3 * Copyright (C) 2006 Exophase <exophase@gmail.com>
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.
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.
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
21 #define WANT_FONT_BITS
28 #include <pspkernel.h>
30 #include <pspdisplay.h>
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;
41 static u32 video_direct = 0;
43 static u32 __attribute__((aligned(16))) display_list[32];
45 #define GBA_SCREEN_WIDTH 240
46 #define GBA_SCREEN_HEIGHT 160
48 #define PSP_SCREEN_WIDTH 480
49 #define PSP_SCREEN_HEIGHT 272
50 #define PSP_LINE_SIZE 512
52 #define PSP_ALL_BUTTON_MASK 0xFFFF
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
70 #define GE_CMD(cmd, operand) \
71 *ge_cmd_ptr = (((GE_CMD_##cmd) << 24) | (operand)); \
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;
79 static void Ge_Finish_Callback(int id, void *arg)
83 #define get_screen_pixels() \
86 #define get_screen_pitch() \
89 #elif defined(WIZ_BUILD)
91 static u16 rot_buffer[240*4];
92 static u32 rot_lines_total = 4;
93 static u32 rot_line_count = 0;
94 static char rot_msg_buff[64];
96 static u32 screen_offset = 0;
97 static u16 *screen_pixels = NULL;
98 const u32 screen_pitch = 320;
100 #define get_screen_pixels() \
103 #define get_screen_pitch() \
106 #elif defined(PND_BUILD)
108 static u16 *screen_pixels = NULL;
110 #define get_screen_pixels() \
113 #define get_screen_pitch() \
119 #include "SDL_gp2x.h"
120 SDL_Surface *hw_screen;
123 const u32 video_scale = 1;
125 #define get_screen_pixels() \
126 ((u16 *)screen->pixels) \
128 #define get_screen_pitch() \
129 (screen->pitch / 2) \
133 static void render_scanline_conditional_tile(u32 start, u32 end, u16 *scanline,
134 u32 enable_flags, u32 dispcnt, u32 bldcnt, const tile_layer_render_struct
136 static void render_scanline_conditional_bitmap(u32 start, u32 end, u16 *scanline,
137 u32 enable_flags, u32 dispcnt, u32 bldcnt, const bitmap_layer_render_struct
142 // This old version is not necessary if the palette is either being converted
143 // transparently or the ABGR 1555 format is being used natively. The direct
144 // version (without conversion) is much faster.
146 #define tile_lookup_palette_full(palette, source) \
147 current_pixel = palette[source]; \
148 convert_palette(current_pixel) \
150 #define tile_lookup_palette(palette, source) \
151 current_pixel = palette[source]; \
154 #ifdef RENDER_COLOR16_NORMAL
156 #define tile_expand_base_normal(index) \
157 tile_expand_base_color16(index) \
161 #define tile_expand_base_normal(index) \
162 tile_lookup_palette(palette, current_pixel); \
163 dest_ptr[index] = current_pixel \
167 #define tile_expand_transparent_normal(index) \
168 tile_expand_base_normal(index) \
170 #define tile_expand_copy(index) \
171 dest_ptr[index] = copy_ptr[index] \
174 #define advance_dest_ptr_base(delta) \
177 #define advance_dest_ptr_transparent(delta) \
178 advance_dest_ptr_base(delta) \
180 #define advance_dest_ptr_copy(delta) \
181 advance_dest_ptr_base(delta); \
185 #define color_combine_mask_a(layer) \
186 ((io_registers[REG_BLDCNT] >> layer) & 0x01) \
188 // For color blending operations, will create a mask that has in bit
189 // 10 if the layer is target B, and bit 9 if the layer is target A.
191 #define color_combine_mask(layer) \
192 (color_combine_mask_a(layer) | \
193 ((io_registers[REG_BLDCNT] >> (layer + 7)) & 0x02)) << 9 \
195 // For alpha blending renderers, draw the palette index (9bpp) and
196 // layer bits rather than the raw RGB. For the base this should write to
197 // the 32bit location directly.
199 #define tile_expand_base_alpha(index) \
200 dest_ptr[index] = current_pixel | pixel_combine \
202 #define tile_expand_base_bg(index) \
203 dest_ptr[index] = bg_combine \
206 // For layered (transparent) writes this should shift the "stack" and write
207 // to the bottom. This will preserve the topmost pixel and the most recent
210 #define tile_expand_transparent_alpha(index) \
211 dest_ptr[index] = (dest_ptr[index] << 16) | current_pixel | pixel_combine \
214 // OBJ should only shift if the top isn't already OBJ
215 #define tile_expand_transparent_alpha_obj(index) \
216 dest = dest_ptr[index]; \
217 if(dest & 0x00000100) \
219 dest_ptr[index] = (dest & 0xFFFF0000) | current_pixel | pixel_combine; \
223 dest_ptr[index] = (dest << 16) | current_pixel | pixel_combine; \
227 // For color effects that don't need to preserve the previous layer.
228 // The color32 version should be used with 32bit wide dest_ptr so as to be
229 // compatible with alpha combine on top of it.
231 #define tile_expand_base_color16(index) \
232 dest_ptr[index] = current_pixel | pixel_combine \
234 #define tile_expand_transparent_color16(index) \
235 tile_expand_base_color16(index) \
237 #define tile_expand_base_color32(index) \
238 tile_expand_base_color16(index) \
240 #define tile_expand_transparent_color32(index) \
241 tile_expand_base_color16(index) \
244 // Operations for isolation 8bpp pixels within 32bpp pixel blocks.
246 #define tile_8bpp_pixel_op_mask(op_param) \
247 current_pixel = current_pixels & 0xFF \
249 #define tile_8bpp_pixel_op_shift_mask(shift) \
250 current_pixel = (current_pixels >> shift) & 0xFF \
252 #define tile_8bpp_pixel_op_shift(shift) \
253 current_pixel = current_pixels >> shift \
255 #define tile_8bpp_pixel_op_none(shift) \
257 // Base should always draw raw in 8bpp mode; color 0 will be drawn where
260 #define tile_8bpp_draw_base_normal(index) \
261 tile_expand_base_normal(index) \
263 #define tile_8bpp_draw_base_alpha(index) \
266 tile_expand_base_alpha(index); \
270 tile_expand_base_bg(index); \
274 #define tile_8bpp_draw_base_color16(index) \
275 tile_8bpp_draw_base_alpha(index) \
277 #define tile_8bpp_draw_base_color32(index) \
278 tile_8bpp_draw_base_alpha(index) \
281 #define tile_8bpp_draw_base(index, op, op_param, alpha_op) \
282 tile_8bpp_pixel_op_##op(op_param); \
283 tile_8bpp_draw_base_##alpha_op(index) \
285 // Transparent (layered) writes should only replace what is there if the
286 // pixel is not transparent (zero)
288 #define tile_8bpp_draw_transparent(index, op, op_param, alpha_op) \
289 tile_8bpp_pixel_op_##op(op_param); \
292 tile_expand_transparent_##alpha_op(index); \
295 #define tile_8bpp_draw_copy(index, op, op_param, alpha_op) \
296 tile_8bpp_pixel_op_##op(op_param); \
299 tile_expand_copy(index); \
302 // Get the current tile from the map in 8bpp mode
304 #define get_tile_8bpp() \
305 current_tile = *map_ptr; \
306 tile_ptr = tile_base + ((current_tile & 0x3FF) * 64) \
309 // Draw half of a tile in 8bpp mode, for base renderer
311 #define tile_8bpp_draw_four_noflip(index, combine_op, alpha_op) \
312 tile_8bpp_draw_##combine_op(index + 0, mask, 0, alpha_op); \
313 tile_8bpp_draw_##combine_op(index + 1, shift_mask, 8, alpha_op); \
314 tile_8bpp_draw_##combine_op(index + 2, shift_mask, 16, alpha_op); \
315 tile_8bpp_draw_##combine_op(index + 3, shift, 24, alpha_op) \
318 // Like the above, but draws the half-tile horizontally flipped
320 #define tile_8bpp_draw_four_flip(index, combine_op, alpha_op) \
321 tile_8bpp_draw_##combine_op(index + 3, mask, 0, alpha_op); \
322 tile_8bpp_draw_##combine_op(index + 2, shift_mask, 8, alpha_op); \
323 tile_8bpp_draw_##combine_op(index + 1, shift_mask, 16, alpha_op); \
324 tile_8bpp_draw_##combine_op(index + 0, shift, 24, alpha_op) \
326 #define tile_8bpp_draw_four_base(index, alpha_op, flip_op) \
327 tile_8bpp_draw_four_##flip_op(index, base, alpha_op) \
330 // Draw half of a tile in 8bpp mode, for transparent renderer; as an
331 // optimization the entire thing is checked against zero (in transparent
332 // capable renders it is more likely for the pixels to be transparent than
335 #define tile_8bpp_draw_four_transparent(index, alpha_op, flip_op) \
336 if(current_pixels != 0) \
338 tile_8bpp_draw_four_##flip_op(index, transparent, alpha_op); \
341 #define tile_8bpp_draw_four_copy(index, alpha_op, flip_op) \
342 if(current_pixels != 0) \
344 tile_8bpp_draw_four_##flip_op(index, copy, alpha_op); \
347 // Helper macro for drawing 8bpp tiles clipped against the edge of the screen
349 #define partial_tile_8bpp(combine_op, alpha_op) \
350 for(i = 0; i < partial_tile_run; i++) \
352 tile_8bpp_draw_##combine_op(0, mask, 0, alpha_op); \
353 current_pixels >>= 8; \
354 advance_dest_ptr_##combine_op(1); \
358 // Draws 8bpp tiles clipped against the left side of the screen,
359 // partial_tile_offset indicates how much clipped in it is, partial_tile_run
360 // indicates how much it should draw.
362 #define partial_tile_right_noflip_8bpp(combine_op, alpha_op) \
363 if(partial_tile_offset >= 4) \
365 current_pixels = *((u32 *)(tile_ptr + 4)) >> \
366 ((partial_tile_offset - 4) * 8); \
367 partial_tile_8bpp(combine_op, alpha_op); \
371 partial_tile_run -= 4; \
372 current_pixels = *((u32 *)tile_ptr) >> (partial_tile_offset * 8); \
373 partial_tile_8bpp(combine_op, alpha_op); \
374 current_pixels = *((u32 *)(tile_ptr + 4)); \
375 tile_8bpp_draw_four_##combine_op(0, alpha_op, noflip); \
376 advance_dest_ptr_##combine_op(4); \
380 // Draws 8bpp tiles clipped against both the left and right side of the
381 // screen, IE, runs of less than 8 - partial_tile_offset.
383 #define partial_tile_mid_noflip_8bpp(combine_op, alpha_op) \
384 if(partial_tile_offset >= 4) \
386 current_pixels = *((u32 *)(tile_ptr + 4)) >> \
387 ((partial_tile_offset - 4) * 8); \
388 partial_tile_8bpp(combine_op, alpha_op); \
392 current_pixels = *((u32 *)tile_ptr) >> (partial_tile_offset * 8); \
393 if((partial_tile_offset + partial_tile_run) > 4) \
395 u32 old_run = partial_tile_run; \
396 partial_tile_run = 4 - partial_tile_offset; \
397 partial_tile_8bpp(combine_op, alpha_op); \
398 partial_tile_run = old_run - partial_tile_run; \
399 current_pixels = *((u32 *)(tile_ptr + 4)); \
400 partial_tile_8bpp(combine_op, alpha_op); \
404 partial_tile_8bpp(combine_op, alpha_op); \
409 // Draws 8bpp tiles clipped against the right side of the screen,
410 // partial_tile_run indicates how much there is to draw.
412 #define partial_tile_left_noflip_8bpp(combine_op, alpha_op) \
413 if(partial_tile_run >= 4) \
415 current_pixels = *((u32 *)tile_ptr); \
416 tile_8bpp_draw_four_##combine_op(0, alpha_op, noflip); \
417 advance_dest_ptr_##combine_op(4); \
419 partial_tile_run -= 4; \
422 current_pixels = *((u32 *)(tile_ptr)); \
423 partial_tile_8bpp(combine_op, alpha_op) \
426 // Draws a non-clipped (complete) 8bpp tile.
428 #define tile_noflip_8bpp(combine_op, alpha_op) \
429 current_pixels = *((u32 *)tile_ptr); \
430 tile_8bpp_draw_four_##combine_op(0, alpha_op, noflip); \
431 current_pixels = *((u32 *)(tile_ptr + 4)); \
432 tile_8bpp_draw_four_##combine_op(4, alpha_op, noflip) \
435 // Like the above versions but draws flipped tiles.
437 #define partial_tile_flip_8bpp(combine_op, alpha_op) \
438 for(i = 0; i < partial_tile_run; i++) \
440 tile_8bpp_draw_##combine_op(0, shift, 24, alpha_op); \
441 current_pixels <<= 8; \
442 advance_dest_ptr_##combine_op(1); \
445 #define partial_tile_right_flip_8bpp(combine_op, alpha_op) \
446 if(partial_tile_offset >= 4) \
448 current_pixels = *((u32 *)tile_ptr) << ((partial_tile_offset - 4) * 8); \
449 partial_tile_flip_8bpp(combine_op, alpha_op); \
453 partial_tile_run -= 4; \
454 current_pixels = *((u32 *)(tile_ptr + 4)) << \
455 ((partial_tile_offset - 4) * 8); \
456 partial_tile_flip_8bpp(combine_op, alpha_op); \
457 current_pixels = *((u32 *)tile_ptr); \
458 tile_8bpp_draw_four_##combine_op(0, alpha_op, flip); \
459 advance_dest_ptr_##combine_op(4); \
462 #define partial_tile_mid_flip_8bpp(combine_op, alpha_op) \
463 if(partial_tile_offset >= 4) \
465 current_pixels = *((u32 *)tile_ptr) << ((partial_tile_offset - 4) * 8); \
466 partial_tile_flip_8bpp(combine_op, alpha_op); \
470 current_pixels = *((u32 *)(tile_ptr + 4)) << \
471 ((partial_tile_offset - 4) * 8); \
473 if((partial_tile_offset + partial_tile_run) > 4) \
475 u32 old_run = partial_tile_run; \
476 partial_tile_run = 4 - partial_tile_offset; \
477 partial_tile_flip_8bpp(combine_op, alpha_op); \
478 partial_tile_run = old_run - partial_tile_run; \
479 current_pixels = *((u32 *)(tile_ptr)); \
480 partial_tile_flip_8bpp(combine_op, alpha_op); \
484 partial_tile_flip_8bpp(combine_op, alpha_op); \
488 #define partial_tile_left_flip_8bpp(combine_op, alpha_op) \
489 if(partial_tile_run >= 4) \
491 current_pixels = *((u32 *)(tile_ptr + 4)); \
492 tile_8bpp_draw_four_##combine_op(0, alpha_op, flip); \
493 advance_dest_ptr_##combine_op(4); \
495 partial_tile_run -= 4; \
498 current_pixels = *((u32 *)(tile_ptr + 4)); \
499 partial_tile_flip_8bpp(combine_op, alpha_op) \
501 #define tile_flip_8bpp(combine_op, alpha_op) \
502 current_pixels = *((u32 *)(tile_ptr + 4)); \
503 tile_8bpp_draw_four_##combine_op(0, alpha_op, flip); \
504 current_pixels = *((u32 *)tile_ptr); \
505 tile_8bpp_draw_four_##combine_op(4, alpha_op, flip) \
508 // Operations for isolating 4bpp tiles in a 32bit block
510 #define tile_4bpp_pixel_op_mask(op_param) \
511 current_pixel = current_pixels & 0x0F \
513 #define tile_4bpp_pixel_op_shift_mask(shift) \
514 current_pixel = (current_pixels >> shift) & 0x0F \
516 #define tile_4bpp_pixel_op_shift(shift) \
517 current_pixel = current_pixels >> shift \
519 #define tile_4bpp_pixel_op_none(op_param) \
521 // Draws a single 4bpp pixel as base, normal renderer; checks to see if the
522 // pixel is zero because if so the current palette should not be applied.
