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2823a4c8 1/* gameplaySP
2 *
3 * Copyright (C) 2006 Exophase <exophase@gmail.com>
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation; either version 2 of
8 * the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20#include "common.h"
21#include "font.h"
22
23#ifdef PSP_BUILD
24
25#include <pspctrl.h>
26
27#include <pspkernel.h>
28#include <pspdebug.h>
29#include <pspdisplay.h>
30
31#include <pspgu.h>
32#include <psppower.h>
33#include <psprtc.h>
34
35static float *screen_vertex = (float *)0x441FC100;
36static u32 *ge_cmd = (u32 *)0x441FC000;
37static u16 *psp_gu_vram_base = (u16 *)(0x44000000);
38static u32 *ge_cmd_ptr = (u32 *)0x441FC000;
39static u32 gecbid;
40static u32 video_direct = 0;
41
42static u32 __attribute__((aligned(16))) display_list[32];
43
44#define GBA_SCREEN_WIDTH 240
45#define GBA_SCREEN_HEIGHT 160
46
47#define PSP_SCREEN_WIDTH 480
48#define PSP_SCREEN_HEIGHT 272
49#define PSP_LINE_SIZE 512
50
51#define PSP_ALL_BUTTON_MASK 0xFFFF
52
53#define GE_CMD_FBP 0x9C
54#define GE_CMD_FBW 0x9D
55#define GE_CMD_TBP0 0xA0
56#define GE_CMD_TBW0 0xA8
57#define GE_CMD_TSIZE0 0xB8
58#define GE_CMD_TFLUSH 0xCB
59#define GE_CMD_CLEAR 0xD3
60#define GE_CMD_VTYPE 0x12
61#define GE_CMD_BASE 0x10
62#define GE_CMD_VADDR 0x01
63#define GE_CMD_IADDR 0x02
64#define GE_CMD_PRIM 0x04
65#define GE_CMD_FINISH 0x0F
66#define GE_CMD_SIGNAL 0x0C
67#define GE_CMD_NOP 0x00
68
69#define GE_CMD(cmd, operand) \
70 *ge_cmd_ptr = (((GE_CMD_##cmd) << 24) | (operand)); \
71 ge_cmd_ptr++ \
72
73static u16 *screen_texture = (u16 *)(0x4000000 + (512 * 272 * 2));
74static u16 *current_screen_texture = (u16 *)(0x4000000 + (512 * 272 * 2));
75static u16 *screen_pixels = (u16 *)(0x4000000 + (512 * 272 * 2));
76static u32 screen_pitch = 240;
77
78static void Ge_Finish_Callback(int id, void *arg)
79{
80}
81
4cdfc0bc 82#define get_screen_pixels() \
83 screen_pixels \
84
85#define get_screen_pitch() \
86 screen_pitch \
87
88#elif defined(WIZ_BUILD)
89
42c81190 90static u16 rot_buffer[240*4];
91static u32 rot_lines_total = 4;
92static u32 rot_line_count = 0;
93static char rot_msg_buff[64];
94
4cdfc0bc 95static u32 screen_offset = 0;
96static u16 *screen_pixels = NULL;
97const u32 screen_pitch = 320;
98
2823a4c8 99#define get_screen_pixels() \
100 screen_pixels \
101
102#define get_screen_pitch() \
103 screen_pitch \
104
105#else
106
107#ifdef GP2X_BUILD
4cdfc0bc 108#include "SDL_gp2x.h"
109SDL_Surface *hw_screen;
2823a4c8 110#endif
111SDL_Surface *screen;
112const u32 video_scale = 1;
113
114#define get_screen_pixels() \
115 ((u16 *)screen->pixels) \
116
117#define get_screen_pitch() \
118 (screen->pitch / 2) \
119
120#endif
121
122void render_scanline_conditional_tile(u32 start, u32 end, u16 *scanline,
123 u32 enable_flags, u32 dispcnt, u32 bldcnt, tile_layer_render_struct
124 *layer_renderers);
125void render_scanline_conditional_bitmap(u32 start, u32 end, u16 *scanline,
126 u32 enable_flags, u32 dispcnt, u32 bldcnt, bitmap_layer_render_struct
127 *layer_renderers);
128
129#define no_op \
130
131// This old version is not necessary if the palette is either being converted
132// transparently or the ABGR 1555 format is being used natively. The direct
133// version (without conversion) is much faster.
134
135#define tile_lookup_palette_full(palette, source) \
136 current_pixel = palette[source]; \
137 convert_palette(current_pixel) \
138
139#define tile_lookup_palette(palette, source) \
140 current_pixel = palette[source]; \
141
142
143#ifdef RENDER_COLOR16_NORMAL
144
145#define tile_expand_base_normal(index) \
146 tile_expand_base_color16(index) \
147
148#else
149
150#define tile_expand_base_normal(index) \
151 tile_lookup_palette(palette, current_pixel); \
152 dest_ptr[index] = current_pixel \
153
154#endif
155
156#define tile_expand_transparent_normal(index) \
157 tile_expand_base_normal(index) \
158
159#define tile_expand_copy(index) \
160 dest_ptr[index] = copy_ptr[index] \
161
162
163#define advance_dest_ptr_base(delta) \
164 dest_ptr += delta \
165
166#define advance_dest_ptr_transparent(delta) \
167 advance_dest_ptr_base(delta) \
168
169#define advance_dest_ptr_copy(delta) \
170 advance_dest_ptr_base(delta); \
171 copy_ptr += delta \
172
173
174#define color_combine_mask_a(layer) \
175 ((io_registers[REG_BLDCNT] >> layer) & 0x01) \
176
177// For color blending operations, will create a mask that has in bit
178// 10 if the layer is target B, and bit 9 if the layer is target A.
179
180#define color_combine_mask(layer) \
181 (color_combine_mask_a(layer) | \
182 ((io_registers[REG_BLDCNT] >> (layer + 7)) & 0x02)) << 9 \
183
184// For alpha blending renderers, draw the palette index (9bpp) and
185// layer bits rather than the raw RGB. For the base this should write to
186// the 32bit location directly.
187
188#define tile_expand_base_alpha(index) \
189 dest_ptr[index] = current_pixel | pixel_combine \
190
191#define tile_expand_base_bg(index) \
192 dest_ptr[index] = bg_combine \
193
194
195// For layered (transparent) writes this should shift the "stack" and write
196// to the bottom. This will preserve the topmost pixel and the most recent
197// one.
198
199#define tile_expand_transparent_alpha(index) \
200 dest_ptr[index] = (dest_ptr[index] << 16) | current_pixel | pixel_combine \
201
202
203// OBJ should only shift if the top isn't already OBJ
204#define tile_expand_transparent_alpha_obj(index) \
205 dest = dest_ptr[index]; \
206 if(dest & 0x00000100) \
207 { \
208 dest_ptr[index] = (dest & 0xFFFF0000) | current_pixel | pixel_combine; \
209 } \
210 else \
211 { \
212 dest_ptr[index] = (dest << 16) | current_pixel | pixel_combine; \
213 } \
214
215
216// For color effects that don't need to preserve the previous layer.
217// The color32 version should be used with 32bit wide dest_ptr so as to be
218// compatible with alpha combine on top of it.
219
220#define tile_expand_base_color16(index) \
221 dest_ptr[index] = current_pixel | pixel_combine \
222
223#define tile_expand_transparent_color16(index) \
224 tile_expand_base_color16(index) \
225
226#define tile_expand_base_color32(index) \
227 tile_expand_base_color16(index) \
228
229#define tile_expand_transparent_color32(index) \
230 tile_expand_base_color16(index) \
231
232
233// Operations for isolation 8bpp pixels within 32bpp pixel blocks.
234
235#define tile_8bpp_pixel_op_mask(op_param) \
236 current_pixel = current_pixels & 0xFF \
237
238#define tile_8bpp_pixel_op_shift_mask(shift) \
239 current_pixel = (current_pixels >> shift) & 0xFF \
240
241#define tile_8bpp_pixel_op_shift(shift) \
242 current_pixel = current_pixels >> shift \
243
244#define tile_8bpp_pixel_op_none(shift) \
245
246// Base should always draw raw in 8bpp mode; color 0 will be drawn where
247// color 0 is.
248
249#define tile_8bpp_draw_base_normal(index) \
250 tile_expand_base_normal(index) \
251
252#define tile_8bpp_draw_base_alpha(index) \
253 if(current_pixel) \
254 { \
255 tile_expand_base_alpha(index); \
256 } \
257 else \
258 { \
259 tile_expand_base_bg(index); \
260 } \
261
262
263#define tile_8bpp_draw_base_color16(index) \
264 tile_8bpp_draw_base_alpha(index) \
265
266#define tile_8bpp_draw_base_color32(index) \
267 tile_8bpp_draw_base_alpha(index) \
268
269
270#define tile_8bpp_draw_base(index, op, op_param, alpha_op) \
271 tile_8bpp_pixel_op_##op(op_param); \
272 tile_8bpp_draw_base_##alpha_op(index) \
273
274// Transparent (layered) writes should only replace what is there if the
275// pixel is not transparent (zero)
276
277#define tile_8bpp_draw_transparent(index, op, op_param, alpha_op) \
278 tile_8bpp_pixel_op_##op(op_param); \
279 if(current_pixel) \
280 { \
281 tile_expand_transparent_##alpha_op(index); \
282 } \
283
284#define tile_8bpp_draw_copy(index, op, op_param, alpha_op) \
285 tile_8bpp_pixel_op_##op(op_param); \
286 if(current_pixel) \
287 { \
288 tile_expand_copy(index); \
289 } \
290
291// Get the current tile from the map in 8bpp mode
292
293#define get_tile_8bpp() \
294 current_tile = *map_ptr; \
295 tile_ptr = tile_base + ((current_tile & 0x3FF) * 64) \
296
297
298// Draw half of a tile in 8bpp mode, for base renderer
299
300#define tile_8bpp_draw_four_noflip(index, combine_op, alpha_op) \
301 tile_8bpp_draw_##combine_op(index + 0, mask, 0, alpha_op); \
302 tile_8bpp_draw_##combine_op(index + 1, shift_mask, 8, alpha_op); \
303 tile_8bpp_draw_##combine_op(index + 2, shift_mask, 16, alpha_op); \
304 tile_8bpp_draw_##combine_op(index + 3, shift, 24, alpha_op) \
305
306
307// Like the above, but draws the half-tile horizontally flipped
308
309#define tile_8bpp_draw_four_flip(index, combine_op, alpha_op) \
310 tile_8bpp_draw_##combine_op(index + 3, mask, 0, alpha_op); \
311 tile_8bpp_draw_##combine_op(index + 2, shift_mask, 8, alpha_op); \
312 tile_8bpp_draw_##combine_op(index + 1, shift_mask, 16, alpha_op); \
313 tile_8bpp_draw_##combine_op(index + 0, shift, 24, alpha_op) \
314
315#define tile_8bpp_draw_four_base(index, alpha_op, flip_op) \
316 tile_8bpp_draw_four_##flip_op(index, base, alpha_op) \
317
318
319// Draw half of a tile in 8bpp mode, for transparent renderer; as an
320// optimization the entire thing is checked against zero (in transparent
321// capable renders it is more likely for the pixels to be transparent than
322// opaque)
323
324#define tile_8bpp_draw_four_transparent(index, alpha_op, flip_op) \
325 if(current_pixels != 0) \
326 { \
327 tile_8bpp_draw_four_##flip_op(index, transparent, alpha_op); \
328 } \
329
330#define tile_8bpp_draw_four_copy(index, alpha_op, flip_op) \
331 if(current_pixels != 0) \
332 { \
333 tile_8bpp_draw_four_##flip_op(index, copy, alpha_op); \
334 } \
335
336// Helper macro for drawing 8bpp tiles clipped against the edge of the screen
337
338#define partial_tile_8bpp(combine_op, alpha_op) \
339 for(i = 0; i < partial_tile_run; i++) \
340 { \
341 tile_8bpp_draw_##combine_op(0, mask, 0, alpha_op); \
342 current_pixels >>= 8; \
343 advance_dest_ptr_##combine_op(1); \
344 } \
345
346
347// Draws 8bpp tiles clipped against the left side of the screen,
348// partial_tile_offset indicates how much clipped in it is, partial_tile_run
349// indicates how much it should draw.
350
351#define partial_tile_right_noflip_8bpp(combine_op, alpha_op) \
352 if(partial_tile_offset >= 4) \
353 { \
354 current_pixels = *((u32 *)(tile_ptr + 4)) >> \
355 ((partial_tile_offset - 4) * 8); \
356 partial_tile_8bpp(combine_op, alpha_op); \
357 } \
358 else \
359 { \
360 partial_tile_run -= 4; \
361 current_pixels = *((u32 *)tile_ptr) >> (partial_tile_offset * 8); \
362 partial_tile_8bpp(combine_op, alpha_op); \
363 current_pixels = *((u32 *)(tile_ptr + 4)); \
364 tile_8bpp_draw_four_##combine_op(0, alpha_op, noflip); \
365 advance_dest_ptr_##combine_op(4); \
366 } \
367
368
369// Draws 8bpp tiles clipped against both the left and right side of the
370// screen, IE, runs of less than 8 - partial_tile_offset.
371
372#define partial_tile_mid_noflip_8bpp(combine_op, alpha_op) \
373 if(partial_tile_offset >= 4) \
374 { \
375 current_pixels = *((u32 *)(tile_ptr + 4)) >> \
376 ((partial_tile_offset - 4) * 8); \
377 partial_tile_8bpp(combine_op, alpha_op); \
378 } \
379 else \
380 { \
381 current_pixels = *((u32 *)tile_ptr) >> (partial_tile_offset * 8); \
382 if((partial_tile_offset + partial_tile_run) > 4) \
383 { \
384 u32 old_run = partial_tile_run; \
385 partial_tile_run = 4 - partial_tile_offset; \
386 partial_tile_8bpp(combine_op, alpha_op); \
387 partial_tile_run = old_run - partial_tile_run; \
388 current_pixels = *((u32 *)(tile_ptr + 4)); \
389 partial_tile_8bpp(combine_op, alpha_op); \
390 } \
391 else \
392 { \
393 partial_tile_8bpp(combine_op, alpha_op); \
394 } \
395 } \
396
397
398// Draws 8bpp tiles clipped against the right side of the screen,
399// partial_tile_run indicates how much there is to draw.
400
401#define partial_tile_left_noflip_8bpp(combine_op, alpha_op) \
402 if(partial_tile_run >= 4) \
403 { \
404 current_pixels = *((u32 *)tile_ptr); \
405 tile_8bpp_draw_four_##combine_op(0, alpha_op, noflip); \
406 advance_dest_ptr_##combine_op(4); \
407 tile_ptr += 4; \
408 partial_tile_run -= 4; \
409 } \
410 \
411 current_pixels = *((u32 *)(tile_ptr)); \
412 partial_tile_8bpp(combine_op, alpha_op) \
413
414
415// Draws a non-clipped (complete) 8bpp tile.
416
417#define tile_noflip_8bpp(combine_op, alpha_op) \
418 current_pixels = *((u32 *)tile_ptr); \
419 tile_8bpp_draw_four_##combine_op(0, alpha_op, noflip); \
420 current_pixels = *((u32 *)(tile_ptr + 4)); \
421 tile_8bpp_draw_four_##combine_op(4, alpha_op, noflip) \
422
423
424// Like the above versions but draws flipped tiles.
425
426#define partial_tile_flip_8bpp(combine_op, alpha_op) \
427 for(i = 0; i < partial_tile_run; i++) \
428 { \
429 tile_8bpp_draw_##combine_op(0, shift, 24, alpha_op); \
430 current_pixels <<= 8; \
431 advance_dest_ptr_##combine_op(1); \
432 } \
433
434#define partial_tile_right_flip_8bpp(combine_op, alpha_op) \
435 if(partial_tile_offset >= 4) \
436 { \
437 current_pixels = *((u32 *)tile_ptr) << ((partial_tile_offset - 4) * 8); \
438 partial_tile_flip_8bpp(combine_op, alpha_op); \
439 } \
440 else \
441 { \
442 partial_tile_run -= 4; \
443 current_pixels = *((u32 *)(tile_ptr + 4)) << \
444 ((partial_tile_offset - 4) * 8); \
445 partial_tile_flip_8bpp(combine_op, alpha_op); \
446 current_pixels = *((u32 *)tile_ptr); \
447 tile_8bpp_draw_four_##combine_op(0, alpha_op, flip); \
448 advance_dest_ptr_##combine_op(4); \
449 } \
450
451#define partial_tile_mid_flip_8bpp(combine_op, alpha_op) \
452 if(partial_tile_offset >= 4) \
453 { \
454 current_pixels = *((u32 *)tile_ptr) << ((partial_tile_offset - 4) * 8); \
455 partial_tile_flip_8bpp(combine_op, alpha_op); \
456 } \
457 else \
458 { \
459 current_pixels = *((u32 *)(tile_ptr + 4)) << \
460 ((partial_tile_offset - 4) * 8); \
461 \
462 if((partial_tile_offset + partial_tile_run) > 4) \
463 { \
464 u32 old_run = partial_tile_run; \
465 partial_tile_run = 4 - partial_tile_offset; \
466 partial_tile_flip_8bpp(combine_op, alpha_op); \
467 partial_tile_run = old_run - partial_tile_run; \
468 current_pixels = *((u32 *)(tile_ptr)); \
469 partial_tile_flip_8bpp(combine_op, alpha_op); \
470 } \
471 else \
472 { \
473 partial_tile_flip_8bpp(combine_op, alpha_op); \
474 } \
475 } \
476
477#define partial_tile_left_flip_8bpp(combine_op, alpha_op) \
478 if(partial_tile_run >= 4) \
479 { \
480 current_pixels = *((u32 *)(tile_ptr + 4)); \
481 tile_8bpp_draw_four_##combine_op(0, alpha_op, flip); \
482 advance_dest_ptr_##combine_op(4); \
483 tile_ptr -= 4; \
484 partial_tile_run -= 4; \
485 } \
486 \
487 current_pixels = *((u32 *)(tile_ptr + 4)); \
488 partial_tile_flip_8bpp(combine_op, alpha_op) \
489
490#define tile_flip_8bpp(combine_op, alpha_op) \
491 current_pixels = *((u32 *)(tile_ptr + 4)); \
492 tile_8bpp_draw_four_##combine_op(0, alpha_op, flip); \
493 current_pixels = *((u32 *)tile_ptr); \
494 tile_8bpp_draw_four_##combine_op(4, alpha_op, flip) \
495
496
497// Operations for isolating 4bpp tiles in a 32bit block
498
499#define tile_4bpp_pixel_op_mask(op_param) \
500 current_pixel = current_pixels & 0x0F \
501
502#define tile_4bpp_pixel_op_shift_mask(shift) \
503 current_pixel = (current_pixels >> shift) & 0x0F \
504
505#define tile_4bpp_pixel_op_shift(shift) \
506 current_pixel = current_pixels >> shift \
507
508#define tile_4bpp_pixel_op_none(op_param) \
509
510// Draws a single 4bpp pixel as base, normal renderer; checks to see if the
511// pixel is zero because if so the current palette should not be applied.
