gpulib: add a "borderless" option to restore old behavior

notaz · Oct 24, 2023 · 8f8ade9 · 8f8ade9
1 parent af16a7a
commit 8f8ade9
Show file tree

Hide file tree

Showing 6 changed files with 23 additions and 12 deletions.
diff --git a/frontend/libretro.c b/frontend/libretro.c
@@ -2293,8 +2293,10 @@ static void update_variables(bool in_flight)
    {
       if (strcmp(var.value, "game") == 0)
          pl_rearmed_cbs.screen_centering_type = 1;
-      else if (strcmp(var.value, "manual") == 0)
+      else if (strcmp(var.value, "borderless") == 0)
          pl_rearmed_cbs.screen_centering_type = 2;
+      else if (strcmp(var.value, "manual") == 0)
+         pl_rearmed_cbs.screen_centering_type = 3;
       else // auto
          pl_rearmed_cbs.screen_centering_type = 0;
    }

diff --git a/frontend/libretro_core_options.h b/frontend/libretro_core_options.h
@@ -439,12 +439,13 @@ struct retro_core_option_v2_definition option_defs_us[] = {
       "pcsx_rearmed_screen_centering",
       "(GPU) Screen centering",
       NULL,
-      "The PSX has a feature allowing it to shift the image position on screen. Some (mostly PAL) games used this feature in a strange way making the image miscentered and causing borders to appear. With 'Auto' the emulator tries to correct this miscentering automatically. 'Game-controlled' uses the settings supplied by the game. 'Manual' allows to override those values with the settings below.",
+      "The PSX has a feature allowing it to shift the image position on screen. Some (mostly PAL) games used this feature in a strange way making the image miscentered and causing uneven borders to appear. With 'Auto' the emulator tries to correct this miscentering automatically. 'Game-controlled' uses the settings supplied by the game. 'Manual' allows to override those values with the settings below.",
       NULL,
       "video",
       {
          { "auto", "Auto" },
          { "game", "Game-controlled" },
+         { "borderless", "Borderless" },
          { "manual", "Manual" },
          { NULL, NULL },
       },

diff --git a/frontend/menu.c b/frontend/menu.c
@@ -1266,7 +1266,7 @@ static const char *men_soft_filter[] = { "None",
 #endif
 	NULL };
 static const char *men_dummy[] = { NULL };
-static const char *men_centering[] = { "Auto", "Ingame", "Force", NULL };
+static const char *men_centering[] = { "Auto", "Ingame", "Borderless", "Force", NULL };
 static const char h_scaler[]    = "int. 2x  - scales w. or h. 2x if it fits on screen\n"
 				  "int. 4:3 - uses integer if possible, else fractional";
 static const char h_cscaler[]   = "Displays the scaler layer, you can resize it\n"

diff --git a/frontend/plugin_lib.h b/frontend/plugin_lib.h
@@ -114,13 +114,15 @@ struct rearmed_cbs {
 	} gpu_peopsgl;
 	// misc
 	int gpu_caps;
-	int screen_centering_type; // 0 - auto, 1 - game conrolled, 2 - manual
+	int screen_centering_type;
 	int screen_centering_x;
 	int screen_centering_y;
 };
 
 extern struct rearmed_cbs pl_rearmed_cbs;
 
+enum centering_type { C_AUTO = 0, C_INGAME, C_BORDERLESS, C_MANUAL };
+
 enum gpu_plugin_caps {
 	GPU_CAP_OWNS_DISPLAY = (1 << 0),
 	GPU_CAP_SUPPORTS_2X = (1 << 1),

diff --git a/plugins/gpulib/gpu.c b/plugins/gpulib/gpu.c
@@ -15,8 +15,11 @@
 
 #include "gpu.h"
 #include "../../libpcsxcore/gpu.h" // meh
+#include "../../frontend/plugin_lib.h"
 
+#ifndef ARRAY_SIZE
 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#endif
 #ifdef __GNUC__
 #define unlikely(x) __builtin_expect((x), 0)
 #define preload __builtin_prefetch
@@ -85,9 +88,9 @@ static noinline void update_width(void)
     sw /= hdiv;
     sw = (sw + 2) & ~3; // according to nocash
     switch (gpu.state.screen_centering_type) {
-    case 1:
+    case C_INGAME:
       break;
-    case 2:
+    case C_MANUAL:
       x = gpu.state.screen_centering_x;
       break;
     default:
@@ -129,9 +132,12 @@ static noinline void update_height(void)
     /* nothing displayed? */;
   else {
     switch (gpu.state.screen_centering_type) {
-    case 1:
+    case C_INGAME:
+      break;
+    case C_BORDERLESS:
+      y = 0;
       break;
-    case 2:
+    case C_MANUAL:
       y = gpu.state.screen_centering_y;
       break;
     default:
@@ -950,8 +956,6 @@ void GPUgetScreenInfo(int *y, int *base_hres)
     *base_hres >>= 1;
 }
 
-#include "../../frontend/plugin_lib.h"
-
 void GPUrearmedCallbacks(const struct rearmed_cbs *cbs)
 {
   gpu.frameskip.set = cbs->frameskip;

diff --git a/plugins/gpulib/vout_pl.c b/plugins/gpulib/vout_pl.c
@@ -29,9 +29,11 @@ static void check_mode_change(int force)
 {
   int w = gpu.screen.hres;
   int h = gpu.screen.vres;
-  int w_out = w;
-  int h_out = h;
+  int w_out, h_out;
 
+  if (gpu.state.screen_centering_type == C_BORDERLESS)
+    h = gpu.screen.h;
+  w_out = w, h_out = h;
 #ifdef RAW_FB_DISPLAY
   w = w_out = 1024, h = h_out = 512;
 #endif