523 // These ifs can be replaced with a lookup table, may or may not be superior
524 // this way, should be benchmarked. The lookup table would be from 0-255
525 // identity map except for multiples of 16, which would map to 0.
527 #define tile_4bpp_draw_base_normal(index) \
530 current_pixel |= current_palette; \
531 tile_expand_base_normal(index); \
535 tile_expand_base_normal(index); \
539 #define tile_4bpp_draw_base_alpha(index) \
542 current_pixel |= current_palette; \
543 tile_expand_base_alpha(index); \
547 tile_expand_base_bg(index); \
550 #define tile_4bpp_draw_base_color16(index) \
551 tile_4bpp_draw_base_alpha(index) \
553 #define tile_4bpp_draw_base_color32(index) \
554 tile_4bpp_draw_base_alpha(index) \
557 #define tile_4bpp_draw_base(index, op, op_param, alpha_op) \
558 tile_4bpp_pixel_op_##op(op_param); \
559 tile_4bpp_draw_base_##alpha_op(index) \
562 // Draws a single 4bpp pixel as layered, if not transparent.
564 #define tile_4bpp_draw_transparent(index, op, op_param, alpha_op) \
565 tile_4bpp_pixel_op_##op(op_param); \
568 current_pixel |= current_palette; \
569 tile_expand_transparent_##alpha_op(index); \
572 #define tile_4bpp_draw_copy(index, op, op_param, alpha_op) \
573 tile_4bpp_pixel_op_##op(op_param); \
576 current_pixel |= current_palette; \
577 tile_expand_copy(index); \
581 // Draws eight background pixels in transparent mode, for alpha or normal
584 #define tile_4bpp_draw_eight_base_zero(value) \
585 dest_ptr[0] = value; \
586 dest_ptr[1] = value; \
587 dest_ptr[2] = value; \
588 dest_ptr[3] = value; \
589 dest_ptr[4] = value; \
590 dest_ptr[5] = value; \
591 dest_ptr[6] = value; \
592 dest_ptr[7] = value \
595 // Draws eight background pixels for the alpha renderer, basically color zero
596 // with the background flag high.
598 #define tile_4bpp_draw_eight_base_zero_alpha() \
599 tile_4bpp_draw_eight_base_zero(bg_combine) \
601 #define tile_4bpp_draw_eight_base_zero_color16() \
602 tile_4bpp_draw_eight_base_zero_alpha() \
604 #define tile_4bpp_draw_eight_base_zero_color32() \
605 tile_4bpp_draw_eight_base_zero_alpha() \
608 // Draws eight background pixels for the normal renderer, just a bunch of
611 #ifdef RENDER_COLOR16_NORMAL
613 #define tile_4bpp_draw_eight_base_zero_normal() \
615 tile_4bpp_draw_eight_base_zero(current_pixel) \
619 #define tile_4bpp_draw_eight_base_zero_normal() \
620 current_pixel = palette[0]; \
621 tile_4bpp_draw_eight_base_zero(current_pixel) \
626 // Draws eight 4bpp pixels.
628 #define tile_4bpp_draw_eight_noflip(combine_op, alpha_op) \
629 tile_4bpp_draw_##combine_op(0, mask, 0, alpha_op); \
630 tile_4bpp_draw_##combine_op(1, shift_mask, 4, alpha_op); \
631 tile_4bpp_draw_##combine_op(2, shift_mask, 8, alpha_op); \
632 tile_4bpp_draw_##combine_op(3, shift_mask, 12, alpha_op); \
633 tile_4bpp_draw_##combine_op(4, shift_mask, 16, alpha_op); \
634 tile_4bpp_draw_##combine_op(5, shift_mask, 20, alpha_op); \
635 tile_4bpp_draw_##combine_op(6, shift_mask, 24, alpha_op); \
636 tile_4bpp_draw_##combine_op(7, shift, 28, alpha_op) \
639 // Draws eight 4bpp pixels in reverse order (for hflip).
641 #define tile_4bpp_draw_eight_flip(combine_op, alpha_op) \
642 tile_4bpp_draw_##combine_op(7, mask, 0, alpha_op); \
643 tile_4bpp_draw_##combine_op(6, shift_mask, 4, alpha_op); \
644 tile_4bpp_draw_##combine_op(5, shift_mask, 8, alpha_op); \
645 tile_4bpp_draw_##combine_op(4, shift_mask, 12, alpha_op); \
646 tile_4bpp_draw_##combine_op(3, shift_mask, 16, alpha_op); \
647 tile_4bpp_draw_##combine_op(2, shift_mask, 20, alpha_op); \
648 tile_4bpp_draw_##combine_op(1, shift_mask, 24, alpha_op); \
649 tile_4bpp_draw_##combine_op(0, shift, 28, alpha_op) \
652 // Draws eight 4bpp pixels in base mode, checks if all are zero, if so draws
653 // the appropriate background pixels.
655 #define tile_4bpp_draw_eight_base(alpha_op, flip_op) \
656 if(current_pixels != 0) \
658 tile_4bpp_draw_eight_##flip_op(base, alpha_op); \
662 tile_4bpp_draw_eight_base_zero_##alpha_op(); \
666 // Draws eight 4bpp pixels in transparent (layered) mode, checks if all are
667 // zero and if so draws nothing.
669 #define tile_4bpp_draw_eight_transparent(alpha_op, flip_op) \
670 if(current_pixels != 0) \
672 tile_4bpp_draw_eight_##flip_op(transparent, alpha_op); \
676 #define tile_4bpp_draw_eight_copy(alpha_op, flip_op) \
677 if(current_pixels != 0) \
679 tile_4bpp_draw_eight_##flip_op(copy, alpha_op); \
682 // Gets the current tile in 4bpp mode, also getting the current palette and
685 #define get_tile_4bpp() \
686 current_tile = *map_ptr; \
687 current_palette = (current_tile >> 12) << 4; \
688 tile_ptr = tile_base + ((current_tile & 0x3FF) * 32); \
691 // Helper macro for drawing clipped 4bpp tiles.
693 #define partial_tile_4bpp(combine_op, alpha_op) \
694 for(i = 0; i < partial_tile_run; i++) \
696 tile_4bpp_draw_##combine_op(0, mask, 0, alpha_op); \
697 current_pixels >>= 4; \
698 advance_dest_ptr_##combine_op(1); \
702 // Draws a 4bpp tile clipped against the left edge of the screen.
703 // partial_tile_offset is how far in it's clipped, partial_tile_run is
706 #define partial_tile_right_noflip_4bpp(combine_op, alpha_op) \
707 current_pixels = *((u32 *)tile_ptr) >> (partial_tile_offset * 4); \
708 partial_tile_4bpp(combine_op, alpha_op) \
711 // Draws a 4bpp tile clipped against both edges of the screen, same as right.
713 #define partial_tile_mid_noflip_4bpp(combine_op, alpha_op) \
714 partial_tile_right_noflip_4bpp(combine_op, alpha_op) \
717 // Draws a 4bpp tile clipped against the right edge of the screen.
718 // partial_tile_offset is how many to draw.
720 #define partial_tile_left_noflip_4bpp(combine_op, alpha_op) \
721 current_pixels = *((u32 *)tile_ptr); \
722 partial_tile_4bpp(combine_op, alpha_op) \
725 // Draws a complete 4bpp tile row (not clipped)
726 #define tile_noflip_4bpp(combine_op, alpha_op) \
727 current_pixels = *((u32 *)tile_ptr); \
728 tile_4bpp_draw_eight_##combine_op(alpha_op, noflip) \
731 // Like the above, but draws flipped tiles.
733 #define partial_tile_flip_4bpp(combine_op, alpha_op) \
734 for(i = 0; i < partial_tile_run; i++) \
736 tile_4bpp_draw_##combine_op(0, shift, 28, alpha_op); \
737 current_pixels <<= 4; \
738 advance_dest_ptr_##combine_op(1); \
741 #define partial_tile_right_flip_4bpp(combine_op, alpha_op) \
742 current_pixels = *((u32 *)tile_ptr) << (partial_tile_offset * 4); \
743 partial_tile_flip_4bpp(combine_op, alpha_op) \
745 #define partial_tile_mid_flip_4bpp(combine_op, alpha_op) \
746 partial_tile_right_flip_4bpp(combine_op, alpha_op) \
748 #define partial_tile_left_flip_4bpp(combine_op, alpha_op) \
749 current_pixels = *((u32 *)tile_ptr); \
750 partial_tile_flip_4bpp(combine_op, alpha_op) \
752 #define tile_flip_4bpp(combine_op, alpha_op) \
753 current_pixels = *((u32 *)tile_ptr); \
754 tile_4bpp_draw_eight_##combine_op(alpha_op, flip) \
757 // Draws a single (partial or complete) tile from the tilemap, flipping
760 #define single_tile_map(tile_type, combine_op, color_depth, alpha_op) \
761 get_tile_##color_depth(); \
762 if(current_tile & 0x800) \
763 tile_ptr += vertical_pixel_flip; \
765 if(current_tile & 0x400) \
767 tile_type##_flip_##color_depth(combine_op, alpha_op); \
771 tile_type##_noflip_##color_depth(combine_op, alpha_op); \
775 // Draws multiple sequential tiles from the tilemap, hflips and vflips as
778 #define multiple_tile_map(combine_op, color_depth, alpha_op) \
779 for(i = 0; i < tile_run; i++) \
781 single_tile_map(tile, combine_op, color_depth, alpha_op); \
782 advance_dest_ptr_##combine_op(8); \
786 // Draws a partial tile from a tilemap clipped against the left edge of the
789 #define partial_tile_right_map(combine_op, color_depth, alpha_op) \
790 single_tile_map(partial_tile_right, combine_op, color_depth, alpha_op); \
793 // Draws a partial tile from a tilemap clipped against both edges of the
796 #define partial_tile_mid_map(combine_op, color_depth, alpha_op) \
797 single_tile_map(partial_tile_mid, combine_op, color_depth, alpha_op) \
799 // Draws a partial tile from a tilemap clipped against the right edge of the
802 #define partial_tile_left_map(combine_op, color_depth, alpha_op) \
803 single_tile_map(partial_tile_left, combine_op, color_depth, alpha_op) \
806 // Advances a non-flipped 4bpp obj to the next tile.
808 #define obj_advance_noflip_4bpp() \
812 // Advances a non-flipped 8bpp obj to the next tile.
814 #define obj_advance_noflip_8bpp() \
818 // Advances a flipped 4bpp obj to the next tile.
820 #define obj_advance_flip_4bpp() \
824 // Advances a flipped 8bpp obj to the next tile.
826 #define obj_advance_flip_8bpp() \
831 // Draws multiple sequential tiles from an obj, flip_op determines if it should
832 // be flipped or not (set to flip or noflip)
834 #define multiple_tile_obj(combine_op, color_depth, alpha_op, flip_op) \
835 for(i = 0; i < tile_run; i++) \
837 tile_##flip_op##_##color_depth(combine_op, alpha_op); \
838 obj_advance_##flip_op##_##color_depth(); \
839 advance_dest_ptr_##combine_op(8); \
843 // Draws an obj's tile clipped against the left side of the screen
845 #define partial_tile_right_obj(combine_op, color_depth, alpha_op, flip_op) \
846 partial_tile_right_##flip_op##_##color_depth(combine_op, alpha_op); \
847 obj_advance_##flip_op##_##color_depth() \
849 // Draws an obj's tile clipped against both sides of the screen
851 #define partial_tile_mid_obj(combine_op, color_depth, alpha_op, flip_op) \
852 partial_tile_mid_##flip_op##_##color_depth(combine_op, alpha_op) \
854 // Draws an obj's tile clipped against the right side of the screen
856 #define partial_tile_left_obj(combine_op, color_depth, alpha_op, flip_op) \
857 partial_tile_left_##flip_op##_##color_depth(combine_op, alpha_op) \
860 // Extra variables specific for 8bpp/4bpp tile renderers.
862 #define tile_extra_variables_8bpp() \
864 #define tile_extra_variables_4bpp() \
865 u32 current_palette \
868 // Byte lengths of complete tiles and tile rows in 4bpp and 8bpp.
870 #define tile_width_4bpp 4
871 #define tile_size_4bpp 32
872 #define tile_width_8bpp 8
873 #define tile_size_8bpp 64
876 // Render a single scanline of text tiles
878 #define tile_render(color_depth, combine_op, alpha_op) \
880 u32 vertical_pixel_offset = (vertical_offset % 8) * \
881 tile_width_##color_depth; \
882 u32 vertical_pixel_flip = \
883 ((tile_size_##color_depth - tile_width_##color_depth) - \
884 vertical_pixel_offset) - vertical_pixel_offset; \
885 tile_extra_variables_##color_depth(); \
886 u8 *tile_base = vram + (((bg_control >> 2) & 0x03) * (1024 * 16)) + \
887 vertical_pixel_offset; \
888 u32 pixel_run = 256 - (horizontal_offset % 256); \
891 map_base += ((vertical_offset % 256) / 8) * 32; \
892 partial_tile_offset = (horizontal_offset % 8); \
894 if(pixel_run >= end) \
896 if(partial_tile_offset) \
898 partial_tile_run = 8 - partial_tile_offset; \
899 if(end < partial_tile_run) \
901 partial_tile_run = end; \
902 partial_tile_mid_map(combine_op, color_depth, alpha_op); \
907 end -= partial_tile_run; \
908 partial_tile_right_map(combine_op, color_depth, alpha_op); \
912 tile_run = end / 8; \
913 multiple_tile_map(combine_op, color_depth, alpha_op); \
915 partial_tile_run = end % 8; \
917 if(partial_tile_run) \
919 partial_tile_left_map(combine_op, color_depth, alpha_op); \
924 if(partial_tile_offset) \
926 partial_tile_run = 8 - partial_tile_offset; \
927 partial_tile_right_map(combine_op, color_depth, alpha_op); \
930 tile_run = (pixel_run - partial_tile_run) / 8; \
931 multiple_tile_map(combine_op, color_depth, alpha_op); \
932 map_ptr = second_ptr; \
934 tile_run = end / 8; \
935 multiple_tile_map(combine_op, color_depth, alpha_op); \
937 partial_tile_run = end % 8; \
938 if(partial_tile_run) \
940 partial_tile_left_map(combine_op, color_depth, alpha_op); \
945 #define render_scanline_dest_normal u16
946 #define render_scanline_dest_alpha u32
947 #define render_scanline_dest_alpha_obj u32
948 #define render_scanline_dest_color16 u16
949 #define render_scanline_dest_color32 u32
950 #define render_scanline_dest_partial_alpha u32
951 #define render_scanline_dest_copy_tile u16
952 #define render_scanline_dest_copy_bitmap u16
955 // If rendering a scanline that is not a target A then there's no point in
956 // keeping what's underneath it because it can't blend with it.
