Add libretro VFS and use VFS for windows target

[pcsx_rearmed.git] / frontend / libretro.c

diff --git a/frontend/libretro.c b/frontend/libretro.c
index e18b190..395bc13 100644 (file)
--- a/frontend/libretro.c
+++ b/frontend/libretro.c
@@ -41,6 +41,10 @@
 #include <libretro.h>
 #include "libretro_core_options.h"
 
+#ifdef USE_LIBRETRO_VFS
+#include <streams/file_stream_transforms.h>
+#endif
+
 #ifdef _3DS
 #include "3ds/3ds_utils.h"
 #endif
@@ -555,6 +559,10 @@ static const struct retro_controller_info ports[9] =
 /* libretro */
 void retro_set_environment(retro_environment_t cb)
 {
+#ifdef USE_LIBRETRO_VFS
+   struct retro_vfs_interface_info vfs_iface_info;
+#endif
+
    environ_cb = cb;
 
    if (cb(RETRO_ENVIRONMENT_GET_LOG_INTERFACE, &logging))
@@ -562,6 +570,13 @@ void retro_set_environment(retro_environment_t cb)
 
    environ_cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
    libretro_set_core_options(environ_cb);
+
+#ifdef USE_LIBRETRO_VFS
+   vfs_iface_info.required_interface_version = 1;
+   vfs_iface_info.iface                      = NULL;
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VFS_INTERFACE, &vfs_iface_info))
+          filestream_vfs_init(&vfs_iface_info);
+#endif
 }
 
 void retro_set_video_refresh(retro_video_refresh_t cb) { video_cb = cb; }
@@ -577,53 +592,37 @@ unsigned retro_api_version(void)
 
 static void update_multitap(void)
 {
-   struct retro_variable var;
-   int auto_case, port;
+   struct retro_variable var = {};
 
    var.value = NULL;
-   var.key = "pcsx_rearmed_multitap1";
-   auto_case = 0;
+   var.key = "pcsx_rearmed_multitap";
    if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value))
    {
-      if (strcmp(var.value, "enabled") == 0)
+      if (strcmp(var.value, "port 1 only") == 0)
+      {
          multitap1 = 1;
-      else if (strcmp(var.value, "disabled") == 0)
+         multitap2 = 0;
+      }
+      else if (strcmp(var.value, "port 2 only") == 0)
+      {
          multitap1 = 0;
-      else // 'auto' case
-         auto_case = 1;
-   }
-   else
-      auto_case = 1;
-
-   if (auto_case)
-   {
-      // If a gamepad is plugged after port 2, we need a first multitap.
-      multitap1 = 0;
-      for (port = 2; port < PORTS_NUMBER; port++)
-         multitap1 |= in_type[port] != PSE_PAD_TYPE_NONE;
-   }
-
-   var.value = NULL;
-   var.key = "pcsx_rearmed_multitap2";
-   auto_case = 0;
-   if (environ_cb && (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value))
-   {
-      if (strcmp(var.value, "enabled") == 0)
          multitap2 = 1;
-      else if (strcmp(var.value, "disabled") == 0)
+      }
+      else if (strcmp(var.value, "both") == 0)
+      {
+         multitap1 = 1;
+         multitap2 = 1;
+      }
+      else
+      {
+         multitap1 = 0;
          multitap2 = 0;
-      else // 'auto' case
-         auto_case = 1;
+      }
    }
    else
-      auto_case = 1;
-
-   if (auto_case)
    {
-      // If a gamepad is plugged after port 4, we need a second multitap.
+      multitap1 = 0;
       multitap2 = 0;
-      for (port = 4; port < PORTS_NUMBER; port++)
-         multitap2 |= in_type[port] != PSE_PAD_TYPE_NONE;
    }
 }
 
@@ -660,6 +659,7 @@ void retro_set_controller_port_device(unsigned port, unsigned device)
    }
 
    SysPrintf("port: %u  device: %s\n", port + 1, get_pse_pad_label[in_type[port]]);
+   input_changed = 1;
 }
 
 void retro_get_system_info(struct retro_system_info *info)
@@ -1112,11 +1112,11 @@ static bool read_m3u(const char *file)
 {
    char line[1024];
    char name[PATH_MAX];
-   FILE *f = fopen(file, "r");
-   if (!f)
+   FILE *fp = fopen(file, "r");
+   if (!fp)
       return false;
 
-   while (fgets(line, sizeof(line), f) && disk_count < sizeof(disks) / sizeof(disks[0]))
+   while (fgets(fp, line, sizeof(line)) && disk_count < sizeof(disks) / sizeof(disks[0]))
    {
       if (line[0] == '#')
          continue;
@@ -1142,7 +1142,7 @@ static bool read_m3u(const char *file)
       }
    }
 
-   fclose(f);
+   fclose(fp);
    return (disk_count != 0);
 }
 
@@ -1744,9 +1744,20 @@ static void update_variables(bool in_flight)
    if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
    {
       if (strcmp(var.value, "async") == 0)
+      {
          Config.AsyncCD = 1;
-      else
+         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
 
@@ -2121,8 +2132,6 @@ static void update_variables(bool in_flight)
          unsigned i;
          struct retro_core_option_display option_display;
          char gpu_peops_option[][50] = {
-            "pcsx_rearmed_multitap1",
-            "pcsx_rearmed_multitap2",
             "pcsx_rearmed_negcon_deadzone",
             "pcsx_rearmed_negcon_response",
             "pcsx_rearmed_analog_axis_modifier",
@@ -2559,17 +2568,15 @@ void retro_run(void)
 
 static bool try_use_bios(const char *path)
 {
-   FILE *f;
    long size;
    const char *name;
-
-   f = fopen(path, "rb");
-   if (f == NULL)
+   FILE *fp = fopen(path, "rb");
+   if (fp == NULL)
       return false;
 
-   fseek(f, 0, SEEK_END);
-   size = ftell(f);
-   fclose(f);
+   fseek(fp, 0, SEEK_END);
+   size = ftell(fp);
+   fclose(fp);
 
    if (size != 512 * 1024)
       return false;
@@ -2671,6 +2678,7 @@ static void loadPSXBios(void)
    unsigned useHLE = 0;
 
    const char *bios[] = {
+      "PS1_ROM", "ps1_rom",
       "PSXONPSP660", "psxonpsp660",
       "SCPH101", "scph101",
       "SCPH5501", "scph5501",
@@ -2715,11 +2723,19 @@ static void loadPSXBios(void)
       }
    }
 
-   if (useHLE || !found_bios)
+   if (!found_bios)
    {
-      const char *msg_str = "No PlayStation BIOS file found - add for better compatibility";
-
-      SysPrintf("no BIOS files found.\n");
+      const char *msg_str;
+      if (useHLE)
+      {
+         msg_str = "BIOS set to \'hle\' in core options - real BIOS will be ignored";
+         SysPrintf("Using HLE BIOS.\n");
+      }
+      else
+      {
+         msg_str = "No PlayStation BIOS file found - add for better compatibility";
+         SysPrintf("No BIOS files found.\n");
+      }
 
       if (msg_interface_version >= 1)
       {
@@ -2754,7 +2770,7 @@ void retro_init(void)
    msg_interface_version = 0;
    environ_cb(RETRO_ENVIRONMENT_GET_MESSAGE_INTERFACE_VERSION, &msg_interface_version);
 
-#ifdef __MACH__
+#if defined(__MACH__) && !defined(TVOS)
    // magic sauce to make the dynarec work on iOS
    syscall(SYS_ptrace, 0 /*PTRACE_TRACEME*/, 0, 0, 0);
 #endif