512// These ifs can be replaced with a lookup table, may or may not be superior
513// this way, should be benchmarked. The lookup table would be from 0-255
514// identity map except for multiples of 16, which would map to 0.
515
516#define tile_4bpp_draw_base_normal(index) \
517 if(current_pixel) \
518 { \
519 current_pixel |= current_palette; \
520 tile_expand_base_normal(index); \
521 } \
522 else \
523 { \
524 tile_expand_base_normal(index); \
525 } \
526
527
528#define tile_4bpp_draw_base_alpha(index) \
529 if(current_pixel) \
530 { \
531 current_pixel |= current_palette; \
532 tile_expand_base_alpha(index); \
533 } \
534 else \
535 { \
536 tile_expand_base_bg(index); \
537 } \
538
539#define tile_4bpp_draw_base_color16(index) \
540 tile_4bpp_draw_base_alpha(index) \
541
542#define tile_4bpp_draw_base_color32(index) \
543 tile_4bpp_draw_base_alpha(index) \
544
545
546#define tile_4bpp_draw_base(index, op, op_param, alpha_op) \
547 tile_4bpp_pixel_op_##op(op_param); \
548 tile_4bpp_draw_base_##alpha_op(index) \
549
550
551// Draws a single 4bpp pixel as layered, if not transparent.
552
553#define tile_4bpp_draw_transparent(index, op, op_param, alpha_op) \
554 tile_4bpp_pixel_op_##op(op_param); \
555 if(current_pixel) \
556 { \
557 current_pixel |= current_palette; \
558 tile_expand_transparent_##alpha_op(index); \
559 } \
560
561#define tile_4bpp_draw_copy(index, op, op_param, alpha_op) \
562 tile_4bpp_pixel_op_##op(op_param); \
563 if(current_pixel) \
564 { \
565 current_pixel |= current_palette; \
566 tile_expand_copy(index); \
567 } \
568
569
570// Draws eight background pixels in transparent mode, for alpha or normal
571// renderers.
572
573#define tile_4bpp_draw_eight_base_zero(value) \
574 dest_ptr[0] = value; \
575 dest_ptr[1] = value; \
576 dest_ptr[2] = value; \
577 dest_ptr[3] = value; \
578 dest_ptr[4] = value; \
579 dest_ptr[5] = value; \
580 dest_ptr[6] = value; \
581 dest_ptr[7] = value \
582
583
584// Draws eight background pixels for the alpha renderer, basically color zero
585// with the background flag high.
586
587#define tile_4bpp_draw_eight_base_zero_alpha() \
588 tile_4bpp_draw_eight_base_zero(bg_combine) \
589
590#define tile_4bpp_draw_eight_base_zero_color16() \
591 tile_4bpp_draw_eight_base_zero_alpha() \
592
593#define tile_4bpp_draw_eight_base_zero_color32() \
594 tile_4bpp_draw_eight_base_zero_alpha() \
595
596
597// Draws eight background pixels for the normal renderer, just a bunch of
598// zeros.
599
600#ifdef RENDER_COLOR16_NORMAL
601
602#define tile_4bpp_draw_eight_base_zero_normal() \
603 current_pixel = 0; \
604 tile_4bpp_draw_eight_base_zero(current_pixel) \
605
606#else
607
608#define tile_4bpp_draw_eight_base_zero_normal() \
609 current_pixel = palette[0]; \
610 tile_4bpp_draw_eight_base_zero(current_pixel) \
611
612#endif
613
614
615// Draws eight 4bpp pixels.
616
617#define tile_4bpp_draw_eight_noflip(combine_op, alpha_op) \
618 tile_4bpp_draw_##combine_op(0, mask, 0, alpha_op); \
619 tile_4bpp_draw_##combine_op(1, shift_mask, 4, alpha_op); \
620 tile_4bpp_draw_##combine_op(2, shift_mask, 8, alpha_op); \
621 tile_4bpp_draw_##combine_op(3, shift_mask, 12, alpha_op); \
622 tile_4bpp_draw_##combine_op(4, shift_mask, 16, alpha_op); \
623 tile_4bpp_draw_##combine_op(5, shift_mask, 20, alpha_op); \
624 tile_4bpp_draw_##combine_op(6, shift_mask, 24, alpha_op); \
625 tile_4bpp_draw_##combine_op(7, shift, 28, alpha_op) \
626
627
628// Draws eight 4bpp pixels in reverse order (for hflip).
629
630#define tile_4bpp_draw_eight_flip(combine_op, alpha_op) \
631 tile_4bpp_draw_##combine_op(7, mask, 0, alpha_op); \
632 tile_4bpp_draw_##combine_op(6, shift_mask, 4, alpha_op); \
633 tile_4bpp_draw_##combine_op(5, shift_mask, 8, alpha_op); \
634 tile_4bpp_draw_##combine_op(4, shift_mask, 12, alpha_op); \
635 tile_4bpp_draw_##combine_op(3, shift_mask, 16, alpha_op); \
636 tile_4bpp_draw_##combine_op(2, shift_mask, 20, alpha_op); \
637 tile_4bpp_draw_##combine_op(1, shift_mask, 24, alpha_op); \
638 tile_4bpp_draw_##combine_op(0, shift, 28, alpha_op) \
639
640
641// Draws eight 4bpp pixels in base mode, checks if all are zero, if so draws
642// the appropriate background pixels.
643
644#define tile_4bpp_draw_eight_base(alpha_op, flip_op) \
645 if(current_pixels != 0) \
646 { \
647 tile_4bpp_draw_eight_##flip_op(base, alpha_op); \
648 } \
649 else \
650 { \
651 tile_4bpp_draw_eight_base_zero_##alpha_op(); \
652 } \
653
654
655// Draws eight 4bpp pixels in transparent (layered) mode, checks if all are
656// zero and if so draws nothing.
657
658#define tile_4bpp_draw_eight_transparent(alpha_op, flip_op) \
659 if(current_pixels != 0) \
660 { \
661 tile_4bpp_draw_eight_##flip_op(transparent, alpha_op); \
662 } \
663
664
665#define tile_4bpp_draw_eight_copy(alpha_op, flip_op) \
666 if(current_pixels != 0) \
667 { \
668 tile_4bpp_draw_eight_##flip_op(copy, alpha_op); \
669 } \
670
671// Gets the current tile in 4bpp mode, also getting the current palette and
672// the pixel block.
673
674#define get_tile_4bpp() \
675 current_tile = *map_ptr; \
676 current_palette = (current_tile >> 12) << 4; \
677 tile_ptr = tile_base + ((current_tile & 0x3FF) * 32); \
678
679
680// Helper macro for drawing clipped 4bpp tiles.
681
682#define partial_tile_4bpp(combine_op, alpha_op) \
683 for(i = 0; i < partial_tile_run; i++) \
684 { \
685 tile_4bpp_draw_##combine_op(0, mask, 0, alpha_op); \
686 current_pixels >>= 4; \
687 advance_dest_ptr_##combine_op(1); \
688 } \
689
690
691// Draws a 4bpp tile clipped against the left edge of the screen.
692// partial_tile_offset is how far in it's clipped, partial_tile_run is
693// how many to draw.
694
695#define partial_tile_right_noflip_4bpp(combine_op, alpha_op) \
696 current_pixels = *((u32 *)tile_ptr) >> (partial_tile_offset * 4); \
697 partial_tile_4bpp(combine_op, alpha_op) \
698
699
700// Draws a 4bpp tile clipped against both edges of the screen, same as right.
701
702#define partial_tile_mid_noflip_4bpp(combine_op, alpha_op) \
703 partial_tile_right_noflip_4bpp(combine_op, alpha_op) \
704
705
706// Draws a 4bpp tile clipped against the right edge of the screen.
707// partial_tile_offset is how many to draw.
708
709#define partial_tile_left_noflip_4bpp(combine_op, alpha_op) \
710 current_pixels = *((u32 *)tile_ptr); \
711 partial_tile_4bpp(combine_op, alpha_op) \
712
713
714// Draws a complete 4bpp tile row (not clipped)
715#define tile_noflip_4bpp(combine_op, alpha_op) \
716 current_pixels = *((u32 *)tile_ptr); \
717 tile_4bpp_draw_eight_##combine_op(alpha_op, noflip) \
718
719
720// Like the above, but draws flipped tiles.
721
722#define partial_tile_flip_4bpp(combine_op, alpha_op) \
723 for(i = 0; i < partial_tile_run; i++) \
724 { \
725 tile_4bpp_draw_##combine_op(0, shift, 28, alpha_op); \
726 current_pixels <<= 4; \
727 advance_dest_ptr_##combine_op(1); \
728 } \
729
730#define partial_tile_right_flip_4bpp(combine_op, alpha_op) \
731 current_pixels = *((u32 *)tile_ptr) << (partial_tile_offset * 4); \
732 partial_tile_flip_4bpp(combine_op, alpha_op) \
733
734#define partial_tile_mid_flip_4bpp(combine_op, alpha_op) \
735 partial_tile_right_flip_4bpp(combine_op, alpha_op) \
736
737#define partial_tile_left_flip_4bpp(combine_op, alpha_op) \
738 current_pixels = *((u32 *)tile_ptr); \
739 partial_tile_flip_4bpp(combine_op, alpha_op) \
740
741#define tile_flip_4bpp(combine_op, alpha_op) \
742 current_pixels = *((u32 *)tile_ptr); \
743 tile_4bpp_draw_eight_##combine_op(alpha_op, flip) \
744
745
746// Draws a single (partial or complete) tile from the tilemap, flipping
747// as necessary.
748
749#define single_tile_map(tile_type, combine_op, color_depth, alpha_op) \
750 get_tile_##color_depth(); \
751 if(current_tile & 0x800) \
752 tile_ptr += vertical_pixel_flip; \
753 \
754 if(current_tile & 0x400) \
755 { \
756 tile_type##_flip_##color_depth(combine_op, alpha_op); \
757 } \
758 else \
759 { \
760 tile_type##_noflip_##color_depth(combine_op, alpha_op); \
761 } \
762
763
764// Draws multiple sequential tiles from the tilemap, hflips and vflips as
765// necessary.
766
767#define multiple_tile_map(combine_op, color_depth, alpha_op) \
768 for(i = 0; i < tile_run; i++) \
769 { \
770 single_tile_map(tile, combine_op, color_depth, alpha_op); \
771 advance_dest_ptr_##combine_op(8); \
772 map_ptr++; \
773 } \
774
775// Draws a partial tile from a tilemap clipped against the left edge of the
776// screen.
777
778#define partial_tile_right_map(combine_op, color_depth, alpha_op) \
779 single_tile_map(partial_tile_right, combine_op, color_depth, alpha_op); \
780 map_ptr++ \
781
782// Draws a partial tile from a tilemap clipped against both edges of the
783// screen.
784
785#define partial_tile_mid_map(combine_op, color_depth, alpha_op) \
786 single_tile_map(partial_tile_mid, combine_op, color_depth, alpha_op) \
787
788// Draws a partial tile from a tilemap clipped against the right edge of the
789// screen.
790
791#define partial_tile_left_map(combine_op, color_depth, alpha_op) \
792 single_tile_map(partial_tile_left, combine_op, color_depth, alpha_op) \
793
794
795// Advances a non-flipped 4bpp obj to the next tile.
796
797#define obj_advance_noflip_4bpp() \
798 tile_ptr += 32 \
799
800
801// Advances a non-flipped 8bpp obj to the next tile.
802
803#define obj_advance_noflip_8bpp() \
804 tile_ptr += 64 \
805
806
807// Advances a flipped 4bpp obj to the next tile.
808
809#define obj_advance_flip_4bpp() \
810 tile_ptr -= 32 \
811
812
813// Advances a flipped 8bpp obj to the next tile.
814
815#define obj_advance_flip_8bpp() \
816 tile_ptr -= 64 \
817
818
819
820// Draws multiple sequential tiles from an obj, flip_op determines if it should
821// be flipped or not (set to flip or noflip)
822
823#define multiple_tile_obj(combine_op, color_depth, alpha_op, flip_op) \
824 for(i = 0; i < tile_run; i++) \
825 { \
826 tile_##flip_op##_##color_depth(combine_op, alpha_op); \
827 obj_advance_##flip_op##_##color_depth(); \
828 advance_dest_ptr_##combine_op(8); \
829 } \
830
831
832// Draws an obj's tile clipped against the left side of the screen
833
834#define partial_tile_right_obj(combine_op, color_depth, alpha_op, flip_op) \
835 partial_tile_right_##flip_op##_##color_depth(combine_op, alpha_op); \
836 obj_advance_##flip_op##_##color_depth() \
837
838// Draws an obj's tile clipped against both sides of the screen
839
840#define partial_tile_mid_obj(combine_op, color_depth, alpha_op, flip_op) \
841 partial_tile_mid_##flip_op##_##color_depth(combine_op, alpha_op) \
842
843// Draws an obj's tile clipped against the right side of the screen
844
845#define partial_tile_left_obj(combine_op, color_depth, alpha_op, flip_op) \
846 partial_tile_left_##flip_op##_##color_depth(combine_op, alpha_op) \
847
848
849// Extra variables specific for 8bpp/4bpp tile renderers.
850
851#define tile_extra_variables_8bpp() \
852
853#define tile_extra_variables_4bpp() \
854 u32 current_palette \
855
856
857// Byte lengths of complete tiles and tile rows in 4bpp and 8bpp.
858
859#define tile_width_4bpp 4
860#define tile_size_4bpp 32
861#define tile_width_8bpp 8
862#define tile_size_8bpp 64
863
864
865// Render a single scanline of text tiles
866
867#define tile_render(color_depth, combine_op, alpha_op) \
868{ \
869 u32 vertical_pixel_offset = (vertical_offset % 8) * \
870 tile_width_##color_depth; \
871 u32 vertical_pixel_flip = \
872 ((tile_size_##color_depth - tile_width_##color_depth) - \
873 vertical_pixel_offset) - vertical_pixel_offset; \
874 tile_extra_variables_##color_depth(); \
875 u8 *tile_base = vram + (((bg_control >> 2) & 0x03) * (1024 * 16)) + \
876 vertical_pixel_offset; \
877 u32 pixel_run = 256 - (horizontal_offset % 256); \
878 u32 current_tile; \
879 \
880 map_base += ((vertical_offset % 256) / 8) * 32; \
881 partial_tile_offset = (horizontal_offset % 8); \
882 \
883 if(pixel_run >= end) \
884 { \
885 if(partial_tile_offset) \
886 { \
887 partial_tile_run = 8 - partial_tile_offset; \
888 if(end < partial_tile_run) \
889 { \
890 partial_tile_run = end; \
891 partial_tile_mid_map(combine_op, color_depth, alpha_op); \
892 return; \
893 } \
894 else \
895 { \
896 end -= partial_tile_run; \
897 partial_tile_right_map(combine_op, color_depth, alpha_op); \
898 } \
899 } \
900 \
901 tile_run = end / 8; \
902 multiple_tile_map(combine_op, color_depth, alpha_op); \
903 \
904 partial_tile_run = end % 8; \
905 \
906 if(partial_tile_run) \
907 { \
908 partial_tile_left_map(combine_op, color_depth, alpha_op); \
909 } \
910 } \
911 else \
912 { \
913 if(partial_tile_offset) \
914 { \
915 partial_tile_run = 8 - partial_tile_offset; \
916 partial_tile_right_map(combine_op, color_depth, alpha_op); \
917 } \
918 \
919 tile_run = (pixel_run - partial_tile_run) / 8; \
920 multiple_tile_map(combine_op, color_depth, alpha_op); \
921 map_ptr = second_ptr; \
922 end -= pixel_run; \
923 tile_run = end / 8; \
924 multiple_tile_map(combine_op, color_depth, alpha_op); \
925 \
926 partial_tile_run = end % 8; \
927 if(partial_tile_run) \
928 { \
929 partial_tile_left_map(combine_op, color_depth, alpha_op); \
930 } \
931 } \
932} \
933
934#define render_scanline_dest_normal u16
935#define render_scanline_dest_alpha u32
936#define render_scanline_dest_alpha_obj u32
937#define render_scanline_dest_color16 u16
938#define render_scanline_dest_color32 u32
939#define render_scanline_dest_partial_alpha u32
940#define render_scanline_dest_copy_tile u16
941#define render_scanline_dest_copy_bitmap u16
942
943
944// If rendering a scanline that is not a target A then there's no point in
945// keeping what's underneath it because it can't blend with it.
946
947#define render_scanline_skip_alpha(bg_type, combine_op) \
948 if((pixel_combine & 0x00000200) == 0) \
949 { \
950 render_scanline_##bg_type##_##combine_op##_color32(layer, \
951 start, end, scanline); \
952 return; \
953 } \
954
955
956#ifdef RENDER_COLOR16_NORMAL
957
958#define render_scanline_extra_variables_base_normal(bg_type) \
959 const u32 pixel_combine = 0 \
960
961#else
962
963#define render_scanline_extra_variables_base_normal(bg_type) \
964 u16 *palette = palette_ram_converted \
965
966#endif
967
968
969#define render_scanline_extra_variables_base_alpha(bg_type) \
970 u32 bg_combine = color_combine_mask(5); \
971 u32 pixel_combine = color_combine_mask(layer) | (bg_combine << 16); \
972 render_scanline_skip_alpha(bg_type, base) \
973
974#define render_scanline_extra_variables_base_color() \
975 u32 bg_combine = color_combine_mask(5); \
976 u32 pixel_combine = color_combine_mask(layer) \
977
978#define render_scanline_extra_variables_base_color16(bg_type) \
979 render_scanline_extra_variables_base_color() \
980
981#define render_scanline_extra_variables_base_color32(bg_type) \
982 render_scanline_extra_variables_base_color() \
983
984
985#define render_scanline_extra_variables_transparent_normal(bg_type) \
986 render_scanline_extra_variables_base_normal(bg_type) \
987
988#define render_scanline_extra_variables_transparent_alpha(bg_type) \
989 u32 pixel_combine = color_combine_mask(layer); \
990 render_scanline_skip_alpha(bg_type, transparent) \
991
992#define render_scanline_extra_variables_transparent_color() \
993 u32 pixel_combine = color_combine_mask(layer) \
994
995#define render_scanline_extra_variables_transparent_color16(bg_type) \
996 render_scanline_extra_variables_transparent_color() \
997
998#define render_scanline_extra_variables_transparent_color32(bg_type) \
999 render_scanline_extra_variables_transparent_color() \
1000
1001
1002
1003
1004
1005// Map widths and heights
1006
1007u32 map_widths[] = { 256, 512, 256, 512 };
1008u32 map_heights[] = { 256, 256, 512, 512 };
1009
1010// Build text scanline rendering functions.
