_obj, 1D, no_partial_alpha); |
| | 2117 | render_scanline_obj_builder(transparent, alpha_obj, 2D, no_partial_alpha); |
| | 2118 | render_scanline_obj_builder(transparent, partial_alpha, 1D, partial_alpha); |
| | 2119 | render_scanline_obj_builder(transparent, partial_alpha, 2D, partial_alpha); |
| | 2120 | render_scanline_obj_builder(copy, copy_tile, 1D, no_partial_alpha); |
| | 2121 | render_scanline_obj_builder(copy, copy_tile, 2D, no_partial_alpha); |
| | 2122 | render_scanline_obj_builder(copy, copy_bitmap, 1D, no_partial_alpha); |
| | 2123 | render_scanline_obj_builder(copy, copy_bitmap, 2D, no_partial_alpha); |
| | 2124 | |
| | 2125 | |
| | 2126 | |
| | 2127 | static void order_obj(u32 video_mode) |
| | 2128 | { |
| | 2129 | s32 obj_num, priority, row; |
| | 2130 | s32 obj_x, obj_y; |
| | 2131 | s32 obj_size, obj_mode; |
| | 2132 | s32 obj_width, obj_height; |
| | 2133 | u32 obj_priority; |
| | 2134 | u32 obj_attribute_0, obj_attribute_1, obj_attribute_2; |
| | 2135 | u32 current_count; |
| | 2136 | u16 *oam_ptr = oam_ram + 508; |
| | 2137 | |
| | 2138 | for(priority = 0; priority < 5; priority++) |
| | 2139 | { |
| | 2140 | for(row = 0; row < 160; row++) |
| | 2141 | { |
| | 2142 | obj_priority_count[priority][row] = 0; |
| | 2143 | } |
| | 2144 | } |
| | 2145 | |
| | 2146 | for(row = 0; row < 160; row++) |
| | 2147 | { |
| | 2148 | obj_alpha_count[row] = 0; |
| | 2149 | } |
| | 2150 | |
| | 2151 | for(obj_num = 127; obj_num >= 0; obj_num--, oam_ptr -= 4) |
| | 2152 | { |
| | 2153 | obj_attribute_0 = oam_ptr[0]; |
| | 2154 | obj_attribute_2 = oam_ptr[2]; |
| | 2155 | obj_size = obj_attribute_0 & 0xC000; |
| | 2156 | obj_priority = (obj_attribute_2 >> 10) & 0x03; |
| | 2157 | obj_mode = (obj_attribute_0 >> 10) & 0x03; |
| | 2158 | |
| | 2159 | if(((obj_attribute_0 & 0x0300) != 0x0200) && (obj_size != 0xC000) && |
| | 2160 | (obj_mode != 3) && ((video_mode < 3) || |
| | 2161 | ((obj_attribute_2 & 0x3FF) >= 512))) |
| | 2162 | { |
| | 2163 | obj_y = obj_attribute_0 & 0xFF; |
| | 2164 | if(obj_y > 160) |
| | 2165 | obj_y -= 256; |
| | 2166 | |
| | 2167 | obj_attribute_1 = oam_ptr[1]; |
| | 2168 | obj_size = ((obj_size >> 12) & 0x0C) | (obj_attribute_1 >> 14); |
| | 2169 | obj_height = obj_height_table[obj_size]; |
| | 2170 | obj_width = obj_width_table[obj_size]; |
| | 2171 | |
| | 2172 | if(obj_attribute_0 & 0x200) |
| | 2173 | { |
| | 2174 | obj_height *= 2; |
| | 2175 | obj_width *= 2; |
| | 2176 | } |
| | 2177 | |
| | 2178 | if(((obj_y + obj_height) > 0) && (obj_y < 160)) |
| | 2179 | { |
| | 2180 | obj_x = (s32)(obj_attribute_1 << 23) >> 23; |
| | 2181 | |
| | 2182 | if(((obj_x + obj_width) > 0) && (obj_x < 240)) |
| | 2183 | { |
| | 2184 | if(obj_y < 0) |
| | 2185 | { |
| | 2186 | obj_height += obj_y; |
| | 2187 | obj_y = 0; |
| | 2188 | } |
| | 2189 | |
| | 2190 | if((obj_y + obj_height) >= 160) |
| | 2191 | { |
| | 2192 | obj_height = 160 - obj_y; |
| | 2193 | } |
| | 2194 | |
| | 2195 | if(obj_mode == 1) |
| | 2196 | { |
| | 2197 | for(row = obj_y; row < obj_y + obj_height; row++) |
| | 2198 | { |
| | 2199 | current_count = obj_priority_count[obj_priority][row]; |
| | 2200 | obj_priority_list[obj_priority][row][current_count] = obj_num; |
| | 2201 | obj_priority_count[obj_priority][row] = current_count + 1; |
| | 2202 | obj_alpha_count[row]++; |
| | 2203 | } |
| | 2204 | } |
| | 2205 | else |
| | 2206 | { |
| | 2207 | if(obj_mode == 2) |
| | 2208 | { |
| | 2209 | obj_priority = 4; |
| | 2210 | } |
| | 2211 | |
| | 2212 | for(row = obj_y; row < obj_y + obj_height; row++) |
| | 2213 | { |
| | 2214 | current_count = obj_priority_count[obj_priority][row]; |
| | 2215 | obj_priority_list[obj_priority][row][current_count] = obj_num; |
| | 2216 | obj_priority_count[obj_priority][row] = current_count + 1; |
| | 2217 | } |
| | 2218 | } |
| | 2219 | } |
| | 2220 | } |
| | 2221 | } |
| | 2222 | } |
| | 2223 | } |
| | 2224 | |
| | 2225 | u32 layer_order[16]; |
| | 2226 | u32 layer_count; |
| | 2227 | |
| | 2228 | static void order_layers(u32 layer_flags) |
| | 2229 | { |
| | 2230 | s32 priority, layer_number; |
| | 2231 | layer_count = 0; |
| | 2232 | |
| | 2233 | for(priority = 3; priority >= 0; priority--) |
| | 2234 | { |
| | 2235 | for(layer_number = 3; layer_number >= 0; layer_number--) |
| | 2236 | { |
| | 2237 | if(((layer_flags >> layer_number) & 1) && |
| | 2238 | ((io_registers[REG_BG0CNT + layer_number] & 0x03) == priority)) |
| | 2239 | { |
| | 2240 | layer_order[layer_count] = layer_number; |
| | 2241 | layer_count++; |
| | 2242 | } |
| | 2243 | } |
| | 2244 | |
| | 2245 | if((obj_priority_count[priority][io_registers[REG_VCOUNT]] > 0) |
| | 2246 | && (layer_flags & 0x10)) |
| | 2247 | { |
| | 2248 | layer_order[layer_count] = priority | 0x04; |
| | 2249 | layer_count++; |
| | 2250 | } |
| | 2251 | } |
| | 2252 | } |
| | 2253 | |
| | 2254 | #define fill_line(_start, _end) \ |
| | 2255 | u32 i; \ |
| | 2256 | \ |
| | 2257 | for(i = _start; i < _end; i++) \ |
| | 2258 | { \ |
| | 2259 | dest_ptr[i] = color; \ |
| | 2260 | } \ |
| | 2261 | |
| | 2262 | |
| | 2263 | #define fill_line_color_normal() \ |
| | 2264 | color = palette_ram_converted[color] \ |
| | 2265 | |
| | 2266 | #define fill_line_color_alpha() \ |
| | 2267 | |
| | 2268 | #define fill_line_color_color16() \ |
| | 2269 | |
| | 2270 | #define fill_line_color_color32() \ |
| | 2271 | |
| | 2272 | #define fill_line_builder(type) \ |
| | 2273 | static void fill_line_##type(u16 color, render_scanline_dest_##type *dest_ptr,\ |
| | 2274 | u32 start, u32 end) \ |
| | 2275 | { \ |
| | 2276 | fill_line_color_##type(); \ |
| | 2277 | fill_line(start, end); \ |
| | 2278 | } \ |
| | 2279 | |
| | 2280 | fill_line_builder(normal); |
| | 2281 | fill_line_builder(alpha); |
| | 2282 | fill_line_builder(color16); |
| | 2283 | fill_line_builder(color32); |
| | 2284 | |
| | 2285 | |
| | 2286 | // Alpha blend two pixels (pixel_top and pixel_bottom). |
| | 2287 | |
| | 2288 | #define blend_pixel() \ |
| | 2289 | pixel_bottom = palette_ram_converted[(pixel_pair >> 16) & 0x1FF]; \ |
| | 2290 | pixel_bottom = (pixel_bottom | (pixel_bottom << 16)) & 0x07E0F81F; \ |
| | 2291 | pixel_top = ((pixel_top * blend_a) + (pixel_bottom * blend_b)) >> 4 \ |
| | 2292 | |
| | 2293 | |
| | 2294 | // Alpha blend two pixels, allowing for saturation (individual channels > 31). |
| | 2295 | // The operation is optimized towards saturation not occuring. |
| | 2296 | |
| | 2297 | #define blend_saturate_pixel() \ |
| | 2298 | pixel_bottom = palette_ram_converted[(pixel_pair >> 16) & 0x1FF]; \ |
| | 2299 | pixel_bottom = (pixel_bottom | (pixel_bottom << 16)) & 0x07E0F81F; \ |
| | 2300 | pixel_top = ((pixel_top * blend_a) + (pixel_bottom * blend_b)) >> 4; \ |
| | 2301 | if(pixel_top & 0x08010020) \ |
| | 2302 | { \ |
| | 2303 | if(pixel_top & 0x08000000) \ |
| | 2304 | pixel_top |= 0x07E00000; \ |
| | 2305 | \ |
| | 2306 | if(pixel_top & 0x00010000) \ |
| | 2307 | pixel_top |= 0x0000F800; \ |
| | 2308 | \ |
| | 2309 | if(pixel_top & 0x00000020) \ |
| | 2310 | pixel_top |= 0x0000001F; \ |
| | 2311 | } \ |
| | 2312 | |
| | 2313 | #define brighten_pixel() \ |
| | 2314 | pixel_top = upper + ((pixel_top * blend) >> 4); \ |
| | 2315 | |
| | 2316 | #define darken_pixel() \ |
| | 2317 | pixel_top = (pixel_top * blend) >> 4; \ |
| | 2318 | |
| | 2319 | #define effect_condition_alpha \ |
| | 2320 | ((pixel_pair & 0x04000200) == 0x04000200) \ |
| | 2321 | |
| | 2322 | #define effect_condition_fade(pixel_source) \ |
| | 2323 | ((pixel_source & 0x00000200) == 0x00000200) \ |
| | 2324 | |
| | 2325 | #define expand_pixel_no_dest(expand_type, pixel_source) \ |
| | 2326 | pixel_top = (pixel_top | (pixel_top << 16)) & 0x07E0F81F; \ |
| | 2327 | expand_type##_pixel(); \ |
| | 2328 | pixel_top &= 0x07E0F81F; \ |
| | 2329 | pixel_top = (pixel_top >> 16) | pixel_top \ |
| | 2330 | |
| | 2331 | #define expand_pixel(expand_type, pixel_source) \ |
| | 2332 | pixel_top = palette_ram_converted[pixel_source & 0x1FF]; \ |
| | 2333 | expand_pixel_no_dest(expand_type, pixel_source); \ |
| | 2334 | *screen_dest_ptr = pixel_top \ |
| | 2335 | |
| | 2336 | #define expand_loop(expand_type, effect_condition, pixel_source) \ |
| | 2337 | screen_src_ptr += start; \ |
| | 2338 | screen_dest_ptr += start; \ |
| | 2339 | \ |
| | 2340 | end -= start; \ |
| | 2341 | \ |
| | 2342 | for(i = 0; i < end; i++) \ |
| | 2343 | { \ |
| | 2344 | pixel_source = *screen_src_ptr; \ |
| | 2345 | if(effect_condition) \ |
| | 2346 | { \ |
| | 2347 | expand_pixel(expand_type, pixel_source); \ |
| | 2348 | } \ |
| | 2349 | else \ |
| | 2350 | { \ |
| | 2351 | *screen_dest_ptr = \ |
| | 2352 | palette_ram_converted[pixel_source & 0x1FF]; \ |
| | 2353 | } \ |
| | 2354 | \ |
| | 2355 | screen_src_ptr++; \ |
| | 2356 | screen_dest_ptr++; \ |
| | 2357 | } \ |
