X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=frontend%2Flibretro.c;h=b8b11665fa2f4c1cbd2198bd4f0e7da75b3eced7;hb=b34d6a805a50ee4a897b0a53bbc0b89e3eb7f72e;hp=f4b23cdfbc3e98ea2a0ae62673a73d7c49c59d5f;hpb=4d66d894c6563cbfb78fe8ccc0b374809fc44b0d;p=pcsx_rearmed.git

diff --git a/frontend/libretro.c b/frontend/libretro.c
index f4b23cdf..b8b11665 100644
--- a/frontend/libretro.c
+++ b/frontend/libretro.c
@@ -29,7 +29,6 @@
 #include "../libpcsxcore/r3000a.h"
 #include "../plugins/dfsound/out.h"
 #include "../plugins/dfsound/spu_config.h"
-#include "../plugins/dfinput/externals.h"
 #include "cspace.h"
 #include "main.h"
 #include "menu.h"
@@ -80,7 +79,8 @@ static unsigned msg_interface_version = 0;
 static void *vout_buf;
 static void *vout_buf_ptr;
 static int vout_width, vout_height;
-static int vout_doffs_old, vout_fb_dirty;
+static int vout_fb_dirty;
+static int psx_w, psx_h;
 static bool vout_can_dupe;
 static bool duping_enable;
 static bool found_bios;
@@ -240,6 +240,8 @@ static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp)
 {
    vout_width = w;
    vout_height = h;
+   psx_w = raw_w;
+   psx_h = raw_h;
 
    if (previous_width != vout_width || previous_height != vout_height)
    {
@@ -267,29 +269,22 @@ static void convert(void *buf, size_t bytes)
 }
 #endif
 
-static void vout_flip(const void *vram, int stride, int bgr24, int w, int h)
+static void vout_flip(const void *vram, int stride, int bgr24,
+      int x, int y, int w, int h, int dims_changed)
 {
    unsigned short *dest = vout_buf_ptr;
    const unsigned short *src = vram;
    int dstride = vout_width, h1 = h;
-   int doffs;
 
-   if (vram == NULL)
+   if (vram == NULL || dims_changed)
    {
+      memset(vout_buf_ptr, 0, dstride * vout_height * 2);
       // blanking
-      memset(vout_buf_ptr, 0, dstride * h * 2);
-      goto out;
+      if (vram == NULL)
+         goto out;
    }
 
-   doffs = (vout_height - h) * dstride;
-   doffs += (dstride - w) / 2 & ~1;
-   if (doffs != vout_doffs_old)
-   {
-      // clear borders
-      memset(vout_buf_ptr, 0, dstride * h * 2);
-      vout_doffs_old = doffs;
-   }
-   dest += doffs;
+   dest += x + y * dstride;
 
    if (bgr24)
    {
@@ -501,7 +496,7 @@ struct rearmed_cbs pl_rearmed_cbs = {
 void pl_frame_limit(void)
 {
    /* called once per frame, make psxCpu->Execute() above return */
-   stop = 1;
+   stop++;
 }
 
 void pl_timing_prepare(int is_pal)
@@ -521,7 +516,7 @@ void plat_trigger_vibrate(int pad, int low, int high)
    }
 }
 
-void pl_update_gun(int *xn, int *yn, int *xres, int *yres, int *in)
+void pl_gun_byte2(int port, unsigned char byte)
 {
 }
 
@@ -870,7 +865,7 @@ void retro_get_system_info(struct retro_system_info *info)
    memset(info, 0, sizeof(*info));
    info->library_name     = "PCSX-ReARMed";
    info->library_version  = "r23l" GIT_VERSION;
-   info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd";
+   info->valid_extensions = "bin|cue|img|mdf|pbp|toc|cbn|m3u|chd|iso|exe";
    info->need_fullpath    = true;
 }
 
@@ -998,12 +993,13 @@ void retro_cheat_reset(void)
 
 void retro_cheat_set(unsigned index, bool enabled, const char *code)
 {
-   char buf[256];
-   int ret;
+   int ret = -1;
+   char *buf;
 
-   // cheat funcs are destructive, need a copy..
-   strncpy(buf, code, sizeof(buf));
-   buf[sizeof(buf) - 1] = 0;
+   // cheat funcs are destructive, need a copy...
+   buf = strdup(code);
+   if (buf == NULL)
+      goto finish;
 
