add some plugin control from the menu, include spunull
[pcsx_rearmed.git] / frontend / menu.c
index bb2a893..592eb78 100644 (file)
@@ -11,6 +11,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <errno.h>
+#include <dlfcn.h>
 
 #include "menu.h"
 #include "config.h"
@@ -56,7 +57,6 @@ enum {
 };
 
 extern int ready_to_go;
-static int game_config_loaded;
 static int last_psx_w, last_psx_h, last_psx_bpp;
 static int scaling, filter, state_slot, cpu_clock;
 static char rom_fname_reload[MAXPATHLEN];
@@ -75,6 +75,10 @@ extern int iXAPitch;
 extern int iSPUIRQWait;
 extern int iUseTimer;
 
+static const char *gpu_plugins[16];
+static const char *spu_plugins[16];
+static int gpu_plugsel, spu_plugsel;
+
 
 static int min(int x, int y) { return x < y ? x : y; }
 static int max(int x, int y) { return x > y ? x : y; }
@@ -207,9 +211,9 @@ static void make_cfg_fname(char *buf, size_t size, int is_game)
                        trimlabel[j] = 0;
 
        if (is_game)
-               snprintf(cfgfile, sizeof(cfgfile), "." PCSX_DOT_DIR "cfg/%.32s-%.9s.cfg", trimlabel, CdromId);
+               snprintf(buf, size, "." PCSX_DOT_DIR "cfg/%.32s-%.9s.cfg", trimlabel, CdromId);
        else
-               snprintf(cfgfile, sizeof(cfgfile), "." PCSX_DOT_DIR "%s", cfgfile_basename);
+               snprintf(buf, size, "." PCSX_DOT_DIR "%s", cfgfile_basename);
 }
 
 static int menu_write_config(int is_game)
@@ -221,7 +225,7 @@ static int menu_write_config(int is_game)
        make_cfg_fname(cfgfile, sizeof(cfgfile), is_game);
        f = fopen(cfgfile, "w");
        if (f == NULL) {
-               printf("failed to open: %s\n", cfgfile);
+               printf("menu_write_config: failed to open: %s\n", cfgfile);
                return -1;
        }
 
@@ -277,7 +281,7 @@ static int menu_load_config(int is_game)
        make_cfg_fname(cfgfile, sizeof(cfgfile), is_game);
        f = fopen(cfgfile, "r");
        if (f == NULL) {
-               printf("failed to open: %s\n", cfgfile);
+               printf("menu_load_config: failed to open: %s\n", cfgfile);
                return -1;
        }
 
@@ -346,6 +350,16 @@ static int menu_load_config(int is_game)
                }
        }
 
+       // sync plugins
+       for (i = gpu_plugsel = 0; gpu_plugins[i] != NULL; i++)
+               if (strcmp(Config.Gpu, gpu_plugins[i]) == 0)
+                       { gpu_plugsel = i; break; }
+
+       for (i = spu_plugsel = 0; spu_plugins[i] != NULL; i++)
+               if (strcmp(Config.Spu, spu_plugins[i]) == 0)
+                       { spu_plugsel = i; break; }
+
+       ret = 0;
 fail_read:
        free(cfg);
 fail:
@@ -679,8 +693,6 @@ static int menu_loop_gfx_options(int id, int keys)
 // ------------ bios/plugins ------------
 
 static const char *men_gpu_dithering[] = { "None", "Game dependant", "Always", NULL };
-static const char h_gpu[]              = "Configure built-in P.E.Op.S. SoftGL Driver V1.17\n"
-                                        "Coded by Pete Bernert and the P.E.Op.S. team";
 static const char h_gpu_0[]            = "Needed for Chrono Cross";
 static const char h_gpu_1[]            = "Capcom fighting games";
 static const char h_gpu_2[]            = "Black screens in Lunar";
@@ -715,8 +727,6 @@ static int menu_loop_plugin_gpu(int id, int keys)
 