| | 2358 | |
| | 2359 | |
| | 2360 | #define expand_loop_partial_alpha(alpha_expand, expand_type) \ |
| | 2361 | screen_src_ptr += start; \ |
| | 2362 | screen_dest_ptr += start; \ |
| | 2363 | \ |
| | 2364 | end -= start; \ |
| | 2365 | \ |
| | 2366 | for(i = 0; i < end; i++) \ |
| | 2367 | { \ |
| | 2368 | pixel_pair = *screen_src_ptr; \ |
| | 2369 | if(effect_condition_fade(pixel_pair)) \ |
| | 2370 | { \ |
| | 2371 | if(effect_condition_alpha) \ |
| | 2372 | { \ |
| | 2373 | expand_pixel(alpha_expand, pixel_pair); \ |
| | 2374 | } \ |
| | 2375 | else \ |
| | 2376 | { \ |
| | 2377 | expand_pixel(expand_type, pixel_pair); \ |
| | 2378 | } \ |
| | 2379 | } \ |
| | 2380 | else \ |
| | 2381 | { \ |
| | 2382 | *screen_dest_ptr = \ |
| | 2383 | palette_ram_converted[pixel_pair & 0x1FF]; \ |
| | 2384 | } \ |
| | 2385 | \ |
| | 2386 | screen_src_ptr++; \ |
| | 2387 | screen_dest_ptr++; \ |
| | 2388 | } \ |
| | 2389 | |
| | 2390 | |
| | 2391 | #define expand_partial_alpha(expand_type) \ |
| | 2392 | if((blend_a + blend_b) > 16) \ |
| | 2393 | { \ |
| | 2394 | expand_loop_partial_alpha(blend_saturate, expand_type); \ |
| | 2395 | } \ |
| | 2396 | else \ |
| | 2397 | { \ |
| | 2398 | expand_loop_partial_alpha(blend, expand_type); \ |
| | 2399 | } \ |
| | 2400 | |
| | 2401 | |
| | 2402 | |
| | 2403 | // Blend top two pixels of scanline with each other. |
| | 2404 | |
| | 2405 | #ifdef RENDER_COLOR16_NORMAL |
| | 2406 | |
| | 2407 | #ifndef ARM_ARCH |
| | 2408 | |
| | 2409 | void expand_normal(u16 *screen_ptr, u32 start, u32 end) |
| | 2410 | { |
| | 2411 | u32 i, pixel_source; |
| | 2412 | screen_ptr += start; |
| | 2413 | |
| | 2414 | return; |
| | 2415 | |
| | 2416 | end -= start; |
| | 2417 | |
| | 2418 | for(i = 0; i < end; i++) |
| | 2419 | { |
| | 2420 | pixel_source = *screen_ptr; |
| | 2421 | *screen_ptr = palette_ram_converted[pixel_source]; |
| | 2422 | |
| | 2423 | screen_ptr++; |
| | 2424 | } |
| | 2425 | } |
| | 2426 | |
| | 2427 | #endif |
| | 2428 | |
| | 2429 | #else |
| | 2430 | |
| | 2431 | #define expand_normal(screen_ptr, start, end) |
| | 2432 | |
| | 2433 | #endif |
| | 2434 | |
| | 2435 | |
| | 2436 | void expand_blend(u32 *screen_src_ptr, u16 *screen_dest_ptr, |
| | 2437 | u32 start, u32 end); |
| | 2438 | |
| | 2439 | #ifndef ARM_ARCH |
| | 2440 | |
| | 2441 | void expand_blend(u32 *screen_src_ptr, u16 *screen_dest_ptr, |
| | 2442 | u32 start, u32 end) |
| | 2443 | { |
| | 2444 | u32 pixel_pair; |
| | 2445 | u32 pixel_top, pixel_bottom; |
| | 2446 | u32 bldalpha = io_registers[REG_BLDALPHA]; |
| | 2447 | u32 blend_a = bldalpha & 0x1F; |
| | 2448 | u32 blend_b = (bldalpha >> 8) & 0x1F; |
| | 2449 | u32 i; |
| | 2450 | |
| | 2451 | if(blend_a > 16) |
| | 2452 | blend_a = 16; |
| | 2453 | |
| | 2454 | if(blend_b > 16) |
| | 2455 | blend_b = 16; |
| | 2456 | |
| | 2457 | // The individual colors can saturate over 31, this should be taken |
| | 2458 | // care of in an alternate pass as it incurs a huge additional speedhit. |
| | 2459 | if((blend_a + blend_b) > 16) |
| | 2460 | { |
| | 2461 | expand_loop(blend_saturate, effect_condition_alpha, pixel_pair); |
| | 2462 | } |
| | 2463 | else |
| | 2464 | { |
| | 2465 | expand_loop(blend, effect_condition_alpha, pixel_pair); |
| | 2466 | } |
| | 2467 | } |
| | 2468 | |
| | 2469 | #endif |
| | 2470 | |
| | 2471 | // Blend scanline with white. |
| | 2472 | |
| | 2473 | static void expand_darken(u16 *screen_src_ptr, u16 *screen_dest_ptr, |
| | 2474 | u32 start, u32 end) |
| | 2475 | { |
| | 2476 | u32 pixel_top; |
| | 2477 | s32 blend = 16 - (io_registers[REG_BLDY] & 0x1F); |
| | 2478 | u32 i; |
| | 2479 | |
| | 2480 | if(blend < 0) |
| | 2481 | blend = 0; |
| | 2482 | |
| | 2483 | expand_loop(darken, effect_condition_fade(pixel_top), pixel_top); |
| | 2484 | } |
| | 2485 | |
| | 2486 | |
| | 2487 | // Blend scanline with black. |
| | 2488 | |
| | 2489 | static void expand_brighten(u16 *screen_src_ptr, u16 *screen_dest_ptr, |
| | 2490 | u32 start, u32 end) |
| | 2491 | { |
| | 2492 | u32 pixel_top; |
| | 2493 | u32 blend = io_registers[REG_BLDY] & 0x1F; |
| | 2494 | u32 upper; |
| | 2495 | u32 i; |
| | 2496 | |
| | 2497 | if(blend > 16) |
| | 2498 | blend = 16; |
| | 2499 | |
| | 2500 | upper = ((0x07E0F81F * blend) >> 4) & 0x07E0F81F; |
| | 2501 | blend = 16 - blend; |
| | 2502 | |
| | 2503 | expand_loop(brighten, effect_condition_fade(pixel_top), pixel_top); |
| | 2504 | |
| | 2505 | } |
| | 2506 | |
| | 2507 | |
| | 2508 | // Expand scanline such that if both top and bottom pass it's alpha, |
| | 2509 | // if only top passes it's as specified, and if neither pass it's normal. |
| | 2510 | |
| | 2511 | static void expand_darken_partial_alpha(u32 *screen_src_ptr, u16 *screen_dest_ptr, |
| | 2512 | u32 start, u32 end) |
| | 2513 | { |
| | 2514 | s32 blend = 16 - (io_registers[REG_BLDY] & 0x1F); |
| | 2515 | u32 pixel_pair; |
| | 2516 | u32 pixel_top, pixel_bottom; |
| | 2517 | u32 bldalpha = io_registers[REG_BLDALPHA]; |
| | 2518 | u32 blend_a = bldalpha & 0x1F; |
| | 2519 | u32 blend_b = (bldalpha >> 8) & 0x1F; |
| | 2520 | u32 i; |
| | 2521 | |
| | 2522 | if(blend < 0) |
| | 2523 | blend = 0; |
| | 2524 | |
| | 2525 | if(blend_a > 16) |
| | 2526 | blend_a = 16; |
| | 2527 | |
| | 2528 | if(blend_b > 16) |
| | 2529 | blend_b = 16; |
| | 2530 | |
| | 2531 | expand_partial_alpha(darken); |
| | 2532 | } |
| | 2533 | |
| | 2534 | |
| | 2535 | static void expand_brighten_partial_alpha(u32 *screen_src_ptr, u16 *screen_dest_ptr, |
| | 2536 | u32 start, u32 end) |
| | 2537 | { |
| | 2538 | s32 blend = io_registers[REG_BLDY] & 0x1F; |
| | 2539 | u32 pixel_pair; |
| | 2540 | u32 pixel_top, pixel_bottom; |
| | 2541 | u32 bldalpha = io_registers[REG_BLDALPHA]; |
| | 2542 | u32 blend_a = bldalpha & 0x1F; |
| | 2543 | u32 blend_b = (bldalpha >> 8) & 0x1F; |
| | 2544 | u32 upper; |
| | 2545 | u32 i; |
| | 2546 | |
| | 2547 | if(blend > 16) |
| | 2548 | blend = 16; |
| | 2549 | |
| | 2550 | upper = ((0x07E0F81F * blend) >> 4) & 0x07E0F81F; |
| | 2551 | blend = 16 - blend; |
| | 2552 | |
| | 2553 | if(blend_a > 16) |
| | 2554 | blend_a = 16; |
| | 2555 | |
| | 2556 | if(blend_b > 16) |
| | 2557 | blend_b = 16; |
| | 2558 | |
| | 2559 | expand_partial_alpha(brighten); |
| | 2560 | } |
| | 2561 | |
| | 2562 | |
| | 2563 | // Render an OBJ layer from start to end, depending on the type (1D or 2D) |
| | 2564 | // stored in dispcnt. |
| | 2565 | |
| | 2566 | #define render_obj_layer(type, dest, _start, _end) \ |
| | 2567 | current_layer &= ~0x04; \ |
| | 2568 | if(dispcnt & 0x40) \ |
| | 2569 | render_scanline_obj_##type##_1D(current_layer, _start, _end, dest); \ |
| | 2570 | else \ |
| | 2571 | render_scanline_obj_##type##_2D(current_layer, _start, _end, dest) \ |
| | 2572 | |
| | 2573 | |
| | 2574 | // Render a target all the way with the background color as taken from the |
| | 2575 | // palette. |
| | 2576 | |
| | 2577 | #define fill_line_bg(type, dest, _start, _end) \ |
| | 2578 | fill_line_##type(0, dest, _start, _end) \ |
| | 2579 | |
| | 2580 | |
| | 2581 | // Render all layers as they appear in the layer order. |
| | 2582 | |
| | 2583 | #define render_layers(tile_alpha, obj_alpha, dest) \ |
| | 2584 | { \ |
| | 2585 | current_layer = layer_order[0]; \ |
| | 2586 | if(current_layer & 0x04) \ |
| | 2587 | { \ |
| | 2588 | /* If the first one is OBJ render the background then render it. */ \ |
| | 2589 | fill_line_bg(tile_alpha, dest, 0, 240); \ |
| | 2590 | render_obj_layer(obj_alpha, dest, 0, 240); \ |
| | 2591 | } \ |
| | 2592 | else \ |
| | 2593 | { \ |
| | 2594 | /* Otherwise render a base layer. */ \ |
| | 2595 | layer_renderers[current_layer].tile_alpha##_render_base(current_layer, \ |
| | 2596 | 0, 240, dest); \ |
| | 2597 | } \ |
| | 2598 | \ |
| | 2599 | /* Render the rest of the layers. */ \ |
| | 2600 | for(layer_order_pos = 1; layer_order_pos < layer_count; layer_order_pos++) \ |
| | 2601 | { \ |
| | 2602 | current_layer = layer_order[layer_order_pos]; \ |
| | 2603 | if(current_layer & 0x04) \ |
| | 2604 | { \ |
| | 2605 | render_obj_layer(obj_alpha, dest, 0, 240); \ |
| | 2606 | } \ |
| | 2607 | else \ |
| | 2608 | { \ |
| | 2609 | layer_renderers[current_layer]. \ |
| | 2610 | tile_alpha##_render_transparent(current_layer, 0, 240, dest); \ |
| | 2611 | } \ |
| | 2612 | } \ |
| | 2613 | } \ |
| | 2614 | |
| | 2615 | #define render_condition_alpha \ |
| | 2616 | (((io_registers[REG_BLDALPHA] & 0x1F1F) != 0x001F) && \ |
| | 2617 | ((io_registers[REG_BLDCNT] & 0x3F) != 0) && \ |
| | 2618 | ((io_registers[REG_BLDCNT] & 0x3F00) != 0)) \ |
| | 2619 | |
| | 2620 | #define render_condition_fade \ |
| | 2621 | (((io_registers[REG_BLDY] & 0x1F) != 0) && \ |
| | 2622 | ((io_registers[REG_BLDCNT] & 0x3F) != 0)) \ |
| | 2623 | |
| | 2624 | #define render_layers_color_effect(renderer, layer_condition, \ |