    //Prepare buffered cheat for PCSX's AddCheat fucntion.
    int cursor = 0;
@@ -1029,10 +1025,12 @@ void retro_cheat_set(unsigned index, bool enabled, const char *code)
    else
       ret = AddCheat("", buf);
 
+finish:
    if (ret != 0)
       SysPrintf("Failed to set cheat %#u\n", index);
    else if (index < NumCheats)
       Cheats[index].Enabled = enabled;
+   free(buf);
 }
 
 // just in case, maybe a win-rt port in the future?
@@ -1471,6 +1469,8 @@ bool retro_load_game(const struct retro_game_info *info)
    size_t i;
    unsigned int cd_index = 0;
    bool is_m3u = (strcasestr(info->path, ".m3u") != NULL);
+   bool is_exe = (strcasestr(info->path, ".exe") != NULL);
+   int ret;
 
    struct retro_input_descriptor desc[] = {
 #define JOYP(port)                                                                                                \
@@ -1664,7 +1664,7 @@ bool retro_load_game(const struct retro_game_info *info)
    plugin_call_rearmed_cbs();
    /* dfinput_activate(); */
 
-   if (CheckCdrom() == -1)
+   if (!is_exe && CheckCdrom() == -1)
    {
       log_cb(RETRO_LOG_INFO, "unsupported/invalid CD image: %s\n", info->path);
       return false;
@@ -1672,9 +1672,13 @@ bool retro_load_game(const struct retro_game_info *info)
 
    SysReset();
 
-   if (LoadCdrom() == -1)
+   if (is_exe)
+      ret = Load(info->path);
+   else
+      ret = LoadCdrom();
+   if (ret != 0)
    {
-      log_cb(RETRO_LOG_INFO, "could not load CD\n");
+      log_cb(RETRO_LOG_INFO, "could not load %s (%d)\n", is_exe ? "exe" : "CD", ret);
       return false;
    }
    emu_on_new_cd(0);
@@ -1881,7 +1885,7 @@ static void update_variables(bool in_flight)
 
 #ifdef GPU_NEON
    var.value = NULL;
-   var.key = "pcsx_rearmed_neon_interlace_enable";
+   var.key = "pcsx_rearmed_neon_interlace_enable_v2";
 
    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
    {
@@ -1889,6 +1893,8 @@ static void update_variables(bool in_flight)
          pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
       else if (strcmp(var.value, "enabled") == 0)
          pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
+      else // auto
+         pl_rearmed_cbs.gpu_neon.allow_interlace = 2;
    }
 
    var.value = NULL;
@@ -1947,18 +1953,13 @@ static void update_variables(bool in_flight)
 
    {
       R3000Acpu *prev_cpu = psxCpu;
-#if defined(LIGHTREC)
-      bool can_use_dynarec = found_bios;
-#else
-      bool can_use_dynarec = 1;
-#endif
 
 #ifdef _3DS
       if (!__ctr_svchax)
          Config.Cpu = CPU_INTERPRETER;
       else
 #endif
-      if (strcmp(var.value, "disabled") == 0 || !can_use_dynarec)
+      if (strcmp(var.value, "disabled") == 0)
          Config.Cpu = CPU_INTERPRETER;
       else if (strcmp(var.value, "enabled") == 0)
          Config.Cpu = CPU_DYNAREC;
@@ -1966,9 +1967,11 @@ static void update_variables(bool in_flight)
       psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
       if (psxCpu != prev_cpu)
       {
+         prev_cpu->Notify(R3000ACPU_NOTIFY_BEFORE_SAVE, NULL);
          prev_cpu->Shutdown();
          psxCpu->Init();
-         psxCpu->Reset(); // not really a reset..
+         psxCpu->Reset();
+         psxCpu->Notify(R3000ACPU_NOTIFY_AFTER_LOAD, NULL);
       }
    }
 #endif /* !DRC_DISABLE */
@@ -2043,6 +2046,16 @@ static void update_variables(bool in_flight)
          Config.icache_emulation = 1;
    }
 
+   var.value = NULL;
+   var.key = "pcsx_rearmed_exception_emulation";
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      if (strcmp(var.value, "enabled") == 0)
+         Config.PreciseExceptions = 1;
+      else
+         Config.PreciseExceptions = 0;
+   }
+
    psxCpu->ApplyConfig();
 
    // end of CPU emu config
@@ -2084,28 +2097,28 @@ static void update_variables(bool in_flight)
          spu_config.iUseThread = 0;
    }
 