958 #define render_scanline_skip_alpha(bg_type, combine_op) \
959 if((pixel_combine & 0x00000200) == 0) \
961 render_scanline_##bg_type##_##combine_op##_color32(layer, \
962 start, end, scanline); \
967 #ifdef RENDER_COLOR16_NORMAL
969 #define render_scanline_extra_variables_base_normal(bg_type) \
970 const u32 pixel_combine = 0 \
974 #define render_scanline_extra_variables_base_normal(bg_type) \
975 u16 *palette = palette_ram_converted \
980 #define render_scanline_extra_variables_base_alpha(bg_type) \
981 u32 bg_combine = color_combine_mask(5); \
982 u32 pixel_combine = color_combine_mask(layer) | (bg_combine << 16); \
983 render_scanline_skip_alpha(bg_type, base) \
985 #define render_scanline_extra_variables_base_color() \
986 u32 bg_combine = color_combine_mask(5); \
987 u32 pixel_combine = color_combine_mask(layer) \
989 #define render_scanline_extra_variables_base_color16(bg_type) \
990 render_scanline_extra_variables_base_color() \
992 #define render_scanline_extra_variables_base_color32(bg_type) \
993 render_scanline_extra_variables_base_color() \
996 #define render_scanline_extra_variables_transparent_normal(bg_type) \
997 render_scanline_extra_variables_base_normal(bg_type) \
999 #define render_scanline_extra_variables_transparent_alpha(bg_type) \
1000 u32 pixel_combine = color_combine_mask(layer); \
1001 render_scanline_skip_alpha(bg_type, transparent) \
1003 #define render_scanline_extra_variables_transparent_color() \
1004 u32 pixel_combine = color_combine_mask(layer) \
1006 #define render_scanline_extra_variables_transparent_color16(bg_type) \
1007 render_scanline_extra_variables_transparent_color() \
1009 #define render_scanline_extra_variables_transparent_color32(bg_type) \
1010 render_scanline_extra_variables_transparent_color() \
1015 static const u32 map_widths[] = { 256, 512, 256, 512 };
1017 // Build text scanline rendering functions.
1019 #define render_scanline_text_builder(combine_op, alpha_op) \
1020 static void render_scanline_text_##combine_op##_##alpha_op(u32 layer, \
1021 u32 start, u32 end, void *scanline) \
1023 render_scanline_extra_variables_##combine_op##_##alpha_op(text); \
1024 u32 bg_control = io_registers[REG_BG0CNT + layer]; \
1025 u32 map_size = (bg_control >> 14) & 0x03; \
1026 u32 map_width = map_widths[map_size]; \
1027 u32 horizontal_offset = \
1028 (io_registers[REG_BG0HOFS + (layer * 2)] + start) % 512; \
1029 u32 vertical_offset = (io_registers[REG_VCOUNT] + \
1030 io_registers[REG_BG0VOFS + (layer * 2)]) % 512; \
1031 u32 current_pixel; \
1032 u32 current_pixels; \
1033 u32 partial_tile_run = 0; \
1034 u32 partial_tile_offset; \
1037 render_scanline_dest_##alpha_op *dest_ptr = \
1038 ((render_scanline_dest_##alpha_op *)scanline) + start; \
1040 u16 *map_base = (u16 *)(vram + ((bg_control >> 8) & 0x1F) * (1024 * 2)); \
1041 u16 *map_ptr, *second_ptr; \
1046 if((map_size & 0x02) && (vertical_offset >= 256)) \
1048 map_base += ((map_width / 8) * 32) + \
1049 (((vertical_offset - 256) / 8) * 32); \
1053 map_base += (((vertical_offset % 256) / 8) * 32); \
1056 if(map_size & 0x01) \
1058 if(horizontal_offset >= 256) \
1060 horizontal_offset -= 256; \
1061 map_ptr = map_base + (32 * 32) + (horizontal_offset / 8); \
1062 second_ptr = map_base; \
1066 map_ptr = map_base + (horizontal_offset / 8); \
1067 second_ptr = map_base + (32 * 32); \
1072 horizontal_offset %= 256; \
1073 map_ptr = map_base + (horizontal_offset / 8); \
1074 second_ptr = map_base; \
1077 if(bg_control & 0x80) \
1079 tile_render(8bpp, combine_op, alpha_op); \
1083 tile_render(4bpp, combine_op, alpha_op); \
1087 render_scanline_text_builder(base, normal);
1088 render_scanline_text_builder(transparent, normal);
1089 render_scanline_text_builder(base, color16);
1090 render_scanline_text_builder(transparent, color16);
1091 render_scanline_text_builder(base, color32);
1092 render_scanline_text_builder(transparent, color32);
1093 render_scanline_text_builder(base, alpha);
1094 render_scanline_text_builder(transparent, alpha);
1097 s32 affine_reference_x[2];
1098 s32 affine_reference_y[2];
1100 #define affine_render_bg_pixel_normal() \
1101 current_pixel = palette_ram_converted[0] \
1103 #define affine_render_bg_pixel_alpha() \
1104 current_pixel = bg_combine \
1106 #define affine_render_bg_pixel_color16() \
1107 affine_render_bg_pixel_alpha() \
1109 #define affine_render_bg_pixel_color32() \
1110 affine_render_bg_pixel_alpha() \
1112 #define affine_render_bg_pixel_base(alpha_op) \
1113 affine_render_bg_pixel_##alpha_op() \
1115 #define affine_render_bg_pixel_transparent(alpha_op) \
1117 #define affine_render_bg_pixel_copy(alpha_op) \
1119 #define affine_render_bg_base(alpha_op) \
1120 dest_ptr[0] = current_pixel
1122 #define affine_render_bg_transparent(alpha_op) \
1124 #define affine_render_bg_copy(alpha_op) \
1126 #define affine_render_bg_remainder_base(alpha_op) \
1127 affine_render_bg_pixel_##alpha_op(); \
1128 for(; i < end; i++) \
1130 affine_render_bg_base(alpha_op); \
1131 advance_dest_ptr_base(1); \
1134 #define affine_render_bg_remainder_transparent(alpha_op) \
1136 #define affine_render_bg_remainder_copy(alpha_op) \
1138 #define affine_render_next(combine_op) \
1141 advance_dest_ptr_##combine_op(1) \
1143 #define affine_render_scale_offset() \
1144 tile_base += ((pixel_y % 8) * 8); \
1145 map_base += (pixel_y / 8) << map_pitch \
1147 #define affine_render_scale_pixel(combine_op, alpha_op) \
1148 map_offset = (pixel_x / 8); \
1149 if(map_offset != last_map_offset) \
1151 tile_ptr = tile_base + (map_base[map_offset] * 64); \
1152 last_map_offset = map_offset; \
1154 tile_ptr = tile_base + (map_base[(pixel_x / 8)] * 64); \
1155 current_pixel = tile_ptr[(pixel_x % 8)]; \
1156 tile_8bpp_draw_##combine_op(0, none, 0, alpha_op); \
1157 affine_render_next(combine_op) \
1159 #define affine_render_scale(combine_op, alpha_op) \
1161 pixel_y = source_y >> 8; \
1163 affine_render_bg_pixel_##combine_op(alpha_op); \
1164 if((u32)pixel_y < (u32)width_height) \
1166 affine_render_scale_offset(); \
1167 for(; i < end; i++) \
1169 pixel_x = source_x >> 8; \
1171 if((u32)pixel_x < (u32)width_height) \
1176 affine_render_bg_##combine_op(alpha_op); \
1177 affine_render_next(combine_op); \
1180 for(; i < end; i++) \
1182 pixel_x = source_x >> 8; \
1184 if((u32)pixel_x >= (u32)width_height) \
1187 affine_render_scale_pixel(combine_op, alpha_op); \
1190 affine_render_bg_remainder_##combine_op(alpha_op); \
1193 #define affine_render_scale_wrap(combine_op, alpha_op) \
1195 u32 wrap_mask = width_height - 1; \
1196 pixel_y = (source_y >> 8) & wrap_mask; \
1197 if((u32)pixel_y < (u32)width_height) \
1199 affine_render_scale_offset(); \
1200 for(i = 0; i < end; i++) \
1202 pixel_x = (source_x >> 8) & wrap_mask; \
1203 affine_render_scale_pixel(combine_op, alpha_op); \
1209 #define affine_render_rotate_pixel(combine_op, alpha_op) \
1210 map_offset = (pixel_x / 8) + ((pixel_y / 8) << map_pitch); \
1211 if(map_offset != last_map_offset) \
1213 tile_ptr = tile_base + (map_base[map_offset] * 64); \
1214 last_map_offset = map_offset; \
1217 current_pixel = tile_ptr[(pixel_x % 8) + ((pixel_y % 8) * 8)]; \
1218 tile_8bpp_draw_##combine_op(0, none, 0, alpha_op); \
1219 affine_render_next(combine_op) \
1221 #define affine_render_rotate(combine_op, alpha_op) \
1223 affine_render_bg_pixel_##combine_op(alpha_op); \
1224 for(i = 0; i < end; i++) \
1226 pixel_x = source_x >> 8; \
1227 pixel_y = source_y >> 8; \
1229 if(((u32)pixel_x < (u32)width_height) && \
1230 ((u32)pixel_y < (u32)width_height)) \
1234 affine_render_bg_##combine_op(alpha_op); \
1235 affine_render_next(combine_op); \
1238 for(; i < end; i++) \
1240 pixel_x = source_x >> 8; \
1241 pixel_y = source_y >> 8; \
1243 if(((u32)pixel_x >= (u32)width_height) || \
1244 ((u32)pixel_y >= (u32)width_height)) \
1246 affine_render_bg_remainder_##combine_op(alpha_op); \
1250 affine_render_rotate_pixel(combine_op, alpha_op); \
1254 #define affine_render_rotate_wrap(combine_op, alpha_op) \
1256 u32 wrap_mask = width_height - 1; \
1257 for(i = 0; i < end; i++) \
1259 pixel_x = (source_x >> 8) & wrap_mask; \
1260 pixel_y = (source_y >> 8) & wrap_mask; \
1262 affine_render_rotate_pixel(combine_op, alpha_op); \
1267 // Build affine background renderers.
1269 #define render_scanline_affine_builder(combine_op, alpha_op) \
1270 void render_scanline_affine_##combine_op##_##alpha_op(u32 layer, \
1271 u32 start, u32 end, void *scanline) \
1273 render_scanline_extra_variables_##combine_op##_##alpha_op(affine); \
1274 u32 bg_control = io_registers[REG_BG0CNT + layer]; \
1275 u32 current_pixel; \
1276 s32 source_x, source_y; \
1277 u32 pixel_x, pixel_y; \
1278 u32 layer_offset = (layer - 2) * 8; \
1280 u32 map_size = (bg_control >> 14) & 0x03; \
1281 u32 width_height = 1 << (7 + map_size); \
1282 u32 map_pitch = map_size + 4; \
1283 u8 *map_base = vram + (((bg_control >> 8) & 0x1F) * (1024 * 2)); \
1284 u8 *tile_base = vram + (((bg_control >> 2) & 0x03) * (1024 * 16)); \
1285 u8 *tile_ptr = NULL; \
1286 u32 map_offset, last_map_offset = (u32)-1; \
1288 render_scanline_dest_##alpha_op *dest_ptr = \
1289 ((render_scanline_dest_##alpha_op *)scanline) + start; \
1291 dx = (s16)io_registers[REG_BG2PA + layer_offset]; \
1292 dy = (s16)io_registers[REG_BG2PC + layer_offset]; \
1293 source_x = affine_reference_x[layer - 2] + (start * dx); \
1294 source_y = affine_reference_y[layer - 2] + (start * dy); \
1298 switch(((bg_control >> 12) & 0x02) | (dy != 0)) \
1301 affine_render_scale(combine_op, alpha_op); \
1305 affine_render_rotate(combine_op, alpha_op); \
1309 affine_render_scale_wrap(combine_op, alpha_op); \
1313 affine_render_rotate_wrap(combine_op, alpha_op); \
1318 render_scanline_affine_builder(base, normal);
1319 render_scanline_affine_builder(transparent, normal);
1320 render_scanline_affine_builder(base, color16);
1321 render_scanline_affine_builder(transparent, color16);
1322 render_scanline_affine_builder(base, color32);
1323 render_scanline_affine_builder(transparent, color32);
1324 render_scanline_affine_builder(base, alpha);
1325 render_scanline_affine_builder(transparent, alpha);
1328 #define bitmap_render_pixel_mode3(alpha_op) \
1329 convert_palette(current_pixel); \
1330 *dest_ptr = current_pixel \
1332 #define bitmap_render_pixel_mode4(alpha_op) \
1333 tile_expand_base_##alpha_op(0) \
1335 #define bitmap_render_pixel_mode5(alpha_op) \
1336 bitmap_render_pixel_mode3(alpha_op) \
1339 #define bitmap_render_scale(type, alpha_op, width, height) \
1340 pixel_y = (source_y >> 8); \
1341 if((u32)pixel_y < (u32)height) \
1343 pixel_x = (source_x >> 8); \
1344 src_ptr += (pixel_y * width); \
1350 dest_ptr -= pixel_x; \
1357 src_ptr += pixel_x; \
1360 if((pixel_x + end) >= width) \
1361 end = (width - pixel_x); \
1363 for(i = 0; (s32)i < (s32)end; i++) \
1365 current_pixel = *src_ptr; \
1366 bitmap_render_pixel_##type(alpha_op); \
1373 if((u32)(source_y >> 8) < (u32)height) \
1375 for(i = 0; i < end; i++) \
1377 pixel_x = (source_x >> 8); \
1379 if((u32)pixel_x < (u32)width) \
1386 for(; i < end; i++) \
1388 pixel_x = (source_x >> 8); \
1390 if((u32)pixel_x >= (u32)width) \
1393 current_pixel = src_ptr[pixel_x]; \
1394 bitmap_render_pixel_##type(alpha_op); \
1403 #define bitmap_render_rotate(type, alpha_op, width, height) \
1404 for(i = 0; i < end; i++) \
1406 pixel_x = source_x >> 8; \
1407 pixel_y = source_y >> 8; \
1409 if(((u32)pixel_x < (u32)width) && ((u32)pixel_y < (u32)height)) \
1417 for(; i < end; i++) \
1419 pixel_x = (source_x >> 8); \
1420 pixel_y = (source_y >> 8); \
1422 if(((u32)pixel_x >= (u32)width) || ((u32)pixel_y >= (u32)height)) \
1425 current_pixel = src_ptr[pixel_x + (pixel_y * width)]; \
1426 bitmap_render_pixel_##type(alpha_op); \
1434 #define render_scanline_vram_setup_mode3() \
1435 u16 *src_ptr = (u16 *)vram \
1437 #define render_scanline_vram_setup_mode5() \
1439 if(io_registers[REG_DISPCNT] & 0x10) \
1440 src_ptr = (u16 *)(vram + 0xA000); \
1442 src_ptr = (u16 *)vram \
1445 #ifdef RENDER_COLOR16_NORMAL
1447 #define render_scanline_vram_setup_mode4() \
1448 const u32 pixel_combine = 0; \
1450 if(io_registers[REG_DISPCNT] & 0x10) \
1451 src_ptr = vram + 0xA000; \
1458 #define render_scanline_vram_setup_mode4() \
1459 u16 *palette = palette_ram_converted; \
1461 if(io_registers[REG_DISPCNT] & 0x10) \
1462 src_ptr = vram + 0xA000; \
1470 // Build bitmap scanline rendering functions.
