libretro: adjust indentation style

[pcsx_rearmed.git] / frontend / libretro.c

diff --git a/frontend/libretro.c b/frontend/libretro.c
index 103ee8e..09e833b 100644 (file)
--- a/frontend/libretro.c
+++ b/frontend/libretro.c
@@ -37,6 +37,7 @@ static void *vout_buf;
 static int vout_width, vout_height;
 static int vout_doffs_old, vout_fb_dirty;
 static bool vout_can_dupe;
+static bool duping_enable;
 
 static int samples_sent, samples_to_send;
 static int plugins_opened;
@@ -242,11 +243,16 @@ 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" },
+      { "pad1type", "Pad 1 Type; standard|analog" },
+#ifndef DRC_DISABLE
+      { "rearmed_drc", "Dynamic recompiler; enabled|disabled" },
+#endif
 #ifdef __ARM_NEON__
       { "neon_interlace_enable", "Enable interlacing mode(s); disabled|enabled" },
       { "neon_enhancement_enable", "Enhanced resolution (slow); disabled|enabled" },
       { "neon_enhancement_no_main", "Enhanced resolution speed hack; disabled|enabled" },
 #endif
+      { "pcsx_rearmed_duping_enable", "Frame duping; on|off" },
       { NULL, NULL },
    };
 
@@ -785,6 +791,17 @@ static void update_variables(bool in_flight)
       else if (strcmp(var.value, "PAL") == 0)
          Config.PsxType = 1;
    }
+
+   var.value = NULL;
+   var.key = "pad1type";
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      in_type1 = PSE_PAD_TYPE_STANDARD;
+      if (strcmp(var.value, "analog") == 0)
+         in_type1 = PSE_PAD_TYPE_ANALOGPAD;
+   }
+
 #ifdef __ARM_NEON__
    var.value = "NULL";
    var.key = "neon_interlace_enable";
@@ -820,17 +837,50 @@ static void update_variables(bool in_flight)
    }
 #endif
 
-       if (in_flight) {
-               // inform core things about possible config changes
-               plugin_call_rearmed_cbs();
+   var.value = "NULL";
+   var.key = "pcsx_rearmed_duping_enable";
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      if (strcmp(var.value, "off") == 0)
+         duping_enable = false;
+      else if (strcmp(var.value, "on") == 0)
+         duping_enable = true;
+   }
 
-               if (GPU_open != NULL && GPU_close != NULL) {
-                       GPU_close();
-                       GPU_open(&gpuDisp, "PCSX", NULL);
-               }
+#ifndef DRC_DISABLE
+   var.value = NULL;
+   var.key = "rearmed_drc";
 
-               dfinput_activate();
-       }
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      R3000Acpu *prev_cpu = psxCpu;
+
+      if (strcmp(var.value, "disabled") == 0)
+         Config.Cpu = CPU_INTERPRETER;
+      else if (strcmp(var.value, "enabled") == 0)
+         Config.Cpu = CPU_DYNAREC;
+
+      psxCpu = (Config.Cpu == CPU_INTERPRETER) ? &psxInt : &psxRec;
+      if (psxCpu != prev_cpu) {
+         prev_cpu->Shutdown();
+         psxCpu->Init();
+         psxCpu->Reset(); // not really a reset..
+      }
+   }
+#endif
+
+   if (in_flight) {
+      // inform core things about possible config changes
+      plugin_call_rearmed_cbs();
+
+      if (GPU_open != NULL && GPU_close != NULL) {
+         GPU_close();
+         GPU_open(&gpuDisp, "PCSX", NULL);
+      }
+
+      dfinput_activate();
+   }
 }
 
 void retro_run(void) 
@@ -852,12 +902,20 @@ void retro_run(void)
                if (input_state_cb(0, RETRO_DEVICE_JOYPAD, 0, i))
                        in_keystate |= retro_psx_map[i];
 
+       if (in_type1 == PSE_PAD_TYPE_ANALOGPAD)
+       {
+               in_a1[0] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X) / 256) + 128;
+               in_a1[1] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / 256) + 128;
+               in_a2[0] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X) / 256) + 128;
+               in_a2[1] = (input_state_cb(0, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y) / 256) + 128;
+       }
+
        stop = 0;
        psxCpu->Execute();
 
        samples_to_send += is_pal_mode ? 44100 / 50 : 44100 / 60;
 
-       video_cb((vout_fb_dirty || !vout_can_dupe) ? vout_buf : NULL,
+       video_cb((vout_fb_dirty || !vout_can_dupe || !duping_enable) ? vout_buf : NULL,
                vout_width, vout_height, vout_width * 2);
        vout_fb_dirty = 0;
 }
@@ -916,6 +974,12 @@ static bool find_any_bios(const char *dirpath, char *path, size_t path_size)
 #define find_any_bios(...) false
 #endif
 
+static void check_system_specs(void)
+{
+   unsigned level = 6;
+   environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
+}
+
 void retro_init(void)
 {
        const char *bios[] = { "scph1001", "scph5501", "scph7001" };
@@ -931,7 +995,11 @@ void retro_init(void)
                exit(1);
        }
 
+#if defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L)
+       posix_memalign(&vout_buf, 16, VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
+#else
        vout_buf = malloc(VOUT_MAX_WIDTH * VOUT_MAX_HEIGHT * 2);
+#endif
 
        if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
        {
@@ -987,6 +1055,7 @@ void retro_init(void)
        SaveFuncs.close = save_close;
 
        update_variables(false);
+       check_system_specs();
 }
 
 void retro_deinit(void)