-#ifndef _WIN32
-   var.value = NULL;
-   var.key = "pcsx_rearmed_async_cd";
-   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
-   {
-      if (strcmp(var.value, "async") == 0)
-      {
-         Config.AsyncCD = 1;
-         Config.CHD_Precache = 0;
-      }
-      else if (strcmp(var.value, "sync") == 0)
-      {
-         Config.AsyncCD = 0;
-         Config.CHD_Precache = 0;
-      }
-      else if (strcmp(var.value, "precache") == 0)
-      {
-         Config.AsyncCD = 0;
-         Config.CHD_Precache = 1;
-      }
+   if (P_HAVE_PTHREAD) {
+	   var.value = NULL;
+	   var.key = "pcsx_rearmed_async_cd";
+	   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+	   {
+		  if (strcmp(var.value, "async") == 0)
+		  {
+			 Config.AsyncCD = 1;
+			 Config.CHD_Precache = 0;
+		  }
+		  else if (strcmp(var.value, "sync") == 0)
+		  {
+			 Config.AsyncCD = 0;
+			 Config.CHD_Precache = 0;
+		  }
+		  else if (strcmp(var.value, "precache") == 0)
+		  {
+			 Config.AsyncCD = 0;
+			 Config.CHD_Precache = 1;
+		  }
+       }
    }
-#endif
 
    var.value = NULL;
    var.key = "pcsx_rearmed_noxadecoding";
@@ -2132,11 +2145,37 @@ static void update_variables(bool in_flight)
    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
    {
       if (strcmp(var.value, "disabled") == 0)
-	 Config.GpuListWalking = 0;
+         Config.GpuListWalking = 0;
       else if (strcmp(var.value, "enabled") == 0)
-	 Config.GpuListWalking = 1;
+         Config.GpuListWalking = 1;
       else // auto
-	 Config.GpuListWalking = -1;
+         Config.GpuListWalking = -1;
+   }
+
+   var.value = NULL;
+   var.key = "pcsx_rearmed_screen_centering";
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      if (strcmp(var.value, "game") == 0)
+         pl_rearmed_cbs.screen_centering_type = 1;
+      else if (strcmp(var.value, "manual") == 0)
+         pl_rearmed_cbs.screen_centering_type = 2;
+      else // auto
+         pl_rearmed_cbs.screen_centering_type = 0;
+   }
+
+   var.value = NULL;
+   var.key = "pcsx_rearmed_screen_centering_x";
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      pl_rearmed_cbs.screen_centering_x = atoi(var.value);
+   }
+
+   var.value = NULL;
+   var.key = "pcsx_rearmed_screen_centering_y";
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
+   {
+      pl_rearmed_cbs.screen_centering_y = atoi(var.value);
    }
 
 #ifdef THREAD_RENDERING
@@ -2431,19 +2470,21 @@ static void update_input_guncon(int port, int ret)
    //Mouse range is -32767 -> 32767
    //1% is about 655
    //Use the left analog stick field to store the absolute coordinates
-   //Fix cursor to top-left when gun is detected as "offscreen"
+
+   int gunx = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X);
+   int guny = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y);
+
+   //Have the Libretro API let /libpcsxcore/plugins.c know when the lightgun is pointed offscreen
+   //Offscreen value is chosen to be well out of range of any possible scaling done via core options
    if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_IS_OFFSCREEN) || input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD))
    {
-      in_analog_left[port][0] = -32767;
-      in_analog_left[port][1] = -32767;
+      in_analog_left[port][0] = 65536;
+      in_analog_left[port][1] = 65536;
    }
    else
    {
-      int gunx = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X);
-      int guny = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y);
-	   
-      in_analog_left[port][0] = (gunx * GunconAdjustRatioX) + (GunconAdjustX * 655);
-      in_analog_left[port][1] = (guny * GunconAdjustRatioY) + (GunconAdjustY * 655);
+      in_analog_left[port][0] = ((gunx * GunconAdjustRatioX) + (GunconAdjustX * 655)) / 64 + 512;
+      in_analog_left[port][1] = ((guny * GunconAdjustRatioY) + (GunconAdjustY * 655)) / 64 + 512;
    }
 	
    //GUNCON has 3 controls, Trigger,A,B which equal Circle,Start,Cross
@@ -2706,12 +2747,8 @@ void retro_run(void)
    {
       rebootemu = 0;
       SysReset();
-      if (!Config.HLE && !Config.SlowBoot)
-      {
-         // skip BIOS logos
-         psxRegs.pc = psxRegs.GPR.n.ra;
-      }
-      return;
+      if (Config.HLE)
+         LoadCdrom();
    }
 
    print_internal_fps();
@@ -2781,7 +2818,7 @@ void retro_run(void)
    set_vout_fb();
 }
 