1472 #define render_scanline_bitmap_builder(type, alpha_op, width, height) \
1473 static void render_scanline_bitmap_##type##_##alpha_op(u32 start, u32 end, \
1476 u32 current_pixel; \
1477 s32 source_x, source_y; \
1478 s32 pixel_x, pixel_y; \
1480 s32 dx = (s16)io_registers[REG_BG2PA]; \
1481 s32 dy = (s16)io_registers[REG_BG2PC]; \
1485 render_scanline_dest_##alpha_op *dest_ptr = \
1486 ((render_scanline_dest_##alpha_op *)scanline) + start; \
1487 render_scanline_vram_setup_##type(); \
1491 source_x = affine_reference_x[0] + (start * dx); \
1492 source_y = affine_reference_y[0] + (start * dy); \
1496 bitmap_render_scale(type, alpha_op, width, height); \
1500 bitmap_render_rotate(type, alpha_op, width, height); \
1504 render_scanline_bitmap_builder(mode3, normal, 240, 160);
1505 render_scanline_bitmap_builder(mode4, normal, 240, 160);
1506 render_scanline_bitmap_builder(mode5, normal, 160, 128);
1509 // Fill in the renderers for a layer based on the mode type,
1511 #define tile_layer_render_functions(type) \
1513 render_scanline_##type##_base_normal, \
1514 render_scanline_##type##_transparent_normal, \
1515 render_scanline_##type##_base_alpha, \
1516 render_scanline_##type##_transparent_alpha, \
1517 render_scanline_##type##_base_color16, \
1518 render_scanline_##type##_transparent_color16, \
1519 render_scanline_##type##_base_color32, \
1520 render_scanline_##type##_transparent_color32 \
1524 // Use if a layer is unsupported for that mode.
1526 #define tile_layer_render_null() \
1528 NULL, NULL, NULL, NULL \
1531 #define bitmap_layer_render_functions(type) \
1533 render_scanline_bitmap_##type##_normal \
1536 // Structs containing functions to render the layers for each mode, for
1537 // each render type.
1538 static const tile_layer_render_struct tile_mode_renderers[3][4] =
1541 tile_layer_render_functions(text), tile_layer_render_functions(text),
1542 tile_layer_render_functions(text), tile_layer_render_functions(text)
1545 tile_layer_render_functions(text), tile_layer_render_functions(text),
1546 tile_layer_render_functions(affine), tile_layer_render_functions(text)
1549 tile_layer_render_functions(text), tile_layer_render_functions(text),
1550 tile_layer_render_functions(affine), tile_layer_render_functions(affine)
1554 static const bitmap_layer_render_struct bitmap_mode_renderers[3] =
1556 bitmap_layer_render_functions(mode3),
1557 bitmap_layer_render_functions(mode4),
1558 bitmap_layer_render_functions(mode5)
1562 #define render_scanline_layer_functions_tile() \
1563 const tile_layer_render_struct *layer_renderers = \
1564 tile_mode_renderers[dispcnt & 0x07] \
1566 #define render_scanline_layer_functions_bitmap() \
1567 const bitmap_layer_render_struct *layer_renderers = \
1568 bitmap_mode_renderers + ((dispcnt & 0x07) - 3) \
1571 // Adjust a flipped obj's starting position
1573 #define obj_tile_offset_noflip(color_depth) \
1575 #define obj_tile_offset_flip(color_depth) \
1576 + (tile_size_##color_depth * ((obj_width - 8) / 8)) \
1579 // Adjust the obj's starting point if it goes too far off the left edge of
1582 #define obj_tile_right_offset_noflip(color_depth) \
1583 tile_ptr += (partial_tile_offset / 8) * tile_size_##color_depth \
1585 #define obj_tile_right_offset_flip(color_depth) \
1586 tile_ptr -= (partial_tile_offset / 8) * tile_size_##color_depth \
1588 // Get the current row offset into an obj in 1D map space
1590 #define obj_tile_offset_1D(color_depth, flip_op) \
1591 tile_ptr = tile_base + ((obj_attribute_2 & 0x3FF) * 32) \
1592 + ((vertical_offset / 8) * (obj_width / 8) * tile_size_##color_depth) \
1593 + ((vertical_offset % 8) * tile_width_##color_depth) \
1594 obj_tile_offset_##flip_op(color_depth) \
1596 // Get the current row offset into an obj in 2D map space
1598 #define obj_tile_offset_2D(color_depth, flip_op) \
1599 tile_ptr = tile_base + ((obj_attribute_2 & 0x3FF) * 32) \
1600 + ((vertical_offset / 8) * 1024) \
1601 + ((vertical_offset % 8) * tile_width_##color_depth) \
1602 obj_tile_offset_##flip_op(color_depth) \
1605 // Get the palette for 4bpp obj.
1607 #define obj_get_palette_4bpp() \
1608 current_palette = (obj_attribute_2 >> 8) & 0xF0 \
1610 #define obj_get_palette_8bpp() \
1613 // Render the current row of an obj.
1615 #define obj_render(combine_op, color_depth, alpha_op, map_space, flip_op) \
1617 obj_get_palette_##color_depth(); \
1618 obj_tile_offset_##map_space(color_depth, flip_op); \
1620 if(obj_x < (s32)start) \
1622 dest_ptr = scanline + start; \
1623 pixel_run = obj_width - (start - obj_x); \
1624 if((s32)pixel_run > 0) \
1626 if((obj_x + obj_width) >= end) \
1628 pixel_run = end - start; \
1629 partial_tile_offset = start - obj_x; \
1630 obj_tile_right_offset_##flip_op(color_depth); \
1631 partial_tile_offset %= 8; \
1633 if(partial_tile_offset) \
1635 partial_tile_run = 8 - partial_tile_offset; \
1636 if((s32)pixel_run < (s32)partial_tile_run) \
1638 if((s32)pixel_run > 0) \
1640 partial_tile_run = pixel_run; \
1641 partial_tile_mid_obj(combine_op, color_depth, alpha_op, \
1648 pixel_run -= partial_tile_run; \
1649 partial_tile_right_obj(combine_op, color_depth, alpha_op, \
1653 tile_run = pixel_run / 8; \
1654 multiple_tile_obj(combine_op, color_depth, alpha_op, flip_op); \
1655 partial_tile_run = pixel_run % 8; \
1656 if(partial_tile_run) \
1658 partial_tile_left_obj(combine_op, color_depth, alpha_op, \
1664 partial_tile_offset = start - obj_x; \
1665 obj_tile_right_offset_##flip_op(color_depth); \
1666 partial_tile_offset %= 8; \
1667 if(partial_tile_offset) \
1669 partial_tile_run = 8 - partial_tile_offset; \
1670 partial_tile_right_obj(combine_op, color_depth, alpha_op, \
1673 tile_run = pixel_run / 8; \
1674 multiple_tile_obj(combine_op, color_depth, alpha_op, flip_op); \
1680 if((obj_x + obj_width) >= end) \
1682 pixel_run = end - obj_x; \
1683 if((s32)pixel_run > 0) \
1685 dest_ptr = scanline + obj_x; \
1686 tile_run = pixel_run / 8; \
1687 multiple_tile_obj(combine_op, color_depth, alpha_op, flip_op); \
1688 partial_tile_run = pixel_run % 8; \
1689 if(partial_tile_run) \
1691 partial_tile_left_obj(combine_op, color_depth, alpha_op, flip_op); \
1697 dest_ptr = scanline + obj_x; \
1698 tile_run = obj_width / 8; \
1699 multiple_tile_obj(combine_op, color_depth, alpha_op, flip_op); \
1703 #define obj_scale_offset_1D(color_depth) \
1704 tile_ptr = tile_base + ((obj_attribute_2 & 0x3FF) * 32) \
1705 + ((vertical_offset / 8) * (max_x / 8) * tile_size_##color_depth) \
1706 + ((vertical_offset % 8) * tile_width_##color_depth) \
1708 // Get the current row offset into an obj in 2D map space
1710 #define obj_scale_offset_2D(color_depth) \
1711 tile_ptr = tile_base + ((obj_attribute_2 & 0x3FF) * 32) \
1712 + ((vertical_offset / 8) * 1024) \
1713 + ((vertical_offset % 8) * tile_width_##color_depth) \
1715 #define obj_render_scale_pixel_4bpp(combine_op, alpha_op) \
1718 current_pixel = tile_ptr[tile_map_offset + ((tile_x >> 1) & 0x03)] >> 4; \
1723 tile_ptr[tile_map_offset + ((tile_x >> 1) & 0x03)] & 0x0F; \
1726 tile_4bpp_draw_##combine_op(0, none, 0, alpha_op) \
1729 #define obj_render_scale_pixel_8bpp(combine_op, alpha_op) \
1730 current_pixel = tile_ptr[tile_map_offset + (tile_x & 0x07)]; \
1731 tile_8bpp_draw_##combine_op(0, none, 0, alpha_op); \
1733 #define obj_render_scale(combine_op, color_depth, alpha_op, map_space) \
1735 u32 vertical_offset; \
1736 source_y += (y_delta * dmy); \
1737 vertical_offset = (source_y >> 8); \
1738 if((u32)vertical_offset < (u32)max_y) \
1740 obj_scale_offset_##map_space(color_depth); \
1741 source_x += (y_delta * dmx) - (middle_x * dx); \
1743 for(i = 0; i < obj_width; i++) \
1745 tile_x = (source_x >> 8); \
1747 if((u32)tile_x < (u32)max_x) \
1751 advance_dest_ptr_##combine_op(1); \
1754 for(; i < obj_width; i++) \
1756 tile_x = (source_x >> 8); \
1758 if((u32)tile_x >= (u32)max_x) \
1761 tile_map_offset = (tile_x >> 3) * tile_size_##color_depth; \
1762 obj_render_scale_pixel_##color_depth(combine_op, alpha_op); \
1765 advance_dest_ptr_##combine_op(1); \
1771 #define obj_rotate_offset_1D(color_depth) \
1772 obj_tile_pitch = (max_x / 8) * tile_size_##color_depth \
1774 #define obj_rotate_offset_2D(color_depth) \
1775 obj_tile_pitch = 1024 \
1777 #define obj_render_rotate_pixel_4bpp(combine_op, alpha_op) \
1780 current_pixel = tile_ptr[tile_map_offset + \
1781 ((tile_x >> 1) & 0x03) + ((tile_y & 0x07) * obj_pitch)] >> 4; \
1785 current_pixel = tile_ptr[tile_map_offset + \
1786 ((tile_x >> 1) & 0x03) + ((tile_y & 0x07) * obj_pitch)] & 0x0F; \
1789 tile_4bpp_draw_##combine_op(0, none, 0, alpha_op) \
1791 #define obj_render_rotate_pixel_8bpp(combine_op, alpha_op) \
1792 current_pixel = tile_ptr[tile_map_offset + \
1793 (tile_x & 0x07) + ((tile_y & 0x07) * obj_pitch)]; \
1795 tile_8bpp_draw_##combine_op(0, none, 0, alpha_op) \
1797 #define obj_render_rotate(combine_op, color_depth, alpha_op, map_space) \
1799 tile_ptr = tile_base + ((obj_attribute_2 & 0x3FF) * 32); \
1800 obj_rotate_offset_##map_space(color_depth); \
1802 source_x += (y_delta * dmx) - (middle_x * dx); \
1803 source_y += (y_delta * dmy) - (middle_x * dy); \
1805 for(i = 0; i < obj_width; i++) \
1807 tile_x = (source_x >> 8); \
1808 tile_y = (source_y >> 8); \
1810 if(((u32)tile_x < (u32)max_x) && ((u32)tile_y < (u32)max_y)) \
1815 advance_dest_ptr_##combine_op(1); \
1818 for(; i < obj_width; i++) \
1820 tile_x = (source_x >> 8); \
1821 tile_y = (source_y >> 8); \
1823 if(((u32)tile_x >= (u32)max_x) || ((u32)tile_y >= (u32)max_y)) \
1826 tile_map_offset = ((tile_x >> 3) * tile_size_##color_depth) + \
1827 ((tile_y >> 3) * obj_tile_pitch); \
1828 obj_render_rotate_pixel_##color_depth(combine_op, alpha_op); \
1832 advance_dest_ptr_##combine_op(1); \
1836 // Render the current row of an affine transformed OBJ.