1011
1012#define render_scanline_text_builder(combine_op, alpha_op) \
1013void render_scanline_text_##combine_op##_##alpha_op(u32 layer, \
1014 u32 start, u32 end, void *scanline) \
1015{ \
1016 render_scanline_extra_variables_##combine_op##_##alpha_op(text); \
1017 u32 bg_control = io_registers[REG_BG0CNT + layer]; \
1018 u32 map_size = (bg_control >> 14) & 0x03; \
1019 u32 map_width = map_widths[map_size]; \
1020 u32 map_height = map_heights[map_size]; \
1021 u32 horizontal_offset = \
1022 (io_registers[REG_BG0HOFS + (layer * 2)] + start) % 512; \
1023 u32 vertical_offset = (io_registers[REG_VCOUNT] + \
1024 io_registers[REG_BG0VOFS + (layer * 2)]) % 512; \
1025 u32 current_pixel; \
1026 u32 current_pixels; \
1027 u32 partial_tile_run = 0; \
1028 u32 partial_tile_offset; \
1029 u32 tile_run; \
1030 u32 i; \
1031 render_scanline_dest_##alpha_op *dest_ptr = \
1032 ((render_scanline_dest_##alpha_op *)scanline) + start; \
1033 \
1034 u16 *map_base = (u16 *)(vram + ((bg_control >> 8) & 0x1F) * (1024 * 2)); \
1035 u16 *map_ptr, *second_ptr; \
1036 u8 *tile_ptr; \
1037 \
1038 end -= start; \
1039 \
1040 if((map_size & 0x02) && (vertical_offset >= 256)) \
1041 { \
1042 map_base += ((map_width / 8) * 32) + \
1043 (((vertical_offset - 256) / 8) * 32); \
1044 } \
1045 else \
1046 { \
1047 map_base += (((vertical_offset % 256) / 8) * 32); \
1048 } \
1049 \
1050 if(map_size & 0x01) \
1051 { \
1052 if(horizontal_offset >= 256) \
1053 { \
1054 horizontal_offset -= 256; \
1055 map_ptr = map_base + (32 * 32) + (horizontal_offset / 8); \
1056 second_ptr = map_base; \
1057 } \
1058 else \
1059 { \
1060 map_ptr = map_base + (horizontal_offset / 8); \
1061 second_ptr = map_base + (32 * 32); \
1062 } \
1063 } \
1064 else \
1065 { \
1066 horizontal_offset %= 256; \
1067 map_ptr = map_base + (horizontal_offset / 8); \
1068 second_ptr = map_base; \
1069 } \
1070 \
1071 if(bg_control & 0x80) \
1072 { \
1073 tile_render(8bpp, combine_op, alpha_op); \
1074 } \
1075 else \
1076 { \
1077 tile_render(4bpp, combine_op, alpha_op); \
1078 } \
1079} \
1080
1081render_scanline_text_builder(base, normal);
1082render_scanline_text_builder(transparent, normal);
1083render_scanline_text_builder(base, color16);
1084render_scanline_text_builder(transparent, color16);
1085render_scanline_text_builder(base, color32);
1086render_scanline_text_builder(transparent, color32);
1087render_scanline_text_builder(base, alpha);
1088render_scanline_text_builder(transparent, alpha);
1089
1090
1091s32 affine_reference_x[2];
1092s32 affine_reference_y[2];
1093
1094#define affine_render_bg_pixel_normal() \
1095 current_pixel = palette_ram_converted[0] \
1096
1097#define affine_render_bg_pixel_alpha() \
1098 current_pixel = bg_combine \
1099
1100#define affine_render_bg_pixel_color16() \
1101 affine_render_bg_pixel_alpha() \
1102
1103#define affine_render_bg_pixel_color32() \
1104 affine_render_bg_pixel_alpha() \
1105
1106#define affine_render_bg_pixel_base(alpha_op) \
1107 affine_render_bg_pixel_##alpha_op() \
1108
1109#define affine_render_bg_pixel_transparent(alpha_op) \
1110
1111#define affine_render_bg_pixel_copy(alpha_op) \
1112
1113#define affine_render_bg_base(alpha_op) \
1114 dest_ptr[0] = current_pixel
1115
1116#define affine_render_bg_transparent(alpha_op) \
1117
1118#define affine_render_bg_copy(alpha_op) \
1119
1120#define affine_render_bg_remainder_base(alpha_op) \
1121 affine_render_bg_pixel_##alpha_op(); \
1122 for(; i < end; i++) \
1123 { \
1124 affine_render_bg_base(alpha_op); \
1125 advance_dest_ptr_base(1); \
1126 } \
1127
1128#define affine_render_bg_remainder_transparent(alpha_op) \
1129
1130#define affine_render_bg_remainder_copy(alpha_op) \
1131
1132#define affine_render_next(combine_op) \
1133 source_x += dx; \
1134 source_y += dy; \
1135 advance_dest_ptr_##combine_op(1) \
1136
1137#define affine_render_scale_offset() \
1138 tile_base += ((pixel_y % 8) * 8); \
1139 map_base += (pixel_y / 8) << map_pitch \
1140
1141#define affine_render_scale_pixel(combine_op, alpha_op) \
1142 map_offset = (pixel_x / 8); \
1143 if(map_offset != last_map_offset) \
1144 { \
1145 tile_ptr = tile_base + (map_base[map_offset] * 64); \
1146 last_map_offset = map_offset; \
1147 } \
1148 tile_ptr = tile_base + (map_base[(pixel_x / 8)] * 64); \
1149 current_pixel = tile_ptr[(pixel_x % 8)]; \
1150 tile_8bpp_draw_##combine_op(0, none, 0, alpha_op); \
1151 affine_render_next(combine_op) \
1152
1153#define affine_render_scale(combine_op, alpha_op) \
1154{ \
1155 pixel_y = source_y >> 8; \
1156 u32 i = 0; \
1157 affine_render_bg_pixel_##combine_op(alpha_op); \
1158 if((u32)pixel_y < (u32)width_height) \
1159 { \
1160 affine_render_scale_offset(); \
1161 for(; i < end; i++) \
1162 { \
1163 pixel_x = source_x >> 8; \
1164 \
1165 if((u32)pixel_x < (u32)width_height) \
1166 { \
1167 break; \
1168 } \
1169 \
1170 affine_render_bg_##combine_op(alpha_op); \
1171 affine_render_next(combine_op); \
1172 } \
1173 \
1174 for(; i < end; i++) \
1175 { \
1176 pixel_x = source_x >> 8; \
1177 \
1178 if((u32)pixel_x >= (u32)width_height) \
1179 break; \
1180 \
1181 affine_render_scale_pixel(combine_op, alpha_op); \
1182 } \
1183 } \
1184 affine_render_bg_remainder_##combine_op(alpha_op); \
1185} \
1186
1187#define affine_render_scale_wrap(combine_op, alpha_op) \
1188{ \
1189 u32 wrap_mask = width_height - 1; \
1190 pixel_y = (source_y >> 8) & wrap_mask; \
1191 if((u32)pixel_y < (u32)width_height) \
1192 { \
1193 affine_render_scale_offset(); \
1194 for(i = 0; i < end; i++) \
1195 { \
1196 pixel_x = (source_x >> 8) & wrap_mask; \
1197 affine_render_scale_pixel(combine_op, alpha_op); \
1198 } \
1199 } \
1200} \
1201
1202
1203#define affine_render_rotate_pixel(combine_op, alpha_op) \
1204 map_offset = (pixel_x / 8) + ((pixel_y / 8) << map_pitch); \
1205 if(map_offset != last_map_offset) \
1206 { \
1207 tile_ptr = tile_base + (map_base[map_offset] * 64); \
1208 last_map_offset = map_offset; \
1209 } \
1210 \
1211 current_pixel = tile_ptr[(pixel_x % 8) + ((pixel_y % 8) * 8)]; \
1212 tile_8bpp_draw_##combine_op(0, none, 0, alpha_op); \
1213 affine_render_next(combine_op) \
1214
1215#define affine_render_rotate(combine_op, alpha_op) \
1216{ \
1217 affine_render_bg_pixel_##combine_op(alpha_op); \
1218 for(i = 0; i < end; i++) \
1219 { \
1220 pixel_x = source_x >> 8; \
1221 pixel_y = source_y >> 8; \
1222 \
1223 if(((u32)pixel_x < (u32)width_height) && \
1224 ((u32)pixel_y < (u32)width_height)) \
1225 { \
1226 break; \
1227 } \
1228 affine_render_bg_##combine_op(alpha_op); \
1229 affine_render_next(combine_op); \
1230 } \
1231 \
1232 for(; i < end; i++) \
1233 { \
1234 pixel_x = source_x >> 8; \
1235 pixel_y = source_y >> 8; \
1236 \
1237 if(((u32)pixel_x >= (u32)width_height) || \
1238 ((u32)pixel_y >= (u32)width_height)) \
1239 { \
1240 affine_render_bg_remainder_##combine_op(alpha_op); \
1241 break; \
1242 } \
1243 \
1244 affine_render_rotate_pixel(combine_op, alpha_op); \
1245 } \
1246} \
1247
1248#define affine_render_rotate_wrap(combine_op, alpha_op) \
1249{ \
1250 u32 wrap_mask = width_height - 1; \
1251 for(i = 0; i < end; i++) \
1252 { \
1253 pixel_x = (source_x >> 8) & wrap_mask; \
1254 pixel_y = (source_y >> 8) & wrap_mask; \
1255 \
1256 affine_render_rotate_pixel(combine_op, alpha_op); \
1257 } \
1258} \
1259
1260
1261// Build affine background renderers.
1262
1263#define render_scanline_affine_builder(combine_op, alpha_op) \
1264void render_scanline_affine_##combine_op##_##alpha_op(u32 layer, \
1265 u32 start, u32 end, void *scanline) \
1266{ \
1267 render_scanline_extra_variables_##combine_op##_##alpha_op(affine); \
1268 u32 bg_control = io_registers[REG_BG0CNT + layer]; \
1269 u32 current_pixel; \
1270 s32 source_x, source_y; \
1271 u32 vcount = io_registers[REG_VCOUNT]; \
1272 u32 pixel_x, pixel_y; \
1273 u32 layer_offset = (layer - 2) * 8; \
1274 s32 dx, dy; \
1275 u32 map_size = (bg_control >> 14) & 0x03; \
1276 u32 width_height = 1 << (7 + map_size); \
1277 u32 map_pitch = map_size + 4; \
1278 u8 *map_base = vram + (((bg_control >> 8) & 0x1F) * (1024 * 2)); \
1279 u8 *tile_base = vram + (((bg_control >> 2) & 0x03) * (1024 * 16)); \
1280 u8 *tile_ptr; \
1281 u32 map_offset, last_map_offset = (u32)-1; \
1282 u32 i; \
1283 render_scanline_dest_##alpha_op *dest_ptr = \
1284 ((render_scanline_dest_##alpha_op *)scanline) + start; \
1285 \
1286 dx = (s16)io_registers[REG_BG2PA + layer_offset]; \
1287 dy = (s16)io_registers[REG_BG2PC + layer_offset]; \
1288 source_x = affine_reference_x[layer - 2] + (start * dx); \
1289 source_y = affine_reference_y[layer - 2] + (start * dy); \
1290 \
1291 end -= start; \
1292 \
1293 switch(((bg_control >> 12) & 0x02) | (dy != 0)) \
1294 { \
1295 case 0x00: \
1296 affine_render_scale(combine_op, alpha_op); \
1297 break; \
1298 \
1299 case 0x01: \
1300 affine_render_rotate(combine_op, alpha_op); \
1301 break; \
1302 \
1303 case 0x02: \
1304 affine_render_scale_wrap(combine_op, alpha_op); \
1305 break; \
1306 \
1307 case 0x03: \
1308 affine_render_rotate_wrap(combine_op, alpha_op); \
1309 break; \
1310 } \
1311} \
1312
1313render_scanline_affine_builder(base, normal);
1314render_scanline_affine_builder(transparent, normal);
1315render_scanline_affine_builder(base, color16);
1316render_scanline_affine_builder(transparent, color16);
1317render_scanline_affine_builder(base, color32);
1318render_scanline_affine_builder(transparent, color32);
1319render_scanline_affine_builder(base, alpha);
1320render_scanline_affine_builder(transparent, alpha);
1321
1322
1323#define bitmap_render_pixel_mode3(alpha_op) \
1324 convert_palette(current_pixel); \
1325 *dest_ptr = current_pixel \
1326
1327#define bitmap_render_pixel_mode4(alpha_op) \
1328 tile_expand_base_##alpha_op(0) \
1329
1330#define bitmap_render_pixel_mode5(alpha_op) \
1331 bitmap_render_pixel_mode3(alpha_op) \
1332
1333
1334#define bitmap_render_scale(type, alpha_op, width, height) \
1335 pixel_y = (source_y >> 8); \
1336 if((u32)pixel_y < (u32)height) \
1337 { \
1338 pixel_x = (source_x >> 8); \
1339 src_ptr += (pixel_y * width); \
1340 if(dx == 0x100) \
1341 { \
1342 if(pixel_x < 0) \
1343 { \
1344 end += pixel_x; \
1345 dest_ptr -= pixel_x; \
1346 pixel_x = 0; \
1347 } \
1348 else \
1349 \
1350 if(pixel_x > 0) \
1351 { \
1352 src_ptr += pixel_x; \
1353 } \
1354 \
1355 if((pixel_x + end) >= width) \
1356 end = (width - pixel_x); \
1357 \
1358 for(i = 0; (s32)i < (s32)end; i++) \
1359 { \
1360 current_pixel = *src_ptr; \
1361 bitmap_render_pixel_##type(alpha_op); \
1362 src_ptr++; \
1363 dest_ptr++; \
1364 } \
1365 } \
1366 else \
1367 { \
1368 if((u32)(source_y >> 8) < (u32)height) \
1369 { \
1370 for(i = 0; i < end; i++) \
1371 { \
1372 pixel_x = (source_x >> 8); \
1373 \
1374 if((u32)pixel_x < (u32)width) \
1375 break; \
1376 \
1377 source_x += dx; \
1378 dest_ptr++; \
1379 } \
1380 \
1381 for(; i < end; i++) \
1382 { \
1383 pixel_x = (source_x >> 8); \
1384 \
1385 if((u32)pixel_x >= (u32)width) \
1386 break; \
1387 \
1388 current_pixel = src_ptr[pixel_x]; \
1389 bitmap_render_pixel_##type(alpha_op); \
1390 \
1391 source_x += dx; \
1392 dest_ptr++; \
1393 } \
1394 } \
1395 } \
1396 } \
1397
1398#define bitmap_render_rotate(type, alpha_op, width, height) \
1399 for(i = 0; i < end; i++) \
1400 { \
1401 pixel_x = source_x >> 8; \
1402 pixel_y = source_y >> 8; \
1403 \
1404 if(((u32)pixel_x < (u32)width) && ((u32)pixel_y < (u32)height)) \
1405 break; \
1406 \
1407 source_x += dx; \
1408 source_y += dy; \
1409 dest_ptr++; \
1410 } \
1411 \
1412 for(; i < end; i++) \
1413 { \
1414 pixel_x = (source_x >> 8); \
1415 pixel_y = (source_y >> 8); \
1416 \
1417 if(((u32)pixel_x >= (u32)width) || ((u32)pixel_y >= (u32)height)) \
1418 break; \
1419 \
1420 current_pixel = src_ptr[pixel_x + (pixel_y * width)]; \
1421 bitmap_render_pixel_##type(alpha_op); \
1422 \
1423 source_x += dx; \
1424 source_y += dy; \
1425 dest_ptr++; \
1426 } \
1427
1428
1429#define render_scanline_vram_setup_mode3() \
1430 u16 *src_ptr = (u16 *)vram \
1431
1432#define render_scanline_vram_setup_mode5() \
1433 u16 *src_ptr; \
1434 if(io_registers[REG_DISPCNT] & 0x10) \
1435 src_ptr = (u16 *)(vram + 0xA000); \
1436 else \
1437 src_ptr = (u16 *)vram \
1438
1439
1440#ifdef RENDER_COLOR16_NORMAL
1441
1442#define render_scanline_vram_setup_mode4() \
1443 const u32 pixel_combine = 0; \
1444 u8 *src_ptr; \
1445 if(io_registers[REG_DISPCNT] & 0x10) \
1446 src_ptr = vram + 0xA000; \
1447 else \
1448 src_ptr = vram \
1449
1450
1451#else
1452
1453#define render_scanline_vram_setup_mode4() \
1454 u16 *palette = palette_ram_converted; \
1455 u8 *src_ptr; \
1456 if(io_registers[REG_DISPCNT] & 0x10) \
1457 src_ptr = vram + 0xA000; \
1458 else \
1459 src_ptr = vram \
1460
1461#endif
1462
1463
1464
1465// Build bitmap scanline rendering functions.
1466
1467#define render_scanline_bitmap_builder(type, alpha_op, width, height) \
1468void render_scanline_bitmap_##type##_##alpha_op(u32 start, u32 end, \
1469 void *scanline) \
1470{ \
1471 u32 bg_control = io_registers[REG_BG2CNT]; \
1472 u32 current_pixel; \
1473 s32 source_x, source_y; \
1474 u32 vcount = io_registers[REG_VCOUNT]; \
1475 s32 pixel_x, pixel_y; \
1476 \
1477 s32 dx = (s16)io_registers[REG_BG2PA]; \
1478 s32 dy = (s16)io_registers[REG_BG2PC]; \
1479 \
1480 u32 i; \
1481 \
1482 render_scanline_dest_##alpha_op *dest_ptr = \
1483 ((render_scanline_dest_##alpha_op *)scanline) + start; \
1484 render_scanline_vram_setup_##type(); \
1485 \
1486 end -= start; \
1487 \
1488 source_x = affine_reference_x[0] + (start * dx); \
1489 source_y = affine_reference_y[0] + (start * dy); \
1490 \
1491 if(dy == 0) \
1492 { \
1493 bitmap_render_scale(type, alpha_op, width, height); \
1494 } \
1495 else \
1496 { \
1497 bitmap_render_rotate(type, alpha_op, width, height); \
1498 } \
1499} \
1500
1501render_scanline_bitmap_builder(mode3, normal, 240, 160);
1502render_scanline_bitmap_builder(mode4, normal, 240, 160);
1503render_scanline_bitmap_builder(mode5, normal, 160, 128);
1504
1505
1506// Fill in the renderers for a layer based on the mode type,
1507
1508#define tile_layer_render_functions(type) \
1509{ \
1510 render_scanline_##type##_base_normal, \
1511 render_scanline_##type##_transparent_normal, \
1512 render_scanline_##type##_base_alpha, \
1513 render_scanline_##type##_transparent_alpha, \
1514 render_scanline_##type##_base_color16, \
1515 render_scanline_##type##_transparent_color16, \
1516 render_scanline_##type##_base_color32, \
1517 render_scanline_##type##_transparent_color32 \
1518} \
1519
1520
1521// Use if a layer is unsupported for that mode.