| | 2625 | alpha_condition, fade_condition, _start, _end) \ |
| | 2626 | { \ |
| | 2627 | if(layer_condition) \ |
| | 2628 | { \ |
| | 2629 | if(obj_alpha_count[io_registers[REG_VCOUNT]] > 0) \ |
| | 2630 | { \ |
| | 2631 | /* Render based on special effects mode. */ \ |
| | 2632 | u32 screen_buffer[240]; \ |
| | 2633 | switch((bldcnt >> 6) & 0x03) \ |
| | 2634 | { \ |
| | 2635 | /* Alpha blend */ \ |
| | 2636 | case 0x01: \ |
| | 2637 | { \ |
| | 2638 | if(alpha_condition) \ |
| | 2639 | { \ |
| | 2640 | renderer(alpha, alpha_obj, screen_buffer); \ |
| | 2641 | expand_blend(screen_buffer, scanline, _start, _end); \ |
| | 2642 | return; \ |
| | 2643 | } \ |
| | 2644 | break; \ |
| | 2645 | } \ |
| | 2646 | \ |
| | 2647 | /* Fade to white */ \ |
| | 2648 | case 0x02: \ |
| | 2649 | { \ |
| | 2650 | if(fade_condition) \ |
| | 2651 | { \ |
| | 2652 | renderer(color32, partial_alpha, screen_buffer); \ |
| | 2653 | expand_brighten_partial_alpha(screen_buffer, scanline, \ |
| | 2654 | _start, _end); \ |
| | 2655 | return; \ |
| | 2656 | } \ |
| | 2657 | break; \ |
| | 2658 | } \ |
| | 2659 | \ |
| | 2660 | /* Fade to black */ \ |
| | 2661 | case 0x03: \ |
| | 2662 | { \ |
| | 2663 | if(fade_condition) \ |
| | 2664 | { \ |
| | 2665 | renderer(color32, partial_alpha, screen_buffer); \ |
| | 2666 | expand_darken_partial_alpha(screen_buffer, scanline, \ |
| | 2667 | _start, _end); \ |
| | 2668 | return; \ |
| | 2669 | } \ |
| | 2670 | break; \ |
| | 2671 | } \ |
| | 2672 | } \ |
| | 2673 | \ |
| | 2674 | renderer(color32, partial_alpha, screen_buffer); \ |
| | 2675 | expand_blend(screen_buffer, scanline, _start, _end); \ |
| | 2676 | } \ |
| | 2677 | else \ |
| | 2678 | { \ |
| | 2679 | /* Render based on special effects mode. */ \ |
| | 2680 | switch((bldcnt >> 6) & 0x03) \ |
| | 2681 | { \ |
| | 2682 | /* Alpha blend */ \ |
| | 2683 | case 0x01: \ |
| | 2684 | { \ |
| | 2685 | if(alpha_condition) \ |
| | 2686 | { \ |
| | 2687 | u32 screen_buffer[240]; \ |
| | 2688 | renderer(alpha, alpha_obj, screen_buffer); \ |
| | 2689 | expand_blend(screen_buffer, scanline, _start, _end); \ |
| | 2690 | return; \ |
| | 2691 | } \ |
| | 2692 | break; \ |
| | 2693 | } \ |
| | 2694 | \ |
| | 2695 | /* Fade to white */ \ |
| | 2696 | case 0x02: \ |
| | 2697 | { \ |
| | 2698 | if(fade_condition) \ |
| | 2699 | { \ |
| | 2700 | renderer(color16, color16, scanline); \ |
| | 2701 | expand_brighten(scanline, scanline, _start, _end); \ |
| | 2702 | return; \ |
| | 2703 | } \ |
| | 2704 | break; \ |
| | 2705 | } \ |
| | 2706 | \ |
| | 2707 | /* Fade to black */ \ |
| | 2708 | case 0x03: \ |
| | 2709 | { \ |
| | 2710 | if(fade_condition) \ |
| | 2711 | { \ |
| | 2712 | renderer(color16, color16, scanline); \ |
| | 2713 | expand_darken(scanline, scanline, _start, _end); \ |
| | 2714 | return; \ |
| | 2715 | } \ |
| | 2716 | break; \ |
| | 2717 | } \ |
| | 2718 | } \ |
| | 2719 | \ |
| | 2720 | renderer(normal, normal, scanline); \ |
| | 2721 | expand_normal(scanline, _start, _end); \ |
| | 2722 | } \ |
| | 2723 | } \ |
| | 2724 | else \ |
| | 2725 | { \ |
| | 2726 | u32 pixel_top = palette_ram_converted[0]; \ |
| | 2727 | switch((bldcnt >> 6) & 0x03) \ |
| | 2728 | { \ |
| | 2729 | /* Fade to white */ \ |
| | 2730 | case 0x02: \ |
| | 2731 | { \ |
| | 2732 | if(color_combine_mask_a(5)) \ |
| | 2733 | { \ |
| | 2734 | u32 blend = io_registers[REG_BLDY] & 0x1F; \ |
| | 2735 | u32 upper; \ |
| | 2736 | \ |
| | 2737 | if(blend > 16) \ |
| | 2738 | blend = 16; \ |
| | 2739 | \ |
| | 2740 | upper = ((0x07E0F81F * blend) >> 4) & 0x07E0F81F; \ |
| | 2741 | blend = 16 - blend; \ |
| | 2742 | \ |
| | 2743 | expand_pixel_no_dest(brighten, pixel_top); \ |
| | 2744 | } \ |
| | 2745 | break; \ |
| | 2746 | } \ |
| | 2747 | \ |
| | 2748 | /* Fade to black */ \ |
| | 2749 | case 0x03: \ |
| | 2750 | { \ |
| | 2751 | if(color_combine_mask_a(5)) \ |
| | 2752 | { \ |
| | 2753 | s32 blend = 16 - (io_registers[REG_BLDY] & 0x1F); \ |
| | 2754 | \ |
| | 2755 | if(blend < 0) \ |
| | 2756 | blend = 0; \ |
| | 2757 | \ |
| | 2758 | expand_pixel_no_dest(darken, pixel_top); \ |
| | 2759 | } \ |
| | 2760 | break; \ |
| | 2761 | } \ |
| | 2762 | } \ |
| | 2763 | fill_line_color16(pixel_top, scanline, _start, _end); \ |
| | 2764 | } \ |
| | 2765 | } \ |
| | 2766 | |
| | 2767 | |
| | 2768 | // Renders an entire scanline from 0 to 240, based on current color mode. |
| | 2769 | |
| | 2770 | static void render_scanline_tile(u16 *scanline, u32 dispcnt) |
| | 2771 | { |
| | 2772 | u32 current_layer; |
| | 2773 | u32 layer_order_pos; |
| | 2774 | u32 bldcnt = io_registers[REG_BLDCNT]; |
| | 2775 | render_scanline_layer_functions_tile(); |
| | 2776 | |
| | 2777 | render_layers_color_effect(render_layers, layer_count, |
| | 2778 | render_condition_alpha, render_condition_fade, 0, 240); |
| | 2779 | } |
| | 2780 | |
| | 2781 | static void render_scanline_bitmap(u16 *scanline, u32 dispcnt) |
| | 2782 | { |
| | 2783 | render_scanline_layer_functions_bitmap(); |
| | 2784 | u32 current_layer; |
| | 2785 | u32 layer_order_pos; |
| | 2786 | |
| | 2787 | fill_line_bg(normal, scanline, 0, 240); |
| | 2788 | |
| | 2789 | for(layer_order_pos = 0; layer_order_pos < layer_count; layer_order_pos++) |
| | 2790 | { |
| | 2791 | current_layer = layer_order[layer_order_pos]; |
| | 2792 | if(current_layer & 0x04) |
| | 2793 | { |
| | 2794 | render_obj_layer(normal, scanline, 0, 240); |
| | 2795 | } |
| | 2796 | else |
| | 2797 | { |
| | 2798 | layer_renderers->normal_render(0, 240, scanline); |
| | 2799 | } |
| | 2800 | } |
| | 2801 | } |
| | 2802 | |
| | 2803 | // Render layers from start to end based on if they're allowed in the |
| | 2804 | // enable flags. |
| | 2805 | |
| | 2806 | #define render_layers_conditional(tile_alpha, obj_alpha, dest) \ |
| | 2807 | { \ |
| | 2808 | __label__ skip; \ |
| | 2809 | current_layer = layer_order[layer_order_pos]; \ |
| | 2810 | /* If OBJ aren't enabled skip to the first non-OBJ layer */ \ |
| | 2811 | if(!(enable_flags & 0x10)) \ |
| | 2812 | { \ |
| | 2813 | while((current_layer & 0x04) || !((1 << current_layer) & enable_flags)) \ |
| | 2814 | { \ |
| | 2815 | layer_order_pos++; \ |
| | 2816 | current_layer = layer_order[layer_order_pos]; \ |
| | 2817 | \ |
| | 2818 | /* Oops, ran out of layers, render the background. */ \ |
| | 2819 | if(layer_order_pos == layer_count) \ |
| | 2820 | { \ |
| | 2821 | fill_line_bg(tile_alpha, dest, start, end); \ |
| | 2822 | goto skip; \ |
| | 2823 | } \ |
| | 2824 | } \ |
| | 2825 | \ |
| | 2826 | /* Render the first valid layer */ \ |
| | 2827 | layer_renderers[current_layer].tile_alpha##_render_base(current_layer, \ |
| | 2828 | start, end, dest); \ |
| | 2829 | \ |
| | 2830 | layer_order_pos++; \ |
| | 2831 | \ |
| | 2832 | /* Render the rest of the layers if active, skipping OBJ ones. */ \ |
| | 2833 | for(; layer_order_pos < layer_count; layer_order_pos++) \ |
| | 2834 | { \ |
| | 2835 | current_layer = layer_order[layer_order_pos]; \ |
| | 2836 | if(!(current_layer & 0x04) && ((1 << current_layer) & enable_flags)) \ |
| | 2837 | { \ |
| | 2838 | layer_renderers[current_layer]. \ |
| | 2839 | tile_alpha##_render_transparent(current_layer, start, end, dest); \ |
| | 2840 | } \ |
| | 2841 | } \ |
| | 2842 | } \ |
| | 2843 | else \ |
| | 2844 | { \ |
| | 2845 | /* Find the first active layer, skip all of the inactive ones */ \ |
| | 2846 | while(!((current_layer & 0x04) || ((1 << current_layer) & enable_flags))) \ |
| | 2847 | { \ |
| | 2848 | layer_order_pos++; \ |
| | 2849 | current_layer = layer_order[layer_order_pos]; \ |
| | 2850 | \ |
| | 2851 | /* Oops, ran out of layers, render the background. */ \ |
| | 2852 | if(layer_order_pos == layer_count) \ |
| | 2853 | { \ |
| | 2854 | fill_line_bg(tile_alpha, dest, start, end); \ |
| | 2855 | goto skip; \ |
| | 2856 | } \ |
| | 2857 | } \ |
| | 2858 | \ |
| | 2859 | if(current_layer & 0x04) \ |
| | 2860 | { \ |
| | 2861 | /* If the first one is OBJ render the background then render it. */ \ |
| | 2862 | fill_line_bg(tile_alpha, dest, start, end); \ |
| | 2863 | render_obj_layer(obj_alpha, dest, start, end); \ |
| | 2864 | } \ |
| | 2865 | else \ |
| | 2866 | { \ |
| | 2867 | /* Otherwise render a base layer. */ \ |
| | 2868 | layer_renderers[current_layer]. \ |
| | 2869 | tile_alpha##_render_base(current_layer, start, end, dest); \ |
| | 2870 | } \ |
| | 2871 | \ |
| | 2872 | layer_order_pos++; \ |
| | 2873 | \ |
| | 2874 | /* Render the rest of the layers. */ \ |
| | 2875 | for(; layer_order_pos < layer_count; layer_order_pos++) \ |
| | 2876 | { \ |
| | 2877 | current_layer = layer_order[layer_order_pos]; \ |
| | 2878 | if(current_layer & 0x04) \ |
| | 2879 | { \ |
| | 2880 | render_obj_layer(obj_alpha, dest, start, end); \ |
| | 2881 | } \ |