1838 #define obj_render_affine(combine_op, color_depth, alpha_op, map_space) \
1840 s16 *params = (s16 *)oam_ram + (((obj_attribute_1 >> 9) & 0x1F) * 16); \
1841 s32 dx = params[3]; \
1842 s32 dmx = params[7]; \
1843 s32 dy = params[11]; \
1844 s32 dmy = params[15]; \
1845 s32 source_x, source_y; \
1846 s32 tile_x, tile_y; \
1847 u32 tile_map_offset; \
1850 s32 max_x = obj_width; \
1851 s32 max_y = obj_height; \
1853 u32 obj_pitch = tile_width_##color_depth; \
1854 u32 obj_tile_pitch; \
1856 middle_x = (obj_width / 2); \
1857 middle_y = (obj_height / 2); \
1859 source_x = (middle_x << 8); \
1860 source_y = (middle_y << 8); \
1863 if(obj_attribute_0 & 0x200) \
1871 if((s32)obj_x < (s32)start) \
1873 u32 x_delta = start - obj_x; \
1874 middle_x -= x_delta; \
1875 obj_width -= x_delta; \
1878 if((s32)obj_width <= 0) \
1882 if((s32)(obj_x + obj_width) >= (s32)end) \
1884 obj_width = end - obj_x; \
1886 if((s32)obj_width <= 0) \
1889 dest_ptr = scanline + obj_x; \
1891 y_delta = vcount - (obj_y + middle_y); \
1893 obj_get_palette_##color_depth(); \
1897 obj_render_scale(combine_op, color_depth, alpha_op, map_space); \
1901 obj_render_rotate(combine_op, color_depth, alpha_op, map_space); \
1905 static const u32 obj_width_table[] =
1906 { 8, 16, 32, 64, 16, 32, 32, 64, 8, 8, 16, 32 };
1907 static const u32 obj_height_table[] =
1908 { 8, 16, 32, 64, 8, 8, 16, 32, 16, 32, 32, 64 };
1910 static u8 obj_priority_list[5][160][128];
1911 static u32 obj_priority_count[5][160];
1912 static u32 obj_alpha_count[160];
1915 // Build obj rendering functions
1917 #ifdef RENDER_COLOR16_NORMAL
1919 #define render_scanline_obj_extra_variables_normal(bg_type) \
1920 const u32 pixel_combine = (1 << 8) \
1924 #define render_scanline_obj_extra_variables_normal(bg_type) \
1925 u16 *palette = palette_ram_converted + 256 \
1930 #define render_scanline_obj_extra_variables_color() \
1931 u32 pixel_combine = color_combine_mask(4) | (1 << 8) \
1933 #define render_scanline_obj_extra_variables_alpha_obj(map_space) \
1934 render_scanline_obj_extra_variables_color(); \
1936 if((pixel_combine & 0x00000200) == 0) \
1938 render_scanline_obj_color32_##map_space(priority, start, end, scanline); \
1942 #define render_scanline_obj_extra_variables_color16(map_space) \
1943 render_scanline_obj_extra_variables_color() \
1945 #define render_scanline_obj_extra_variables_color32(map_space) \
1946 render_scanline_obj_extra_variables_color() \
1948 #define render_scanline_obj_extra_variables_partial_alpha(map_space) \
1949 render_scanline_obj_extra_variables_color(); \
1950 u32 base_pixel_combine = pixel_combine; \
1953 #define render_scanline_obj_extra_variables_copy(type) \
1954 u32 bldcnt = io_registers[REG_BLDCNT]; \
1955 u32 dispcnt = io_registers[REG_DISPCNT]; \
1956 u32 obj_enable = io_registers[REG_WINOUT] >> 8; \
1957 render_scanline_layer_functions_##type(); \
1958 u32 copy_start, copy_end; \
1959 u16 copy_buffer[240]; \
1962 #define render_scanline_obj_extra_variables_copy_tile(map_space) \
1963 render_scanline_obj_extra_variables_copy(tile) \
1965 #define render_scanline_obj_extra_variables_copy_bitmap(map_space) \
1966 render_scanline_obj_extra_variables_copy(bitmap) \
1969 #define render_scanline_obj_main(combine_op, alpha_op, map_space) \
1970 if(obj_attribute_0 & 0x100) \
1972 if((obj_attribute_0 >> 13) & 0x01) \
1974 obj_render_affine(combine_op, 8bpp, alpha_op, map_space); \
1978 obj_render_affine(combine_op, 4bpp, alpha_op, map_space); \
1983 vertical_offset = vcount - obj_y; \
1985 if((obj_attribute_1 >> 13) & 0x01) \
1986 vertical_offset = obj_height - vertical_offset - 1; \
1988 switch(((obj_attribute_0 >> 12) & 0x02) | \
1989 ((obj_attribute_1 >> 12) & 0x01)) \
1992 obj_render(combine_op, 4bpp, alpha_op, map_space, noflip); \
1996 obj_render(combine_op, 4bpp, alpha_op, map_space, flip); \
2000 obj_render(combine_op, 8bpp, alpha_op, map_space, noflip); \
2004 obj_render(combine_op, 8bpp, alpha_op, map_space, flip); \
2009 #define render_scanline_obj_no_partial_alpha(combine_op, alpha_op, map_space) \
2010 render_scanline_obj_main(combine_op, alpha_op, map_space) \
2012 #define render_scanline_obj_partial_alpha(combine_op, alpha_op, map_space) \
2013 if((obj_attribute_0 >> 10) & 0x03) \
2015 pixel_combine = 0x00000300; \
2016 render_scanline_obj_main(combine_op, alpha_obj, map_space); \
2020 pixel_combine = base_pixel_combine; \
2021 render_scanline_obj_main(combine_op, color32, map_space); \
2024 #define render_scanline_obj_prologue_transparent(alpha_op) \
2026 #define render_scanline_obj_prologue_copy_body(type) \
2027 copy_start = obj_x; \
2028 if(obj_attribute_0 & 0x200) \
2029 copy_end = obj_x + (obj_width * 2); \
2031 copy_end = obj_x + obj_width; \
2033 if(copy_start < start) \
2034 copy_start = start; \
2035 if(copy_end > end) \
2038 if((copy_start < end) && (copy_end > start)) \
2040 render_scanline_conditional_##type(copy_start, copy_end, copy_buffer, \
2041 obj_enable, dispcnt, bldcnt, layer_renderers); \
2042 copy_ptr = copy_buffer + copy_start; \
2049 #define render_scanline_obj_prologue_copy_tile() \
2050 render_scanline_obj_prologue_copy_body(tile) \
2052 #define render_scanline_obj_prologue_copy_bitmap() \
2053 render_scanline_obj_prologue_copy_body(bitmap) \
2055 #define render_scanline_obj_prologue_copy(alpha_op) \
2056 render_scanline_obj_prologue_##alpha_op() \
2059 #define render_scanline_obj_builder(combine_op, alpha_op, map_space, \
2061 static void render_scanline_obj_##alpha_op##_##map_space(u32 priority, \
2062 u32 start, u32 end, render_scanline_dest_##alpha_op *scanline) \
2064 render_scanline_obj_extra_variables_##alpha_op(map_space); \
2068 s32 obj_width, obj_height; \
2069 u32 obj_attribute_0, obj_attribute_1, obj_attribute_2; \
2070 s32 vcount = io_registers[REG_VCOUNT]; \
2072 u32 current_pixels; \
2073 u32 current_pixel; \
2074 u32 current_palette; \
2075 u32 vertical_offset; \
2076 u32 partial_tile_run, partial_tile_offset; \
2079 render_scanline_dest_##alpha_op *dest_ptr; \
2080 u8 *tile_base = vram + 0x10000; \
2082 u32 obj_count = obj_priority_count[priority][vcount]; \
2083 u8 *obj_list = obj_priority_list[priority][vcount]; \
2085 for(obj_num = 0; obj_num < obj_count; obj_num++) \
2087 oam_ptr = oam_ram + (obj_list[obj_num] * 4); \
2088 obj_attribute_0 = oam_ptr[0]; \
2089 obj_attribute_1 = oam_ptr[1]; \
2090 obj_attribute_2 = oam_ptr[2]; \
2091 obj_size = ((obj_attribute_0 >> 12) & 0x0C) | (obj_attribute_1 >> 14); \
2093 obj_x = (s32)(obj_attribute_1 << 23) >> 23; \
2094 obj_width = obj_width_table[obj_size]; \
2096 render_scanline_obj_prologue_##combine_op(alpha_op); \
2098 obj_y = obj_attribute_0 & 0xFF; \
2103 obj_height = obj_height_table[obj_size]; \
2104 render_scanline_obj_##partial_alpha_op(combine_op, alpha_op, map_space); \
2108 render_scanline_obj_builder(transparent, normal, 1D, no_partial_alpha);
2109 render_scanline_obj_builder(transparent, normal, 2D, no_partial_alpha);
2110 render_scanline_obj_builder(transparent, color16, 1D, no_partial_alpha);
2111 render_scanline_obj_builder(transparent, color16, 2D, no_partial_alpha);
2112 render_scanline_obj_builder(transparent, color32, 1D, no_partial_alpha);
2113 render_scanline_obj_builder(transparent, color32, 2D, no_partial_alpha);
2114 render_scanline_obj_builder(transparent, alpha_obj, 1D, no_partial_alpha);
2115 render_scanline_obj_builder(transparent, alpha_obj, 2D, no_partial_alpha);
2116 render_scanline_obj_builder(transparent, partial_alpha, 1D, partial_alpha);
2117 render_scanline_obj_builder(transparent, partial_alpha, 2D, partial_alpha);
2118 render_scanline_obj_builder(copy, copy_tile, 1D, no_partial_alpha);
2119 render_scanline_obj_builder(copy, copy_tile, 2D, no_partial_alpha);
2120 render_scanline_obj_builder(copy, copy_bitmap, 1D, no_partial_alpha);
2121 render_scanline_obj_builder(copy, copy_bitmap, 2D, no_partial_alpha);
2125 static void order_obj(u32 video_mode)
2127 s32 obj_num, priority, row;
2129 s32 obj_size, obj_mode;
2130 s32 obj_width, obj_height;
2132 u32 obj_attribute_0, obj_attribute_1, obj_attribute_2;
2134 u16 *oam_ptr = oam_ram + 508;
2136 for(priority = 0; priority < 5; priority++)
2138 for(row = 0; row < 160; row++)
2140 obj_priority_count[priority][row] = 0;
2144 for(row = 0; row < 160; row++)
2146 obj_alpha_count[row] = 0;
2149 for(obj_num = 127; obj_num >= 0; obj_num--, oam_ptr -= 4)
2151 obj_attribute_0 = oam_ptr[0];
2152 obj_attribute_2 = oam_ptr[2];
2153 obj_size = obj_attribute_0 & 0xC000;
2154 obj_priority = (obj_attribute_2 >> 10) & 0x03;
2155 obj_mode = (obj_attribute_0 >> 10) & 0x03;
2157 if(((obj_attribute_0 & 0x0300) != 0x0200) && (obj_size != 0xC000) &&
2158 (obj_mode != 3) && ((video_mode < 3) ||
2159 ((obj_attribute_2 & 0x3FF) >= 512)))
2161 obj_y = obj_attribute_0 & 0xFF;
2165 obj_attribute_1 = oam_ptr[1];
2166 obj_size = ((obj_size >> 12) & 0x0C) | (obj_attribute_1 >> 14);
2167 obj_height = obj_height_table[obj_size];
2168 obj_width = obj_width_table[obj_size];
2170 if(obj_attribute_0 & 0x200)
2176 if(((obj_y + obj_height) > 0) && (obj_y < 160))
2178 obj_x = (s32)(obj_attribute_1 << 23) >> 23;
2180 if(((obj_x + obj_width) > 0) && (obj_x < 240))
2184 obj_height += obj_y;
2188 if((obj_y + obj_height) >= 160)
2190 obj_height = 160 - obj_y;
2195 for(row = obj_y; row < obj_y + obj_height; row++)
2197 current_count = obj_priority_count[obj_priority][row];
2198 obj_priority_list[obj_priority][row][current_count] = obj_num;
2199 obj_priority_count[obj_priority][row] = current_count + 1;
2200 obj_alpha_count[row]++;
2210 for(row = obj_y; row < obj_y + obj_height; row++)
2212 current_count = obj_priority_count[obj_priority][row];
2213 obj_priority_list[obj_priority][row][current_count] = obj_num;
2214 obj_priority_count[obj_priority][row] = current_count + 1;
2223 u32 layer_order[16];
2226 static void order_layers(u32 layer_flags)
2228 s32 priority, layer_number;
2231 for(priority = 3; priority >= 0; priority--)
2233 for(layer_number = 3; layer_number >= 0; layer_number--)
2235 if(((layer_flags >> layer_number) & 1) &&
2236 ((io_registers[REG_BG0CNT + layer_number] & 0x03) == priority))
2238 layer_order[layer_count] = layer_number;
2243 if((obj_priority_count[priority][io_registers[REG_VCOUNT]] > 0)
2244 && (layer_flags & 0x10))
2246 layer_order[layer_count] = priority | 0x04;
2252 #define fill_line(_start, _end) \
2255 for(i = _start; i < _end; i++) \
2257 dest_ptr[i] = color; \
2261 #define fill_line_color_normal() \
2262 color = palette_ram_converted[color] \
2264 #define fill_line_color_alpha() \
2266 #define fill_line_color_color16() \
2268 #define fill_line_color_color32() \
2270 #define fill_line_builder(type) \
2271 static void fill_line_##type(u16 color, render_scanline_dest_##type *dest_ptr,\
2272 u32 start, u32 end) \
2274 fill_line_color_##type(); \
2275 fill_line(start, end); \
2278 fill_line_builder(normal);
2279 fill_line_builder(alpha);
2280 fill_line_builder(color16);
2281 fill_line_builder(color32);
2284 // Alpha blend two pixels (pixel_top and pixel_bottom).
2286 #define blend_pixel() \
2287 pixel_bottom = palette_ram_converted[(pixel_pair >> 16) & 0x1FF]; \
2288 pixel_bottom = (pixel_bottom | (pixel_bottom << 16)) & 0x07E0F81F; \
2289 pixel_top = ((pixel_top * blend_a) + (pixel_bottom * blend_b)) >> 4 \
2292 // Alpha blend two pixels, allowing for saturation (individual channels > 31).
2293 // The operation is optimized towards saturation not occuring.
2295 #define blend_saturate_pixel() \
2296 pixel_bottom = palette_ram_converted[(pixel_pair >> 16) & 0x1FF]; \
2297 pixel_bottom = (pixel_bottom | (pixel_bottom << 16)) & 0x07E0F81F; \
2298 pixel_top = ((pixel_top * blend_a) + (pixel_bottom * blend_b)) >> 4; \
2299 if(pixel_top & 0x08010020) \
2301 if(pixel_top & 0x08000000) \
2302 pixel_top |= 0x07E00000; \
2304 if(pixel_top & 0x00010000) \
2305 pixel_top |= 0x0000F800; \
2307 if(pixel_top & 0x00000020) \
2308 pixel_top |= 0x0000001F; \
2311 #define brighten_pixel() \
2312 pixel_top = upper + ((pixel_top * blend) >> 4); \
2314 #define darken_pixel() \
2315 pixel_top = (pixel_top * blend) >> 4; \
2317 #define effect_condition_alpha \
2318 ((pixel_pair & 0x04000200) == 0x04000200) \
2320 #define effect_condition_fade(pixel_source) \
2321 ((pixel_source & 0x00000200) == 0x00000200) \
2323 #define expand_pixel_no_dest(expand_type, pixel_source) \
2324 pixel_top = (pixel_top | (pixel_top << 16)) & 0x07E0F81F; \
2325 expand_type##_pixel(); \
2326 pixel_top &= 0x07E0F81F; \
2327 pixel_top = (pixel_top >> 16) | pixel_top \
2329 #define expand_pixel(expand_type, pixel_source) \
2330 pixel_top = palette_ram_converted[pixel_source & 0x1FF]; \
2331 expand_pixel_no_dest(expand_type, pixel_source); \
2332 *screen_dest_ptr = pixel_top \
2334 #define expand_loop(expand_type, effect_condition, pixel_source) \
2335 screen_src_ptr += start; \
2336 screen_dest_ptr += start; \
2340 for(i = 0; i < end; i++) \
2342 pixel_source = *screen_src_ptr; \
2343 if(effect_condition) \
2345 expand_pixel(expand_type, pixel_source); \
2349 *screen_dest_ptr = \
2350 palette_ram_converted[pixel_source & 0x1FF]; \
2354 screen_dest_ptr++; \
2358 #define expand_loop_partial_alpha(alpha_expand, expand_type) \
2359 screen_src_ptr += start; \
2360 screen_dest_ptr += start; \
2364 for(i = 0; i < end; i++) \
2366 pixel_pair = *screen_src_ptr; \
2367 if(effect_condition_fade(pixel_pair)) \
2369 if(effect_condition_alpha) \
2371 expand_pixel(alpha_expand, pixel_pair); \
2375 expand_pixel(expand_type, pixel_pair); \
2380 *screen_dest_ptr = \
2381 palette_ram_converted[pixel_pair & 0x1FF]; \
2385 screen_dest_ptr++; \
2389 #define expand_partial_alpha(expand_type) \
2390 if((blend_a + blend_b) > 16) \
2392 expand_loop_partial_alpha(blend_saturate, expand_type); \
2396 expand_loop_partial_alpha(blend, expand_type); \
2401 // Blend top two pixels of scanline with each other.
