Index: Daodan/src/daodan_gl.c
===================================================================
--- Daodan/src/daodan_gl.c	(revision 297)
+++ Daodan/src/daodan_gl.c	(revision 316)
@@ -1,18 +1,40 @@
 #include "daodan_gl.h"
 
-#define maxmodes (104) // Dirty hack to add more resolutions, it really should only be 16 ^_^
+#define max_modes (104) // Dirty hack to add more resolutions, it really should only be 16 ^_^
+#define builtin_modes  (sizeof(daodan_reslist) / sizeof(M3tDisplayMode))
+#define builtin_depths (sizeof(daodan_resdepths) / sizeof(short))
 
 const M3tDisplayMode daodan_reslist[] = {
-	{ 640,  480,  0, 0 },
-	{ 800,  600,  0, 0 },
+	{ 720 , 480,  0, 0 },
+	{ 720 , 576,  0, 0 },
+	{ 768 , 480,  0, 0 },
+	{ 800 , 480,  0, 0 },
+	{ 852 , 480,  0, 0 },
+	{ 856 , 480,  0, 0 },
+	{ 960 , 540,  0, 0 },
+	{ 960 , 720,  0, 0 },
+	{ 1024, 576,  0, 0 },
+	{ 1024, 600,  0, 0 },
+	{ 1024, 640,  0, 0 },
 	{ 1024, 768,  0, 0 },
+	{ 1152, 768,  0, 0 },
+	{ 1152, 864,  0, 0 },
+	{ 1280, 720,  0, 0 },
+	{ 1280, 768,  0, 0 },
+	{ 1280, 800,  0, 0 },
+	{ 1280, 960,  0, 0 },
 	{ 1280, 1024, 0, 0 },
+	{ 1366, 768,  0, 0 },
+	{ 1400, 1050, 0, 0 },
+	{ 1440, 900,  0, 0 },
+	{ 1600, 900,  0, 0 },
 	{ 1600, 1200, 0, 0 },
 	{ 1920, 1080, 0, 0 },
+	{ 1920, 1440, 0, 0 },
 };
 
-const short daodan_resmodes[] = { 16, 32 };
+const short daodan_resdepths[] = { 16, 32 };
 
-unsigned int ONICALL daodan_enumerate_valid_display_modes(M3tDisplayMode modes[maxmodes])
+unsigned int ONICALL daodan_enumerate_valid_display_modes(M3tDisplayMode modes[max_modes])
 {
 	unsigned int vmodes = 0;
@@ -22,14 +44,22 @@
 	int i, j;
 	
-	for (i = 0; i < sizeof(daodan_resmodes) / sizeof(short); i ++)
+	for (i = 0; i < builtin_depths; i ++)
 	{
-		for (j = 0; j < sizeof(daodan_reslist) / sizeof(M3tDisplayMode); j ++)
-			if (modes[vmodes].Width != screen_x && modes[vmodes].Height != screen_y)
+		modes[vmodes].Width  = 640;
+		modes[vmodes].Height = 480;
+		modes[vmodes].Depth  = daodan_resdepths[i];
+		
+		if (++vmodes == max_modes - builtin_modes + i)
+			goto modesfull;
+		
+		for (j = 0; j < builtin_modes; j ++)
+			if (!(daodan_reslist[j].Width == 640 && daodan_reslist[j].Height == 480) && !(daodan_reslist[j].Width == screen_x && daodan_reslist[j].Height == screen_y) &&
+				((daodan_reslist[j].Width < screen_x && daodan_reslist[j].Height < screen_y) || daodan_testmode(daodan_reslist[j])))
 			{
 				modes[vmodes].Width  = daodan_reslist[j].Width;
 				modes[vmodes].Height = daodan_reslist[j].Height;
-				modes[vmodes].Depth  = daodan_resmodes[i];
+				modes[vmodes].Depth  = daodan_resdepths[i];
 				
-				if (++vmodes == maxmodes - sizeof(daodan_reslist) / sizeof(M3tDisplayMode) + i)
+				if (++vmodes == max_modes - builtin_modes + i)
 					goto modesfull;
 			}
@@ -37,6 +67,7 @@
 		modes[vmodes].Width  = GetSystemMetrics(SM_CXSCREEN);
 		modes[vmodes].Height = GetSystemMetrics(SM_CYSCREEN);
-		modes[vmodes].Depth  = daodan_resmodes[i];
-		if (++vmodes == maxmodes - sizeof(daodan_reslist) / sizeof(M3tDisplayMode) + i)
+		modes[vmodes].Depth  = daodan_resdepths[i];
+		
+		if (++vmodes == max_modes - builtin_modes + i)
 			goto modesfull;
 	}
@@ -45,2 +76,16 @@
 	return vmodes;
 }
+
+bool daodan_testmode(M3tDisplayMode mode)
+{
+	DEVMODE devmode;
+	memset(&devmode, 0, sizeof(devmode));
+	
+	devmode.dmSize = sizeof(devmode);
+	devmode.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT;
+	devmode.dmBitsPerPel = mode.Depth;
+	devmode.dmPelsWidth  = mode.Width;
+	devmode.dmPelsHeight = mode.Height;
+	
+	return (ChangeDisplaySettings(&devmode, CDS_TEST) == DISP_CHANGE_SUCCESSFUL);
+}
Index: Daodan/src/daodan_gl.h
===================================================================
--- Daodan/src/daodan_gl.h	(revision 297)
+++ Daodan/src/daodan_gl.h	(revision 316)
@@ -7,4 +7,5 @@
 
 unsigned int ONICALL daodan_enumerate_valid_display_modes(M3tDisplayMode modes[16]);
+bool daodan_testmode(M3tDisplayMode mode);
 
 #endif