-static bool try_use_bios(const char *path)
+static bool try_use_bios(const char *path, bool preferred_only)
 {
    long size;
    const char *name;
@@ -2793,12 +2830,20 @@ static bool try_use_bios(const char *path)
    size = ftell(fp);
    fclose(fp);
 
-   if (size != 512 * 1024)
-      return false;
-
    name = strrchr(path, SLASH);
    if (name++ == NULL)
       name = path;
+
+   if (preferred_only && size != 512 * 1024)
+      return false;
+   if (size != 512 * 1024 && size != 4 * 1024 * 1024)
+      return false;
+   if (strstr(name, "unirom"))
+      return false;
+   // jp bios have an addidional region check
+   if (preferred_only && (strcasestr(name, "00.") || strcasestr(name, "j.bin")))
+      return false;
+
    snprintf(Config.Bios, sizeof(Config.Bios), "%s", name);
    return true;
 }
@@ -2809,24 +2854,50 @@ static bool try_use_bios(const char *path)
 
 static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
 {
+   static const char *substr_pref[] = { "scph", "ps" };
+   static const char *substr_alt[] = { "scph", "ps", "openbios" };
    DIR *dir;
    struct dirent *ent;
    bool ret = false;
+   size_t i;
 
    dir = opendir(dirpath);
    if (dir == NULL)
       return false;
 
+   // try to find a "better" bios
    while ((ent = readdir(dir)))
    {
-      if ((strncasecmp(ent->d_name, "scph", 4) != 0) && (strncasecmp(ent->d_name, "psx", 3) != 0))
-         continue;
+      for (i = 0; i < sizeof(substr_pref) / sizeof(substr_pref[0]); i++)
+      {
+         const char *substr = substr_pref[i];
+         if ((strncasecmp(ent->d_name, substr, strlen(substr)) != 0))
+            continue;
+         snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
+         ret = try_use_bios(path, true);
+         if (ret)
+            goto finish;
+      }
+   }
 
-      snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
-      ret = try_use_bios(path);
-      if (ret)
-         break;
+   // another pass to look for anything fitting, even ps2 bios
+   rewinddir(dir);
+   while ((ent = readdir(dir)))
+   {
+      for (i = 0; i < sizeof(substr_alt) / sizeof(substr_alt[0]); i++)
+      {
+         const char *substr = substr_alt[i];
+         if ((strncasecmp(ent->d_name, substr, strlen(substr)) != 0))
+            continue;
+         snprintf(path, path_size, "%s%c%s", dirpath, SLASH, ent->d_name);
+         ret = try_use_bios(path, false);
+         if (ret)
+            goto finish;
+      }
    }
+
+
+finish:
    closedir(dir);
    return ret;
 }
@@ -2923,7 +2994,7 @@ static void loadPSXBios(void)
          for (i = 0; i < sizeof(bios) / sizeof(bios[0]); i++)
          {
             snprintf(path, sizeof(path), "%s%c%s.bin", dir, SLASH, bios[i]);
-            found_bios = try_use_bios(path);
+            found_bios = try_use_bios(path, true);
             if (found_bios)
                break;
          }
@@ -3016,7 +3087,7 @@ void retro_init(void)
 
 #ifdef _3DS
    vout_buf = linearMemAlign(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2, 0x80);
-#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && !defined(VITA) && !defined(__SWITCH__)
+#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && P_HAVE_POSIX_MEMALIGN
    if (posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2) != 0)
       vout_buf = (void *) 0;
 #else
@@ -3049,7 +3120,6 @@ void retro_init(void)
 #endif
    pl_rearmed_cbs.gpu_peops.iUseDither = 1;
    pl_rearmed_cbs.gpu_peops.dwActFixes = GPU_PEOPS_OLD_FRAME_SKIP;
-   spu_config.iUseFixedUpdates = 1;
 
    SaveFuncs.open = save_open;
    SaveFuncs.read = save_read;
@@ -3140,3 +3210,5 @@ void SysDLog(const char *fmt, ...)
    if (log_cb)
       log_cb(RETRO_LOG_DEBUG, "%s", msg);
 }
+
+// vim:sw=3:ts=3:expandtab