2403 #ifdef RENDER_COLOR16_NORMAL
2407 void expand_normal(u16 *screen_ptr, u32 start, u32 end)
2409 u32 i, pixel_source;
2410 screen_ptr += start;
2416 for(i = 0; i < end; i++)
2418 pixel_source = *screen_ptr;
2419 *screen_ptr = palette_ram_converted[pixel_source];
2429 #define expand_normal(screen_ptr, start, end)
2434 void expand_blend(u32 *screen_src_ptr, u16 *screen_dest_ptr,
2435 u32 start, u32 end);
2439 void expand_blend(u32 *screen_src_ptr, u16 *screen_dest_ptr,
2443 u32 pixel_top, pixel_bottom;
2444 u32 bldalpha = io_registers[REG_BLDALPHA];
2445 u32 blend_a = bldalpha & 0x1F;
2446 u32 blend_b = (bldalpha >> 8) & 0x1F;
2455 // The individual colors can saturate over 31, this should be taken
2456 // care of in an alternate pass as it incurs a huge additional speedhit.
2457 if((blend_a + blend_b) > 16)
2459 expand_loop(blend_saturate, effect_condition_alpha, pixel_pair);
2463 expand_loop(blend, effect_condition_alpha, pixel_pair);
2469 // Blend scanline with white.
2471 static void expand_darken(u16 *screen_src_ptr, u16 *screen_dest_ptr,
2475 s32 blend = 16 - (io_registers[REG_BLDY] & 0x1F);
2481 expand_loop(darken, effect_condition_fade(pixel_top), pixel_top);
2485 // Blend scanline with black.
2487 static void expand_brighten(u16 *screen_src_ptr, u16 *screen_dest_ptr,
2491 u32 blend = io_registers[REG_BLDY] & 0x1F;
2498 upper = ((0x07E0F81F * blend) >> 4) & 0x07E0F81F;
2501 expand_loop(brighten, effect_condition_fade(pixel_top), pixel_top);
2506 // Expand scanline such that if both top and bottom pass it's alpha,
2507 // if only top passes it's as specified, and if neither pass it's normal.
2509 static void expand_darken_partial_alpha(u32 *screen_src_ptr, u16 *screen_dest_ptr,
2512 s32 blend = 16 - (io_registers[REG_BLDY] & 0x1F);
2514 u32 pixel_top, pixel_bottom;
2515 u32 bldalpha = io_registers[REG_BLDALPHA];
2516 u32 blend_a = bldalpha & 0x1F;
2517 u32 blend_b = (bldalpha >> 8) & 0x1F;
2529 expand_partial_alpha(darken);
2533 static void expand_brighten_partial_alpha(u32 *screen_src_ptr, u16 *screen_dest_ptr,
2536 s32 blend = io_registers[REG_BLDY] & 0x1F;
2538 u32 pixel_top, pixel_bottom;
2539 u32 bldalpha = io_registers[REG_BLDALPHA];
2540 u32 blend_a = bldalpha & 0x1F;
2541 u32 blend_b = (bldalpha >> 8) & 0x1F;
2548 upper = ((0x07E0F81F * blend) >> 4) & 0x07E0F81F;
2557 expand_partial_alpha(brighten);
2561 // Render an OBJ layer from start to end, depending on the type (1D or 2D)
2562 // stored in dispcnt.
2564 #define render_obj_layer(type, dest, _start, _end) \
2565 current_layer &= ~0x04; \
2566 if(dispcnt & 0x40) \
2567 render_scanline_obj_##type##_1D(current_layer, _start, _end, dest); \
2569 render_scanline_obj_##type##_2D(current_layer, _start, _end, dest) \
2572 // Render a target all the way with the background color as taken from the
2575 #define fill_line_bg(type, dest, _start, _end) \
2576 fill_line_##type(0, dest, _start, _end) \
2579 // Render all layers as they appear in the layer order.
2581 #define render_layers(tile_alpha, obj_alpha, dest) \
2583 current_layer = layer_order[0]; \
2584 if(current_layer & 0x04) \
2586 /* If the first one is OBJ render the background then render it. */ \
2587 fill_line_bg(tile_alpha, dest, 0, 240); \
2588 render_obj_layer(obj_alpha, dest, 0, 240); \
2592 /* Otherwise render a base layer. */ \
2593 layer_renderers[current_layer].tile_alpha##_render_base(current_layer, \
2597 /* Render the rest of the layers. */ \
2598 for(layer_order_pos = 1; layer_order_pos < layer_count; layer_order_pos++) \
2600 current_layer = layer_order[layer_order_pos]; \
2601 if(current_layer & 0x04) \
2603 render_obj_layer(obj_alpha, dest, 0, 240); \
2607 layer_renderers[current_layer]. \
2608 tile_alpha##_render_transparent(current_layer, 0, 240, dest); \
2613 #define render_condition_alpha \
2614 (((io_registers[REG_BLDALPHA] & 0x1F1F) != 0x001F) && \
2615 ((io_registers[REG_BLDCNT] & 0x3F) != 0) && \
2616 ((io_registers[REG_BLDCNT] & 0x3F00) != 0)) \
2618 #define render_condition_fade \
2619 (((io_registers[REG_BLDY] & 0x1F) != 0) && \
2620 ((io_registers[REG_BLDCNT] & 0x3F) != 0)) \
2622 #define render_layers_color_effect(renderer, layer_condition, \
2623 alpha_condition, fade_condition, _start, _end) \
2625 if(layer_condition) \
2627 if(obj_alpha_count[io_registers[REG_VCOUNT]] > 0) \
2629 /* Render based on special effects mode. */ \
2630 u32 screen_buffer[240]; \
2631 switch((bldcnt >> 6) & 0x03) \
2636 if(alpha_condition) \
2638 renderer(alpha, alpha_obj, screen_buffer); \
2639 expand_blend(screen_buffer, scanline, _start, _end); \
2645 /* Fade to white */ \
2648 if(fade_condition) \
2650 renderer(color32, partial_alpha, screen_buffer); \
2651 expand_brighten_partial_alpha(screen_buffer, scanline, \
2658 /* Fade to black */ \
2661 if(fade_condition) \
2663 renderer(color32, partial_alpha, screen_buffer); \
2664 expand_darken_partial_alpha(screen_buffer, scanline, \
2672 renderer(color32, partial_alpha, screen_buffer); \
2673 expand_blend(screen_buffer, scanline, _start, _end); \
2677 /* Render based on special effects mode. */ \
2678 switch((bldcnt >> 6) & 0x03) \
2683 if(alpha_condition) \
2685 u32 screen_buffer[240]; \
2686 renderer(alpha, alpha_obj, screen_buffer); \
2687 expand_blend(screen_buffer, scanline, _start, _end); \
2693 /* Fade to white */ \
2696 if(fade_condition) \
2698 renderer(color16, color16, scanline); \
2699 expand_brighten(scanline, scanline, _start, _end); \
2705 /* Fade to black */ \
2708 if(fade_condition) \
2710 renderer(color16, color16, scanline); \
2711 expand_darken(scanline, scanline, _start, _end); \
2718 renderer(normal, normal, scanline); \
2719 expand_normal(scanline, _start, _end); \
2724 u32 pixel_top = palette_ram_converted[0]; \
2725 switch((bldcnt >> 6) & 0x03) \
2727 /* Fade to white */ \
2730 if(color_combine_mask_a(5)) \
2732 u32 blend = io_registers[REG_BLDY] & 0x1F; \
2738 upper = ((0x07E0F81F * blend) >> 4) & 0x07E0F81F; \
2739 blend = 16 - blend; \
2741 expand_pixel_no_dest(brighten, pixel_top); \
2746 /* Fade to black */ \
2749 if(color_combine_mask_a(5)) \
2751 s32 blend = 16 - (io_registers[REG_BLDY] & 0x1F); \
2756 expand_pixel_no_dest(darken, pixel_top); \
2761 fill_line_color16(pixel_top, scanline, _start, _end); \
2766 // Renders an entire scanline from 0 to 240, based on current color mode.
2768 static void render_scanline_tile(u16 *scanline, u32 dispcnt)
2771 u32 layer_order_pos;
2772 u32 bldcnt = io_registers[REG_BLDCNT];
2773 render_scanline_layer_functions_tile();
2775 render_layers_color_effect(render_layers, layer_count,
2776 render_condition_alpha, render_condition_fade, 0, 240);
2779 static void render_scanline_bitmap(u16 *scanline, u32 dispcnt)
2781 render_scanline_layer_functions_bitmap();
2783 u32 layer_order_pos;
2785 fill_line_bg(normal, scanline, 0, 240);
2787 for(layer_order_pos = 0; layer_order_pos < layer_count; layer_order_pos++)
2789 current_layer = layer_order[layer_order_pos];
2790 if(current_layer & 0x04)
2792 render_obj_layer(normal, scanline, 0, 240);
2796 layer_renderers->normal_render(0, 240, scanline);
2801 // Render layers from start to end based on if they're allowed in the
2804 #define render_layers_conditional(tile_alpha, obj_alpha, dest) \
2807 current_layer = layer_order[layer_order_pos]; \
2808 /* If OBJ aren't enabled skip to the first non-OBJ layer */ \
2809 if(!(enable_flags & 0x10)) \
2811 while((current_layer & 0x04) || !((1 << current_layer) & enable_flags)) \
2813 layer_order_pos++; \
2814 current_layer = layer_order[layer_order_pos]; \
2816 /* Oops, ran out of layers, render the background. */ \
2817 if(layer_order_pos == layer_count) \
2819 fill_line_bg(tile_alpha, dest, start, end); \
2824 /* Render the first valid layer */ \
2825 layer_renderers[current_layer].tile_alpha##_render_base(current_layer, \
2826 start, end, dest); \
2828 layer_order_pos++; \
2830 /* Render the rest of the layers if active, skipping OBJ ones. */ \
2831 for(; layer_order_pos < layer_count; layer_order_pos++) \
2833 current_layer = layer_order[layer_order_pos]; \
2834 if(!(current_layer & 0x04) && ((1 << current_layer) & enable_flags)) \
2836 layer_renderers[current_layer]. \
2837 tile_alpha##_render_transparent(current_layer, start, end, dest); \
2843 /* Find the first active layer, skip all of the inactive ones */ \
2844 while(!((current_layer & 0x04) || ((1 << current_layer) & enable_flags))) \
2846 layer_order_pos++; \
2847 current_layer = layer_order[layer_order_pos]; \
2849 /* Oops, ran out of layers, render the background. */ \
2850 if(layer_order_pos == layer_count) \
2852 fill_line_bg(tile_alpha, dest, start, end); \
2857 if(current_layer & 0x04) \
2859 /* If the first one is OBJ render the background then render it. */ \
2860 fill_line_bg(tile_alpha, dest, start, end); \
2861 render_obj_layer(obj_alpha, dest, start, end); \
2865 /* Otherwise render a base layer. */ \
2866 layer_renderers[current_layer]. \
2867 tile_alpha##_render_base(current_layer, start, end, dest); \
2870 layer_order_pos++; \
2872 /* Render the rest of the layers. */ \
2873 for(; layer_order_pos < layer_count; layer_order_pos++) \
2875 current_layer = layer_order[layer_order_pos]; \
2876 if(current_layer & 0x04) \
2878 render_obj_layer(obj_alpha, dest, start, end); \
2882 if(enable_flags & (1 << current_layer)) \
2884 layer_renderers[current_layer]. \
2885 tile_alpha##_render_transparent(current_layer, start, end, dest); \
2896 // Render all of the BG and OBJ in a tiled scanline from start to end ONLY if
2897 // enable_flag allows that layer/OBJ. Also conditionally render color effects.
2899 static void render_scanline_conditional_tile(u32 start, u32 end, u16 *scanline,
2900 u32 enable_flags, u32 dispcnt, u32 bldcnt, const tile_layer_render_struct
2904 u32 layer_order_pos = 0;
2906 render_layers_color_effect(render_layers_conditional,
2907 (layer_count && (enable_flags & 0x1F)),
2908 ((enable_flags & 0x20) && render_condition_alpha),
2909 ((enable_flags & 0x20) && render_condition_fade), start, end);
2913 // Render the BG and OBJ in a bitmap scanline from start to end ONLY if
2914 // enable_flag allows that layer/OBJ. Also conditionally render color effects.