| | 2882 | else \ |
| | 2883 | { \ |
| | 2884 | if(enable_flags & (1 << current_layer)) \ |
| | 2885 | { \ |
| | 2886 | layer_renderers[current_layer]. \ |
| | 2887 | tile_alpha##_render_transparent(current_layer, start, end, dest); \ |
| | 2888 | } \ |
| | 2889 | } \ |
| | 2890 | } \ |
| | 2891 | } \ |
| | 2892 | \ |
| | 2893 | skip: \ |
| | 2894 | ; \ |
| | 2895 | } \ |
| | 2896 | |
| | 2897 | |
| | 2898 | // Render all of the BG and OBJ in a tiled scanline from start to end ONLY if |
| | 2899 | // enable_flag allows that layer/OBJ. Also conditionally render color effects. |
| | 2900 | |
| | 2901 | static void render_scanline_conditional_tile(u32 start, u32 end, u16 *scanline, |
| | 2902 | u32 enable_flags, u32 dispcnt, u32 bldcnt, const tile_layer_render_struct |
| | 2903 | *layer_renderers) |
| | 2904 | { |
| | 2905 | u32 current_layer; |
| | 2906 | u32 layer_order_pos = 0; |
| | 2907 | |
| | 2908 | render_layers_color_effect(render_layers_conditional, |
| | 2909 | (layer_count && (enable_flags & 0x1F)), |
| | 2910 | ((enable_flags & 0x20) && render_condition_alpha), |
| | 2911 | ((enable_flags & 0x20) && render_condition_fade), start, end); |
| | 2912 | } |
| | 2913 | |
| | 2914 | |
| | 2915 | // Render the BG and OBJ in a bitmap scanline from start to end ONLY if |
| | 2916 | // enable_flag allows that layer/OBJ. Also conditionally render color effects. |
| | 2917 | |
| | 2918 | static void render_scanline_conditional_bitmap(u32 start, u32 end, u16 *scanline, |
| | 2919 | u32 enable_flags, u32 dispcnt, u32 bldcnt, const bitmap_layer_render_struct |
| | 2920 | *layer_renderers) |
| | 2921 | { |
| | 2922 | u32 current_layer; |
| | 2923 | u32 layer_order_pos; |
| | 2924 | |
| | 2925 | fill_line_bg(normal, scanline, start, end); |
| | 2926 | |
| | 2927 | for(layer_order_pos = 0; layer_order_pos < layer_count; layer_order_pos++) |
| | 2928 | { |
| | 2929 | current_layer = layer_order[layer_order_pos]; |
| | 2930 | if(current_layer & 0x04) |
| | 2931 | { |
| | 2932 | if(enable_flags & 0x10) |
| | 2933 | { |
| | 2934 | render_obj_layer(normal, scanline, start, end); |
| | 2935 | } |
| | 2936 | } |
| | 2937 | else |
| | 2938 | { |
| | 2939 | if(enable_flags & 0x04) |
| | 2940 | layer_renderers->normal_render(start, end, scanline); |
| | 2941 | } |
| | 2942 | } |
| | 2943 | } |
| | 2944 | |
| | 2945 | |
| | 2946 | #define window_x_coords(window_number) \ |
| | 2947 | window_##window_number##_x1 = \ |
| | 2948 | io_registers[REG_WIN##window_number##H] >> 8; \ |
| | 2949 | window_##window_number##_x2 = \ |
| | 2950 | io_registers[REG_WIN##window_number##H] & 0xFF; \ |
| | 2951 | window_##window_number##_enable = \ |
| | 2952 | (winin >> (window_number * 8)) & 0x3F; \ |
| | 2953 | \ |
| | 2954 | if(window_##window_number##_x1 > 240) \ |
| | 2955 | window_##window_number##_x1 = 240; \ |
| | 2956 | \ |
| | 2957 | if(window_##window_number##_x2 > 240) \ |
| | 2958 | window_##window_number##_x2 = 240 \ |
| | 2959 | |
| | 2960 | #define window_coords(window_number) \ |
| | 2961 | u32 window_##window_number##_x1, window_##window_number##_x2; \ |
| | 2962 | u32 window_##window_number##_y1, window_##window_number##_y2; \ |
| | 2963 | u32 window_##window_number##_enable = 0; \ |
| | 2964 | window_##window_number##_y1 = \ |
| | 2965 | io_registers[REG_WIN##window_number##V] >> 8; \ |
| | 2966 | window_##window_number##_y2 = \ |
| | 2967 | io_registers[REG_WIN##window_number##V] & 0xFF; \ |
| | 2968 | \ |
| | 2969 | if(window_##window_number##_y1 > window_##window_number##_y2) \ |
| | 2970 | { \ |
| | 2971 | if((((vcount <= window_##window_number##_y2) || \ |
| | 2972 | (vcount > window_##window_number##_y1)) || \ |
| | 2973 | (window_##window_number##_y2 > 227)) && \ |
| | 2974 | (window_##window_number##_y1 <= 227)) \ |
| | 2975 | { \ |
| | 2976 | window_x_coords(window_number); \ |
| | 2977 | } \ |
| | 2978 | else \ |
| | 2979 | { \ |
| | 2980 | window_##window_number##_x1 = 240; \ |
| | 2981 | window_##window_number##_x2 = 240; \ |
| | 2982 | } \ |
| | 2983 | } \ |
| | 2984 | else \ |
| | 2985 | { \ |
| | 2986 | if((((vcount >= window_##window_number##_y1) && \ |
| | 2987 | (vcount < window_##window_number##_y2)) || \ |
| | 2988 | (window_##window_number##_y2 > 227)) && \ |
| | 2989 | (window_##window_number##_y1 <= 227)) \ |
| | 2990 | { \ |
| | 2991 | window_x_coords(window_number); \ |
| | 2992 | } \ |
| | 2993 | else \ |
| | 2994 | { \ |
| | 2995 | window_##window_number##_x1 = 240; \ |
| | 2996 | window_##window_number##_x2 = 240; \ |
| | 2997 | } \ |
| | 2998 | } \ |
| | 2999 | |
| | 3000 | #define render_window_segment(type, start, end, window_type) \ |
| | 3001 | if(start != end) \ |
| | 3002 | { \ |
| | 3003 | render_scanline_conditional_##type(start, end, scanline, \ |
| | 3004 | window_##window_type##_enable, dispcnt, bldcnt, layer_renderers); \ |
| | 3005 | } \ |
| | 3006 | |
| | 3007 | #define render_window_segment_unequal(type, start, end, window_type) \ |
| | 3008 | render_scanline_conditional_##type(start, end, scanline, \ |
| | 3009 | window_##window_type##_enable, dispcnt, bldcnt, layer_renderers) \ |
| | 3010 | |
| | 3011 | #define render_window_segment_clip(type, clip_start, clip_end, start, end, \ |
| | 3012 | window_type) \ |
| | 3013 | { \ |
| | 3014 | if(start != end) \ |
| | 3015 | { \ |
| | 3016 | if(start < clip_start) \ |
| | 3017 | { \ |
| | 3018 | if(end > clip_start) \ |
| | 3019 | { \ |
| | 3020 | if(end > clip_end) \ |
| | 3021 | { \ |
| | 3022 | render_window_segment_unequal(type, clip_start, clip_end, \ |
| | 3023 | window_type); \ |
| | 3024 | } \ |
| | 3025 | else \ |
| | 3026 | { \ |
| | 3027 | render_window_segment_unequal(type, clip_start, end, window_type); \ |
| | 3028 | } \ |
| | 3029 | } \ |
| | 3030 | } \ |
| | 3031 | else \ |
| | 3032 | \ |
| | 3033 | if(end > clip_end) \ |
| | 3034 | { \ |
| | 3035 | if(start < clip_end) \ |
| | 3036 | render_window_segment_unequal(type, start, clip_end, window_type); \ |
| | 3037 | } \ |
| | 3038 | else \ |
| | 3039 | { \ |
| | 3040 | render_window_segment_unequal(type, start, end, window_type); \ |
| | 3041 | } \ |
| | 3042 | } \ |
| | 3043 | } \ |
| | 3044 | |
| | 3045 | #define render_window_clip_1(type, start, end) \ |
| | 3046 | if(window_1_x1 != 240) \ |
| | 3047 | { \ |
| | 3048 | if(window_1_x1 > window_1_x2) \ |
| | 3049 | { \ |
| | 3050 | render_window_segment_clip(type, start, end, 0, window_1_x2, 1); \ |
| | 3051 | render_window_segment_clip(type, start, end, window_1_x2, window_1_x1, \ |
| | 3052 | out); \ |
| | 3053 | render_window_segment_clip(type, start, end, window_1_x1, 240, 1); \ |
| | 3054 | } \ |
| | 3055 | else \ |
| | 3056 | { \ |
| | 3057 | render_window_segment_clip(type, start, end, 0, window_1_x1, out); \ |
| | 3058 | render_window_segment_clip(type, start, end, window_1_x1, window_1_x2, \ |
| | 3059 | 1); \ |
| | 3060 | render_window_segment_clip(type, start, end, window_1_x2, 240, out); \ |
| | 3061 | } \ |
| | 3062 | } \ |
| | 3063 | else \ |
| | 3064 | { \ |
| | 3065 | render_window_segment(type, start, end, out); \ |
| | 3066 | } \ |
| | 3067 | |
| | 3068 | #define render_window_clip_obj(type, start, end); \ |
| | 3069 | render_window_segment(type, start, end, out); \ |
| | 3070 | if(dispcnt & 0x40) \ |
| | 3071 | render_scanline_obj_copy_##type##_1D(4, start, end, scanline); \ |
| | 3072 | else \ |
| | 3073 | render_scanline_obj_copy_##type##_2D(4, start, end, scanline) \ |
| | 3074 | |
| | 3075 | |
| | 3076 | #define render_window_segment_clip_obj(type, clip_start, clip_end, start, \ |
| | 3077 | end) \ |
| | 3078 | { \ |
| | 3079 | if(start != end) \ |
| | 3080 | { \ |
| | 3081 | if(start < clip_start) \ |
| | 3082 | { \ |
| | 3083 | if(end > clip_start) \ |
| | 3084 | { \ |
| | 3085 | if(end > clip_end) \ |
| | 3086 | { \ |
| | 3087 | render_window_clip_obj(type, clip_start, clip_end); \ |
| | 3088 | } \ |
| | 3089 | else \ |
| | 3090 | { \ |
| | 3091 | render_window_clip_obj(type, clip_start, end); \ |
| | 3092 | } \ |
| | 3093 | } \ |
| | 3094 | } \ |
| | 3095 | else \ |
| | 3096 | \ |
| | 3097 | if(end > clip_end) \ |
| | 3098 | { \ |
| | 3099 | if(start < clip_end) \ |
| | 3100 | { \ |
| | 3101 | render_window_clip_obj(type, start, clip_end); \ |
| | 3102 | } \ |
| | 3103 | } \ |
| | 3104 | else \ |
| | 3105 | { \ |
| | 3106 | render_window_clip_obj(type, start, end); \ |
| | 3107 | } \ |
| | 3108 | } \ |
| | 3109 | } \ |
| | 3110 | |
| | 3111 | |
| | 3112 | #define render_window_clip_1_obj(type, start, end) \ |
| | 3113 | if(window_1_x1 != 240) \ |
| | 3114 | { \ |
| | 3115 | if(window_1_x1 > window_1_x2) \ |
| | 3116 | { \ |
| | 3117 | render_window_segment_clip(type, start, end, 0, window_1_x2, 1); \ |
| | 3118 | render_window_segment_clip_obj(type, start, end, window_1_x2, \ |
| | 3119 | window_1_x1); \ |