 static const char *men_spu_reverb[] = { "Off", "Fake", "On", NULL };
 static const char *men_spu_interp[] = { "None", "Simple", "Gaussian", "Cubic", NULL };
-static const char h_spu[]           = "Configure built-in P.E.Op.S. Sound Driver V1.7\n"
-                                     "Coded by Pete Bernert and the P.E.Op.S. team";
 static const char h_spu_irq_wait[]  = "Wait for CPU; only useful for some games, may cause glitches";
 static const char h_spu_thread[]    = "Run sound emulation in separate thread";
 
@@ -737,8 +747,15 @@ static int menu_loop_plugin_spu(int id, int keys)
        return 0;
 }
 
+static const char h_gpu[]        = "Configure built-in P.E.Op.S. SoftGL Driver V1.17";
+static const char h_spu[]        = "Configure built-in P.E.Op.S. Sound Driver V1.7";
+static const char h_plugin_xpu[] = "Must save config and reload the game\n"
+                                  "for plugin change to take effect";
+
 static menu_entry e_menu_plugin_options[] =
 {
+       mee_enum_h    ("GPU plugin",                    0, gpu_plugsel, gpu_plugins, h_plugin_xpu),
+       mee_enum_h    ("SPU plugin",                    0, spu_plugsel, spu_plugins, h_plugin_xpu),
        mee_handler_h ("Configure built-in GPU plugin", menu_loop_plugin_gpu, h_gpu),
        mee_handler_h ("Configure built-in SPU plugin", menu_loop_plugin_spu, h_spu),
        mee_end,
@@ -748,6 +765,11 @@ static int menu_loop_plugin_options(int id, int keys)
 {
        static int sel = 0;
        me_loop(e_menu_plugin_options, &sel, NULL);
+
+       // sync plugins
+       snprintf(Config.Gpu, sizeof(Config.Gpu), "%s", gpu_plugins[gpu_plugsel]);
+       snprintf(Config.Spu, sizeof(Config.Spu), "%s", spu_plugins[spu_plugsel]);
+
        return 0;
 }
 
@@ -870,52 +892,72 @@ const char *plat_get_credits(void)
                "  frontend (C) 2010 notaz\n";
 }
 
-static char *romsel_run(void)
+static int run_cd_image(const char *fname)
 {
        extern void set_cd_image(const char *fname);
-       char *ret;
-
-       ret = menu_loop_romsel(last_selected_fname, sizeof(last_selected_fname));
-       if (ret == NULL)
-               return NULL;
-
-       lprintf("selected file: %s\n", ret);
        ready_to_go = 0;
 
-       set_cd_image(ret);
+       set_cd_image(fname);
        LoadPlugins();
        NetOpened = 0;
        if (OpenPlugins() == -1) {
                me_update_msg("failed to open plugins");
-               return NULL;
+               return -1;
        }
 
-       SysReset();
-
        if (CheckCdrom() == -1) {
                // Only check the CD if we are starting the console with a CD
                ClosePlugins();
                me_update_msg("unsupported/invalid CD image");
-               return NULL;
+               return -1;
        }
 
+       SysReset();
+
        // Read main executable directly from CDRom and start it
        if (LoadCdrom() == -1) {
                ClosePlugins();
                me_update_msg("failed to load CD image");
-               return NULL;
+               return -1;
        }
 
-       strcpy(last_selected_fname, rom_fname_reload);
-       game_config_loaded = 0;
        ready_to_go = 1;
-       return ret;
+       return 0;
 }
 
-static int main_menu_handler(int id, int keys)
+static int romsel_run(void)
 {
-       char *ret_name;
+       int prev_gpu, prev_spu;
+       char *fname;
+
+       fname = menu_loop_romsel(last_selected_fname, sizeof(last_selected_fname));
+       if (fname == NULL)
+               return -1;
 