2916 static void render_scanline_conditional_bitmap(u32 start, u32 end, u16 *scanline,
2917 u32 enable_flags, u32 dispcnt, u32 bldcnt, const bitmap_layer_render_struct
2921 u32 layer_order_pos;
2923 fill_line_bg(normal, scanline, start, end);
2925 for(layer_order_pos = 0; layer_order_pos < layer_count; layer_order_pos++)
2927 current_layer = layer_order[layer_order_pos];
2928 if(current_layer & 0x04)
2930 if(enable_flags & 0x10)
2932 render_obj_layer(normal, scanline, start, end);
2937 if(enable_flags & 0x04)
2938 layer_renderers->normal_render(start, end, scanline);
2944 #define window_x_coords(window_number) \
2945 window_##window_number##_x1 = \
2946 io_registers[REG_WIN##window_number##H] >> 8; \
2947 window_##window_number##_x2 = \
2948 io_registers[REG_WIN##window_number##H] & 0xFF; \
2949 window_##window_number##_enable = \
2950 (winin >> (window_number * 8)) & 0x3F; \
2952 if(window_##window_number##_x1 > 240) \
2953 window_##window_number##_x1 = 240; \
2955 if(window_##window_number##_x2 > 240) \
2956 window_##window_number##_x2 = 240 \
2958 #define window_coords(window_number) \
2959 u32 window_##window_number##_x1, window_##window_number##_x2; \
2960 u32 window_##window_number##_y1, window_##window_number##_y2; \
2961 u32 window_##window_number##_enable = 0; \
2962 window_##window_number##_y1 = \
2963 io_registers[REG_WIN##window_number##V] >> 8; \
2964 window_##window_number##_y2 = \
2965 io_registers[REG_WIN##window_number##V] & 0xFF; \
2967 if(window_##window_number##_y1 > window_##window_number##_y2) \
2969 if((((vcount <= window_##window_number##_y2) || \
2970 (vcount > window_##window_number##_y1)) || \
2971 (window_##window_number##_y2 > 227)) && \
2972 (window_##window_number##_y1 <= 227)) \
2974 window_x_coords(window_number); \
2978 window_##window_number##_x1 = 240; \
2979 window_##window_number##_x2 = 240; \
2984 if((((vcount >= window_##window_number##_y1) && \
2985 (vcount < window_##window_number##_y2)) || \
2986 (window_##window_number##_y2 > 227)) && \
2987 (window_##window_number##_y1 <= 227)) \
2989 window_x_coords(window_number); \
2993 window_##window_number##_x1 = 240; \
2994 window_##window_number##_x2 = 240; \
2998 #define render_window_segment(type, start, end, window_type) \
3001 render_scanline_conditional_##type(start, end, scanline, \
3002 window_##window_type##_enable, dispcnt, bldcnt, layer_renderers); \
3005 #define render_window_segment_unequal(type, start, end, window_type) \
3006 render_scanline_conditional_##type(start, end, scanline, \
3007 window_##window_type##_enable, dispcnt, bldcnt, layer_renderers) \
3009 #define render_window_segment_clip(type, clip_start, clip_end, start, end, \
3014 if(start < clip_start) \
3016 if(end > clip_start) \
3018 if(end > clip_end) \
3020 render_window_segment_unequal(type, clip_start, clip_end, \
3025 render_window_segment_unequal(type, clip_start, end, window_type); \
3031 if(end > clip_end) \
3033 if(start < clip_end) \
3034 render_window_segment_unequal(type, start, clip_end, window_type); \
3038 render_window_segment_unequal(type, start, end, window_type); \
3043 #define render_window_clip_1(type, start, end) \
3044 if(window_1_x1 != 240) \
3046 if(window_1_x1 > window_1_x2) \
3048 render_window_segment_clip(type, start, end, 0, window_1_x2, 1); \
3049 render_window_segment_clip(type, start, end, window_1_x2, window_1_x1, \
3051 render_window_segment_clip(type, start, end, window_1_x1, 240, 1); \
3055 render_window_segment_clip(type, start, end, 0, window_1_x1, out); \
3056 render_window_segment_clip(type, start, end, window_1_x1, window_1_x2, \
3058 render_window_segment_clip(type, start, end, window_1_x2, 240, out); \
3063 render_window_segment(type, start, end, out); \
3066 #define render_window_clip_obj(type, start, end); \
3067 render_window_segment(type, start, end, out); \
3068 if(dispcnt & 0x40) \
3069 render_scanline_obj_copy_##type##_1D(4, start, end, scanline); \
3071 render_scanline_obj_copy_##type##_2D(4, start, end, scanline) \
3074 #define render_window_segment_clip_obj(type, clip_start, clip_end, start, \
3079 if(start < clip_start) \
3081 if(end > clip_start) \
3083 if(end > clip_end) \
3085 render_window_clip_obj(type, clip_start, clip_end); \
3089 render_window_clip_obj(type, clip_start, end); \
3095 if(end > clip_end) \
3097 if(start < clip_end) \
3099 render_window_clip_obj(type, start, clip_end); \
3104 render_window_clip_obj(type, start, end); \
3110 #define render_window_clip_1_obj(type, start, end) \
3111 if(window_1_x1 != 240) \
3113 if(window_1_x1 > window_1_x2) \
3115 render_window_segment_clip(type, start, end, 0, window_1_x2, 1); \
3116 render_window_segment_clip_obj(type, start, end, window_1_x2, \
3118 render_window_segment_clip(type, start, end, window_1_x1, 240, 1); \
3122 render_window_segment_clip_obj(type, start, end, 0, window_1_x1); \
3123 render_window_segment_clip(type, start, end, window_1_x1, window_1_x2, \
3125 render_window_segment_clip_obj(type, start, end, window_1_x2, 240); \
3130 render_window_clip_obj(type, start, end); \
3135 #define render_window_single(type, window_number) \
3136 u32 winin = io_registers[REG_WININ]; \
3137 window_coords(window_number); \
3138 if(window_##window_number##_x1 > window_##window_number##_x2) \
3140 render_window_segment(type, 0, window_##window_number##_x2, \
3142 render_window_segment(type, window_##window_number##_x2, \
3143 window_##window_number##_x1, out); \
3144 render_window_segment(type, window_##window_number##_x1, 240, \
3149 render_window_segment(type, 0, window_##window_number##_x1, out); \
3150 render_window_segment(type, window_##window_number##_x1, \
3151 window_##window_number##_x2, window_number); \
3152 render_window_segment(type, window_##window_number##_x2, 240, out); \
3155 #define render_window_multi(type, front, back) \
3156 if(window_##front##_x1 > window_##front##_x2) \
3158 render_window_segment(type, 0, window_##front##_x2, front); \
3159 render_window_clip_##back(type, window_##front##_x2, \
3160 window_##front##_x1); \
3161 render_window_segment(type, window_##front##_x1, 240, front); \
3165 render_window_clip_##back(type, 0, window_##front##_x1); \
3166 render_window_segment(type, window_##front##_x1, window_##front##_x2, \
3168 render_window_clip_##back(type, window_##front##_x2, 240); \
3171 #define render_scanline_window_builder(type) \
3172 static void render_scanline_window_##type(u16 *scanline, u32 dispcnt) \
3174 u32 vcount = io_registers[REG_VCOUNT]; \
3175 u32 winout = io_registers[REG_WINOUT]; \
3176 u32 bldcnt = io_registers[REG_BLDCNT]; \
3177 u32 window_out_enable = winout & 0x3F; \
3179 render_scanline_layer_functions_##type(); \
3181 switch(dispcnt >> 13) \
3183 /* Just window 0 */ \
3186 render_window_single(type, 0); \
3190 /* Just window 1 */ \
3193 render_window_single(type, 1); \
3197 /* Windows 1 and 2 */ \
3200 u32 winin = io_registers[REG_WININ]; \
3203 render_window_multi(type, 0, 1); \
3207 /* Just OBJ windows */ \
3210 render_window_clip_obj(type, 0, 240); \
3214 /* Window 0 and OBJ window */ \
3217 u32 winin = io_registers[REG_WININ]; \
3219 render_window_multi(type, 0, obj); \
3223 /* Window 1 and OBJ window */ \
3226 u32 winin = io_registers[REG_WININ]; \
3228 render_window_multi(type, 1, obj); \
3232 /* Window 0, 1, and OBJ window */ \
3235 u32 winin = io_registers[REG_WININ]; \
3238 render_window_multi(type, 0, 1_obj); \
3244 render_scanline_window_builder(tile);
3245 render_scanline_window_builder(bitmap);
3247 static const u32 active_layers[6] = { 0x1F, 0x17, 0x1C, 0x14, 0x14, 0x14 };
3249 u32 small_resolution_width = 240;
3250 u32 small_resolution_height = 160;
3251 u32 resolution_width, resolution_height;
3253 void update_scanline()
3255 u32 pitch = get_screen_pitch();
3256 u32 dispcnt = io_registers[REG_DISPCNT];
3257 u32 vcount = io_registers[REG_VCOUNT];
3258 u16 *screen_offset = get_screen_pixels() + (vcount * pitch);
3259 u32 video_mode = dispcnt & 0x07;
3261 // If OAM has been modified since the last scanline has been updated then
3262 // reorder and reprofile the OBJ lists.
3265 order_obj(video_mode);
3269 order_layers((dispcnt >> 8) & active_layers[video_mode]);
3275 if (screen_scale == unscaled_rot || screen_scale == scaled_aspect_rot)
3277 if (rot_line_count == rot_lines_total)
3280 if (vcount - rot_lines_total < FONT_HEIGHT && rot_msg_buff[0])
3282 print_string_ext(rot_msg_buff, 0xFFFF, 0x0000, 0, 0,
3283 rot_buffer, 240, 0, vcount - rot_lines_total, rot_lines_total);
3284 if (vcount >= FONT_HEIGHT)
3285 rot_msg_buff[0] = 0;
3287 if (screen_scale == unscaled_rot)
3288 do_rotated_blit(gpsp_gp2x_screen, rot_buffer, vcount);
3290 upscale_aspect_row(gpsp_gp2x_screen, rot_buffer, vcount/3);
3292 screen_offset = &rot_buffer[rot_line_count++ * 240];
3296 // If the screen is in in forced blank draw pure white.
3299 fill_line_color16(0xFFFF, screen_offset, 0, 240);
3307 render_scanline_window_tile(screen_offset, dispcnt);
3311 render_scanline_tile(screen_offset, dispcnt);
3317 render_scanline_window_bitmap(screen_offset, dispcnt);
3319 render_scanline_bitmap(screen_offset, dispcnt);
3323 affine_reference_x[0] += (s16)io_registers[REG_BG2PB];
3324 affine_reference_y[0] += (s16)io_registers[REG_BG2PD];
3325 affine_reference_x[1] += (s16)io_registers[REG_BG3PB];
3326 affine_reference_y[1] += (s16)io_registers[REG_BG3PD];
3331 u32 screen_flip = 0;
3335 if(video_direct == 0)
3337 u32 *old_ge_cmd_ptr = ge_cmd_ptr;
3338 sceKernelDcacheWritebackAll();
3340 // Render the current screen
3341 ge_cmd_ptr = ge_cmd + 2;
3342 GE_CMD(TBP0, ((u32)screen_pixels & 0x00FFFFFF));
3343 GE_CMD(TBW0, (((u32)screen_pixels & 0xFF000000) >> 8) |
3345 ge_cmd_ptr = old_ge_cmd_ptr;
3347 sceGeListEnQueue(ge_cmd, ge_cmd_ptr, gecbid, NULL);
3349 // Flip to the next screen
3353 screen_pixels = screen_texture + (240 * 160 * 2);
3355 screen_pixels = screen_texture;
3359 #elif defined(WIZ_BUILD)
3363 if((resolution_width == small_resolution_width) &&
3364 (resolution_height == small_resolution_height))
3366 switch(screen_scale)
3371 upscale_aspect(gpsp_gp2x_screen, screen_pixels);
3374 do_rotated_blit(gpsp_gp2x_screen, rot_buffer, 160);
3377 case scaled_aspect_rot:
3382 warm_cache_op_all(WOP_D_CLEAN);
3385 pollux_video_flip();
3386 screen_pixels = (u16 *)gpsp_gp2x_screen + screen_offset;
3389 #elif defined(PND_BUILD)
3393 screen_pixels = fb_flip_screen();
3398 #define integer_scale_copy_2() \
3399 current_scanline_ptr[x2] = current_pixel; \
3400 current_scanline_ptr[x2 - 1] = current_pixel; \
3403 #define integer_scale_copy_3() \
3404 current_scanline_ptr[x2] = current_pixel; \
3405 current_scanline_ptr[x2 - 1] = current_pixel; \
3406 current_scanline_ptr[x2 - 2] = current_pixel; \
3409 #define integer_scale_copy_4() \
3410 current_scanline_ptr[x2] = current_pixel; \
3411 current_scanline_ptr[x2 - 1] = current_pixel; \
3412 current_scanline_ptr[x2 - 2] = current_pixel; \
3413 current_scanline_ptr[x2 - 3] = current_pixel; \
3416 #define integer_scale_horizontal(scale_factor) \
3417 for(y = 0; y < 160; y++) \
3419 for(x = 239, x2 = (240 * video_scale) - 1; x >= 0; x--) \
3421 current_pixel = current_scanline_ptr[x]; \
3422 integer_scale_copy_##scale_factor(); \
3423 current_scanline_ptr[x2] = current_scanline_ptr[x]; \
3424 current_scanline_ptr[x2 - 1] = current_scanline_ptr[x]; \
3425 current_scanline_ptr[x2 - 2] = current_scanline_ptr[x]; \
3427 current_scanline_ptr += pitch; \
3432 if((video_scale != 1) && (current_scale != unscaled))
3436 u16 *screen_ptr = get_screen_pixels();
3437 u16 *current_scanline_ptr = screen_ptr;
3438 u32 pitch = get_screen_pitch();
3445 integer_scale_horizontal(2);
3449 integer_scale_horizontal(3);
3454 integer_scale_horizontal(4);
3459 for(y = 159, y2 = (160 * video_scale) - 1; y >= 0; y--)
3461 for(i = 0; i < video_scale; i++)
3463 memcpy(screen_ptr + (y2 * pitch),
3464 screen_ptr + (y * pitch), 480 * video_scale);
3471 if((resolution_width == small_resolution_width) &&
3472 (resolution_height == small_resolution_height))
3474 switch (screen_scale)
3478 SDL_Rect srect = {0, 0, 240, 160};
3479 SDL_Rect drect = {40, 40, 240, 160};
3480 warm_cache_op_all(WOP_D_CLEAN);
3481 SDL_BlitSurface(screen, &srect, hw_screen, &drect);
3486 SDL_Rect drect = {0, 10, 0, 0};
3487 warm_cache_op_all(WOP_D_CLEAN);
3488 SDL_BlitSurface(screen, NULL, hw_screen, &drect);
3491 case scaled_aspect_sw:
3493 upscale_aspect(hw_screen->pixels, get_screen_pixels());
3500 warm_cache_op_all(WOP_D_CLEAN);