| | 3120 | render_window_segment_clip(type, start, end, window_1_x1, 240, 1); \ |
| | 3121 | } \ |
| | 3122 | else \ |
| | 3123 | { \ |
| | 3124 | render_window_segment_clip_obj(type, start, end, 0, window_1_x1); \ |
| | 3125 | render_window_segment_clip(type, start, end, window_1_x1, window_1_x2, \ |
| | 3126 | 1); \ |
| | 3127 | render_window_segment_clip_obj(type, start, end, window_1_x2, 240); \ |
| | 3128 | } \ |
| | 3129 | } \ |
| | 3130 | else \ |
| | 3131 | { \ |
| | 3132 | render_window_clip_obj(type, start, end); \ |
| | 3133 | } \ |
| | 3134 | |
| | 3135 | |
| | 3136 | |
| | 3137 | #define render_window_single(type, window_number) \ |
| | 3138 | u32 winin = io_registers[REG_WININ]; \ |
| | 3139 | window_coords(window_number); \ |
| | 3140 | if(window_##window_number##_x1 > window_##window_number##_x2) \ |
| | 3141 | { \ |
| | 3142 | render_window_segment(type, 0, window_##window_number##_x2, \ |
| | 3143 | window_number); \ |
| | 3144 | render_window_segment(type, window_##window_number##_x2, \ |
| | 3145 | window_##window_number##_x1, out); \ |
| | 3146 | render_window_segment(type, window_##window_number##_x1, 240, \ |
| | 3147 | window_number); \ |
| | 3148 | } \ |
| | 3149 | else \ |
| | 3150 | { \ |
| | 3151 | render_window_segment(type, 0, window_##window_number##_x1, out); \ |
| | 3152 | render_window_segment(type, window_##window_number##_x1, \ |
| | 3153 | window_##window_number##_x2, window_number); \ |
| | 3154 | render_window_segment(type, window_##window_number##_x2, 240, out); \ |
| | 3155 | } \ |
| | 3156 | |
| | 3157 | #define render_window_multi(type, front, back) \ |
| | 3158 | if(window_##front##_x1 > window_##front##_x2) \ |
| | 3159 | { \ |
| | 3160 | render_window_segment(type, 0, window_##front##_x2, front); \ |
| | 3161 | render_window_clip_##back(type, window_##front##_x2, \ |
| | 3162 | window_##front##_x1); \ |
| | 3163 | render_window_segment(type, window_##front##_x1, 240, front); \ |
| | 3164 | } \ |
| | 3165 | else \ |
| | 3166 | { \ |
| | 3167 | render_window_clip_##back(type, 0, window_##front##_x1); \ |
| | 3168 | render_window_segment(type, window_##front##_x1, window_##front##_x2, \ |
| | 3169 | front); \ |
| | 3170 | render_window_clip_##back(type, window_##front##_x2, 240); \ |
| | 3171 | } \ |
| | 3172 | |
| | 3173 | #define render_scanline_window_builder(type) \ |
| | 3174 | static void render_scanline_window_##type(u16 *scanline, u32 dispcnt) \ |
| | 3175 | { \ |
| | 3176 | u32 vcount = io_registers[REG_VCOUNT]; \ |
| | 3177 | u32 winout = io_registers[REG_WINOUT]; \ |
| | 3178 | u32 bldcnt = io_registers[REG_BLDCNT]; \ |
| | 3179 | u32 window_out_enable = winout & 0x3F; \ |
| | 3180 | \ |
| | 3181 | render_scanline_layer_functions_##type(); \ |
| | 3182 | \ |
| | 3183 | switch(dispcnt >> 13) \ |
| | 3184 | { \ |
| | 3185 | /* Just window 0 */ \ |
| | 3186 | case 0x01: \ |
| | 3187 | { \ |
| | 3188 | render_window_single(type, 0); \ |
| | 3189 | break; \ |
| | 3190 | } \ |
| | 3191 | \ |
| | 3192 | /* Just window 1 */ \ |
| | 3193 | case 0x02: \ |
| | 3194 | { \ |
| | 3195 | render_window_single(type, 1); \ |
| | 3196 | break; \ |
| | 3197 | } \ |
| | 3198 | \ |
| | 3199 | /* Windows 1 and 2 */ \ |
| | 3200 | case 0x03: \ |
| | 3201 | { \ |
| | 3202 | u32 winin = io_registers[REG_WININ]; \ |
| | 3203 | window_coords(0); \ |
| | 3204 | window_coords(1); \ |
| | 3205 | render_window_multi(type, 0, 1); \ |
| | 3206 | break; \ |
| | 3207 | } \ |
| | 3208 | \ |
| | 3209 | /* Just OBJ windows */ \ |
| | 3210 | case 0x04: \ |
| | 3211 | { \ |
| | 3212 | render_window_clip_obj(type, 0, 240); \ |
| | 3213 | break; \ |
| | 3214 | } \ |
| | 3215 | \ |
| | 3216 | /* Window 0 and OBJ window */ \ |
| | 3217 | case 0x05: \ |
| | 3218 | { \ |
| | 3219 | u32 winin = io_registers[REG_WININ]; \ |
| | 3220 | window_coords(0); \ |
| | 3221 | render_window_multi(type, 0, obj); \ |
| | 3222 | break; \ |
| | 3223 | } \ |
| | 3224 | \ |
| | 3225 | /* Window 1 and OBJ window */ \ |
| | 3226 | case 0x06: \ |
| | 3227 | { \ |
| | 3228 | u32 winin = io_registers[REG_WININ]; \ |
| | 3229 | window_coords(1); \ |
| | 3230 | render_window_multi(type, 1, obj); \ |
| | 3231 | break; \ |
| | 3232 | } \ |
| | 3233 | \ |
| | 3234 | /* Window 0, 1, and OBJ window */ \ |
| | 3235 | case 0x07: \ |
| | 3236 | { \ |
| | 3237 | u32 winin = io_registers[REG_WININ]; \ |
| | 3238 | window_coords(0); \ |
| | 3239 | window_coords(1); \ |
| | 3240 | render_window_multi(type, 0, 1_obj); \ |
| | 3241 | break; \ |
| | 3242 | } \ |
| | 3243 | } \ |
| | 3244 | } \ |
| | 3245 | |
| | 3246 | render_scanline_window_builder(tile); |
| | 3247 | render_scanline_window_builder(bitmap); |
| | 3248 | |
| | 3249 | static const u32 active_layers[6] = { 0x1F, 0x17, 0x1C, 0x14, 0x14, 0x14 }; |
| | 3250 | |
| | 3251 | u32 small_resolution_width = 240; |
| | 3252 | u32 small_resolution_height = 160; |
| | 3253 | u32 resolution_width, resolution_height; |
| | 3254 | |
| | 3255 | void update_scanline() |
| | 3256 | { |
| | 3257 | u32 pitch = get_screen_pitch(); |
| | 3258 | u32 dispcnt = io_registers[REG_DISPCNT]; |
| | 3259 | u32 vcount = io_registers[REG_VCOUNT]; |
| | 3260 | u16 *screen_offset = get_screen_pixels() + (vcount * pitch); |
| | 3261 | u32 video_mode = dispcnt & 0x07; |
| | 3262 | |
| | 3263 | // If OAM has been modified since the last scanline has been updated then |
| | 3264 | // reorder and reprofile the OBJ lists. |
| | 3265 | if(oam_update) |
| | 3266 | { |
| | 3267 | order_obj(video_mode); |
| | 3268 | oam_update = 0; |
| | 3269 | } |
| | 3270 | |
| | 3271 | order_layers((dispcnt >> 8) & active_layers[video_mode]); |
| | 3272 | |
| | 3273 | if(skip_next_frame) |
| | 3274 | return; |
| | 3275 | |
| | 3276 | #ifdef WIZ_BUILD |
| | 3277 | if (screen_scale == unscaled_rot || screen_scale == scaled_aspect_rot) |
| | 3278 | { |
| | 3279 | if (rot_line_count == rot_lines_total) |
| | 3280 | { |
| | 3281 | rot_line_count = 0; |
| | 3282 | if (vcount - rot_lines_total < FONT_HEIGHT && rot_msg_buff[0]) |
| | 3283 | { |
| | 3284 | print_string_ext(rot_msg_buff, 0xFFFF, 0x0000, 0, 0, |
| | 3285 | rot_buffer, 240, 0, vcount - rot_lines_total, rot_lines_total); |
| | 3286 | if (vcount >= FONT_HEIGHT) |
| | 3287 | rot_msg_buff[0] = 0; |
| | 3288 | } |
| | 3289 | if (screen_scale == unscaled_rot) |
| | 3290 | do_rotated_blit(gpsp_gp2x_screen, rot_buffer, vcount); |
| | 3291 | else |
| | 3292 | upscale_aspect_row(gpsp_gp2x_screen, rot_buffer, vcount/3); |
| | 3293 | } |
| | 3294 | screen_offset = &rot_buffer[rot_line_count++ * 240]; |
| | 3295 | } |
| | 3296 | #endif |
| | 3297 | |
| | 3298 | // If the screen is in in forced blank draw pure white. |
| | 3299 | if(dispcnt & 0x80) |
| | 3300 | { |
| | 3301 | fill_line_color16(0xFFFF, screen_offset, 0, 240); |
| | 3302 | } |
| | 3303 | else |
| | 3304 | { |
| | 3305 | if(video_mode < 3) |
| | 3306 | { |
| | 3307 | if(dispcnt >> 13) |
| | 3308 | { |
| | 3309 | render_scanline_window_tile(screen_offset, dispcnt); |
| | 3310 | } |
| | 3311 | else |
| | 3312 | { |
| | 3313 | render_scanline_tile(screen_offset, dispcnt); |
| | 3314 | } |
| | 3315 | } |
| | 3316 | else |
| | 3317 | { |
| | 3318 | if(dispcnt >> 13) |
| | 3319 | render_scanline_window_bitmap(screen_offset, dispcnt); |
| | 3320 | else |
| | 3321 | render_scanline_bitmap(screen_offset, dispcnt); |
| | 3322 | } |
| | 3323 | } |
| | 3324 | |
| | 3325 | affine_reference_x[0] += (s16)io_registers[REG_BG2PB]; |
| | 3326 | affine_reference_y[0] += (s16)io_registers[REG_BG2PD]; |
| | 3327 | affine_reference_x[1] += (s16)io_registers[REG_BG3PB]; |
| | 3328 | affine_reference_y[1] += (s16)io_registers[REG_BG3PD]; |
| | 3329 | } |
| | 3330 | |
| | 3331 | #ifdef PSP_BUILD |
| | 3332 | |
| | 3333 | u32 screen_flip = 0; |
| | 3334 | |
| | 3335 | void flip_screen() |
| | 3336 | { |
| | 3337 | if(video_direct == 0) |
| | 3338 | { |
| | 3339 | u32 *old_ge_cmd_ptr = ge_cmd_ptr; |
| | 3340 | sceKernelDcacheWritebackAll(); |
| | 3341 | |
| | 3342 | // Render the current screen |
| | 3343 | ge_cmd_ptr = ge_cmd + 2; |
| | 3344 | GE_CMD(TBP0, ((u32)screen_pixels & 0x00FFFFFF)); |
| | 3345 | GE_CMD(TBW0, (((u32)screen_pixels & 0xFF000000) >> 8) | |
| | 3346 | GBA_SCREEN_WIDTH); |
| | 3347 | ge_cmd_ptr = old_ge_cmd_ptr; |
| | 3348 | |
| | 3349 | sceGeListEnQueue(ge_cmd, ge_cmd_ptr, gecbid, NULL); |
| | 3350 | |
| | 3351 | // Flip to the next screen |
| | 3352 | screen_flip ^= 1; |
| | 3353 | |
| | 3354 | if(screen_flip) |
| | 3355 | screen_pixels = screen_texture + (240 * 160 * 2); |
| | 3356 | else |
| | 3357 | screen_pixels = screen_texture; |
| | 3358 | } |
| | 3359 | } |
| | 3360 | |
| | 3361 | #elif defined(POLLUX_BUILD) |
| | 3362 | |
| | 3363 | void flip_screen() |
| | 3364 | { |
| | 3365 | if((resolution_width == small_resolution_width) && |