1522
1523#define tile_layer_render_null() \
1524{ \
1525 NULL, NULL, NULL, NULL \
1526} \
1527
1528#define bitmap_layer_render_functions(type) \
1529{ \
1530 render_scanline_bitmap_##type##_normal \
1531} \
1532
1533// Structs containing functions to render the layers for each mode, for
1534// each render type.
1535tile_layer_render_struct tile_mode_renderers[3][4] =
1536{
1537 {
1538 tile_layer_render_functions(text), tile_layer_render_functions(text),
1539 tile_layer_render_functions(text), tile_layer_render_functions(text)
1540 },
1541 {
1542 tile_layer_render_functions(text), tile_layer_render_functions(text),
1543 tile_layer_render_functions(affine), tile_layer_render_functions(text)
1544 },
1545 {
1546 tile_layer_render_functions(text), tile_layer_render_functions(text),
1547 tile_layer_render_functions(affine), tile_layer_render_functions(affine)
1548 }
1549};
1550
1551bitmap_layer_render_struct bitmap_mode_renderers[3] =
1552{
1553 bitmap_layer_render_functions(mode3),
1554 bitmap_layer_render_functions(mode4),
1555 bitmap_layer_render_functions(mode5)
1556};
1557
1558
1559#define render_scanline_layer_functions_tile() \
1560 tile_layer_render_struct *layer_renderers = \
1561 tile_mode_renderers[dispcnt & 0x07] \
1562
1563#define render_scanline_layer_functions_bitmap() \
1564 bitmap_layer_render_struct *layer_renderers = \
1565 bitmap_mode_renderers + ((dispcnt & 0x07) - 3) \
1566
1567
1568// Adjust a flipped obj's starting position
1569
1570#define obj_tile_offset_noflip(color_depth) \
1571
1572#define obj_tile_offset_flip(color_depth) \
1573 + (tile_size_##color_depth * ((obj_width - 8) / 8)) \
1574
1575
1576// Adjust the obj's starting point if it goes too far off the left edge of \
1577// the screen. \
1578
1579#define obj_tile_right_offset_noflip(color_depth) \
1580 tile_ptr += (partial_tile_offset / 8) * tile_size_##color_depth \
1581
1582#define obj_tile_right_offset_flip(color_depth) \
1583 tile_ptr -= (partial_tile_offset / 8) * tile_size_##color_depth \
1584
1585// Get the current row offset into an obj in 1D map space
1586
1587#define obj_tile_offset_1D(color_depth, flip_op) \
1588 tile_ptr = tile_base + ((obj_attribute_2 & 0x3FF) * 32) \
1589 + ((vertical_offset / 8) * (obj_width / 8) * tile_size_##color_depth) \
1590 + ((vertical_offset % 8) * tile_width_##color_depth) \
1591 obj_tile_offset_##flip_op(color_depth) \
1592
1593// Get the current row offset into an obj in 2D map space
1594
1595#define obj_tile_offset_2D(color_depth, flip_op) \
1596 tile_ptr = tile_base + ((obj_attribute_2 & 0x3FF) * 32) \
1597 + ((vertical_offset / 8) * 1024) \
1598 + ((vertical_offset % 8) * tile_width_##color_depth) \
1599 obj_tile_offset_##flip_op(color_depth) \
1600
1601
1602// Get the palette for 4bpp obj.
1603
1604#define obj_get_palette_4bpp() \
1605 current_palette = (obj_attribute_2 >> 8) & 0xF0 \
1606
1607#define obj_get_palette_8bpp() \
1608
1609
1610// Render the current row of an obj.
1611
1612#define obj_render(combine_op, color_depth, alpha_op, map_space, flip_op) \
1613{ \
1614 obj_get_palette_##color_depth(); \
1615 obj_tile_offset_##map_space(color_depth, flip_op); \
1616 \
1617 if(obj_x < (s32)start) \
1618 { \
1619 dest_ptr = scanline + start; \
1620 pixel_run = obj_width - (start - obj_x); \
1621 if((s32)pixel_run > 0) \
1622 { \
1623 if((obj_x + obj_width) >= end) \
1624 { \
1625 pixel_run = end - start; \
1626 partial_tile_offset = start - obj_x; \
1627 obj_tile_right_offset_##flip_op(color_depth); \
1628 partial_tile_offset %= 8; \
1629 \
1630 if(partial_tile_offset) \
1631 { \
1632 partial_tile_run = 8 - partial_tile_offset; \
1633 if((s32)pixel_run < (s32)partial_tile_run) \
1634 { \
1635 if((s32)pixel_run > 0) \
1636 { \
1637 partial_tile_run = pixel_run; \
1638 partial_tile_mid_obj(combine_op, color_depth, alpha_op, \
1639 flip_op); \
1640 } \
1641 continue; \
1642 } \
1643 else \
1644 { \
1645 pixel_run -= partial_tile_run; \
1646 partial_tile_right_obj(combine_op, color_depth, alpha_op, \
1647 flip_op); \
1648 } \
1649 } \
1650 tile_run = pixel_run / 8; \
1651 multiple_tile_obj(combine_op, color_depth, alpha_op, flip_op); \
1652 partial_tile_run = pixel_run % 8; \
1653 if(partial_tile_run) \
1654 { \
1655 partial_tile_left_obj(combine_op, color_depth, alpha_op, \
1656 flip_op); \
1657 } \
1658 } \
1659 else \
1660 { \
1661 partial_tile_offset = start - obj_x; \
1662 obj_tile_right_offset_##flip_op(color_depth); \
1663 partial_tile_offset %= 8; \
1664 if(partial_tile_offset) \
1665 { \
1666 partial_tile_run = 8 - partial_tile_offset; \
1667 partial_tile_right_obj(combine_op, color_depth, alpha_op, \
1668 flip_op); \
1669 } \
1670 tile_run = pixel_run / 8; \
1671 multiple_tile_obj(combine_op, color_depth, alpha_op, flip_op); \
1672 } \
1673 } \
1674 } \
1675 else \
1676 \
1677 if((obj_x + obj_width) >= end) \
1678 { \
1679 pixel_run = end - obj_x; \
1680 if((s32)pixel_run > 0) \
1681 { \
1682 dest_ptr = scanline + obj_x; \
1683 tile_run = pixel_run / 8; \
1684 multiple_tile_obj(combine_op, color_depth, alpha_op, flip_op); \
1685 partial_tile_run = pixel_run % 8; \
1686 if(partial_tile_run) \
1687 { \
1688 partial_tile_left_obj(combine_op, color_depth, alpha_op, flip_op); \
1689 } \
1690 } \
1691 } \
1692 else \
1693 { \
1694 dest_ptr = scanline + obj_x; \
1695 tile_run = obj_width / 8; \
1696 multiple_tile_obj(combine_op, color_depth, alpha_op, flip_op); \
1697 } \
1698} \
1699
1700#define obj_scale_offset_1D(color_depth) \
1701 tile_ptr = tile_base + ((obj_attribute_2 & 0x3FF) * 32) \
1702 + ((vertical_offset / 8) * (max_x / 8) * tile_size_##color_depth) \
1703 + ((vertical_offset % 8) * tile_width_##color_depth) \
1704
1705// Get the current row offset into an obj in 2D map space
1706
1707#define obj_scale_offset_2D(color_depth) \
1708 tile_ptr = tile_base + ((obj_attribute_2 & 0x3FF) * 32) \
1709 + ((vertical_offset / 8) * 1024) \
1710 + ((vertical_offset % 8) * tile_width_##color_depth) \
1711
1712#define obj_render_scale_pixel_4bpp(combine_op, alpha_op) \
1713 if(tile_x & 0x01) \
1714 { \
1715 current_pixel = tile_ptr[tile_map_offset + ((tile_x >> 1) & 0x03)] >> 4; \
1716 } \
1717 else \
1718 { \
1719 current_pixel = \
1720 tile_ptr[tile_map_offset + ((tile_x >> 1) & 0x03)] & 0x0F; \
1721 } \
1722 \
1723 tile_4bpp_draw_##combine_op(0, none, 0, alpha_op) \
1724
1725
1726#define obj_render_scale_pixel_8bpp(combine_op, alpha_op) \
1727 current_pixel = tile_ptr[tile_map_offset + (tile_x & 0x07)]; \
1728 tile_8bpp_draw_##combine_op(0, none, 0, alpha_op); \
1729
1730#define obj_render_scale(combine_op, color_depth, alpha_op, map_space) \
1731{ \
1732 u32 vertical_offset; \
1733 source_y += (y_delta * dmy); \
1734 vertical_offset = (source_y >> 8); \
1735 if((u32)vertical_offset < (u32)max_y) \
1736 { \
1737 obj_scale_offset_##map_space(color_depth); \
1738 source_x += (y_delta * dmx) - (middle_x * dx); \
1739 \
1740 for(i = 0; i < obj_width; i++) \
1741 { \
1742 tile_x = (source_x >> 8); \
1743 \
1744 if((u32)tile_x < (u32)max_x) \
1745 break; \
1746 \
1747 source_x += dx; \
1748 advance_dest_ptr_##combine_op(1); \
1749 } \
1750 \
1751 for(; i < obj_width; i++) \
1752 { \
1753 tile_x = (source_x >> 8); \
1754 \
1755 if((u32)tile_x >= (u32)max_x) \
1756 break; \
1757 \
1758 tile_map_offset = (tile_x >> 3) * tile_size_##color_depth; \
1759 obj_render_scale_pixel_##color_depth(combine_op, alpha_op); \
1760 \
1761 source_x += dx; \
1762 advance_dest_ptr_##combine_op(1); \
1763 } \
1764 } \
1765} \
1766
1767
1768#define obj_rotate_offset_1D(color_depth) \
1769 obj_tile_pitch = (max_x / 8) * tile_size_##color_depth \
1770
1771#define obj_rotate_offset_2D(color_depth) \
1772 obj_tile_pitch = 1024 \
1773
1774#define obj_render_rotate_pixel_4bpp(combine_op, alpha_op) \
1775 if(tile_x & 0x01) \
1776 { \
1777 current_pixel = tile_ptr[tile_map_offset + \
1778 ((tile_x >> 1) & 0x03) + ((tile_y & 0x07) * obj_pitch)] >> 4; \
1779 } \
1780 else \
1781 { \
1782 current_pixel = tile_ptr[tile_map_offset + \
1783 ((tile_x >> 1) & 0x03) + ((tile_y & 0x07) * obj_pitch)] & 0x0F; \
1784 } \
1785 \
1786 tile_4bpp_draw_##combine_op(0, none, 0, alpha_op) \
1787
1788#define obj_render_rotate_pixel_8bpp(combine_op, alpha_op) \
1789 current_pixel = tile_ptr[tile_map_offset + \
1790 (tile_x & 0x07) + ((tile_y & 0x07) * obj_pitch)]; \
1791 \
1792 tile_8bpp_draw_##combine_op(0, none, 0, alpha_op) \
1793
1794#define obj_render_rotate(combine_op, color_depth, alpha_op, map_space) \
1795{ \
1796 tile_ptr = tile_base + ((obj_attribute_2 & 0x3FF) * 32); \
1797 obj_rotate_offset_##map_space(color_depth); \
1798 \
1799 source_x += (y_delta * dmx) - (middle_x * dx); \
1800 source_y += (y_delta * dmy) - (middle_x * dy); \
1801 \
1802 for(i = 0; i < obj_width; i++) \
1803 { \
1804 tile_x = (source_x >> 8); \
1805 tile_y = (source_y >> 8); \
1806 \
1807 if(((u32)tile_x < (u32)max_x) && ((u32)tile_y < (u32)max_y)) \
1808 break; \
1809 \
1810 source_x += dx; \
1811 source_y += dy; \
1812 advance_dest_ptr_##combine_op(1); \
1813 } \
1814 \
1815 for(; i < obj_width; i++) \
1816 { \
1817 tile_x = (source_x >> 8); \
1818 tile_y = (source_y >> 8); \
1819 \
1820 if(((u32)tile_x >= (u32)max_x) || ((u32)tile_y >= (u32)max_y)) \
1821 break; \
1822 \
1823 tile_map_offset = ((tile_x >> 3) * tile_size_##color_depth) + \
1824 ((tile_y >> 3) * obj_tile_pitch); \
1825 obj_render_rotate_pixel_##color_depth(combine_op, alpha_op); \
1826 \
1827 source_x += dx; \
1828 source_y += dy; \
1829 advance_dest_ptr_##combine_op(1); \
1830 } \
1831} \
1832
1833// Render the current row of an affine transformed OBJ.
1834
1835#define obj_render_affine(combine_op, color_depth, alpha_op, map_space) \
1836{ \
1837 s16 *params = oam_ram + (((obj_attribute_1 >> 9) & 0x1F) * 16); \
1838 s32 dx = params[3]; \
1839 s32 dmx = params[7]; \
1840 s32 dy = params[11]; \
1841 s32 dmy = params[15]; \
1842 s32 source_x, source_y; \
1843 s32 tile_x, tile_y; \
1844 u32 tile_offset; \
1845 u32 tile_map_offset; \
1846 s32 middle_x; \
1847 s32 middle_y; \
1848 s32 max_x = obj_width; \
1849 s32 max_y = obj_height; \
1850 s32 y_delta; \
1851 u32 obj_pitch = tile_width_##color_depth; \
1852 u32 obj_tile_pitch; \
1853 \
1854 middle_x = (obj_width / 2); \
1855 middle_y = (obj_height / 2); \
1856 \
1857 source_x = (middle_x << 8); \
1858 source_y = (middle_y << 8); \
1859 \
1860 \
1861 if(obj_attribute_0 & 0x200) \
1862 { \
1863 obj_width *= 2; \
1864 obj_height *= 2; \
1865 middle_x *= 2; \
1866 middle_y *= 2; \
1867 } \
1868 \
1869 if((s32)obj_x < (s32)start) \
1870 { \
1871 u32 x_delta = start - obj_x; \
1872 middle_x -= x_delta; \
1873 obj_width -= x_delta; \
1874 obj_x = start; \
1875 \
1876 if((s32)obj_width <= 0) \
1877 continue; \
1878 } \
1879 \
1880 if((s32)(obj_x + obj_width) >= (s32)end) \
1881 { \
1882 obj_width = end - obj_x; \
1883 \
1884 if((s32)obj_width <= 0) \
1885 continue; \
1886 } \
1887 dest_ptr = scanline + obj_x; \
1888 \
1889 y_delta = vcount - (obj_y + middle_y); \
1890 \
1891 obj_get_palette_##color_depth(); \
1892 \
1893 if(dy == 0) \
1894 { \
1895 obj_render_scale(combine_op, color_depth, alpha_op, map_space); \
1896 } \
1897 else \
1898 { \
1899 obj_render_rotate(combine_op, color_depth, alpha_op, map_space); \
1900 } \
1901} \
1902
1903u32 obj_width_table[] = { 8, 16, 32, 64, 16, 32, 32, 64, 8, 8, 16, 32 };
1904u32 obj_height_table[] = { 8, 16, 32, 64, 8, 8, 16, 32, 16, 32, 32, 64 };
1905
1906u8 obj_priority_list[5][160][128];
1907u32 obj_priority_count[5][160];
1908u32 obj_alpha_count[160];
1909
1910
1911// Build obj rendering functions
1912
1913#ifdef RENDER_COLOR16_NORMAL
1914
1915#define render_scanline_obj_extra_variables_normal(bg_type) \
1916 const u32 pixel_combine = (1 << 8) \
1917
1918#else
1919
1920#define render_scanline_obj_extra_variables_normal(bg_type) \
1921 u16 *palette = palette_ram_converted + 256 \
1922
1923#endif
1924
1925
1926#define render_scanline_obj_extra_variables_color() \
1927 u32 dest; \
1928 u32 pixel_combine = color_combine_mask(4) | (1 << 8) \
1929
1930#define render_scanline_obj_extra_variables_alpha_obj(map_space) \
1931 render_scanline_obj_extra_variables_color(); \
1932 if((pixel_combine & 0x00000200) == 0) \
1933 { \
1934 render_scanline_obj_color32_##map_space(priority, start, end, scanline); \
1935 return; \
1936 } \
1937
1938#define render_scanline_obj_extra_variables_color16(map_space) \
1939 render_scanline_obj_extra_variables_color() \
1940
1941#define render_scanline_obj_extra_variables_color32(map_space) \
1942 render_scanline_obj_extra_variables_color() \
1943
1944#define render_scanline_obj_extra_variables_partial_alpha(map_space) \
1945 render_scanline_obj_extra_variables_color(); \
1946 u32 base_pixel_combine = pixel_combine \
1947
1948#define render_scanline_obj_extra_variables_copy(type) \
1949 u32 bldcnt = io_registers[REG_BLDCNT]; \
1950 u32 dispcnt = io_registers[REG_DISPCNT]; \
1951 u32 obj_enable = io_registers[REG_WINOUT] >> 8; \
1952 render_scanline_layer_functions_##type(); \
1953 u32 copy_start, copy_end; \
1954 u16 copy_buffer[240]; \
1955 u16 *copy_ptr \
1956
1957#define render_scanline_obj_extra_variables_copy_tile(map_space) \
1958 render_scanline_obj_extra_variables_copy(tile) \
1959
1960#define render_scanline_obj_extra_variables_copy_bitmap(map_space) \
1961 render_scanline_obj_extra_variables_copy(bitmap) \
1962
1963
1964#define render_scanline_obj_main(combine_op, alpha_op, map_space) \
1965 if(obj_attribute_0 & 0x100) \
1966 { \
1967 if((obj_attribute_0 >> 13) & 0x01) \
1968 { \
1969 obj_render_affine(combine_op, 8bpp, alpha_op, map_space); \
1970 } \
1971 else \
1972 { \
1973 obj_render_affine(combine_op, 4bpp, alpha_op, map_space); \
1974 } \
1975 } \
1976 else \
1977 { \
1978 vertical_offset = vcount - obj_y; \
1979 \
1980 if((obj_attribute_1 >> 13) & 0x01) \
1981 vertical_offset = obj_height - vertical_offset - 1; \
1982 \
1983 switch(((obj_attribute_0 >> 12) & 0x02) | \
1984 ((obj_attribute_1 >> 12) & 0x01)) \
1985 { \
1986 case 0x0: \
1987 obj_render(combine_op, 4bpp, alpha_op, map_space, noflip); \
1988 break; \
1989 \
1990 case 0x1: \
1991 obj_render(combine_op, 4bpp, alpha_op, map_space, flip); \
1992 break; \
1993 \
1994 case 0x2: \
1995 obj_render(combine_op, 8bpp, alpha_op, map_space, noflip); \