3501 SDL_BlitSurface(screen, NULL, hw_screen, NULL);
3510 u32 frame_to_render;
3512 void update_screen()
3514 if(!skip_next_frame)
3522 sceDisplaySetMode(0, PSP_SCREEN_WIDTH, PSP_SCREEN_HEIGHT);
3524 sceDisplayWaitVblankStart();
3525 sceDisplaySetFrameBuf((void*)psp_gu_vram_base, PSP_LINE_SIZE,
3526 PSP_DISPLAY_PIXEL_FORMAT_565, PSP_DISPLAY_SETBUF_NEXTFRAME);
3530 sceGuStart(GU_DIRECT, display_list);
3531 sceGuDrawBuffer(GU_PSM_5650, (void*)0, PSP_LINE_SIZE);
3532 sceGuDispBuffer(PSP_SCREEN_WIDTH, PSP_SCREEN_HEIGHT,
3533 (void*)0, PSP_LINE_SIZE);
3534 sceGuClear(GU_COLOR_BUFFER_BIT);
3536 sceGuOffset(2048 - (PSP_SCREEN_WIDTH / 2), 2048 - (PSP_SCREEN_HEIGHT / 2));
3537 sceGuViewport(2048, 2048, PSP_SCREEN_WIDTH, PSP_SCREEN_HEIGHT);
3539 sceGuScissor(0, 0, PSP_SCREEN_WIDTH + 1, PSP_SCREEN_HEIGHT + 1);
3540 sceGuEnable(GU_SCISSOR_TEST);
3541 sceGuTexMode(GU_PSM_5650, 0, 0, GU_FALSE);
3542 sceGuTexFunc(GU_TFX_REPLACE, GU_TCC_RGBA);
3543 sceGuTexFilter(GU_LINEAR, GU_LINEAR);
3544 sceGuEnable(GU_TEXTURE_2D);
3546 sceGuFrontFace(GU_CW);
3547 sceGuDisable(GU_BLEND);
3552 sceDisplayWaitVblankStart();
3553 sceGuDisplay(GU_TRUE);
3555 PspGeCallbackData gecb;
3556 gecb.signal_func = NULL;
3557 gecb.signal_arg = NULL;
3558 gecb.finish_func = Ge_Finish_Callback;
3559 gecb.finish_arg = NULL;
3560 gecbid = sceGeSetCallback(&gecb);
3562 screen_vertex[0] = 0 + 0.5;
3563 screen_vertex[1] = 0 + 0.5;
3564 screen_vertex[2] = 0 + 0.5;
3565 screen_vertex[3] = 0 + 0.5;
3566 screen_vertex[4] = 0;
3567 screen_vertex[5] = GBA_SCREEN_WIDTH - 0.5;
3568 screen_vertex[6] = GBA_SCREEN_HEIGHT - 0.5;
3569 screen_vertex[7] = PSP_SCREEN_WIDTH - 0.5;
3570 screen_vertex[8] = PSP_SCREEN_HEIGHT - 0.5;
3571 screen_vertex[9] = 0;
3573 // Set framebuffer to PSP VRAM
3574 GE_CMD(FBP, ((u32)psp_gu_vram_base & 0x00FFFFFF));
3575 GE_CMD(FBW, (((u32)psp_gu_vram_base & 0xFF000000) >> 8) | PSP_LINE_SIZE);
3576 // Set texture 0 to the screen texture
3577 GE_CMD(TBP0, ((u32)screen_texture & 0x00FFFFFF));
3578 GE_CMD(TBW0, (((u32)screen_texture & 0xFF000000) >> 8) | GBA_SCREEN_WIDTH);
3579 // Set the texture size to 256 by 256 (2^8 by 2^8)
3580 GE_CMD(TSIZE0, (8 << 8) | 8);
3581 // Flush the texture cache
3583 // Use 2D coordinates, no indeces, no weights, 32bit float positions,
3584 // 32bit float texture coordinates
3585 GE_CMD(VTYPE, (1 << 23) | (0 << 11) | (0 << 9) |
3586 (3 << 7) | (0 << 5) | (0 << 2) | 3);
3587 // Set the base of the index list pointer to 0
3589 // Set the rest of index list pointer to 0 (not being used)
3591 // Set the base of the screen vertex list pointer
3592 GE_CMD(BASE, ((u32)screen_vertex & 0xFF000000) >> 8);
3593 // Set the rest of the screen vertex list pointer
3594 GE_CMD(VADDR, ((u32)screen_vertex & 0x00FFFFFF));
3595 // Primitive kick: render sprite (primitive 6), 2 vertices
3596 GE_CMD(PRIM, (6 << 16) | 2);
3597 // Done with commands
3599 // Raise signal interrupt
3605 #elif defined(WIZ_BUILD) || defined(PND_BUILD)
3615 SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK | SDL_INIT_NOPARACHUTE);
3618 SDL_GP2X_AllowGfxMemory(NULL, 0);
3620 hw_screen = SDL_SetVideoMode(320 * video_scale, 240 * video_scale,
3623 screen = SDL_CreateRGBSurface(SDL_HWSURFACE, 240 * video_scale,
3624 160 * video_scale, 16, 0xFFFF, 0xFFFF, 0xFFFF, 0);
3626 warm_change_cb_upper(WCB_C_BIT|WCB_B_BIT, 1);
3628 screen = SDL_SetVideoMode(240 * video_scale, 160 * video_scale, 16, 0);
3635 video_scale_type screen_scale = scaled_aspect;
3636 video_scale_type current_scale = scaled_aspect;
3637 video_filter_type screen_filter = filter_bilinear;
3638 video_filter_type2 screen_filter2 = filter2_none;
3643 void video_resolution_large()
3645 if(video_direct != 1)
3648 screen_pixels = psp_gu_vram_base;
3650 sceGuStart(GU_DIRECT, display_list);
3651 sceGuDispBuffer(PSP_SCREEN_WIDTH, PSP_SCREEN_HEIGHT,
3652 (void*)0, PSP_LINE_SIZE);
3657 void set_gba_resolution(video_scale_type scale)
3659 u32 filter_linear = 0;
3660 screen_scale = scale;
3664 screen_vertex[2] = 120 + 0.5;
3665 screen_vertex[3] = 56 + 0.5;
3666 screen_vertex[7] = GBA_SCREEN_WIDTH + 120 - 0.5;
3667 screen_vertex[8] = GBA_SCREEN_HEIGHT + 56 - 0.5;
3671 screen_vertex[2] = 36 + 0.5;
3672 screen_vertex[3] = 0 + 0.5;
3673 screen_vertex[7] = 408 + 36 - 0.5;
3674 screen_vertex[8] = PSP_SCREEN_HEIGHT - 0.5;
3678 screen_vertex[2] = 0;
3679 screen_vertex[3] = 0;
3680 screen_vertex[7] = PSP_SCREEN_WIDTH;
3681 screen_vertex[8] = PSP_SCREEN_HEIGHT;
3685 sceGuStart(GU_DIRECT, display_list);
3686 if(screen_filter == filter_bilinear)
3687 sceGuTexFilter(GU_LINEAR, GU_LINEAR);
3689 sceGuTexFilter(GU_NEAREST, GU_NEAREST);
3694 clear_screen(0x0000);
3697 void video_resolution_small()
3699 if(video_direct != 0)
3701 set_gba_resolution(screen_scale);
3703 screen_pixels = screen_texture;
3706 sceGuStart(GU_DIRECT, display_list);
3707 sceGuDispBuffer(PSP_SCREEN_WIDTH, PSP_SCREEN_HEIGHT,
3708 (void*)0, PSP_LINE_SIZE);
3713 void clear_screen(u16 color)
3716 u16 *src_ptr = get_screen_pixels();
3720 for(i = 0; i < (512 * 272); i++, src_ptr++)
3725 // I don't know why this doesn't work.
3726 /* color = (((color & 0x1F) * 255 / 31) << 0) |
3727 ((((color >> 5) & 0x3F) * 255 / 63) << 8) |
3728 ((((color >> 11) & 0x1F) * 255 / 31) << 16) | (0xFF << 24);
3730 sceGuStart(GU_DIRECT, display_list);
3731 sceGuDrawBuffer(GU_PSM_5650, (void*)0, PSP_LINE_SIZE);
3732 //sceGuDispBuffer(PSP_SCREEN_WIDTH, PSP_SCREEN_HEIGHT,
3733 // (void*)0, PSP_LINE_SIZE);
3734 sceGuClearColor(color);
3735 sceGuClear(GU_COLOR_BUFFER_BIT);
3740 #elif defined(WIZ_BUILD)
3742 void video_resolution_large()
3745 resolution_width = 320;
3746 resolution_height = 240;
3751 wiz_lcd_set_portrait(0);
3754 void video_resolution_small()
3758 switch (screen_scale)
3761 screen_offset = 320*40 + 40;
3762 wiz_lcd_set_portrait(0);
3765 screen_offset = 320*(80 - 14) + 80;
3766 wiz_lcd_set_portrait(0);
3769 wiz_lcd_set_portrait(1);
3770 rot_lines_total = 4;
3773 case scaled_aspect_rot:
3774 wiz_lcd_set_portrait(1);
3775 rot_lines_total = 3;
3783 resolution_width = 240;
3784 resolution_height = 160;
3787 void set_gba_resolution(video_scale_type scale)
3789 screen_scale = scale;
3792 void clear_screen(u16 color)
3794 u32 col = ((u32)color << 16) | color;
3795 u32 *p = gpsp_gp2x_screen;
3801 #elif defined(PND_BUILD)
3803 void video_resolution_large()
3805 resolution_width = 400;
3806 resolution_height = 272;
3808 fb_set_mode(400, 272, 1, 15, screen_filter, screen_filter2);
3813 void video_resolution_small()
3815 resolution_width = 240;
3816 resolution_height = 160;
3818 fb_set_mode(240, 160, 3, screen_scale, screen_filter, screen_filter2);
3823 void set_gba_resolution(video_scale_type scale)
3825 screen_scale = scale;
3828 void clear_screen(u16 color)
3830 u32 col = ((u32)color << 16) | color;
3831 u32 *p = (u32 *)get_screen_pixels();
3832 int c = resolution_width * resolution_height / 2;
3839 void video_resolution_large()
3841 current_scale = unscaled;
3844 SDL_FreeSurface(screen);
3845 SDL_GP2X_AllowGfxMemory(NULL, 0);
3846 hw_screen = SDL_SetVideoMode(320, 240, 16, SDL_HWSURFACE);
3847 screen = SDL_CreateRGBSurface(SDL_HWSURFACE, 320, 240, 16, 0xFFFF,
3849 resolution_width = 320;
3850 resolution_height = 240;
3853 warm_change_cb_upper(WCB_C_BIT|WCB_B_BIT, 1);
3855 screen = SDL_SetVideoMode(480, 272, 16, 0);
3856 resolution_width = 480;
3857 resolution_height = 272;
3861 void video_resolution_small()
3863 current_scale = screen_scale;
3867 SDL_FreeSurface(screen);
3868 SDL_GP2X_AllowGfxMemory(NULL, 0);
3871 if (screen_scale == scaled_aspect || screen_scale == fullscreen)
3873 w = small_resolution_width * video_scale;
3874 h = small_resolution_height * video_scale;
3876 if (screen_scale == scaled_aspect) h += 20;
3877 hw_screen = SDL_SetVideoMode(w, h, 16, SDL_HWSURFACE);
3879 w = small_resolution_width * video_scale;
3880 if (screen_scale == scaled_aspect_sw)
3882 screen = SDL_CreateRGBSurface(SDL_HWSURFACE,
3883 w, small_resolution_height * video_scale,
3884 16, 0xFFFF, 0xFFFF, 0xFFFF, 0);
3888 warm_change_cb_upper(WCB_C_BIT|WCB_B_BIT, 1);
3890 screen = SDL_SetVideoMode(small_resolution_width * video_scale,
3891 small_resolution_height * video_scale, 16, 0);
3893 resolution_width = small_resolution_width;
3894 resolution_height = small_resolution_height;
3897 void set_gba_resolution(video_scale_type scale)
3899 if(screen_scale != scale)
3901 screen_scale = scale;
3902 small_resolution_width = 240 * video_scale;
3903 small_resolution_height = 160 * video_scale;
3907 void clear_screen(u16 color)
3909 u16 *dest_ptr = get_screen_pixels();
3910 u32 line_skip = get_screen_pitch() - screen->w;
3913 for(y = 0; y < screen->h; y++)
3915 for(x = 0; x < screen->w; x++, dest_ptr++)
3919 dest_ptr += line_skip;
3927 u16 *copy = malloc(240 * 160 * 2);
3928 memcpy(copy, get_screen_pixels(), 240 * 160 * 2);
3932 void blit_to_screen(u16 *src, u32 w, u32 h, u32 dest_x, u32 dest_y)
3934 u32 pitch = get_screen_pitch();
3935 u16 *dest_ptr = get_screen_pixels() + dest_x + (dest_y * pitch);
3937 s32 w1 = dest_x + w > pitch ? pitch - dest_x : w;
3941 for(y = 0; y < h; y++)
3943 for(x = 0; x < w1; x++)
3945 dest_ptr[x] = src_ptr[x];
3952 void print_string_ext(const char *str, u16 fg_color, u16 bg_color,
3953 u32 x, u32 y, void *_dest_ptr, u32 pitch, u32 pad, u32 h_offset, u32 height)
3955 u16 *dest_ptr = (u16 *)_dest_ptr + (y * pitch) + x;
3956 u8 current_char = str[0];
3959 u32 i = 0, i2, i3, h;
3963 if(y + height > resolution_height)
3968 if(current_char == '\n')
3972 dest_ptr = get_screen_pixels() + (y * pitch) + x;
3976 glyph_offset = _font_offset[current_char];
3977 current_x += FONT_WIDTH;
3978 glyph_offset += h_offset;
3979 for(i2 = h_offset, h = 0; i2 < FONT_HEIGHT && h < height; i2++, h++, glyph_offset++)
3981 current_row = _font_bits[glyph_offset];
3982 for(i3 = 0; i3 < FONT_WIDTH; i3++)
3984 if((current_row >> (15 - i3)) & 0x01)
3985 *dest_ptr = fg_color;
3987 *dest_ptr = bg_color;
3990 dest_ptr += (pitch - FONT_WIDTH);
3992 dest_ptr = dest_ptr - (pitch * h) + FONT_WIDTH;
3997 current_char = str[str_index];
3999 if((i < pad) && (current_char == 0))
4008 if(current_x + FONT_WIDTH > resolution_width /* EDIT */)
4010 while (current_char && current_char != '\n')
4012 current_char = str[str_index++];
4018 void print_string(const char *str, u16 fg_color, u16 bg_color,
4022 if ((screen_scale == unscaled_rot || screen_scale == scaled_aspect_rot) &&
4023 (resolution_width == small_resolution_width) &&
4024 (resolution_height == small_resolution_height))
4026 snprintf(rot_msg_buff, sizeof(rot_msg_buff), "%s", str);
4030 print_string_ext(str, fg_color, bg_color, x, y, get_screen_pixels(),
4031 get_screen_pitch(), 0, 0, FONT_HEIGHT);
4034 void print_string_pad(const char *str, u16 fg_color, u16 bg_color,
4035 u32 x, u32 y, u32 pad)
4037 print_string_ext(str, fg_color, bg_color, x, y, get_screen_pixels(),
4038 get_screen_pitch(), pad, 0, FONT_HEIGHT);
4041 u32 debug_cursor_x = 0;
4042 u32 debug_cursor_y = 0;
4046 void debug_screen_clear()
4050 void debug_screen_start()
4054 void debug_screen_end()
4058 void debug_screen_update()
4062 void debug_screen_printf(const char *format, ...)
4066 va_start(ap, format);
4067 vprintf(format, ap);
4071 void debug_screen_newline(u32 count)
4079 void debug_screen_clear()
4083 clear_screen(0x0000);
4086 void debug_screen_start()
4088 video_resolution_large();
4089 debug_screen_clear();
4092 void debug_screen_end()
4094 video_resolution_small();
4097 void debug_screen_update()
4102 void debug_screen_printf(const char *format, ...)
4104 char str_buffer[512];
4105 u32 str_buffer_length;
4108 va_start(ap, format);
4109 str_buffer_length = vsnprintf(str_buffer, 512, format, ap);
4112 printf("printing debug string %s at %d %d\n", str_buffer,
4113 debug_cursor_x, debug_cursor_y);
4115 print_string(str_buffer, 0xFFFF, 0x0000, debug_cursor_x, debug_cursor_y);
4116 debug_cursor_x += FONT_WIDTH * str_buffer_length;
4119 void debug_screen_newline(u32 count)
4122 debug_cursor_y += FONT_HEIGHT * count;
4127 void debug_screen_printl(const char *format, ...)
4131 va_start(ap, format);
4132 debug_screen_printf(format, ap);
4133 debug_screen_newline(1);
4134 // debug_screen_printf("\n");
4139 #define video_savestate_builder(type) \
4140 void video_##type##_savestate(file_tag_type savestate_file) \
4142 file_##type##_array(savestate_file, affine_reference_x); \
4143 file_##type##_array(savestate_file, affine_reference_y); \
4146 video_savestate_builder(read);
4147 video_savestate_builder(write_mem);