Merge pull request #157 from webgeek1234/master

[pcsx_rearmed.git] / frontend / libretro.c

diff --git a/frontend/libretro.c b/frontend/libretro.c
index ee29a9b..4527f86 100644 (file)
--- a/frontend/libretro.c
+++ b/frontend/libretro.c
@@ -39,6 +39,10 @@
 
 #define PORTS_NUMBER 8
 
+#ifndef MIN
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+#endif
+
 #define ISHEXDEC ((buf[cursor]>='0') && (buf[cursor]<='9')) || ((buf[cursor]>='a') && (buf[cursor]<='f')) || ((buf[cursor]>='A') && (buf[cursor]<='F'))
 
 //hack to prevent retroarch freezing when reseting in the menu but not while running with the hot key
@@ -443,6 +447,7 @@ void retro_set_environment(retro_environment_t cb)
       { "pcsx_rearmed_multitap1", "Multitap 1; auto|disabled|enabled" },
       { "pcsx_rearmed_multitap2", "Multitap 2; auto|disabled|enabled" },
       { "pcsx_rearmed_vibration", "Enable Vibration; enabled|disabled" },
+      { "pcsx_rearmed_dithering", "Enable Dithering; enabled|disabled" },
 #ifndef DRC_DISABLE
       { "pcsx_rearmed_drc", "Dynamic recompiler; enabled|disabled" },
 #endif
@@ -1354,6 +1359,27 @@ static void update_variables(bool in_flight)
          in_enable_vibration = 1;
    }
 
+   var.value = NULL;
+   var.key = "pcsx_rearmed_dithering";
+
+   if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) || var.value)
+   {
+      if (strcmp(var.value, "disabled") == 0) {
+         pl_rearmed_cbs.gpu_peops.iUseDither = 0;
+         pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 0;
+#ifdef __ARM_NEON__
+         pl_rearmed_cbs.gpu_neon.allow_dithering = 0;
+#endif
+      }
+      else if (strcmp(var.value, "enabled") == 0) {
+         pl_rearmed_cbs.gpu_peops.iUseDither = 1;
+         pl_rearmed_cbs.gpu_peopsgl.bDrawDither = 1;
+#ifdef __ARM_NEON__
+         pl_rearmed_cbs.gpu_neon.allow_dithering = 1;
+#endif
+      }
+   }
+
 #ifdef __ARM_NEON__
    var.value = "NULL";
    var.key = "pcsx_rearmed_neon_interlace_enable";
@@ -1502,11 +1528,6 @@ static void update_variables(bool in_flight)
    }
 }
 
-static int min(int a, int b)
-{
-    return a < b ? a : b;
-}
-
 void retro_run(void)
 {
     int i;
@@ -1537,10 +1558,10 @@ void retro_run(void)
 
                if (in_type[i] == PSE_PAD_TYPE_ANALOGPAD)
                {
-                       in_analog_left[i][0] = min((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X) / 255) + 128, 255);
-                       in_analog_left[i][1] = min((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / 255) + 128, 255);
-                       in_analog_right[i][0] = min((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X) / 255) + 128, 255);
-                       in_analog_right[i][1] = min((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y) / 255) + 128, 255);
+                       in_analog_left[i][0] = MIN((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X) / 255) + 128, 255);
+                       in_analog_left[i][1] = MIN((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / 255) + 128, 255);
+                       in_analog_right[i][0] = MIN((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_X) / 255) + 128, 255);
+                       in_analog_right[i][1] = MIN((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y) / 255) + 128, 255);
                }
        }
 
@@ -1614,7 +1635,7 @@ static void check_system_specs(void)
 
 void retro_init(void)
 {
-       const char *bios[] = { "scph1001", "scph5501", "scph7001" };
+       const char *bios[] = { "SCPH101", "SCPH7001", "SCPH5501", "SCPH1001" };
        const char *dir;
        char path[256];
        int i, ret;
@@ -1681,7 +1702,7 @@ void retro_init(void)
                SysPrintf("no BIOS files found.\n");
                struct retro_message msg =
                {
-                       "no BIOS found, expect bugs!",
+                       "No PlayStation BIOS file found - add for better compatibility",
                        180
                };
                environ_cb(RETRO_ENVIRONMENT_SET_MESSAGE, (void*)&msg);