1996 break; \
1997 \
1998 case 0x3: \
1999 obj_render(combine_op, 8bpp, alpha_op, map_space, flip); \
2000 break; \
2001 } \
2002 } \
2003
2004#define render_scanline_obj_no_partial_alpha(combine_op, alpha_op, map_space) \
2005 render_scanline_obj_main(combine_op, alpha_op, map_space) \
2006
2007#define render_scanline_obj_partial_alpha(combine_op, alpha_op, map_space) \
2008 if((obj_attribute_0 >> 10) & 0x03) \
2009 { \
2010 pixel_combine = 0x00000300; \
2011 render_scanline_obj_main(combine_op, alpha_obj, map_space); \
2012 } \
2013 else \
2014 { \
2015 pixel_combine = base_pixel_combine; \
2016 render_scanline_obj_main(combine_op, color32, map_space); \
2017 } \
2018
2019#define render_scanline_obj_prologue_transparent(alpha_op) \
2020
2021#define render_scanline_obj_prologue_copy_body(type) \
2022 copy_start = obj_x; \
2023 if(obj_attribute_0 & 0x200) \
2024 copy_end = obj_x + (obj_width * 2); \
2025 else \
2026 copy_end = obj_x + obj_width; \
2027 \
2028 if(copy_start < start) \
2029 copy_start = start; \
2030 if(copy_end > end) \
2031 copy_end = end; \
2032 \
2033 if((copy_start < end) && (copy_end > start)) \
2034 { \
2035 render_scanline_conditional_##type(copy_start, copy_end, copy_buffer, \
2036 obj_enable, dispcnt, bldcnt, layer_renderers); \
2037 copy_ptr = copy_buffer + copy_start; \
2038 } \
2039 else \
2040 { \
2041 continue; \
2042 } \
2043
2044#define render_scanline_obj_prologue_copy_tile() \
2045 render_scanline_obj_prologue_copy_body(tile) \
2046
2047#define render_scanline_obj_prologue_copy_bitmap() \
2048 render_scanline_obj_prologue_copy_body(bitmap) \
2049
2050#define render_scanline_obj_prologue_copy(alpha_op) \
2051 render_scanline_obj_prologue_##alpha_op() \
2052
2053
2054#define render_scanline_obj_builder(combine_op, alpha_op, map_space, \
2055 partial_alpha_op) \
2056void render_scanline_obj_##alpha_op##_##map_space(u32 priority, \
2057 u32 start, u32 end, render_scanline_dest_##alpha_op *scanline) \
2058{ \
2059 render_scanline_obj_extra_variables_##alpha_op(map_space); \
2060 s32 obj_num, i; \
2061 s32 obj_x, obj_y; \
2062 s32 obj_size; \
2063 s32 obj_width, obj_height; \
2064 u32 obj_attribute_0, obj_attribute_1, obj_attribute_2; \
2065 s32 vcount = io_registers[REG_VCOUNT]; \
2066 u32 tile_run; \
2067 u32 current_pixels; \
2068 u32 current_pixel; \
2069 u32 current_palette; \
2070 u32 vertical_offset; \
2071 u32 partial_tile_run, partial_tile_offset; \
2072 u32 pixel_run; \
2073 u16 *oam_ptr; \
2074 render_scanline_dest_##alpha_op *dest_ptr; \
2075 u8 *tile_base = vram + 0x10000; \
2076 u8 *tile_ptr; \
2077 u32 obj_count = obj_priority_count[priority][vcount]; \
2078 u8 *obj_list = obj_priority_list[priority][vcount]; \
2079 \
2080 for(obj_num = 0; obj_num < obj_count; obj_num++) \
2081 { \
2082 oam_ptr = oam_ram + (obj_list[obj_num] * 4); \
2083 obj_attribute_0 = oam_ptr[0]; \
2084 obj_attribute_1 = oam_ptr[1]; \
2085 obj_attribute_2 = oam_ptr[2]; \
2086 obj_size = ((obj_attribute_0 >> 12) & 0x0C) | (obj_attribute_1 >> 14); \
2087 \
2088 obj_x = (s32)(obj_attribute_1 << 23) >> 23; \
2089 obj_width = obj_width_table[obj_size]; \
2090 \
2091 render_scanline_obj_prologue_##combine_op(alpha_op); \
2092 \
2093 obj_y = obj_attribute_0 & 0xFF; \
2094 \
2095 if(obj_y > 160) \
2096 obj_y -= 256; \
2097 \
2098 obj_height = obj_height_table[obj_size]; \
2099 render_scanline_obj_##partial_alpha_op(combine_op, alpha_op, map_space); \
2100 } \
2101} \
2102
2103render_scanline_obj_builder(transparent, normal, 1D, no_partial_alpha);
2104render_scanline_obj_builder(transparent, normal, 2D, no_partial_alpha);
2105render_scanline_obj_builder(transparent, color16, 1D, no_partial_alpha);
2106render_scanline_obj_builder(transparent, color16, 2D, no_partial_alpha);
2107render_scanline_obj_builder(transparent, color32, 1D, no_partial_alpha);
2108render_scanline_obj_builder(transparent, color32, 2D, no_partial_alpha);
2109render_scanline_obj_builder(transparent, alpha_obj, 1D, no_partial_alpha);
2110render_scanline_obj_builder(transparent, alpha_obj, 2D, no_partial_alpha);
2111render_scanline_obj_builder(transparent, partial_alpha, 1D, partial_alpha);
2112render_scanline_obj_builder(transparent, partial_alpha, 2D, partial_alpha);
2113render_scanline_obj_builder(copy, copy_tile, 1D, no_partial_alpha);
2114render_scanline_obj_builder(copy, copy_tile, 2D, no_partial_alpha);
2115render_scanline_obj_builder(copy, copy_bitmap, 1D, no_partial_alpha);
2116render_scanline_obj_builder(copy, copy_bitmap, 2D, no_partial_alpha);
2117
2118
2119
2120void order_obj(u32 video_mode)
2121{
2122 s32 obj_num, priority, row;
2123 s32 obj_x, obj_y;
2124 s32 obj_size, obj_mode;
2125 s32 obj_width, obj_height;
2126 u32 obj_priority;
2127 u32 obj_attribute_0, obj_attribute_1, obj_attribute_2;
2128 s32 vcount = io_registers[REG_VCOUNT];
2129 u32 partial_tile_run, partial_tile_offset;
2130 u32 pixel_run;
2131 u32 current_count;
2132 u16 *oam_ptr = oam_ram + 508;
2133 u16 *dest_ptr;
2134 u8 *tile_base = vram + 0x10000;
2135 u8 *tile_ptr;
2136
2137 for(priority = 0; priority < 5; priority++)
2138 {
2139 for(row = 0; row < 160; row++)
2140 {
2141 obj_priority_count[priority][row] = 0;
2142 }
2143 }
2144
2145 for(row = 0; row < 160; row++)
2146 {
2147 obj_alpha_count[row] = 0;
2148 }
2149
2150 for(obj_num = 127; obj_num >= 0; obj_num--, oam_ptr -= 4)
2151 {
2152 obj_attribute_0 = oam_ptr[0];
2153 obj_attribute_2 = oam_ptr[2];
2154 obj_size = obj_attribute_0 & 0xC000;
2155 obj_priority = (obj_attribute_2 >> 10) & 0x03;
2156 obj_mode = (obj_attribute_0 >> 10) & 0x03;
2157
2158 if(((obj_attribute_0 & 0x0300) != 0x0200) && (obj_size != 0xC000) &&
2159 (obj_mode != 3) && ((video_mode < 3) ||
2160 ((obj_attribute_2 & 0x3FF) >= 512)))
2161 {
2162 obj_y = obj_attribute_0 & 0xFF;
2163 if(obj_y > 160)
2164 obj_y -= 256;
2165
2166 obj_attribute_1 = oam_ptr[1];
2167 obj_size = ((obj_size >> 12) & 0x0C) | (obj_attribute_1 >> 14);
2168 obj_height = obj_height_table[obj_size];
2169 obj_width = obj_width_table[obj_size];
2170
2171 if(obj_attribute_0 & 0x200)
2172 {
2173 obj_height *= 2;
2174 obj_width *= 2;
2175 }
2176
2177 if(((obj_y + obj_height) > 0) && (obj_y < 160))
2178 {
2179 obj_x = (s32)(obj_attribute_1 << 23) >> 23;
2180
2181 if(((obj_x + obj_width) > 0) && (obj_x < 240))
2182 {
2183 if(obj_y < 0)
2184 {
2185 obj_height += obj_y;
2186 obj_y = 0;
2187 }
2188
2189 if((obj_y + obj_height) >= 160)
2190 {
2191 obj_height = 160 - obj_y;
2192 }
2193
2194 if(obj_mode == 1)
2195 {
2196 for(row = obj_y; row < obj_y + obj_height; row++)
2197 {
2198 current_count = obj_priority_count[obj_priority][row];
2199 obj_priority_list[obj_priority][row][current_count] = obj_num;
2200 obj_priority_count[obj_priority][row] = current_count + 1;
2201 obj_alpha_count[row]++;
2202 }
2203 }
2204 else
2205 {
2206 if(obj_mode == 2)
2207 {
2208 obj_priority = 4;
2209 }
2210
2211 for(row = obj_y; row < obj_y + obj_height; row++)
2212 {
2213 current_count = obj_priority_count[obj_priority][row];
2214 obj_priority_list[obj_priority][row][current_count] = obj_num;
2215 obj_priority_count[obj_priority][row] = current_count + 1;
2216 }
2217 }
2218 }
2219 }
2220 }
2221 }
2222}
2223
2224u32 layer_order[16];
2225u32 layer_count;
2226
2227u32 order_layers(u32 layer_flags)
2228{
2229 s32 priority, layer_number;
2230 layer_count = 0;
2231
2232 for(priority = 3; priority >= 0; priority--)
2233 {
2234 for(layer_number = 3; layer_number >= 0; layer_number--)
2235 {
2236 if(((layer_flags >> layer_number) & 1) &&
2237 ((io_registers[REG_BG0CNT + layer_number] & 0x03) == priority))
2238 {
2239 layer_order[layer_count] = layer_number;
2240 layer_count++;
2241 }
2242 }
2243
2244 if((obj_priority_count[priority][io_registers[REG_VCOUNT]] > 0)
2245 && (layer_flags & 0x10))
2246 {
2247 layer_order[layer_count] = priority | 0x04;
2248 layer_count++;
2249 }
2250 }
2251}
2252
2253#define fill_line(_start, _end) \
2254 u32 i; \
2255 \
2256 for(i = _start; i < _end; i++) \
2257 { \
2258 dest_ptr[i] = color; \
2259 } \
2260
2261
2262#define fill_line_color_normal() \
2263 color = palette_ram_converted[color] \
2264
2265#define fill_line_color_alpha() \
2266
2267#define fill_line_color_color16() \
2268
2269#define fill_line_color_color32() \
2270
2271#define fill_line_builder(type) \
2272void fill_line_##type(u16 color, render_scanline_dest_##type *dest_ptr, \
2273 u32 start, u32 end) \
2274{ \
2275 fill_line_color_##type(); \
2276 fill_line(start, end); \
2277} \
2278
2279fill_line_builder(normal);
2280fill_line_builder(alpha);
2281fill_line_builder(color16);
2282fill_line_builder(color32);
2283
2284
2285// Alpha blend two pixels (pixel_top and pixel_bottom).
2286
2287#define blend_pixel() \
2288 pixel_bottom = palette_ram_converted[(pixel_pair >> 16) & 0x1FF]; \
2289 pixel_bottom = (pixel_bottom | (pixel_bottom << 16)) & 0x07E0F81F; \
2290 pixel_top = ((pixel_top * blend_a) + (pixel_bottom * blend_b)) >> 4 \
2291
2292
2293// Alpha blend two pixels, allowing for saturation (individual channels > 31).
2294// The operation is optimized towards saturation not occuring.
2295
2296#define blend_saturate_pixel() \
2297 pixel_bottom = palette_ram_converted[(pixel_pair >> 16) & 0x1FF]; \
2298 pixel_bottom = (pixel_bottom | (pixel_bottom << 16)) & 0x07E0F81F; \
2299 pixel_top = ((pixel_top * blend_a) + (pixel_bottom * blend_b)) >> 4; \
2300 if(pixel_top & 0x08010020) \
2301 { \
2302 if(pixel_top & 0x08000000) \
2303 pixel_top |= 0x07E00000; \
2304 \
2305 if(pixel_top & 0x00010000) \
2306 pixel_top |= 0x0000F800; \
2307 \
2308 if(pixel_top & 0x00000020) \
2309 pixel_top |= 0x0000001F; \
2310 } \
2311
2312#define brighten_pixel() \
2313 pixel_top = upper + ((pixel_top * blend) >> 4); \
2314
2315#define darken_pixel() \
2316 pixel_top = (pixel_top * blend) >> 4; \
2317
2318#define effect_condition_alpha \
2319 ((pixel_pair & 0x04000200) == 0x04000200) \
2320
2321#define effect_condition_fade(pixel_source) \
2322 ((pixel_source & 0x00000200) == 0x00000200) \
2323
2324#define expand_pixel_no_dest(expand_type, pixel_source) \
2325 pixel_top = (pixel_top | (pixel_top << 16)) & 0x07E0F81F; \
2326 expand_type##_pixel(); \
2327 pixel_top &= 0x07E0F81F; \
2328 pixel_top = (pixel_top >> 16) | pixel_top \
2329
2330#define expand_pixel(expand_type, pixel_source) \
2331 pixel_top = palette_ram_converted[pixel_source & 0x1FF]; \
2332 expand_pixel_no_dest(expand_type, pixel_source); \
2333 *screen_dest_ptr = pixel_top \
2334
2335#define expand_loop(expand_type, effect_condition, pixel_source) \
2336 screen_src_ptr += start; \
2337 screen_dest_ptr += start; \
2338 \
2339 end -= start; \
2340 \
2341 for(i = 0; i < end; i++) \
2342 { \
2343 pixel_source = *screen_src_ptr; \
2344 if(effect_condition) \
2345 { \
2346 expand_pixel(expand_type, pixel_source); \
2347 } \
2348 else \
2349 { \
2350 *screen_dest_ptr = \
2351 palette_ram_converted[pixel_source & 0x1FF]; \
2352 } \
2353 \
2354 screen_src_ptr++; \
2355 screen_dest_ptr++; \
2356 } \
2357
2358
2359#define expand_loop_partial_alpha(alpha_expand, expand_type) \
2360 screen_src_ptr += start; \
2361 screen_dest_ptr += start; \
2362 \
2363 end -= start; \
2364 \
2365 for(i = 0; i < end; i++) \
2366 { \
2367 pixel_pair = *screen_src_ptr; \
2368 if(effect_condition_fade(pixel_pair)) \
2369 { \
2370 if(effect_condition_alpha) \
2371 { \
2372 expand_pixel(alpha_expand, pixel_pair); \
2373 } \
2374 else \
2375 { \
2376 expand_pixel(expand_type, pixel_pair); \
2377 } \
2378 } \
2379 else \
2380 { \
2381 *screen_dest_ptr = \
2382 palette_ram_converted[pixel_pair & 0x1FF]; \
2383 } \
2384 \
2385 screen_src_ptr++; \
2386 screen_dest_ptr++; \
2387 } \
2388
2389
2390#define expand_partial_alpha(expand_type) \
2391 if((blend_a + blend_b) > 16) \
2392 { \
2393 expand_loop_partial_alpha(blend_saturate, expand_type); \
2394 } \
2395 else \
2396 { \
2397 expand_loop_partial_alpha(blend, expand_type); \
2398 } \
2399
2400
2401
2402// Blend top two pixels of scanline with each other.
2403
2404#ifdef RENDER_COLOR16_NORMAL
2405
2406#ifndef GP2X_BUILD
2407
2408void expand_normal(u16 *screen_ptr, u32 start, u32 end)
2409{
2410 u32 i, pixel_source;
2411 screen_ptr += start;
2412
2413 return;
2414
2415 end -= start;
2416
2417 for(i = 0; i < end; i++)
2418 {
2419 pixel_source = *screen_ptr;
2420 *screen_ptr = palette_ram_converted[pixel_source];
2421
2422 screen_ptr++;
2423 }
2424}
2425
2426#endif
2427
2428#else
2429
2430#define expand_normal(screen_ptr, start, end)
2431
2432#endif
2433
2434
2435#ifndef GP2X_BUILD
2436
2437void expand_blend(u32 *screen_src_ptr, u16 *screen_dest_ptr,
2438 u32 start, u32 end)
2439{
2440 u32 pixel_pair;
2441 u32 pixel_top, pixel_bottom;
2442 u32 bldalpha = io_registers[REG_BLDALPHA];
2443 u32 blend_a = bldalpha & 0x1F;
2444 u32 blend_b = (bldalpha >> 8) & 0x1F;
2445 u32 i;
2446
2447 if(blend_a > 16)
2448 blend_a = 16;
2449
2450 if(blend_b > 16)
2451 blend_b = 16;
2452
2453 // The individual colors can saturate over 31, this should be taken
2454 // care of in an alternate pass as it incurs a huge additional speedhit.
2455 if((blend_a + blend_b) > 16)
2456 {
2457 expand_loop(blend_saturate, effect_condition_alpha, pixel_pair);
2458 }
2459 else
2460 {
2461 expand_loop(blend, effect_condition_alpha, pixel_pair);
2462 }
2463}
2464
2465#endif
2466
2467// Blend scanline with white.
2468
2469void expand_darken(u16 *screen_src_ptr, u16 *screen_dest_ptr,
2470 u32 start, u32 end)
2471{
2472 u32 pixel_top;
2473 s32 blend = 16 - (io_registers[REG_BLDY] & 0x1F);
2474 u32 i;
2475
2476 if(blend < 0)
2477 blend = 0;
2478
2479 expand_loop(darken, effect_condition_fade(pixel_top), pixel_top);
2480}
2481
2482
2483// Blend scanline with black.
2484
2485void expand_brighten(u16 *screen_src_ptr, u16 *screen_dest_ptr,
2486 u32 start, u32 end)
2487{
2488 u32 pixel_top;
2489 u32 blend = io_registers[REG_BLDY] & 0x1F;
2490 u32 upper;
2491 u32 i;
2492
2493 if(blend > 16)
2494 blend = 16;
2495
2496 upper = ((0x07E0F81F * blend) >> 4) & 0x07E0F81F;
2497 blend = 16 - blend;
2498
2499 expand_loop(brighten, effect_condition_fade(pixel_top), pixel_top);
2500
2501}
2502
2503
2504// Expand scanline such that if both top and bottom pass it's alpha,
2505// if only top passes it's as specified, and if neither pass it's normal.
