5 * This work is licensed under the terms of MAME license.
6 * See COPYING file in the top-level directory.
11 #include "../libpicofe/input.h"
12 #include "../libpicofe/plat_sdl.h"
13 #include "../libpicofe/in_sdl.h"
14 #include "../libpicofe/gl.h"
16 #include "menu_pico.h"
17 #include "input_pico.h"
20 static void *shadow_fb;
22 const struct in_default_bind in_sdl_defbinds[] __attribute__((weak)) = {
23 { SDLK_UP, IN_BINDTYPE_PLAYER12, GBTN_UP },
24 { SDLK_DOWN, IN_BINDTYPE_PLAYER12, GBTN_DOWN },
25 { SDLK_LEFT, IN_BINDTYPE_PLAYER12, GBTN_LEFT },
26 { SDLK_RIGHT, IN_BINDTYPE_PLAYER12, GBTN_RIGHT },
27 { SDLK_z, IN_BINDTYPE_PLAYER12, GBTN_A },
28 { SDLK_x, IN_BINDTYPE_PLAYER12, GBTN_B },
29 { SDLK_c, IN_BINDTYPE_PLAYER12, GBTN_C },
30 { SDLK_a, IN_BINDTYPE_PLAYER12, GBTN_X },
31 { SDLK_s, IN_BINDTYPE_PLAYER12, GBTN_Y },
32 { SDLK_d, IN_BINDTYPE_PLAYER12, GBTN_Z },
33 { SDLK_RETURN, IN_BINDTYPE_PLAYER12, GBTN_START },
34 { SDLK_f, IN_BINDTYPE_PLAYER12, GBTN_MODE },
35 { SDLK_ESCAPE, IN_BINDTYPE_EMU, PEVB_MENU },
36 { SDLK_F1, IN_BINDTYPE_EMU, PEVB_STATE_SAVE },
37 { SDLK_F2, IN_BINDTYPE_EMU, PEVB_STATE_LOAD },
38 { SDLK_F3, IN_BINDTYPE_EMU, PEVB_SSLOT_PREV },
39 { SDLK_F4, IN_BINDTYPE_EMU, PEVB_SSLOT_NEXT },
40 { SDLK_F5, IN_BINDTYPE_EMU, PEVB_SWITCH_RND },
41 { SDLK_F6, IN_BINDTYPE_EMU, PEVB_PICO_PPREV },
42 { SDLK_F7, IN_BINDTYPE_EMU, PEVB_PICO_PNEXT },
43 { SDLK_F8, IN_BINDTYPE_EMU, PEVB_PICO_SWINP },
44 { SDLK_BACKSPACE, IN_BINDTYPE_EMU, PEVB_FF },
48 const struct menu_keymap in_sdl_key_map[] __attribute__((weak)) =
51 { SDLK_DOWN, PBTN_DOWN },
52 { SDLK_LEFT, PBTN_LEFT },
53 { SDLK_RIGHT, PBTN_RIGHT },
54 { SDLK_RETURN, PBTN_MOK },
55 { SDLK_ESCAPE, PBTN_MBACK },
56 { SDLK_SEMICOLON, PBTN_MA2 },
57 { SDLK_QUOTE, PBTN_MA3 },
58 { SDLK_LEFTBRACKET, PBTN_L },
59 { SDLK_RIGHTBRACKET, PBTN_R },
62 const struct menu_keymap in_sdl_joy_map[] __attribute__((weak)) =
65 { SDLK_DOWN, PBTN_DOWN },
66 { SDLK_LEFT, PBTN_LEFT },
67 { SDLK_RIGHT, PBTN_RIGHT },
69 { SDLK_WORLD_0, PBTN_MOK },
70 { SDLK_WORLD_1, PBTN_MBACK },
71 { SDLK_WORLD_2, PBTN_MA2 },
72 { SDLK_WORLD_3, PBTN_MA3 },
75 static const struct in_pdata in_sdl_platform_data = {
76 .defbinds = in_sdl_defbinds,
77 .key_map = in_sdl_key_map,
78 .kmap_size = sizeof(in_sdl_key_map) / sizeof(in_sdl_key_map[0]),
79 .joy_map = in_sdl_joy_map,
80 .jmap_size = sizeof(in_sdl_joy_map) / sizeof(in_sdl_joy_map[0]),
84 static int yuv_ry[32], yuv_gy[32], yuv_by[32];
85 static unsigned char yuv_u[32 * 2], yuv_v[32 * 2];
87 void bgr_to_uyvy_init(void)
91 /* init yuv converter:
92 y0 = (int)((0.299f * r0) + (0.587f * g0) + (0.114f * b0));
93 y1 = (int)((0.299f * r1) + (0.587f * g1) + (0.114f * b1));
94 u = (int)(8 * 0.565f * (b0 - y0)) + 128;
95 v = (int)(8 * 0.713f * (r0 - y0)) + 128;
97 for (i = 0; i < 32; i++) {
98 yuv_ry[i] = (int)(0.299f * i * 65536.0f + 0.5f);
99 yuv_gy[i] = (int)(0.587f * i * 65536.0f + 0.5f);
100 yuv_by[i] = (int)(0.114f * i * 65536.0f + 0.5f);
102 for (i = -32; i < 32; i++) {
103 v = (int)(8 * 0.565f * i) + 128;
109 v = (int)(8 * 0.713f * i) + 128;
118 void rgb565_to_uyvy(void *d, const void *s, int pixels)
120 unsigned int *dst = d;
121 const unsigned short *src = s;
122 const unsigned char *yu = yuv_u + 32;
123 const unsigned char *yv = yuv_v + 32;
124 int r0, g0, b0, r1, g1, b1;