| | 3366 | (resolution_height == small_resolution_height)) |
| | 3367 | { |
| | 3368 | switch(screen_scale) |
| | 3369 | { |
| | 3370 | case unscaled: |
| | 3371 | break; |
| | 3372 | case scaled_aspect: |
| | 3373 | upscale_aspect(gpsp_gp2x_screen, screen_pixels); |
| | 3374 | break; |
| | 3375 | case unscaled_rot: |
| | 3376 | do_rotated_blit(gpsp_gp2x_screen, rot_buffer, 160); |
| | 3377 | rot_line_count = 0; |
| | 3378 | goto no_clean; |
| | 3379 | case scaled_aspect_rot: |
| | 3380 | rot_line_count = 0; |
| | 3381 | goto no_clean; |
| | 3382 | } |
| | 3383 | } |
| | 3384 | warm_cache_op_all(WOP_D_CLEAN); |
| | 3385 | |
| | 3386 | no_clean: |
| | 3387 | pollux_video_flip(); |
| | 3388 | screen_pixels = (u16 *)gpsp_gp2x_screen + screen_offset; |
| | 3389 | } |
| | 3390 | |
| | 3391 | #elif defined(PND_BUILD) || defined(RPI_BUILD) |
| | 3392 | |
| | 3393 | void flip_screen() |
| | 3394 | { |
| | 3395 | screen_pixels = fb_flip_screen(); |
| | 3396 | } |
| | 3397 | |
| | 3398 | #else |
| | 3399 | |
| | 3400 | #define integer_scale_copy_2() \ |
| | 3401 | current_scanline_ptr[x2] = current_pixel; \ |
| | 3402 | current_scanline_ptr[x2 - 1] = current_pixel; \ |
| | 3403 | x2 -= 2 \ |
| | 3404 | |
| | 3405 | #define integer_scale_copy_3() \ |
| | 3406 | current_scanline_ptr[x2] = current_pixel; \ |
| | 3407 | current_scanline_ptr[x2 - 1] = current_pixel; \ |
| | 3408 | current_scanline_ptr[x2 - 2] = current_pixel; \ |
| | 3409 | x2 -= 3 \ |
| | 3410 | |
| | 3411 | #define integer_scale_copy_4() \ |
| | 3412 | current_scanline_ptr[x2] = current_pixel; \ |
| | 3413 | current_scanline_ptr[x2 - 1] = current_pixel; \ |
| | 3414 | current_scanline_ptr[x2 - 2] = current_pixel; \ |
| | 3415 | current_scanline_ptr[x2 - 3] = current_pixel; \ |
| | 3416 | x2 -= 4 \ |
| | 3417 | |
| | 3418 | #define integer_scale_horizontal(scale_factor) \ |
| | 3419 | for(y = 0; y < 160; y++) \ |
| | 3420 | { \ |
| | 3421 | for(x = 239, x2 = (240 * video_scale) - 1; x >= 0; x--) \ |
| | 3422 | { \ |
| | 3423 | current_pixel = current_scanline_ptr[x]; \ |
| | 3424 | integer_scale_copy_##scale_factor(); \ |
| | 3425 | current_scanline_ptr[x2] = current_scanline_ptr[x]; \ |
| | 3426 | current_scanline_ptr[x2 - 1] = current_scanline_ptr[x]; \ |
| | 3427 | current_scanline_ptr[x2 - 2] = current_scanline_ptr[x]; \ |
| | 3428 | } \ |
| | 3429 | current_scanline_ptr += pitch; \ |
| | 3430 | } \ |
| | 3431 | |
| | 3432 | void flip_screen() |
| | 3433 | { |
| | 3434 | if((video_scale != 1) && (current_scale != unscaled)) |
| | 3435 | { |
| | 3436 | s32 x, y; |
| | 3437 | s32 x2, y2; |
| | 3438 | u16 *screen_ptr = get_screen_pixels(); |
| | 3439 | u16 *current_scanline_ptr = screen_ptr; |
| | 3440 | u32 pitch = get_screen_pitch(); |
| | 3441 | u16 current_pixel; |
| | 3442 | u32 i; |
| | 3443 | |
| | 3444 | switch(video_scale) |
| | 3445 | { |
| | 3446 | case 2: |
| | 3447 | integer_scale_horizontal(2); |
| | 3448 | break; |
| | 3449 | |
| | 3450 | case 3: |
| | 3451 | integer_scale_horizontal(3); |
| | 3452 | break; |
| | 3453 | |
| | 3454 | default: |
| | 3455 | case 4: |
| | 3456 | integer_scale_horizontal(4); |
| | 3457 | break; |
| | 3458 | |
| | 3459 | } |
| | 3460 | |
| | 3461 | for(y = 159, y2 = (160 * video_scale) - 1; y >= 0; y--) |
| | 3462 | { |
| | 3463 | for(i = 0; i < video_scale; i++) |
| | 3464 | { |
| | 3465 | memcpy(screen_ptr + (y2 * pitch), |
| | 3466 | screen_ptr + (y * pitch), 480 * video_scale); |
| | 3467 | y2--; |
| | 3468 | } |
| | 3469 | } |
| | 3470 | } |
| | 3471 | #ifdef GP2X_BUILD |
| | 3472 | { |
| | 3473 | if((resolution_width == small_resolution_width) && |
| | 3474 | (resolution_height == small_resolution_height)) |
| | 3475 | { |
| | 3476 | switch (screen_scale) |
| | 3477 | { |
| | 3478 | case unscaled: |
| | 3479 | { |
| | 3480 | SDL_Rect srect = {0, 0, 240, 160}; |
| | 3481 | SDL_Rect drect = {40, 40, 240, 160}; |
| | 3482 | warm_cache_op_all(WOP_D_CLEAN); |
| | 3483 | SDL_BlitSurface(screen, &srect, hw_screen, &drect); |
| | 3484 | return; |
| | 3485 | } |
| | 3486 | case scaled_aspect: |
| | 3487 | { |
| | 3488 | SDL_Rect drect = {0, 10, 0, 0}; |
| | 3489 | warm_cache_op_all(WOP_D_CLEAN); |
| | 3490 | SDL_BlitSurface(screen, NULL, hw_screen, &drect); |
| | 3491 | return; |
| | 3492 | } |
| | 3493 | case scaled_aspect_sw: |
| | 3494 | { |
| | 3495 | upscale_aspect(hw_screen->pixels, get_screen_pixels()); |
| | 3496 | return; |
| | 3497 | } |
| | 3498 | case fullscreen: |
| | 3499 | break; |
| | 3500 | } |
| | 3501 | } |
| | 3502 | warm_cache_op_all(WOP_D_CLEAN); |
| | 3503 | SDL_BlitSurface(screen, NULL, hw_screen, NULL); |
| | 3504 | } |
| | 3505 | #else |
| | 3506 | SDL_Flip(screen); |
| | 3507 | #endif |
| | 3508 | } |
| | 3509 | |
| | 3510 | #endif |
| | 3511 | |
| | 3512 | u32 frame_to_render; |
| | 3513 | |
| | 3514 | void update_screen() |
| | 3515 | { |
| | 3516 | if(!skip_next_frame) |
| | 3517 | flip_screen(); |
| | 3518 | } |
| | 3519 | |
| | 3520 | #ifdef PSP_BUILD |
| | 3521 | |
| | 3522 | void init_video() |
| | 3523 | { |
| | 3524 | sceDisplaySetMode(0, PSP_SCREEN_WIDTH, PSP_SCREEN_HEIGHT); |
| | 3525 | |
| | 3526 | sceDisplayWaitVblankStart(); |
| | 3527 | sceDisplaySetFrameBuf((void*)psp_gu_vram_base, PSP_LINE_SIZE, |
| | 3528 | PSP_DISPLAY_PIXEL_FORMAT_565, PSP_DISPLAY_SETBUF_NEXTFRAME); |
| | 3529 | |
| | 3530 | sceGuInit(); |
| | 3531 | |
| | 3532 | sceGuStart(GU_DIRECT, display_list); |
| | 3533 | sceGuDrawBuffer(GU_PSM_5650, (void*)0, PSP_LINE_SIZE); |
| | 3534 | sceGuDispBuffer(PSP_SCREEN_WIDTH, PSP_SCREEN_HEIGHT, |
| | 3535 | (void*)0, PSP_LINE_SIZE); |
| | 3536 | sceGuClear(GU_COLOR_BUFFER_BIT); |
| | 3537 | |
| | 3538 | sceGuOffset(2048 - (PSP_SCREEN_WIDTH / 2), 2048 - (PSP_SCREEN_HEIGHT / 2)); |
| | 3539 | sceGuViewport(2048, 2048, PSP_SCREEN_WIDTH, PSP_SCREEN_HEIGHT); |
| | 3540 | |
| | 3541 | sceGuScissor(0, 0, PSP_SCREEN_WIDTH + 1, PSP_SCREEN_HEIGHT + 1); |
| | 3542 | sceGuEnable(GU_SCISSOR_TEST); |
| | 3543 | sceGuTexMode(GU_PSM_5650, 0, 0, GU_FALSE); |
| | 3544 | sceGuTexFunc(GU_TFX_REPLACE, GU_TCC_RGBA); |
| | 3545 | sceGuTexFilter(GU_LINEAR, GU_LINEAR); |
| | 3546 | sceGuEnable(GU_TEXTURE_2D); |
| | 3547 | |
| | 3548 | sceGuFrontFace(GU_CW); |
| | 3549 | sceGuDisable(GU_BLEND); |
| | 3550 | |
| | 3551 | sceGuFinish(); |
| | 3552 | sceGuSync(0, 0); |
| | 3553 | |
| | 3554 | sceDisplayWaitVblankStart(); |
| | 3555 | sceGuDisplay(GU_TRUE); |
| | 3556 | |
| | 3557 | PspGeCallbackData gecb; |
| | 3558 | gecb.signal_func = NULL; |
| | 3559 | gecb.signal_arg = NULL; |
| | 3560 | gecb.finish_func = Ge_Finish_Callback; |
| | 3561 | gecb.finish_arg = NULL; |
| | 3562 | gecbid = sceGeSetCallback(&gecb); |
| | 3563 | |
| | 3564 | screen_vertex[0] = 0 + 0.5; |
| | 3565 | screen_vertex[1] = 0 + 0.5; |
| | 3566 | screen_vertex[2] = 0 + 0.5; |
| | 3567 | screen_vertex[3] = 0 + 0.5; |
| | 3568 | screen_vertex[4] = 0; |
| | 3569 | screen_vertex[5] = GBA_SCREEN_WIDTH - 0.5; |
| | 3570 | screen_vertex[6] = GBA_SCREEN_HEIGHT - 0.5; |
| | 3571 | screen_vertex[7] = PSP_SCREEN_WIDTH - 0.5; |
| | 3572 | screen_vertex[8] = PSP_SCREEN_HEIGHT - 0.5; |
| | 3573 | screen_vertex[9] = 0; |
| | 3574 | |
| | 3575 | // Set framebuffer to PSP VRAM |
| | 3576 | GE_CMD(FBP, ((u32)psp_gu_vram_base & 0x00FFFFFF)); |
| | 3577 | GE_CMD(FBW, (((u32)psp_gu_vram_base & 0xFF000000) >> 8) | PSP_LINE_SIZE); |
| | 3578 | // Set texture 0 to the screen texture |
| | 3579 | GE_CMD(TBP0, ((u32)screen_texture & 0x00FFFFFF)); |
| | 3580 | GE_CMD(TBW0, (((u32)screen_texture & 0xFF000000) >> 8) | GBA_SCREEN_WIDTH); |
| | 3581 | // Set the texture size to 256 by 256 (2^8 by 2^8) |
| | 3582 | GE_CMD(TSIZE0, (8 << 8) | 8); |
| | 3583 | // Flush the texture cache |
| | 3584 | GE_CMD(TFLUSH, 0); |
| | 3585 | // Use 2D coordinates, no indeces, no weights, 32bit float positions, |
| | 3586 | // 32bit float texture coordinates |
| | 3587 | GE_CMD(VTYPE, (1 << 23) | (0 << 11) | (0 << 9) | |
| | 3588 | (3 << 7) | (0 << 5) | (0 << 2) | 3); |
| | 3589 | // Set the base of the index list pointer to 0 |
| | 3590 | GE_CMD(BASE, 0); |
| | 3591 | // Set the rest of index list pointer to 0 (not being used) |
| | 3592 | GE_CMD(IADDR, 0); |
| | 3593 | // Set the base of the screen vertex list pointer |
| | 3594 | GE_CMD(BASE, ((u32)screen_vertex & 0xFF000000) >> 8); |
| | 3595 | // Set the rest of the screen vertex list pointer |
| | 3596 | GE_CMD(VADDR, ((u32)screen_vertex & 0x00FFFFFF)); |
| | 3597 | // Primitive kick: render sprite (primitive 6), 2 vertices |
| | 3598 | GE_CMD(PRIM, (6 << 16) | 2); |
| | 3599 | // Done with commands |
| | 3600 | GE_CMD(FINISH, 0); |
| | 3601 | // Raise signal interrupt |
| | 3602 | GE_CMD(SIGNAL, 0); |
| | 3603 | GE_CMD(NOP, 0); |
| | 3604 | GE_CMD(NOP, 0); |
| | 3605 | } |
| | 3606 | |
| | 3607 | #elif defined(WIZ_BUILD) || defined(PND_BUILD) || defined (RPI_BUILD) |