2506
2507void expand_darken_partial_alpha(u32 *screen_src_ptr, u16 *screen_dest_ptr,
2508 u32 start, u32 end)
2509{
2510 s32 blend = 16 - (io_registers[REG_BLDY] & 0x1F);
2511 u32 pixel_pair;
2512 u32 pixel_top, pixel_bottom;
2513 u32 bldalpha = io_registers[REG_BLDALPHA];
2514 u32 blend_a = bldalpha & 0x1F;
2515 u32 blend_b = (bldalpha >> 8) & 0x1F;
2516 u32 i;
2517
2518 if(blend < 0)
2519 blend = 0;
2520
2521 if(blend_a > 16)
2522 blend_a = 16;
2523
2524 if(blend_b > 16)
2525 blend_b = 16;
2526
2527 expand_partial_alpha(darken);
2528}
2529
2530
2531void expand_brighten_partial_alpha(u32 *screen_src_ptr, u16 *screen_dest_ptr,
2532 u32 start, u32 end)
2533{
2534 s32 blend = io_registers[REG_BLDY] & 0x1F;
2535 u32 pixel_pair;
2536 u32 pixel_top, pixel_bottom;
2537 u32 bldalpha = io_registers[REG_BLDALPHA];
2538 u32 blend_a = bldalpha & 0x1F;
2539 u32 blend_b = (bldalpha >> 8) & 0x1F;
2540 u32 upper;
2541 u32 i;
2542
2543 if(blend > 16)
2544 blend = 16;
2545
2546 upper = ((0x07E0F81F * blend) >> 4) & 0x07E0F81F;
2547 blend = 16 - blend;
2548
2549 if(blend_a > 16)
2550 blend_a = 16;
2551
2552 if(blend_b > 16)
2553 blend_b = 16;
2554
2555 expand_partial_alpha(brighten);
2556}
2557
2558
2559// Render an OBJ layer from start to end, depending on the type (1D or 2D)
2560// stored in dispcnt.
2561
2562#define render_obj_layer(type, dest, _start, _end) \
2563 current_layer &= ~0x04; \
2564 if(dispcnt & 0x40) \
2565 render_scanline_obj_##type##_1D(current_layer, _start, _end, dest); \
2566 else \
2567 render_scanline_obj_##type##_2D(current_layer, _start, _end, dest) \
2568
2569
2570// Render a target all the way with the background color as taken from the
2571// palette.
2572
2573#define fill_line_bg(type, dest, _start, _end) \
2574 fill_line_##type(0, dest, _start, _end) \
2575
2576
2577// Render all layers as they appear in the layer order.
2578
2579#define render_layers(tile_alpha, obj_alpha, dest) \
2580{ \
2581 current_layer = layer_order[0]; \
2582 if(current_layer & 0x04) \
2583 { \
2584 /* If the first one is OBJ render the background then render it. */ \
2585 fill_line_bg(tile_alpha, dest, 0, 240); \
2586 render_obj_layer(obj_alpha, dest, 0, 240); \
2587 } \
2588 else \
2589 { \
2590 /* Otherwise render a base layer. */ \
2591 layer_renderers[current_layer].tile_alpha##_render_base(current_layer, \
2592 0, 240, dest); \
2593 } \
2594 \
2595 /* Render the rest of the layers. */ \
2596 for(layer_order_pos = 1; layer_order_pos < layer_count; layer_order_pos++) \
2597 { \
2598 current_layer = layer_order[layer_order_pos]; \
2599 if(current_layer & 0x04) \
2600 { \
2601 render_obj_layer(obj_alpha, dest, 0, 240); \
2602 } \
2603 else \
2604 { \
2605 layer_renderers[current_layer]. \
2606 tile_alpha##_render_transparent(current_layer, 0, 240, dest); \
2607 } \
2608 } \
2609} \
2610
2611#define render_condition_alpha \
2612 (((io_registers[REG_BLDALPHA] & 0x1F1F) != 0x001F) && \
2613 ((io_registers[REG_BLDCNT] & 0x3F) != 0) && \
2614 ((io_registers[REG_BLDCNT] & 0x3F00) != 0)) \
2615
2616#define render_condition_fade \
2617 (((io_registers[REG_BLDY] & 0x1F) != 0) && \
2618 ((io_registers[REG_BLDCNT] & 0x3F) != 0)) \
2619
2620#define render_layers_color_effect(renderer, layer_condition, \
2621 alpha_condition, fade_condition, _start, _end) \
2622{ \
2623 if(layer_condition) \
2624 { \
2625 if(obj_alpha_count[io_registers[REG_VCOUNT]] > 0) \
2626 { \
2627 /* Render based on special effects mode. */ \
2628 u32 screen_buffer[240]; \
2629 switch((bldcnt >> 6) & 0x03) \
2630 { \
2631 /* Alpha blend */ \
2632 case 0x01: \
2633 { \
2634 if(alpha_condition) \
2635 { \
2636 renderer(alpha, alpha_obj, screen_buffer); \
2637 expand_blend(screen_buffer, scanline, _start, _end); \
2638 return; \
2639 } \
2640 break; \
2641 } \
2642 \
2643 /* Fade to white */ \
2644 case 0x02: \
2645 { \
2646 if(fade_condition) \
2647 { \
2648 renderer(color32, partial_alpha, screen_buffer); \
2649 expand_brighten_partial_alpha(screen_buffer, scanline, \
2650 _start, _end); \
2651 return; \
2652 } \
2653 break; \
2654 } \
2655 \
2656 /* Fade to black */ \
2657 case 0x03: \
2658 { \
2659 if(fade_condition) \
2660 { \
2661 renderer(color32, partial_alpha, screen_buffer); \
2662 expand_darken_partial_alpha(screen_buffer, scanline, \
2663 _start, _end); \
2664 return; \
2665 } \
2666 break; \
2667 } \
2668 } \
2669 \
2670 renderer(color32, partial_alpha, screen_buffer); \
2671 expand_blend(screen_buffer, scanline, _start, _end); \
2672 } \
2673 else \
2674 { \
2675 /* Render based on special effects mode. */ \
2676 switch((bldcnt >> 6) & 0x03) \
2677 { \
2678 /* Alpha blend */ \
2679 case 0x01: \
2680 { \
2681 if(alpha_condition) \
2682 { \
2683 u32 screen_buffer[240]; \
2684 renderer(alpha, alpha_obj, screen_buffer); \
2685 expand_blend(screen_buffer, scanline, _start, _end); \
2686 return; \
2687 } \
2688 break; \
2689 } \
2690 \
2691 /* Fade to white */ \
2692 case 0x02: \
2693 { \
2694 if(fade_condition) \
2695 { \
2696 renderer(color16, color16, scanline); \
2697 expand_brighten(scanline, scanline, _start, _end); \
2698 return; \
2699 } \
2700 break; \
2701 } \
2702 \
2703 /* Fade to black */ \
2704 case 0x03: \
2705 { \
2706 if(fade_condition) \
2707 { \
2708 renderer(color16, color16, scanline); \
2709 expand_darken(scanline, scanline, _start, _end); \
2710 return; \
2711 } \
2712 break; \
2713 } \
2714 } \
2715 \
2716 renderer(normal, normal, scanline); \
2717 expand_normal(scanline, _start, _end); \
2718 } \
2719 } \
2720 else \
2721 { \
2722 u32 pixel_top = palette_ram_converted[0]; \
2723 switch((bldcnt >> 6) & 0x03) \
2724 { \
2725 /* Fade to white */ \
2726 case 0x02: \
2727 { \
2728 if(color_combine_mask_a(5)) \
2729 { \
2730 u32 blend = io_registers[REG_BLDY] & 0x1F; \
2731 u32 upper; \
2732 \
2733 if(blend > 16) \
2734 blend = 16; \
2735 \
2736 upper = ((0x07E0F81F * blend) >> 4) & 0x07E0F81F; \
2737 blend = 16 - blend; \
2738 \
2739 expand_pixel_no_dest(brighten, pixel_top); \
2740 } \
2741 break; \
2742 } \
2743 \
2744 /* Fade to black */ \
2745 case 0x03: \
2746 { \
2747 if(color_combine_mask_a(5)) \
2748 { \
2749 s32 blend = 16 - (io_registers[REG_BLDY] & 0x1F); \
2750 \
2751 if(blend < 0) \
2752 blend = 0; \
2753 \
2754 expand_pixel_no_dest(darken, pixel_top); \
2755 } \
2756 break; \
2757 } \
2758 } \
2759 fill_line_color16(pixel_top, scanline, _start, _end); \
2760 } \
2761} \
2762
2763
2764// Renders an entire scanline from 0 to 240, based on current color mode.
2765
2766void render_scanline_tile(u16 *scanline, u32 dispcnt)
2767{
2768 u32 current_layer;
2769 u32 layer_order_pos;
2770 u32 bldcnt = io_registers[REG_BLDCNT];
2771 render_scanline_layer_functions_tile();
2772
2773 render_layers_color_effect(render_layers, layer_count,
2774 render_condition_alpha, render_condition_fade, 0, 240);
2775}
2776
2777void render_scanline_bitmap(u16 *scanline, u32 dispcnt)
2778{
2779 u32 bldcnt = io_registers[REG_BLDCNT];
2780 render_scanline_layer_functions_bitmap();
2781 u32 current_layer;
2782 u32 layer_order_pos;
2783
2784 fill_line_bg(normal, scanline, 0, 240);
2785
2786 for(layer_order_pos = 0; layer_order_pos < layer_count; layer_order_pos++)
2787 {
2788 current_layer = layer_order[layer_order_pos];
2789 if(current_layer & 0x04)
2790 {
2791 render_obj_layer(normal, scanline, 0, 240);
2792 }
2793 else
2794 {
2795 layer_renderers->normal_render(0, 240, scanline);
2796 }
2797 }
2798}
2799
2800// Render layers from start to end based on if they're allowed in the
2801// enable flags.
2802
2803#define render_layers_conditional(tile_alpha, obj_alpha, dest) \
2804{ \
2805 __label__ skip; \
2806 current_layer = layer_order[layer_order_pos]; \
2807 /* If OBJ aren't enabled skip to the first non-OBJ layer */ \
2808 if(!(enable_flags & 0x10)) \
2809 { \
2810 while((current_layer & 0x04) || !((1 << current_layer) & enable_flags)) \
2811 { \
2812 layer_order_pos++; \
2813 current_layer = layer_order[layer_order_pos]; \
2814 \
2815 /* Oops, ran out of layers, render the background. */ \
2816 if(layer_order_pos == layer_count) \
2817 { \
2818 fill_line_bg(tile_alpha, dest, start, end); \
2819 goto skip; \
2820 } \
2821 } \
2822 \
2823 /* Render the first valid layer */ \
2824 layer_renderers[current_layer].tile_alpha##_render_base(current_layer, \
2825 start, end, dest); \
2826 \
2827 layer_order_pos++; \
2828 \
2829 /* Render the rest of the layers if active, skipping OBJ ones. */ \
2830 for(; layer_order_pos < layer_count; layer_order_pos++) \
2831 { \
2832 current_layer = layer_order[layer_order_pos]; \
2833 if(!(current_layer & 0x04) && ((1 << current_layer) & enable_flags)) \
2834 { \
2835 layer_renderers[current_layer]. \
2836 tile_alpha##_render_transparent(current_layer, start, end, dest); \
2837 } \
2838 } \
2839 } \
2840 else \
2841 { \
2842 /* Find the first active layer, skip all of the inactive ones */ \
2843 while(!((current_layer & 0x04) || ((1 << current_layer) & enable_flags))) \
2844 { \
2845 layer_order_pos++; \
2846 current_layer = layer_order[layer_order_pos]; \
2847 \
2848 /* Oops, ran out of layers, render the background. */ \
2849 if(layer_order_pos == layer_count) \
2850 { \
2851 fill_line_bg(tile_alpha, dest, start, end); \
2852 goto skip; \
2853 } \
2854 } \
2855 \
2856 if(current_layer & 0x04) \
2857 { \
2858 /* If the first one is OBJ render the background then render it. */ \
2859 fill_line_bg(tile_alpha, dest, start, end); \
2860 render_obj_layer(obj_alpha, dest, start, end); \
2861 } \
2862 else \
2863 { \
2864 /* Otherwise render a base layer. */ \
2865 layer_renderers[current_layer]. \
2866 tile_alpha##_render_base(current_layer, start, end, dest); \
2867 } \
2868 \
2869 layer_order_pos++; \
2870 \
2871 /* Render the rest of the layers. */ \
2872 for(; layer_order_pos < layer_count; layer_order_pos++) \
2873 { \
2874 current_layer = layer_order[layer_order_pos]; \
2875 if(current_layer & 0x04) \
2876 { \
2877 render_obj_layer(obj_alpha, dest, start, end); \
2878 } \
2879 else \
2880 { \
2881 if(enable_flags & (1 << current_layer)) \
2882 { \
2883 layer_renderers[current_layer]. \
2884 tile_alpha##_render_transparent(current_layer, start, end, dest); \
2885 } \
2886 } \
2887 } \
2888 } \
2889 \
2890 skip: \
2891 ; \
2892} \
2893
2894
2895// Render all of the BG and OBJ in a tiled scanline from start to end ONLY if
2896// enable_flag allows that layer/OBJ. Also conditionally render color effects.
2897
2898void render_scanline_conditional_tile(u32 start, u32 end, u16 *scanline,
2899 u32 enable_flags, u32 dispcnt, u32 bldcnt, tile_layer_render_struct
2900 *layer_renderers)
2901{
2902 u32 current_layer;
2903 u32 layer_order_pos = 0;
2904
2905 render_layers_color_effect(render_layers_conditional,
2906 (layer_count && (enable_flags & 0x1F)),
2907 ((enable_flags & 0x20) && render_condition_alpha),
2908 ((enable_flags & 0x20) && render_condition_fade), start, end);
2909}
2910
2911
2912// Render the BG and OBJ in a bitmap scanline from start to end ONLY if
2913// enable_flag allows that layer/OBJ. Also conditionally render color effects.
