X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?p=pcsx_rearmed.git;a=blobdiff_plain;f=frontend%2Fplugin_lib.c;h=484d67bffe738206a0da295658504ab7fde1c723;hp=1a925ec498de119c5bc31b872687e258683f4939;hb=a2ad8cc5a68892c8ae7d1964f4081f755654d325;hpb=ddc0a02a811034532a8e013c14091b61a89439ba

diff --git a/frontend/plugin_lib.c b/frontend/plugin_lib.c
index 1a925ec4..484d67bf 100644
--- a/frontend/plugin_lib.c
+++ b/frontend/plugin_lib.c
@@ -21,6 +21,7 @@
 #include "linux/fbdev.h"
 #include "common/fonts.h"
 #include "common/input.h"
+#include "common/plat.h"
 #include "menu.h"
 #include "main.h"
 #include "plat.h"
@@ -132,6 +133,58 @@ void pl_print_hud(int xborder)
 		print_cpu_usage(w, h, xborder);
 }
 
+/* update scaler target size according to user settings */
+static void update_layer_size(int w, int h)
+{
+	float mult;
+	int imult;
+
+	switch (g_scaler) {
+	case SCALE_1_1:
+		g_layer_w = w; g_layer_h = h;
+		break;
+
+	case SCALE_4_3v2:
+		if (h > g_menuscreen_h || (240 < h && h <= 360))
+			goto fractional_4_3;
+
+		// 4:3 that prefers integer scaling
+		imult = g_menuscreen_h / h;
+		g_layer_w = w * imult;
+		g_layer_h = h * imult;
+		mult = (float)g_layer_w / (float)g_layer_h;
+		if (mult < 1.25f || mult > 1.666f)
+			g_layer_w = 4.0f/3.0f * (float)g_layer_h;
+		printf("  -> %dx%d %.1f\n", g_layer_w, g_layer_h, mult);
+		break;
+
+	fractional_4_3:
+	case SCALE_4_3:
+		mult = 240.0f / (float)h * 4.0f / 3.0f;
+		if (h > 256)
+			mult *= 2.0f;
+		g_layer_w = mult * (float)g_menuscreen_h;
+		g_layer_h = g_menuscreen_h;
+		printf("  -> %dx%d %.1f\n", g_layer_w, g_layer_h, mult);
+		break;
+
+	case SCALE_FULLSCREEN:
+		g_layer_w = g_menuscreen_w;
+		g_layer_h = g_menuscreen_h;
+		break;
+
+	default:
+		break;
+	}
+
+	g_layer_x = g_menuscreen_w / 2 - g_layer_w / 2;
+	g_layer_y = g_menuscreen_h / 2 - g_layer_h / 2;
+	if (g_layer_x < 0) g_layer_x = 0;
+	if (g_layer_y < 0) g_layer_y = 0;
+	if (g_layer_w > g_menuscreen_w) g_layer_w = g_menuscreen_w;
+	if (g_layer_h > g_menuscreen_h) g_layer_h = g_menuscreen_h;
+}
+
 static void *pl_vout_set_mode(int w, int h, int bpp)
 {
 	// special h handling, Wipeout likes to change it by 1-6
@@ -147,6 +200,8 @@ static void *pl_vout_set_mode(int w, int h, int bpp)
 	pl_vout_h = psx_h = h;
 	pl_vout_bpp = psx_bpp = bpp;
 
+	update_layer_size(pl_vout_w, pl_vout_h);
+
 	pl_vout_buf = plat_gvideo_set_mode(&pl_vout_w, &pl_vout_h, &pl_vout_bpp);
 	if (pl_vout_buf == NULL && pl_rearmed_cbs.pl_vout_raw_flip == NULL)
 		fprintf(stderr, "failed to set mode %dx%d@%d\n",
@@ -430,12 +485,24 @@ static void pl_get_layer_pos(int *x, int *y, int *w, int *h)
 	*h = g_layer_h;
 }
 
+static void *pl_mmap(unsigned int size)
+{
+	return plat_mmap(0, size, 0, 0);
+}
+
+static void pl_munmap(void *ptr, unsigned int size)
+{
+	plat_munmap(ptr, size);
+}
+
 struct rearmed_cbs pl_rearmed_cbs = {
 	pl_get_layer_pos,
 	pl_vout_open,
 	pl_vout_set_mode,
 	pl_vout_flip,
 	pl_vout_close,
+	pl_mmap,
+	pl_munmap,
 };
 
 /* watchdog */