| | 3608 | |
| | 3609 | void init_video() |
| | 3610 | { |
| | 3611 | } |
| | 3612 | |
| | 3613 | #else |
| | 3614 | |
| | 3615 | void init_video() |
| | 3616 | { |
| | 3617 | SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK | SDL_INIT_NOPARACHUTE); |
| | 3618 | |
| | 3619 | #ifdef GP2X_BUILD |
| | 3620 | SDL_GP2X_AllowGfxMemory(NULL, 0); |
| | 3621 | |
| | 3622 | hw_screen = SDL_SetVideoMode(320 * video_scale, 240 * video_scale, |
| | 3623 | 16, SDL_HWSURFACE); |
| | 3624 | |
| | 3625 | screen = SDL_CreateRGBSurface(SDL_HWSURFACE, 240 * video_scale, |
| | 3626 | 160 * video_scale, 16, 0xFFFF, 0xFFFF, 0xFFFF, 0); |
| | 3627 | |
| | 3628 | warm_change_cb_upper(WCB_C_BIT|WCB_B_BIT, 1); |
| | 3629 | #else |
| | 3630 | screen = SDL_SetVideoMode(240 * video_scale, 160 * video_scale, 16, 0); |
| | 3631 | #endif |
| | 3632 | SDL_ShowCursor(0); |
| | 3633 | } |
| | 3634 | |
| | 3635 | #endif |
| | 3636 | |
| | 3637 | video_scale_type screen_scale = scaled_aspect; |
| | 3638 | video_scale_type current_scale = scaled_aspect; |
| | 3639 | video_filter_type screen_filter = filter_bilinear; |
| | 3640 | video_filter_type2 screen_filter2 = filter2_none; |
| | 3641 | |
| | 3642 | |
| | 3643 | #ifdef PSP_BUILD |
| | 3644 | |
| | 3645 | void video_resolution_large() |
| | 3646 | { |
| | 3647 | if(video_direct != 1) |
| | 3648 | { |
| | 3649 | video_direct = 1; |
| | 3650 | screen_pixels = psp_gu_vram_base; |
| | 3651 | screen_pitch = 512; |
| | 3652 | sceGuStart(GU_DIRECT, display_list); |
| | 3653 | sceGuDispBuffer(PSP_SCREEN_WIDTH, PSP_SCREEN_HEIGHT, |
| | 3654 | (void*)0, PSP_LINE_SIZE); |
| | 3655 | sceGuFinish(); |
| | 3656 | } |
| | 3657 | } |
| | 3658 | |
| | 3659 | void set_gba_resolution(video_scale_type scale) |
| | 3660 | { |
| | 3661 | u32 filter_linear = 0; |
| | 3662 | screen_scale = scale; |
| | 3663 | switch(scale) |
| | 3664 | { |
| | 3665 | case unscaled: |
| | 3666 | screen_vertex[2] = 120 + 0.5; |
| | 3667 | screen_vertex[3] = 56 + 0.5; |
| | 3668 | screen_vertex[7] = GBA_SCREEN_WIDTH + 120 - 0.5; |
| | 3669 | screen_vertex[8] = GBA_SCREEN_HEIGHT + 56 - 0.5; |
| | 3670 | break; |
| | 3671 | |
| | 3672 | case scaled_aspect: |
| | 3673 | screen_vertex[2] = 36 + 0.5; |
| | 3674 | screen_vertex[3] = 0 + 0.5; |
| | 3675 | screen_vertex[7] = 408 + 36 - 0.5; |
| | 3676 | screen_vertex[8] = PSP_SCREEN_HEIGHT - 0.5; |
| | 3677 | break; |
| | 3678 | |
| | 3679 | case fullscreen: |
| | 3680 | screen_vertex[2] = 0; |
| | 3681 | screen_vertex[3] = 0; |
| | 3682 | screen_vertex[7] = PSP_SCREEN_WIDTH; |
| | 3683 | screen_vertex[8] = PSP_SCREEN_HEIGHT; |
| | 3684 | break; |
| | 3685 | } |
| | 3686 | |
| | 3687 | sceGuStart(GU_DIRECT, display_list); |
| | 3688 | if(screen_filter == filter_bilinear) |
| | 3689 | sceGuTexFilter(GU_LINEAR, GU_LINEAR); |
| | 3690 | else |
| | 3691 | sceGuTexFilter(GU_NEAREST, GU_NEAREST); |
| | 3692 | |
| | 3693 | sceGuFinish(); |
| | 3694 | sceGuSync(0, 0); |
| | 3695 | |
| | 3696 | clear_screen(0x0000); |
| | 3697 | } |
| | 3698 | |
| | 3699 | void video_resolution_small() |
| | 3700 | { |
| | 3701 | if(video_direct != 0) |
| | 3702 | { |
| | 3703 | set_gba_resolution(screen_scale); |
| | 3704 | video_direct = 0; |
| | 3705 | screen_pixels = screen_texture; |
| | 3706 | screen_flip = 0; |
| | 3707 | screen_pitch = 240; |
| | 3708 | sceGuStart(GU_DIRECT, display_list); |
| | 3709 | sceGuDispBuffer(PSP_SCREEN_WIDTH, PSP_SCREEN_HEIGHT, |
| | 3710 | (void*)0, PSP_LINE_SIZE); |
| | 3711 | sceGuFinish(); |
| | 3712 | } |
| | 3713 | } |
| | 3714 | |
| | 3715 | void clear_screen(u16 color) |
| | 3716 | { |
| | 3717 | u32 i; |
| | 3718 | u16 *src_ptr = get_screen_pixels(); |
| | 3719 | |
| | 3720 | sceGuSync(0, 0); |
| | 3721 | |
| | 3722 | for(i = 0; i < (512 * 272); i++, src_ptr++) |
| | 3723 | { |
| | 3724 | *src_ptr = color; |
| | 3725 | } |
| | 3726 | |
| | 3727 | // I don't know why this doesn't work. |
| | 3728 | /* color = (((color & 0x1F) * 255 / 31) << 0) | |
| | 3729 | ((((color >> 5) & 0x3F) * 255 / 63) << 8) | |
| | 3730 | ((((color >> 11) & 0x1F) * 255 / 31) << 16) | (0xFF << 24); |
| | 3731 | |
| | 3732 | sceGuStart(GU_DIRECT, display_list); |
| | 3733 | sceGuDrawBuffer(GU_PSM_5650, (void*)0, PSP_LINE_SIZE); |
| | 3734 | //sceGuDispBuffer(PSP_SCREEN_WIDTH, PSP_SCREEN_HEIGHT, |
| | 3735 | // (void*)0, PSP_LINE_SIZE); |
| | 3736 | sceGuClearColor(color); |
| | 3737 | sceGuClear(GU_COLOR_BUFFER_BIT); |
| | 3738 | sceGuFinish(); |
| | 3739 | sceGuSync(0, 0); */ |
| | 3740 | } |
| | 3741 | |
| | 3742 | #elif defined(POLLUX_BUILD) |
| | 3743 | |
| | 3744 | void video_resolution_large() |
| | 3745 | { |
| | 3746 | screen_offset = 0; |
| | 3747 | resolution_width = 320; |
| | 3748 | resolution_height = 240; |
| | 3749 | |
| | 3750 | fb_use_buffers(1); |
| | 3751 | flip_screen(); |
| | 3752 | clear_screen(0); |
| | 3753 | wiz_lcd_set_portrait(0); |
| | 3754 | } |
| | 3755 | |
| | 3756 | void video_resolution_small() |
| | 3757 | { |
| | 3758 | fb_use_buffers(4); |
| | 3759 | |
| | 3760 | switch (screen_scale) |
| | 3761 | { |
| | 3762 | case unscaled: |
| | 3763 | screen_offset = 320*40 + 40; |
| | 3764 | wiz_lcd_set_portrait(0); |
| | 3765 | break; |
| | 3766 | case scaled_aspect: |
| | 3767 | screen_offset = 320*(80 - 14) + 80; |
| | 3768 | wiz_lcd_set_portrait(0); |
| | 3769 | break; |
| | 3770 | case unscaled_rot: |
| | 3771 | wiz_lcd_set_portrait(1); |
| | 3772 | rot_lines_total = 4; |
| | 3773 | rot_line_count = 0; |
| | 3774 | break; |
| | 3775 | case scaled_aspect_rot: |
| | 3776 | wiz_lcd_set_portrait(1); |
| | 3777 | rot_lines_total = 3; |
| | 3778 | rot_line_count = 0; |
| | 3779 | break; |
| | 3780 | } |
| | 3781 | |
| | 3782 | flip_screen(); |
| | 3783 | clear_screen(0); |
| | 3784 | |
| | 3785 | resolution_width = 240; |
| | 3786 | resolution_height = 160; |
| | 3787 | } |
| | 3788 | |
| | 3789 | void set_gba_resolution(video_scale_type scale) |
| | 3790 | { |
| | 3791 | screen_scale = scale; |
| | 3792 | } |
| | 3793 | |
| | 3794 | void clear_screen(u16 color) |
| | 3795 | { |
| | 3796 | u32 col = ((u32)color << 16) | color; |
| | 3797 | u32 *p = gpsp_gp2x_screen; |
| | 3798 | int c = 320*240/2; |
| | 3799 | while (c-- > 0) |
| | 3800 | *p++ = col; |
| | 3801 | } |
| | 3802 | |
| | 3803 | #elif defined(PND_BUILD) || defined(RPI_BUILD) |
| | 3804 | |
| | 3805 | void video_resolution_large() |
| | 3806 | { |
| | 3807 | #if defined (RPI_BUILD) |
| | 3808 | resolution_width = 480; |
| | 3809 | #else |
| | 3810 | resolution_width = 400; |
| | 3811 | #endif |
| | 3812 | resolution_height = 272; |
| | 3813 | |
| | 3814 | fb_set_mode(resolution_width, resolution_height, 1, 15, screen_filter, screen_filter2); |
| | 3815 | flip_screen(); |
| | 3816 | clear_screen(0); |
| | 3817 | } |
| | 3818 | |
| | 3819 | void video_resolution_small() |
| | 3820 | { |
| | 3821 | resolution_width = 240; |
| | 3822 | resolution_height = 160; |
| | 3823 | |
| | 3824 | fb_set_mode(resolution_width, resolution_height, 3, screen_scale, screen_filter, screen_filter2); |
| | 3825 | flip_screen(); |
| | 3826 | clear_screen(0); |
| | 3827 | } |
| | 3828 | |
| | 3829 | void set_gba_resolution(video_scale_type scale) |
| | 3830 | { |
| | 3831 | screen_scale = scale; |
| | 3832 | } |
| | 3833 | |
| | 3834 | void clear_screen(u16 color) |
| | 3835 | { |
| | 3836 | u32 col = ((u32)color << 16) | color; |
| | 3837 | u32 *p = (u32 *)get_screen_pixels(); |
| | 3838 | int c = resolution_width * resolution_height / 2; |
| | 3839 | while (c-- > 0) |
| | 3840 | *p++ = col; |
| | 3841 | } |
| | 3842 | |
| | 3843 | #else |
| | 3844 | |
| | 3845 | void video_resolution_large() |
| | 3846 | { |
| | 3847 | current_scale = unscaled; |
| | 3848 | |
| | 3849 | #ifdef GP2X_BUILD |
| | 3850 | SDL_FreeSurface(screen); |
| | 3851 | SDL_GP2X_AllowGfxMemory(NULL, 0); |
| | 3852 | hw_screen = SDL_SetVideoMode(320, 240, 16, SDL_HWSURFACE); |
| | 3853 | screen = SDL_CreateRGBSurface(SDL_HWSURFACE, 320, 240, 16, 0xFFFF, |
| | 3854 | 0xFFFF, 0xFFFF, 0); |
| | 3855 | resolution_width = 320; |
| | 3856 | resolution_height = 240; |
| | 3857 | SDL_ShowCursor(0); |
| | 3858 | |
| | 3859 | warm_change_cb_upper(WCB_C_BIT|WCB_B_BIT, 1); |
| | 3860 | #else |
| | 3861 | screen = SDL_SetVideoMode(480, 272, 16, 0); |
| | 3862 | resolution_width = 480; |
| | 3863 | resolution_height = 272; |
| | 3864 | #endif |
| | 3865 | } |
| | 3866 | |
| | 3867 | void video_resolution_small() |
| | 3868 | { |
| | 3869 | current_scale = screen_scale; |
| | 3870 | |
| | 3871 | #ifdef GP2X_BUILD |
| | 3872 | int w, h; |
| | 3873 | SDL_FreeSurface(screen); |
| | 3874 | SDL_GP2X_AllowGfxMemory(NULL, 0); |
| | 3875 | |
| | 3876 | w = 320; h = 240; |
| | 3877 | if (screen_scale == scaled_aspect || screen_scale == fullscreen) |
| | 3878 | { |