2914
2915void render_scanline_conditional_bitmap(u32 start, u32 end, u16 *scanline,
2916 u32 enable_flags, u32 dispcnt, u32 bldcnt, bitmap_layer_render_struct
2917 *layer_renderers)
2918{
2919 u32 current_layer;
2920 u32 layer_order_pos;
2921
2922 fill_line_bg(normal, scanline, start, end);
2923
2924 for(layer_order_pos = 0; layer_order_pos < layer_count; layer_order_pos++)
2925 {
2926 current_layer = layer_order[layer_order_pos];
2927 if(current_layer & 0x04)
2928 {
2929 if(enable_flags & 0x10)
2930 {
2931 render_obj_layer(normal, scanline, start, end);
2932 }
2933 }
2934 else
2935 {
2936 if(enable_flags & 0x04)
2937 layer_renderers->normal_render(start, end, scanline);
2938 }
2939 }
2940}
2941
2942
2943#define window_x_coords(window_number) \
2944 window_##window_number##_x1 = \
2945 io_registers[REG_WIN##window_number##H] >> 8; \
2946 window_##window_number##_x2 = \
2947 io_registers[REG_WIN##window_number##H] & 0xFF; \
2948 window_##window_number##_enable = \
2949 (winin >> (window_number * 8)) & 0x3F; \
2950 \
2951 if(window_##window_number##_x1 > 240) \
2952 window_##window_number##_x1 = 240; \
2953 \
2954 if(window_##window_number##_x2 > 240) \
2955 window_##window_number##_x2 = 240 \
2956
2957#define window_coords(window_number) \
2958 u32 window_##window_number##_x1, window_##window_number##_x2; \
2959 u32 window_##window_number##_y1, window_##window_number##_y2; \
2960 u32 window_##window_number##_enable; \
2961 window_##window_number##_y1 = \
2962 io_registers[REG_WIN##window_number##V] >> 8; \
2963 window_##window_number##_y2 = \
2964 io_registers[REG_WIN##window_number##V] & 0xFF; \
2965 \
2966 if(window_##window_number##_y1 > window_##window_number##_y2) \
2967 { \
2968 if((((vcount <= window_##window_number##_y2) || \
2969 (vcount > window_##window_number##_y1)) || \
2970 (window_##window_number##_y2 > 227)) && \
2971 (window_##window_number##_y1 <= 227)) \
2972 { \
2973 window_x_coords(window_number); \
2974 } \
2975 else \
2976 { \
2977 window_##window_number##_x1 = 240; \
2978 window_##window_number##_x2 = 240; \
2979 } \
2980 } \
2981 else \
2982 { \
2983 if((((vcount >= window_##window_number##_y1) && \
2984 (vcount < window_##window_number##_y2)) || \
2985 (window_##window_number##_y2 > 227)) && \
2986 (window_##window_number##_y1 <= 227)) \
2987 { \
2988 window_x_coords(window_number); \
2989 } \
2990 else \
2991 { \
2992 window_##window_number##_x1 = 240; \
2993 window_##window_number##_x2 = 240; \
2994 } \
2995 } \
2996
2997#define render_window_segment(type, start, end, window_type) \
2998 if(start != end) \
2999 { \
3000 render_scanline_conditional_##type(start, end, scanline, \
3001 window_##window_type##_enable, dispcnt, bldcnt, layer_renderers); \
3002 } \
3003
3004#define render_window_segment_unequal(type, start, end, window_type) \
3005 render_scanline_conditional_##type(start, end, scanline, \
3006 window_##window_type##_enable, dispcnt, bldcnt, layer_renderers) \
3007
3008#define render_window_segment_clip(type, clip_start, clip_end, start, end, \
3009 window_type) \
3010{ \
3011 if(start != end) \
3012 { \
3013 if(start < clip_start) \
3014 { \
3015 if(end > clip_start) \
3016 { \
3017 if(end > clip_end) \
3018 { \
3019 render_window_segment_unequal(type, clip_start, clip_end, \
3020 window_type); \
3021 } \
3022 else \
3023 { \
3024 render_window_segment_unequal(type, clip_start, end, window_type); \
3025 } \
3026 } \
3027 } \
3028 else \
3029 \
3030 if(end > clip_end) \
3031 { \
3032 if(start < clip_end) \
3033 render_window_segment_unequal(type, start, clip_end, window_type); \
3034 } \
3035 else \
3036 { \
3037 render_window_segment_unequal(type, start, end, window_type); \
3038 } \
3039 } \
3040} \
3041
3042#define render_window_clip_1(type, start, end) \
3043 if(window_1_x1 != 240) \
3044 { \
3045 if(window_1_x1 > window_1_x2) \
3046 { \
3047 render_window_segment_clip(type, start, end, 0, window_1_x2, 1); \
3048 render_window_segment_clip(type, start, end, window_1_x2, window_1_x1, \
3049 out); \
3050 render_window_segment_clip(type, start, end, window_1_x1, 240, 1); \
3051 } \
3052 else \
3053 { \
3054 render_window_segment_clip(type, start, end, 0, window_1_x1, out); \
3055 render_window_segment_clip(type, start, end, window_1_x1, window_1_x2, \
3056 1); \
3057 render_window_segment_clip(type, start, end, window_1_x2, 240, out); \
3058 } \
3059 } \
3060 else \
3061 { \
3062 render_window_segment(type, start, end, out); \
3063 } \
3064
3065#define render_window_clip_obj(type, start, end); \
3066 render_window_segment(type, start, end, out); \
3067 if(dispcnt & 0x40) \
3068 render_scanline_obj_copy_##type##_1D(4, start, end, scanline); \
3069 else \
3070 render_scanline_obj_copy_##type##_2D(4, start, end, scanline) \
3071
3072
3073#define render_window_segment_clip_obj(type, clip_start, clip_end, start, \
3074 end) \
3075{ \
3076 if(start != end) \
3077 { \
3078 if(start < clip_start) \
3079 { \
3080 if(end > clip_start) \
3081 { \
3082 if(end > clip_end) \
3083 { \
3084 render_window_clip_obj(type, clip_start, clip_end); \
3085 } \
3086 else \
3087 { \
3088 render_window_clip_obj(type, clip_start, end); \
3089 } \
3090 } \
3091 } \
3092 else \
3093 \
3094 if(end > clip_end) \
3095 { \
3096 if(start < clip_end) \
3097 { \
3098 render_window_clip_obj(type, start, clip_end); \
3099 } \
3100 } \
3101 else \
3102 { \
3103 render_window_clip_obj(type, start, end); \
3104 } \
3105 } \
3106} \
3107
3108
3109#define render_window_clip_1_obj(type, start, end) \
3110 if(window_1_x1 != 240) \
3111 { \
3112 if(window_1_x1 > window_1_x2) \
3113 { \
3114 render_window_segment_clip(type, start, end, 0, window_1_x2, 1); \
3115 render_window_segment_clip_obj(type, start, end, window_1_x2, \
3116 window_1_x1); \
3117 render_window_segment_clip(type, start, end, window_1_x1, 240, 1); \
3118 } \
3119 else \
3120 { \
3121 render_window_segment_clip_obj(type, start, end, 0, window_1_x1); \
3122 render_window_segment_clip(type, start, end, window_1_x1, window_1_x2, \
3123 1); \
3124 render_window_segment_clip_obj(type, start, end, window_1_x2, 240); \
3125 } \
3126 } \
3127 else \
3128 { \
3129 render_window_clip_obj(type, start, end); \
3130 } \
3131
3132
3133
3134#define render_window_single(type, window_number) \
3135 u32 winin = io_registers[REG_WININ]; \
3136 window_coords(window_number); \
3137 if(window_##window_number##_x1 > window_##window_number##_x2) \
3138 { \
3139 render_window_segment(type, 0, window_##window_number##_x2, \
3140 window_number); \
3141 render_window_segment(type, window_##window_number##_x2, \
3142 window_##window_number##_x1, out); \
3143 render_window_segment(type, window_##window_number##_x1, 240, \
3144 window_number); \
3145 } \
3146 else \
3147 { \
3148 render_window_segment(type, 0, window_##window_number##_x1, out); \
3149 render_window_segment(type, window_##window_number##_x1, \
3150 window_##window_number##_x2, window_number); \
3151 render_window_segment(type, window_##window_number##_x2, 240, out); \
3152 } \
3153
3154#define render_window_multi(type, front, back) \
3155 if(window_##front##_x1 > window_##front##_x2) \
3156 { \
3157 render_window_segment(type, 0, window_##front##_x2, front); \
3158 render_window_clip_##back(type, window_##front##_x2, \
3159 window_##front##_x1); \
3160 render_window_segment(type, window_##front##_x1, 240, front); \
3161 } \
3162 else \
3163 { \
3164 render_window_clip_##back(type, 0, window_##front##_x1); \
3165 render_window_segment(type, window_##front##_x1, window_##front##_x2, \
3166 front); \
3167 render_window_clip_##back(type, window_##front##_x2, 240); \
3168 } \
3169
3170#define render_scanline_window_builder(type) \
3171void render_scanline_window_##type(u16 *scanline, u32 dispcnt) \
3172{ \
3173 u32 vcount = io_registers[REG_VCOUNT]; \
3174 u32 winout = io_registers[REG_WINOUT]; \
3175 u32 bldcnt = io_registers[REG_BLDCNT]; \
3176 u32 window_out_enable = winout & 0x3F; \
3177 \
3178 render_scanline_layer_functions_##type(); \
3179 \
3180 switch(dispcnt >> 13) \
3181 { \
3182 /* Just window 0 */ \
3183 case 0x01: \
3184 { \
3185 render_window_single(type, 0); \
3186 break; \
3187 } \
3188 \
3189 /* Just window 1 */ \
3190 case 0x02: \
3191 { \
3192 render_window_single(type, 1); \
3193 break; \
3194 } \
3195 \
3196 /* Windows 1 and 2 */ \
3197 case 0x03: \
3198 { \
3199 u32 winin = io_registers[REG_WININ]; \
3200 window_coords(0); \
3201 window_coords(1); \
3202 render_window_multi(type, 0, 1); \
3203 break; \
3204 } \
3205 \
3206 /* Just OBJ windows */ \
3207 case 0x04: \
3208 { \
3209 u32 window_obj_enable = winout >> 8; \
3210 render_window_clip_obj(type, 0, 240); \
3211 break; \
3212 } \
3213 \
3214 /* Window 0 and OBJ window */ \
3215 case 0x05: \
3216 { \
3217 u32 window_obj_enable = winout >> 8; \
3218 u32 winin = io_registers[REG_WININ]; \
3219 window_coords(0); \
3220 render_window_multi(type, 0, obj); \
3221 break; \
3222 } \
3223 \
3224 /* Window 1 and OBJ window */ \
3225 case 0x06: \
3226 { \
3227 u32 window_obj_enable = winout >> 8; \
3228 u32 winin = io_registers[REG_WININ]; \
3229 window_coords(1); \
3230 render_window_multi(type, 1, obj); \
3231 break; \
3232 } \
3233 \
3234 /* Window 0, 1, and OBJ window */ \
3235 case 0x07: \
3236 { \
3237 u32 window_obj_enable = winout >> 8; \
3238 u32 winin = io_registers[REG_WININ]; \
3239 window_coords(0); \
3240 window_coords(1); \
3241 render_window_multi(type, 0, 1_obj); \
3242 break; \
3243 } \
3244 } \
3245} \
3246
3247render_scanline_window_builder(tile);
3248render_scanline_window_builder(bitmap);
3249
3250u32 active_layers[6] = { 0x1F, 0x17, 0x1C, 0x14, 0x14, 0x14 };
3251
3252u32 small_resolution_width = 240;
3253u32 small_resolution_height = 160;
3254u32 resolution_width, resolution_height;
3255
3256void update_scanline()
3257{
3258 u32 pitch = get_screen_pitch();
3259 u32 dispcnt = io_registers[REG_DISPCNT];
3260 u32 display_flags = (dispcnt >> 8) & 0x1F;
3261 u32 vcount = io_registers[REG_VCOUNT];
3262 u16 *screen_offset = get_screen_pixels() + (vcount * pitch);
3263 u32 video_mode = dispcnt & 0x07;
3264 u32 current_layer;
3265
3266 // If OAM has been modified since the last scanline has been updated then
3267 // reorder and reprofile the OBJ lists.
3268 if(oam_update)
3269 {
3270 order_obj(video_mode);
3271 oam_update = 0;
3272 }
3273
3274 order_layers((dispcnt >> 8) & active_layers[video_mode]);
3275
3276 if(skip_next_frame)
3277 return;
3278
42c81190 3279#ifdef WIZ_BUILD
3280 if (screen_scale == unscaled_rot || screen_scale == scaled_aspect_rot)
3281 {
3282 if (rot_line_count == rot_lines_total)
3283 {
3284 rot_line_count = 0;
3285 if (vcount - rot_lines_total < FONT_HEIGHT && rot_msg_buff[0])
3286 {
3287 print_string_ext(rot_msg_buff, 0xFFFF, 0x0000, 0, 0,
3288 rot_buffer, 240, 0, vcount - rot_lines_total, rot_lines_total);
3289 if (vcount >= FONT_HEIGHT)
3290 rot_msg_buff[0] = 0;
3291 }
3292 if (screen_scale == unscaled_rot)
3293 do_rotated_blit(gpsp_gp2x_screen, rot_buffer, vcount);
3294 else
3295 upscale_aspect_row(gpsp_gp2x_screen, rot_buffer, vcount/3);
3296 }
3297 screen_offset = &rot_buffer[rot_line_count++ * 240];
3298 }
3299#endif
3300
2823a4c8 3301 // If the screen is in in forced blank draw pure white.
3302 if(dispcnt & 0x80)
3303 {
3304 fill_line_color16(0xFFFF, screen_offset, 0, 240);
3305 }
3306 else
3307 {
3308 if(video_mode < 3)
3309 {
3310 if(dispcnt >> 13)
3311 {
3312 render_scanline_window_tile(screen_offset, dispcnt);
3313 }
3314 else
3315 {
3316 render_scanline_tile(screen_offset, dispcnt);
3317 }
3318 }
3319 else
3320 {
3321 if(dispcnt >> 13)
3322 render_scanline_window_bitmap(screen_offset, dispcnt);
3323 else
3324 render_scanline_bitmap(screen_offset, dispcnt);
3325 }
3326 }
3327
3328 affine_reference_x[0] += (s16)io_registers[REG_BG2PB];
3329 affine_reference_y[0] += (s16)io_registers[REG_BG2PD];
3330 affine_reference_x[1] += (s16)io_registers[REG_BG3PB];
3331 affine_reference_y[1] += (s16)io_registers[REG_BG3PD];
3332}
3333
3334#ifdef PSP_BUILD
3335
3336u32 screen_flip = 0;
3337
3338void flip_screen()
3339{
3340 if(video_direct == 0)
3341 {
3342 u32 *old_ge_cmd_ptr = ge_cmd_ptr;
3343 sceKernelDcacheWritebackAll();
3344
3345 // Render the current screen
3346 ge_cmd_ptr = ge_cmd + 2;
3347 GE_CMD(TBP0, ((u32)screen_pixels & 0x00FFFFFF));
3348 GE_CMD(TBW0, (((u32)screen_pixels & 0xFF000000) >> 8) |
3349 GBA_SCREEN_WIDTH);
3350 ge_cmd_ptr = old_ge_cmd_ptr;
3351
3352 sceGeListEnQueue(ge_cmd, ge_cmd_ptr, gecbid, NULL);
3353
3354 // Flip to the next screen
3355 screen_flip ^= 1;
3356
3357 if(screen_flip)
3358 screen_pixels = screen_texture + (240 * 160 * 2);
3359 else
3360 screen_pixels = screen_texture;
3361 }
3362}
3363
4cdfc0bc 3364#elif defined(WIZ_BUILD)
3365
3366void flip_screen()
3367{
42c81190 3368 if((resolution_width == small_resolution_width) &&
788343bb 3369 (resolution_height == small_resolution_height))
3370 {
42c81190 3371 switch(screen_scale)
3372 {
3373 case scaled_aspect:
3374 upscale_aspect(gpsp_gp2x_screen, screen_pixels);
3375 break;
3376 case unscaled_rot:
3377 do_rotated_blit(gpsp_gp2x_screen, rot_buffer, 160);
3378 rot_line_count = 0;
3379 goto no_clean;
3380 case scaled_aspect_rot:
3381 rot_line_count = 0;
3382 goto no_clean;
3383 }
788343bb 3384 }
42c81190 3385 warm_cache_op_all(WOP_D_CLEAN);
3386
3387no_clean:
4cdfc0bc 3388 pollux_video_flip();
3389 screen_pixels = (u16 *)gpsp_gp2x_screen + screen_offset;
3390}
3391
2823a4c8 3392#else
3393
3394#define integer_scale_copy_2() \
3395 current_scanline_ptr[x2] = current_pixel; \
3396 current_scanline_ptr[x2 - 1] = current_pixel; \
3397 x2 -= 2 \
3398
3399#define integer_scale_copy_3() \
3400 current_scanline_ptr[x2] = current_pixel; \
3401 current_scanline_ptr[x2 - 1] = current_pixel; \
3402 current_scanline_ptr[x2 - 2] = current_pixel; \
3403 x2 -= 3 \
3404
3405#define integer_scale_copy_4() \
3406 current_scanline_ptr[x2] = current_pixel; \
3407 current_scanline_ptr[x2 - 1] = current_pixel; \
3408 current_scanline_ptr[x2 - 2] = current_pixel; \
3409 current_scanline_ptr[x2 - 3] = current_pixel; \
3410 x2 -= 4 \
3411
3412#define integer_scale_horizontal(scale_factor) \
3413 for(y = 0; y < 160; y++) \
3414 { \
3415 for(x = 239, x2 = (240 * video_scale) - 1; x >= 0; x--) \
3416 { \
3417 current_pixel = current_scanline_ptr[x]; \
3418 integer_scale_copy_##scale_factor(); \
3419 current_scanline_ptr[x2] = current_scanline_ptr[x]; \
3420 current_scanline_ptr[x2 - 1] = current_scanline_ptr[x]; \
3421 current_scanline_ptr[x2 - 2] = current_scanline_ptr[x]; \
3422 } \
3423 current_scanline_ptr += pitch; \
3424 } \
3425
3426void flip_screen()
3427{
3428 if((video_scale != 1) && (current_scale != unscaled))
3429 {
3430 s32 x, y;
3431 s32 x2, y2;
3432 u16 *screen_ptr = get_screen_pixels();
3433 u16 *current_scanline_ptr = screen_ptr;
3434 u32 pitch = get_screen_pitch();
3435 u16 current_pixel;
3436 u32 i;
3437
3438 switch(video_scale)
3439 {
3440 case 2:
3441 integer_scale_horizontal(2);
3442 break;
3443
3444 case 3:
3445 integer_scale_horizontal(3);
3446 break;
3447
3448 default:
3449 case 4:
3450 integer_scale_horizontal(4);
3451 break;
3452
3453 }
3454
3455 for(y = 159, y2 = (160 * video_scale) - 1; y >= 0; y--)
3456 {
3457 for(i = 0; i < video_scale; i++)
3458 {
3459 memcpy(screen_ptr + (y2 * pitch),
3460 screen_ptr + (y * pitch), 480 * video_scale);
3461 y2--;
3462 }
3463 }
3464 }
3465#ifdef GP2X_BUILD
3466 {
3467 if((screen_scale == unscaled) &&
3468 (resolution_width == small_resolution_width) &&
3469 (resolution_height == small_resolution_height))
3470 {
3471 SDL_Rect srect = {0, 0, 240, 160};
3472 SDL_Rect drect = {40, 40, 240, 160};
3473 SDL_BlitSurface(screen, &srect, hw_screen, &drect);
3474 }
90206450 3475 else if((screen_scale == scaled_aspect) &&
3476 (resolution_width == small_resolution_width) &&
3477 (resolution_height == small_resolution_height))
3478 {
3479 SDL_Rect drect = {0, 10, 0, 0};