+       printf("selected file: %s\n", fname);
+
+       if (run_cd_image(fname) != 0)
+               return -1;
+
+       prev_gpu = gpu_plugsel;
+       prev_spu = spu_plugsel;
+       if (menu_load_config(1) != 0)
+               menu_load_config(0);
+
+       // check for plugin changes, have to repeat
+       // loading if game config changed plugins to reload them
+       if (prev_gpu != gpu_plugsel || prev_spu != spu_plugsel) {
+               printf("plugin change detected, reloading plugins..\n");
+               if (run_cd_image(fname) != 0)
+                       return -1;
+       }
+
+       strcpy(last_selected_fname, rom_fname_reload);
+       return 0;
+}
+
+static int main_menu_handler(int id, int keys)
+{
        switch (id)
        {
        case MA_MAIN_RESUME_GAME:
@@ -941,8 +983,7 @@ static int main_menu_handler(int id, int keys)
                }
                break;
        case MA_MAIN_LOAD_ROM:
-               ret_name = romsel_run();
-               if (ret_name != NULL)
+               if (romsel_run() == 0)
                        return 1;
                break;
        case MA_MAIN_CREDITS:
@@ -1009,12 +1050,77 @@ void menu_loop(void)
        menu_prepare_emu();
 }
 
+static void scan_plugins(void)
+{
+       char fname[MAXPATHLEN];
+       struct dirent *ent;
+       int gpu_i, spu_i;
+       char *p;
+       DIR *dir;
+
+       gpu_plugins[0] = "builtin_gpu";
+       spu_plugins[0] = "builtin_spu";
+       gpu_i = spu_i = 1;
+
+       snprintf(fname, sizeof(fname), "%s/", Config.PluginsDir);
+       dir = opendir(fname);
+       if (dir == NULL) {
+               perror("scan_plugins opendir");
+               return;
+       }
+
+       while (1) {
+               void *h, *tmp;
+
+               errno = 0;
+               ent = readdir(dir);
+               if (ent == NULL) {
+                       if (errno != 0)
+                               perror("readdir");
+                       break;
+               }
+               p = strstr(ent->d_name, ".so");
+               if (p == NULL)
+                       continue;
+
+               snprintf(fname, sizeof(fname), "%s/%s", Config.PluginsDir, ent->d_name);
+               h = dlopen(fname, RTLD_LAZY | RTLD_LOCAL);
+               if (h == NULL) {
+                       fprintf(stderr, "%s\n", dlerror());
+                       continue;
+               }
+
+               // now what do we have here?
+               tmp = dlsym(h, "GPUinit");
+               if (tmp) {
+                       dlclose(h);
+                       if (gpu_i < ARRAY_SIZE(gpu_plugins) - 1)
+                               gpu_plugins[gpu_i++] = strdup(ent->d_name);
+                       continue;
+               }
+
+               tmp = dlsym(h, "SPUinit");
+               if (tmp) {
+                       dlclose(h);
+                       if (spu_i < ARRAY_SIZE(spu_plugins) - 1)
+                               spu_plugins[spu_i++] = strdup(ent->d_name);
+                       continue;
+               }
+
+               fprintf(stderr, "ignoring unidentified plugin: %s\n", fname);
+               dlclose(h);
+       }
+
+       closedir(dir);
+}
+
 void menu_init(void)
 {
        char buff[MAXPATHLEN];
 
        strcpy(last_selected_fname, "/media");
 
+       scan_plugins();
        pnd_menu_init();
        menu_init_common();
 
@@ -1067,12 +1173,6 @@ static void menu_leave_emu(void)
 
 void menu_prepare_emu(void)
 {
-       if (!game_config_loaded) {
-               menu_set_defconfig();
-               menu_load_config(1);
-               game_config_loaded = 1;
-       }
-
        switch (scaling) {
        case SCALE_1_1:
                menu_notify_mode_change(last_psx_w, last_psx_h, last_psx_bpp);