127 for (; pixels > 0; src += 2, dst++, pixels -= 2)
129 r0 = (src[0] >> 11) & 0x1f;
130 g0 = (src[0] >> 6) & 0x1f;
132 r1 = (src[1] >> 11) & 0x1f;
133 g1 = (src[1] >> 6) & 0x1f;
135 y0 = (yuv_ry[r0] + yuv_gy[g0] + yuv_by[b0]) >> 16;
136 y1 = (yuv_ry[r1] + yuv_gy[g1] + yuv_by[b1]) >> 16;
139 // valid Y range seems to be 16..235
140 y0 = 16 + 219 * y0 / 31;
141 y1 = 16 + 219 * y1 / 31;
143 *dst = (y1 << 24) | (v << 16) | (y0 << 8) | u;
147 void plat_video_flip(void)
149 if (plat_sdl_overlay != NULL) {
151 { 0, 0, plat_sdl_screen->w, plat_sdl_screen->h };
153 SDL_LockYUVOverlay(plat_sdl_overlay);
154 rgb565_to_uyvy(plat_sdl_overlay->pixels[0], shadow_fb,
155 g_screen_width * g_screen_height);
156 SDL_UnlockYUVOverlay(plat_sdl_overlay);
157 SDL_DisplayYUVOverlay(plat_sdl_overlay, &dstrect);
159 else if (plat_sdl_gl_active) {
160 gl_flip(shadow_fb, g_screen_width, g_screen_height);
163 if (SDL_MUSTLOCK(plat_sdl_screen))
164 SDL_UnlockSurface(plat_sdl_screen);
165 SDL_Flip(plat_sdl_screen);
166 g_screen_ptr = plat_sdl_screen->pixels;
167 PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);
171 void plat_video_wait_vsync(void)
175 void plat_video_menu_enter(int is_rom_loaded)
177 plat_sdl_change_video_mode(g_menuscreen_w, g_menuscreen_h, 0);
178 g_screen_ptr = shadow_fb;
181 void plat_video_menu_begin(void)
183 if (plat_sdl_overlay != NULL || plat_sdl_gl_active) {
184 g_menuscreen_ptr = shadow_fb;
187 if (SDL_MUSTLOCK(plat_sdl_screen))
188 SDL_LockSurface(plat_sdl_screen);
189 g_menuscreen_ptr = plat_sdl_screen->pixels;
193 void plat_video_menu_end(void)
195 if (plat_sdl_overlay != NULL) {
197 { 0, 0, plat_sdl_screen->w, plat_sdl_screen->h };
199 SDL_LockYUVOverlay(plat_sdl_overlay);
200 rgb565_to_uyvy(plat_sdl_overlay->pixels[0], shadow_fb,
201 g_menuscreen_w * g_menuscreen_h);
202 SDL_UnlockYUVOverlay(plat_sdl_overlay);
204 SDL_DisplayYUVOverlay(plat_sdl_overlay, &dstrect);
206 else if (plat_sdl_gl_active) {
207 gl_flip(g_menuscreen_ptr, g_menuscreen_w, g_menuscreen_h);
210 if (SDL_MUSTLOCK(plat_sdl_screen))
211 SDL_UnlockSurface(plat_sdl_screen);
212 SDL_Flip(plat_sdl_screen);
214 g_menuscreen_ptr = NULL;
218 void plat_video_menu_leave(void)
222 void plat_video_loop_prepare(void)
224 plat_sdl_change_video_mode(g_screen_width, g_screen_height, 0);
226 if (plat_sdl_overlay != NULL || plat_sdl_gl_active) {
227 g_screen_ptr = shadow_fb;
230 if (SDL_MUSTLOCK(plat_sdl_screen))
231 SDL_LockSurface(plat_sdl_screen);
232 g_screen_ptr = plat_sdl_screen->pixels;
234 PicoDrawSetOutBuf(g_screen_ptr, g_screen_width * 2);
237 void plat_early_init(void)
241 static void plat_sdl_quit(void)
252 ret = plat_sdl_init();
256 plat_sdl_quit_cb = plat_sdl_quit;
258 SDL_WM_SetCaption("PicoDrive " VERSION, NULL);
260 g_menuscreen_w = plat_sdl_screen->w;
261 g_menuscreen_h = plat_sdl_screen->h;
262 g_menuscreen_ptr = NULL;
264 shadow_size = g_menuscreen_w * g_menuscreen_h * 2;
265 if (shadow_size < 320 * 480 * 2)
266 shadow_size = 320 * 480 * 2;
268 shadow_fb = malloc(shadow_size);
269 g_menubg_ptr = malloc(shadow_size);
270 if (shadow_fb == NULL || g_menubg_ptr == NULL) {
271 fprintf(stderr, "OOM\n");
275 g_screen_width = 320;
276 g_screen_height = 240;
277 g_screen_ptr = shadow_fb;
279 in_sdl_init(&in_sdl_platform_data, plat_sdl_event_handler);
285 void plat_finish(void)