Pass correct type for RETRO_ENVIRONMENT_SET_MESSAGE

[pcsx_rearmed.git] / frontend / libretro.c

diff --git a/frontend/libretro.c b/frontend/libretro.c
index 7a7c2ef..62f968a 100644 (file)
--- a/frontend/libretro.c
+++ b/frontend/libretro.c
@@ -230,7 +230,25 @@ void out_register_libretro(struct out_driver *drv)
 }
 
 /* libretro */
-void retro_set_environment(retro_environment_t cb) { environ_cb = cb; }
+void retro_set_environment(retro_environment_t cb)
+{
+   static const struct retro_variable vars[] = {
+      { "frameskip", "Frameskip; 0|1|2|3" },
+      { "region", "Region; Auto|NTSC|PAL" },
+#ifdef __ARM_NEON__
+      { "neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" },
+#if 0
+      { "neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" },
+#endif
+#endif
+      { NULL, NULL },
+   };
+
+   environ_cb = cb;
+
+   cb(RETRO_ENVIRONMENT_SET_VARIABLES, (void*)vars);
+}
+
 void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
 void retro_set_audio_sample(retro_audio_sample_t cb) { (void)cb; }
 void retro_set_audio_sample_batch(retro_audio_sample_batch_t cb) { audio_batch_cb = cb; }
@@ -710,11 +728,66 @@ static const unsigned short retro_psx_map[] = {
 };
 #define RETRO_PSX_MAP_LEN (sizeof(retro_psx_map) / sizeof(retro_psx_map[0]))
 
+static void update_variables(void)
+{
+   struct retro_variable var;
+   
+   var.value = NULL;
+   var.key = "frameskip";
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+      pl_rearmed_cbs.frameskip = atoi(var.value);
+
+   var.value = NULL;
+   var.key = "region";
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      Config.PsxAuto = 0;
+      if (strcmp(var.value, "Automatic") == 0)
+         Config.PsxAuto = 1;
+      else if (strcmp(var.value, "NTSC") == 0)
+         Config.PsxType = 0;
+      else if (strcmp(var.value, "PAL") == 0)
+         Config.PsxType = 1;
+   }
+#ifdef __ARM_NEON__
+   var.value = "NULL";
+   var.key = "neon_interlace_enable";
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      if (strcmp(var.value, "disabled") == 0)
+         pl_rearmed_cbs.gpu_neon.allow_interlace = 0;
+      else if (strcmp(var.value, "enabled") == 0)
+         pl_rearmed_cbs.gpu_neon.allow_interlace = 1;
+   }
+
+#if 0
+   var.value = NULL;
+   var.key = "neon_enhancement_enable";
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      if (strcmp(var.value, "disabled") == 0)
+         pl_rearmed_cbs.gpu_neon.enhancement_enable = 0;
+      else if (strcmp(var.value, "enabled") == 0)
+         pl_rearmed_cbs.gpu_neon.enhancement_enable = 1;
+   }
+#endif
+#endif
+}
+
 void retro_run(void) 
 {
        int i;
 
        input_poll_cb();
+
+   bool updated = false;
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
+      update_variables();
+
        in_keystate = 0;
        for (i = 0; i < RETRO_PSX_MAP_LEN; i++)
                if (input_state_cb(1, RETRO_DEVICE_JOYPAD, 0, i))
@@ -769,7 +842,15 @@ void retro_init(void)
                fclose(f);
        }
        else
+   {
                SysPrintf("no BIOS files found.\n");
+      struct retro_message msg = 
+      {
+         "no BIOS found, expect bugs!",
+         180
+      };
+      environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);
+   }
 
        level = 1;
        environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
@@ -795,6 +876,8 @@ void retro_init(void)
        SaveFuncs.write = save_write;
        SaveFuncs.seek = save_seek;
        SaveFuncs.close = save_close;
+
+   update_variables();
 }
 
 void retro_deinit(void)