| | 3879 | w = small_resolution_width * video_scale; |
| | 3880 | h = small_resolution_height * video_scale; |
| | 3881 | } |
| | 3882 | if (screen_scale == scaled_aspect) h += 20; |
| | 3883 | hw_screen = SDL_SetVideoMode(w, h, 16, SDL_HWSURFACE); |
| | 3884 | |
| | 3885 | w = small_resolution_width * video_scale; |
| | 3886 | if (screen_scale == scaled_aspect_sw) |
| | 3887 | w = 320; |
| | 3888 | screen = SDL_CreateRGBSurface(SDL_HWSURFACE, |
| | 3889 | w, small_resolution_height * video_scale, |
| | 3890 | 16, 0xFFFF, 0xFFFF, 0xFFFF, 0); |
| | 3891 | |
| | 3892 | SDL_ShowCursor(0); |
| | 3893 | |
| | 3894 | warm_change_cb_upper(WCB_C_BIT|WCB_B_BIT, 1); |
| | 3895 | #else |
| | 3896 | screen = SDL_SetVideoMode(small_resolution_width * video_scale, |
| | 3897 | small_resolution_height * video_scale, 16, 0); |
| | 3898 | #endif |
| | 3899 | resolution_width = small_resolution_width; |
| | 3900 | resolution_height = small_resolution_height; |
| | 3901 | } |
| | 3902 | |
| | 3903 | void set_gba_resolution(video_scale_type scale) |
| | 3904 | { |
| | 3905 | if(screen_scale != scale) |
| | 3906 | { |
| | 3907 | screen_scale = scale; |
| | 3908 | small_resolution_width = 240 * video_scale; |
| | 3909 | small_resolution_height = 160 * video_scale; |
| | 3910 | } |
| | 3911 | } |
| | 3912 | |
| | 3913 | void clear_screen(u16 color) |
| | 3914 | { |
| | 3915 | u16 *dest_ptr = get_screen_pixels(); |
| | 3916 | u32 line_skip = get_screen_pitch() - screen->w; |
| | 3917 | u32 x, y; |
| | 3918 | |
| | 3919 | for(y = 0; y < screen->h; y++) |
| | 3920 | { |
| | 3921 | for(x = 0; x < screen->w; x++, dest_ptr++) |
| | 3922 | { |
| | 3923 | *dest_ptr = color; |
| | 3924 | } |
| | 3925 | dest_ptr += line_skip; |
| | 3926 | } |
| | 3927 | } |
| | 3928 | |
| | 3929 | #endif |
| | 3930 | |
| | 3931 | u16 *copy_screen() |
| | 3932 | { |
| | 3933 | u16 *copy = malloc(240 * 160 * 2); |
| | 3934 | memcpy(copy, get_screen_pixels(), 240 * 160 * 2); |
| | 3935 | return copy; |
| | 3936 | } |
| | 3937 | |
| | 3938 | void blit_to_screen(u16 *src, u32 w, u32 h, u32 dest_x, u32 dest_y) |
| | 3939 | { |
| | 3940 | u32 pitch = get_screen_pitch(); |
| | 3941 | u16 *dest_ptr = get_screen_pixels() + dest_x + (dest_y * pitch); |
| | 3942 | |
| | 3943 | s32 w1 = dest_x + w > pitch ? pitch - dest_x : w; |
| | 3944 | u16 *src_ptr = src; |
| | 3945 | s32 x, y; |
| | 3946 | |
| | 3947 | for(y = 0; y < h; y++) |
| | 3948 | { |
| | 3949 | for(x = 0; x < w1; x++) |
| | 3950 | { |
| | 3951 | dest_ptr[x] = src_ptr[x]; |
| | 3952 | } |
| | 3953 | src_ptr += w; |
| | 3954 | dest_ptr += pitch; |
| | 3955 | } |
| | 3956 | } |
| | 3957 | |
| | 3958 | void print_string_ext(const char *str, u16 fg_color, u16 bg_color, |
| | 3959 | u32 x, u32 y, void *_dest_ptr, u32 pitch, u32 pad, u32 h_offset, u32 height) |
| | 3960 | { |
| | 3961 | u16 *dest_ptr = (u16 *)_dest_ptr + (y * pitch) + x; |
| | 3962 | u8 current_char = str[0]; |
| | 3963 | u32 current_row; |
| | 3964 | u32 glyph_offset; |
| | 3965 | u32 i = 0, i2, i3, h; |
| | 3966 | u32 str_index = 1; |
| | 3967 | u32 current_x = x; |
| | 3968 | |
| | 3969 | if(y + height > resolution_height) |
| | 3970 | return; |
| | 3971 | |
| | 3972 | while(current_char) |
| | 3973 | { |
| | 3974 | if(current_char == '\n') |
| | 3975 | { |
| | 3976 | y += FONT_HEIGHT; |
| | 3977 | current_x = x; |
| | 3978 | dest_ptr = get_screen_pixels() + (y * pitch) + x; |
| | 3979 | } |
| | 3980 | else |
| | 3981 | { |
| | 3982 | glyph_offset = _font_offset[current_char]; |
| | 3983 | current_x += FONT_WIDTH; |
| | 3984 | glyph_offset += h_offset; |
| | 3985 | for(i2 = h_offset, h = 0; i2 < FONT_HEIGHT && h < height; i2++, h++, glyph_offset++) |
| | 3986 | { |
| | 3987 | current_row = _font_bits[glyph_offset]; |
| | 3988 | for(i3 = 0; i3 < FONT_WIDTH; i3++) |
| | 3989 | { |
| | 3990 | if((current_row >> (15 - i3)) & 0x01) |
| | 3991 | *dest_ptr = fg_color; |
| | 3992 | else |
| | 3993 | *dest_ptr = bg_color; |
| | 3994 | dest_ptr++; |
| | 3995 | } |
| | 3996 | dest_ptr += (pitch - FONT_WIDTH); |
| | 3997 | } |
| | 3998 | dest_ptr = dest_ptr - (pitch * h) + FONT_WIDTH; |
| | 3999 | } |
| | 4000 | |
| | 4001 | i++; |
| | 4002 | |
| | 4003 | current_char = str[str_index]; |
| | 4004 | |
| | 4005 | if((i < pad) && (current_char == 0)) |
| | 4006 | { |
| | 4007 | current_char = ' '; |
| | 4008 | } |
| | 4009 | else |
| | 4010 | { |
| | 4011 | str_index++; |
| | 4012 | } |
| | 4013 | |
| | 4014 | if(current_x + FONT_WIDTH > resolution_width /* EDIT */) |
| | 4015 | { |
| | 4016 | while (current_char && current_char != '\n') |
| | 4017 | { |
| | 4018 | current_char = str[str_index++]; |
| | 4019 | } |
| | 4020 | } |
| | 4021 | } |
| | 4022 | } |
| | 4023 | |
| | 4024 | void print_string(const char *str, u16 fg_color, u16 bg_color, |
| | 4025 | u32 x, u32 y) |
| | 4026 | { |
| | 4027 | #ifdef WIZ_BUILD |
| | 4028 | if ((screen_scale == unscaled_rot || screen_scale == scaled_aspect_rot) && |
| | 4029 | (resolution_width == small_resolution_width) && |
| | 4030 | (resolution_height == small_resolution_height)) |
| | 4031 | { |
| | 4032 | snprintf(rot_msg_buff, sizeof(rot_msg_buff), "%s", str); |
| | 4033 | return; |
| | 4034 | } |
| | 4035 | #endif |
| | 4036 | print_string_ext(str, fg_color, bg_color, x, y, get_screen_pixels(), |
| | 4037 | get_screen_pitch(), 0, 0, FONT_HEIGHT); |
| | 4038 | } |
| | 4039 | |
| | 4040 | void print_string_pad(const char *str, u16 fg_color, u16 bg_color, |
| | 4041 | u32 x, u32 y, u32 pad) |
| | 4042 | { |
| | 4043 | print_string_ext(str, fg_color, bg_color, x, y, get_screen_pixels(), |
| | 4044 | get_screen_pitch(), pad, 0, FONT_HEIGHT); |
| | 4045 | } |
| | 4046 | |
| | 4047 | u32 debug_cursor_x = 0; |
| | 4048 | u32 debug_cursor_y = 0; |
| | 4049 | |
| | 4050 | #ifdef STDIO_DEBUG |
| | 4051 | |
| | 4052 | void debug_screen_clear() |
| | 4053 | { |
| | 4054 | } |
| | 4055 | |
| | 4056 | void debug_screen_start() |
| | 4057 | { |
| | 4058 | } |
| | 4059 | |
| | 4060 | void debug_screen_end() |
| | 4061 | { |
| | 4062 | } |
| | 4063 | |
| | 4064 | void debug_screen_update() |
| | 4065 | { |
| | 4066 | } |
| | 4067 | |
| | 4068 | void debug_screen_printf(const char *format, ...) |
| | 4069 | { |
| | 4070 | va_list ap; |
| | 4071 | |
| | 4072 | va_start(ap, format); |
| | 4073 | vprintf(format, ap); |
| | 4074 | va_end(ap); |
| | 4075 | } |
| | 4076 | |
| | 4077 | void debug_screen_newline(u32 count) |
| | 4078 | { |
| | 4079 | printf("\n"); |
| | 4080 | } |
| | 4081 | |
| | 4082 | |
| | 4083 | #else |
| | 4084 | |
| | 4085 | void debug_screen_clear() |
| | 4086 | { |
| | 4087 | debug_cursor_x = 0; |
| | 4088 | debug_cursor_y = 0; |
| | 4089 | clear_screen(0x0000); |
| | 4090 | } |
| | 4091 | |
| | 4092 | void debug_screen_start() |
| | 4093 | { |
| | 4094 | video_resolution_large(); |
| | 4095 | debug_screen_clear(); |
| | 4096 | } |
| | 4097 | |
| | 4098 | void debug_screen_end() |
| | 4099 | { |
| | 4100 | video_resolution_small(); |
| | 4101 | } |
| | 4102 | |
| | 4103 | void debug_screen_update() |
| | 4104 | { |
| | 4105 | flip_screen(); |
| | 4106 | } |
| | 4107 | |
| | 4108 | void debug_screen_printf(const char *format, ...) |
| | 4109 | { |
| | 4110 | char str_buffer[512]; |
| | 4111 | u32 str_buffer_length; |
| | 4112 | va_list ap; |
| | 4113 | |
| | 4114 | va_start(ap, format); |
| | 4115 | str_buffer_length = vsnprintf(str_buffer, 512, format, ap); |
| | 4116 | va_end(ap); |
| | 4117 | |
| | 4118 | printf("printing debug string %s at %d %d\n", str_buffer, |
| | 4119 | debug_cursor_x, debug_cursor_y); |
| | 4120 | |
| | 4121 | print_string(str_buffer, 0xFFFF, 0x0000, debug_cursor_x, debug_cursor_y); |
| | 4122 | debug_cursor_x += FONT_WIDTH * str_buffer_length; |
| | 4123 | } |
| | 4124 | |
| | 4125 | void debug_screen_newline(u32 count) |
| | 4126 | { |
| | 4127 | debug_cursor_x = 0; |
| | 4128 | debug_cursor_y += FONT_HEIGHT * count; |
| | 4129 | } |
| | 4130 | |
| | 4131 | #endif |
| | 4132 | |
| | 4133 | void debug_screen_printl(const char *format, ...) |
| | 4134 | { |
| | 4135 | va_list ap; |
| | 4136 | |
| | 4137 | va_start(ap, format); |
| | 4138 | debug_screen_printf(format, ap); |
| | 4139 | debug_screen_newline(1); |
| | 4140 | // debug_screen_printf("\n"); |
| | 4141 | va_end(ap); |
| | 4142 | } |
| | 4143 | |
| | 4144 | |
| | 4145 | #define video_savestate_builder(type) \ |
| | 4146 | void video_##type##_savestate(file_tag_type savestate_file) \ |
| | 4147 | { \ |
| | 4148 | file_##type##_array(savestate_file, affine_reference_x); \ |
| | 4149 | file_##type##_array(savestate_file, affine_reference_y); \ |
| | 4150 | } \ |
| | 4151 | |
| | 4152 | video_savestate_builder(read); |
| | 4153 | video_savestate_builder(write_mem); |
| | 4154 | |
| | 4155 | |
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