3480 SDL_BlitSurface(screen, NULL, hw_screen, &drect);
3481 }
2823a4c8 3482 else
3483 {
3484 SDL_BlitSurface(screen, NULL, hw_screen, NULL);
3485 }
638cc626 3486 warm_cache_op_all(WOP_D_CLEAN);
2823a4c8 3487 }
3488#else
3489 SDL_Flip(screen);
3490#endif
3491}
3492
3493#endif
3494
3495u32 frame_to_render;
3496
3497void update_screen()
3498{
3499 if(!skip_next_frame)
3500 flip_screen();
3501}
3502
3503#ifdef PSP_BUILD
3504
3505void init_video()
3506{
3507 sceDisplaySetMode(0, PSP_SCREEN_WIDTH, PSP_SCREEN_HEIGHT);
3508
3509 sceDisplayWaitVblankStart();
3510 sceDisplaySetFrameBuf((void*)psp_gu_vram_base, PSP_LINE_SIZE,
3511 PSP_DISPLAY_PIXEL_FORMAT_565, PSP_DISPLAY_SETBUF_NEXTFRAME);
3512
3513 sceGuInit();
3514
3515 sceGuStart(GU_DIRECT, display_list);
3516 sceGuDrawBuffer(GU_PSM_5650, (void*)0, PSP_LINE_SIZE);
3517 sceGuDispBuffer(PSP_SCREEN_WIDTH, PSP_SCREEN_HEIGHT,
3518 (void*)0, PSP_LINE_SIZE);
3519 sceGuClear(GU_COLOR_BUFFER_BIT);
3520
3521 sceGuOffset(2048 - (PSP_SCREEN_WIDTH / 2), 2048 - (PSP_SCREEN_HEIGHT / 2));
3522 sceGuViewport(2048, 2048, PSP_SCREEN_WIDTH, PSP_SCREEN_HEIGHT);
3523
3524 sceGuScissor(0, 0, PSP_SCREEN_WIDTH + 1, PSP_SCREEN_HEIGHT + 1);
3525 sceGuEnable(GU_SCISSOR_TEST);
3526 sceGuTexMode(GU_PSM_5650, 0, 0, GU_FALSE);
3527 sceGuTexFunc(GU_TFX_REPLACE, GU_TCC_RGBA);
3528 sceGuTexFilter(GU_LINEAR, GU_LINEAR);
3529 sceGuEnable(GU_TEXTURE_2D);
3530
3531 sceGuFrontFace(GU_CW);
3532 sceGuDisable(GU_BLEND);
3533
3534 sceGuFinish();
3535 sceGuSync(0, 0);
3536
3537 sceDisplayWaitVblankStart();
3538 sceGuDisplay(GU_TRUE);
3539
3540 PspGeCallbackData gecb;
3541 gecb.signal_func = NULL;
3542 gecb.signal_arg = NULL;
3543 gecb.finish_func = Ge_Finish_Callback;
3544 gecb.finish_arg = NULL;
3545 gecbid = sceGeSetCallback(&gecb);
3546
3547 screen_vertex[0] = 0 + 0.5;
3548 screen_vertex[1] = 0 + 0.5;
3549 screen_vertex[2] = 0 + 0.5;
3550 screen_vertex[3] = 0 + 0.5;
3551 screen_vertex[4] = 0;
3552 screen_vertex[5] = GBA_SCREEN_WIDTH - 0.5;
3553 screen_vertex[6] = GBA_SCREEN_HEIGHT - 0.5;
3554 screen_vertex[7] = PSP_SCREEN_WIDTH - 0.5;
3555 screen_vertex[8] = PSP_SCREEN_HEIGHT - 0.5;
3556 screen_vertex[9] = 0;
3557
3558 // Set framebuffer to PSP VRAM
3559 GE_CMD(FBP, ((u32)psp_gu_vram_base & 0x00FFFFFF));
3560 GE_CMD(FBW, (((u32)psp_gu_vram_base & 0xFF000000) >> 8) | PSP_LINE_SIZE);
3561 // Set texture 0 to the screen texture
3562 GE_CMD(TBP0, ((u32)screen_texture & 0x00FFFFFF));
3563 GE_CMD(TBW0, (((u32)screen_texture & 0xFF000000) >> 8) | GBA_SCREEN_WIDTH);
3564 // Set the texture size to 256 by 256 (2^8 by 2^8)
3565 GE_CMD(TSIZE0, (8 << 8) | 8);
3566 // Flush the texture cache
3567 GE_CMD(TFLUSH, 0);
3568 // Use 2D coordinates, no indeces, no weights, 32bit float positions,
3569 // 32bit float texture coordinates
3570 GE_CMD(VTYPE, (1 << 23) | (0 << 11) | (0 << 9) |
3571 (3 << 7) | (0 << 5) | (0 << 2) | 3);
3572 // Set the base of the index list pointer to 0
3573 GE_CMD(BASE, 0);
3574 // Set the rest of index list pointer to 0 (not being used)
3575 GE_CMD(IADDR, 0);
3576 // Set the base of the screen vertex list pointer
3577 GE_CMD(BASE, ((u32)screen_vertex & 0xFF000000) >> 8);
3578 // Set the rest of the screen vertex list pointer
3579 GE_CMD(VADDR, ((u32)screen_vertex & 0x00FFFFFF));
3580 // Primitive kick: render sprite (primitive 6), 2 vertices
3581 GE_CMD(PRIM, (6 << 16) | 2);
3582 // Done with commands
3583 GE_CMD(FINISH, 0);
3584 // Raise signal interrupt
3585 GE_CMD(SIGNAL, 0);
3586 GE_CMD(NOP, 0);
3587 GE_CMD(NOP, 0);
3588}
3589
4cdfc0bc 3590#elif defined(WIZ_BUILD)
3591
3592void init_video()
3593{
3594}
3595
2823a4c8 3596#else
3597
3598void init_video()
3599{
3600 SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK | SDL_INIT_NOPARACHUTE);
3601
3602#ifdef GP2X_BUILD
3603 SDL_GP2X_AllowGfxMemory(NULL, 0);
3604
3605 hw_screen = SDL_SetVideoMode(320 * video_scale, 240 * video_scale,
3606 16, SDL_HWSURFACE);
3607
3608 screen = SDL_CreateRGBSurface(SDL_HWSURFACE, 240 * video_scale,
3609 160 * video_scale, 16, 0xFFFF, 0xFFFF, 0xFFFF, 0);
3610
638cc626 3611 warm_change_cb_upper(WCB_C_BIT|WCB_B_BIT, 1);
2823a4c8 3612#else
3613 screen = SDL_SetVideoMode(240 * video_scale, 160 * video_scale, 16, 0);
3614#endif
3615 SDL_ShowCursor(0);
3616}
3617
3618#endif
3619
3620video_scale_type screen_scale = scaled_aspect;
3621video_scale_type current_scale = scaled_aspect;
3622video_filter_type screen_filter = filter_bilinear;
3623
3624
3625#ifdef PSP_BUILD
3626
3627void video_resolution_large()
3628{
3629 if(video_direct != 1)
3630 {
3631 video_direct = 1;
3632 screen_pixels = psp_gu_vram_base;
3633 screen_pitch = 512;
3634 sceGuStart(GU_DIRECT, display_list);
3635 sceGuDispBuffer(PSP_SCREEN_WIDTH, PSP_SCREEN_HEIGHT,
3636 (void*)0, PSP_LINE_SIZE);
3637 sceGuFinish();
3638 }
3639}
3640
3641void set_gba_resolution(video_scale_type scale)
3642{
3643 u32 filter_linear = 0;
3644 screen_scale = scale;
3645 switch(scale)
3646 {
3647 case unscaled:
3648 screen_vertex[2] = 120 + 0.5;
3649 screen_vertex[3] = 56 + 0.5;
3650 screen_vertex[7] = GBA_SCREEN_WIDTH + 120 - 0.5;
3651 screen_vertex[8] = GBA_SCREEN_HEIGHT + 56 - 0.5;
3652 break;
3653
3654 case scaled_aspect:
3655 screen_vertex[2] = 36 + 0.5;
3656 screen_vertex[3] = 0 + 0.5;
3657 screen_vertex[7] = 408 + 36 - 0.5;
3658 screen_vertex[8] = PSP_SCREEN_HEIGHT - 0.5;
3659 break;
3660
3661 case fullscreen:
3662 screen_vertex[2] = 0;
3663 screen_vertex[3] = 0;
3664 screen_vertex[7] = PSP_SCREEN_WIDTH;
3665 screen_vertex[8] = PSP_SCREEN_HEIGHT;
3666 break;
3667 }
3668
3669 sceGuStart(GU_DIRECT, display_list);
3670 if(screen_filter == filter_bilinear)
3671 sceGuTexFilter(GU_LINEAR, GU_LINEAR);
3672 else
3673 sceGuTexFilter(GU_NEAREST, GU_NEAREST);
3674
3675 sceGuFinish();
3676 sceGuSync(0, 0);
3677
3678 clear_screen(0x0000);
3679}
3680
3681void video_resolution_small()
3682{
3683 if(video_direct != 0)
3684 {
3685 set_gba_resolution(screen_scale);
3686 video_direct = 0;
3687 screen_pixels = screen_texture;
3688 screen_flip = 0;
3689 screen_pitch = 240;
3690 sceGuStart(GU_DIRECT, display_list);
3691 sceGuDispBuffer(PSP_SCREEN_WIDTH, PSP_SCREEN_HEIGHT,
3692 (void*)0, PSP_LINE_SIZE);
3693 sceGuFinish();
3694 }
3695}
3696
3697void clear_screen(u16 color)
3698{
3699 u32 i;
3700 u16 *src_ptr = get_screen_pixels();
3701
3702 sceGuSync(0, 0);
3703
3704 for(i = 0; i < (512 * 272); i++, src_ptr++)
3705 {
3706 *src_ptr = color;
3707 }
3708
3709 // I don't know why this doesn't work.
3710/* color = (((color & 0x1F) * 255 / 31) << 0) |
3711 ((((color >> 5) & 0x3F) * 255 / 63) << 8) |
3712 ((((color >> 11) & 0x1F) * 255 / 31) << 16) | (0xFF << 24);
3713
3714 sceGuStart(GU_DIRECT, display_list);
3715 sceGuDrawBuffer(GU_PSM_5650, (void*)0, PSP_LINE_SIZE);
3716 //sceGuDispBuffer(PSP_SCREEN_WIDTH, PSP_SCREEN_HEIGHT,
3717 // (void*)0, PSP_LINE_SIZE);
3718 sceGuClearColor(color);
3719 sceGuClear(GU_COLOR_BUFFER_BIT);
3720 sceGuFinish();
3721 sceGuSync(0, 0); */
3722}
3723
4cdfc0bc 3724#elif defined(WIZ_BUILD)
3725
3726void video_resolution_large()
3727{
3728 screen_offset = 0;
3729 resolution_width = 320;
3730 resolution_height = 240;
3731
3732 fb_use_buffers(1);
3733 flip_screen();
3734 clear_screen(0);
42c81190 3735 wiz_lcd_set_portrait(0);
4cdfc0bc 3736}
3737
3738void video_resolution_small()
3739{
5c6e71a0 3740 fb_use_buffers(4);
42c81190 3741
3742 switch (screen_scale)
3743 {
3744 case unscaled:
3745 screen_offset = 320*40 + 40;
3746 wiz_lcd_set_portrait(0);
3747 break;
3748 case scaled_aspect:
3749 screen_offset = 320*(80 - 14) + 80;
3750 wiz_lcd_set_portrait(0);
3751 break;
3752 case unscaled_rot:
3753 wiz_lcd_set_portrait(1);
3754 rot_lines_total = 4;
3755 rot_line_count = 0;
3756 break;
3757 case scaled_aspect_rot:
3758 wiz_lcd_set_portrait(1);
3759 rot_lines_total = 3;
3760 rot_line_count = 0;
3761 break;
3762 }
3763
788343bb 3764 flip_screen();
3765 clear_screen(0);
42c81190 3766
3767 resolution_width = 240;
3768 resolution_height = 160;
4cdfc0bc 3769}
3770
3771void set_gba_resolution(video_scale_type scale)
3772{
3773 screen_scale = scale;
3774}
3775
3776void clear_screen(u16 color)
3777{
3778 u32 col = ((u32)color << 16) | color;
3779 u32 *p = gpsp_gp2x_screen;
3780 int c = 320*240/2;
3781 while (c-- > 0)
3782 *p++ = col;
3783}
3784
2823a4c8 3785#else
3786
3787void video_resolution_large()
3788{
3789 current_scale = unscaled;
3790
3791#ifdef GP2X_BUILD
3792 SDL_FreeSurface(screen);
3793 SDL_GP2X_AllowGfxMemory(NULL, 0);
3794 hw_screen = SDL_SetVideoMode(320, 240, 16, SDL_HWSURFACE);
3795 screen = SDL_CreateRGBSurface(SDL_HWSURFACE, 320, 240, 16, 0xFFFF,
3796 0xFFFF, 0xFFFF, 0);
3797 resolution_width = 320;
3798 resolution_height = 240;
3799 SDL_ShowCursor(0);
3800
638cc626 3801 warm_change_cb_upper(WCB_C_BIT|WCB_B_BIT, 1);
2823a4c8 3802#else
3803 screen = SDL_SetVideoMode(480, 272, 16, 0);
3804 resolution_width = 480;
3805 resolution_height = 272;
3806#endif
3807}
3808
3809void video_resolution_small()
3810{
3811 current_scale = screen_scale;
3812
3813#ifdef GP2X_BUILD
90206450 3814 int w, h;
2823a4c8 3815 SDL_FreeSurface(screen);
3816 SDL_GP2X_AllowGfxMemory(NULL, 0);
90206450 3817
3818 w = 320; h = 240;
3819 if (screen_scale != unscaled)
3820 {
3821 w = small_resolution_width * video_scale;
3822 h = small_resolution_height * video_scale;
3823 }
3824 if (screen_scale == scaled_aspect) h += 20;
3825 hw_screen = SDL_SetVideoMode(w, h, 16, SDL_HWSURFACE);
2823a4c8 3826
3827 screen = SDL_CreateRGBSurface(SDL_HWSURFACE,
3828 small_resolution_width * video_scale, small_resolution_height *
3829 video_scale, 16, 0xFFFF, 0xFFFF, 0xFFFF, 0);
3830
3831 SDL_ShowCursor(0);
3832
638cc626 3833 warm_change_cb_upper(WCB_C_BIT|WCB_B_BIT, 1);
2823a4c8 3834#else
3835 screen = SDL_SetVideoMode(small_resolution_width * video_scale,
3836 small_resolution_height * video_scale, 16, 0);
3837#endif
3838 resolution_width = small_resolution_width;
3839 resolution_height = small_resolution_height;
3840}
3841
3842void set_gba_resolution(video_scale_type scale)
3843{
3844 if(screen_scale != scale)
3845 {
3846 screen_scale = scale;
3847 switch(scale)
3848 {
3849 case unscaled:
3850 case scaled_aspect:
3851 case fullscreen:
3852 small_resolution_width = 240 * video_scale;
3853 small_resolution_height = 160 * video_scale;
3854 break;
3855 }
3856 }
3857}
3858
3859void clear_screen(u16 color)
3860{
3861 u16 *dest_ptr = get_screen_pixels();
3862 u32 line_skip = get_screen_pitch() - screen->w;
3863 u32 x, y;
3864
3865 for(y = 0; y < screen->h; y++)
3866 {
3867 for(x = 0; x < screen->w; x++, dest_ptr++)
3868 {
3869 *dest_ptr = color;
3870 }
3871 dest_ptr += line_skip;
3872 }
3873}
3874
3875#endif
3876
3877u16 *copy_screen()
3878{
3879 u16 *copy = malloc(240 * 160 * 2);
3880 memcpy(copy, get_screen_pixels(), 240 * 160 * 2);
3881 return copy;
3882}
3883
3884void blit_to_screen(u16 *src, u32 w, u32 h, u32 dest_x, u32 dest_y)
3885{
3886 u32 pitch = get_screen_pitch();
3887 u16 *dest_ptr = get_screen_pixels() + dest_x + (dest_y * pitch);
3888
3889 u16 *src_ptr = src;
3890 u32 line_skip = pitch - w;
3891 u32 x, y;
3892
3893 for(y = 0; y < h; y++)
3894 {
3895 for(x = 0; x < w; x++, src_ptr++, dest_ptr++)
3896 {
3897 *dest_ptr = *src_ptr;
3898 }
3899 dest_ptr += line_skip;
3900 }
3901}
3902
3903void print_string_ext(const char *str, u16 fg_color, u16 bg_color,
42c81190 3904 u32 x, u32 y, void *_dest_ptr, u32 pitch, u32 pad, u32 h_offset, u32 height)
2823a4c8 3905{
3906 u16 *dest_ptr = (u16 *)_dest_ptr + (y * pitch) + x;
3907 u8 current_char = str[0];
3908 u32 current_row;
3909 u32 glyph_offset;
42c81190 3910 u32 i = 0, i2, i3, h;
2823a4c8 3911 u32 str_index = 1;
3912 u32 current_x = x;
3913
42c81190 3914 if(y + height > resolution_height)
2823a4c8 3915 return;
3916
3917 while(current_char)
3918 {
3919 if(current_char == '\n')
3920 {
3921 y += FONT_HEIGHT;
3922 current_x = x;
3923 dest_ptr = get_screen_pixels() + (y * pitch) + x;
3924 }
3925 else
3926 {
3927 glyph_offset = _font_offset[current_char];
3928 current_x += FONT_WIDTH;
42c81190 3929 glyph_offset += h_offset;
3930 for(i2 = h_offset, h = 0; i2 < FONT_HEIGHT && h < height; i2++, h++, glyph_offset++)
2823a4c8 3931 {
3932 current_row = _font_bits[glyph_offset];
3933 for(i3 = 0; i3 < FONT_WIDTH; i3++)
3934 {
3935 if((current_row >> (15 - i3)) & 0x01)
3936 *dest_ptr = fg_color;
3937 else
3938 *dest_ptr = bg_color;
3939 dest_ptr++;
3940 }
3941 dest_ptr += (pitch - FONT_WIDTH);
3942 }
42c81190 3943 dest_ptr = dest_ptr - (pitch * h) + FONT_WIDTH;
2823a4c8 3944 }
3945
3946 i++;
3947
3948 current_char = str[str_index];
3949
3950 if((i < pad) && (current_char == 0))
3951 {
3952 current_char = ' ';
3953 }
3954 else
3955 {
3956 str_index++;
3957 }
3958
90206450 3959 if(current_x + FONT_WIDTH > resolution_width /* EDIT */)
3960 {
3961 while (current_char && current_char != '\n')
3962 {
3963 current_char = str[str_index++];
3964 }
3965 }
2823a4c8 3966 }
3967}
3968
3969void print_string(const char *str, u16 fg_color, u16 bg_color,
3970 u32 x, u32 y)
3971{
42c81190 3972#ifdef WIZ_BUILD
3973 if ((screen_scale == unscaled_rot || screen_scale == scaled_aspect_rot) &&
3974 (resolution_width == small_resolution_width) &&
3975 (resolution_height == small_resolution_height))
3976 {
3977 snprintf(rot_msg_buff, sizeof(rot_msg_buff), "%s", str);
3978 return;
3979 }
3980#endif
2823a4c8 3981 print_string_ext(str, fg_color, bg_color, x, y, get_screen_pixels(),
42c81190 3982 get_screen_pitch(), 0, 0, FONT_HEIGHT);
2823a4c8 3983}
3984
3985void print_string_pad(const char *str, u16 fg_color, u16 bg_color,
3986 u32 x, u32 y, u32 pad)
3987{
3988 print_string_ext(str, fg_color, bg_color, x, y, get_screen_pixels(),
42c81190 3989 get_screen_pitch(), pad, 0, FONT_HEIGHT);
2823a4c8 3990}
3991
3992u32 debug_cursor_x = 0;
3993u32 debug_cursor_y = 0;
3994
3995#ifdef STDIO_DEBUG
3996
3997void debug_screen_clear()
3998{
3999}
4000
4001void debug_screen_start()
4002{
4003}
4004
4005void debug_screen_end()
4006{
4007}
4008
4009void debug_screen_update()
4010{
4011}
4012
4013void debug_screen_printf(const char *format, ...)
4014{
4015 va_list ap;
4016
4017 va_start(ap, format);
4018 vprintf(format, ap);
4019 va_end(ap);
4020}
4021
4022void debug_screen_newline(u32 count)
4023{
4024 printf("\n");
4025}
4026
4027
4028#else
4029
4030void debug_screen_clear()
4031{
4032 debug_cursor_x = 0;
4033 debug_cursor_y = 0;
4034 clear_screen(0x0000);
4035}
4036
4037void debug_screen_start()
4038{
4039 video_resolution_large();
4040 debug_screen_clear();
4041}
4042
4043void debug_screen_end()
4044{
4045 video_resolution_small();
4046}
4047
4048void debug_screen_update()
4049{
4050 flip_screen();
4051}
4052
4053void debug_screen_printf(const char *format, ...)
4054{
4055 char str_buffer[512];
4056 u32 str_buffer_length;
4057 va_list ap;
4058
4059 va_start(ap, format);
4060 str_buffer_length = vsnprintf(str_buffer, 512, format, ap);
4061 va_end(ap);
4062
4063 printf("printing debug string %s at %d %d\n", str_buffer,
4064 debug_cursor_x, debug_cursor_y);
4065
4066 print_string(str_buffer, 0xFFFF, 0x0000, debug_cursor_x, debug_cursor_y);
4067 debug_cursor_x += FONT_WIDTH * str_buffer_length;
4068}
4069
4070void debug_screen_newline(u32 count)
4071{
4072 debug_cursor_x = 0;
4073 debug_cursor_y += FONT_HEIGHT * count;
4074}
4075
4076#endif
4077
4078void debug_screen_printl(const char *format, ...)
4079{
4080 va_list ap;
4081
4082 va_start(ap, format);
4083 debug_screen_printf(format, ap);
90206450 4084 debug_screen_newline(1);
4085// debug_screen_printf("\n");
2823a4c8 4086 va_end(ap);
4087}
4088
4089
4090#define video_savestate_builder(type) \
4091void video_##type##_savestate(file_tag_type savestate_file) \
4092{ \
4093 file_##type##_array(savestate_file, affine_reference_x); \
4094 file_##type##_array(savestate_file, affine_reference_y); \
4095} \
4096
4097video_savestate_builder(read);
4098video_savestate_builder(write_mem);
4099
4100
gpSP fork tuned for ARM Linux