1 files changed, 103 insertions, 0 deletions
diff --git a/games-emulation/snes9x/files/snes9x-1.51-opengl.patch b/games-emulation/snes9x/files/snes9x-1.51-opengl.patch
new file mode 100644
index 000000000000..d451f34a544e
--- /dev/null
+++ b/games-emulation/snes9x/files/snes9x-1.51-opengl.patch
@@ -0,0 +1,103 @@
+--- snes9x-1.51-src/gfx.h
++++ snes9x-1.51-src/gfx.h
+@@ -331,7 +331,7 @@
+ 
+ inline uint16 COLOR_SUB(uint16 C1, uint16 C2)
+ {
+-	uint16	mC1, mC2, v = 0;
++	uint16	mC1, mC2, v = ALPHA_BITS_MASK;
+ 
+ 	mC1 = C1 & FIRST_COLOR_MASK;
+ 	mC2 = C2 & FIRST_COLOR_MASK;
+--- snes9x-1.51-src/unix/opengl.cpp
++++ snes9x-1.51-src/unix/opengl.cpp
+@@ -233,14 +233,14 @@
+ 
+ 	// Strip dots from the version string
+ 	char *ptr;
+-	while (ptr = strchr (ver, '.'))
++	while ( (ptr = strchr (ver, '.')) != 0)
+ 	    memmove (ptr, ptr + 1, strlen (ptr + 1) + 1);
+ 
+-	// Pad the string with zeros to 4 digits
+-	while (strlen (ver) < 4)
+-	    strcat (ver, "0");
+-
+ 	OpenGL.version = atoi (ver);
++
++	// Pad the number with zeros to 4 digits
++	while (OpenGL.version < 1000)
++	    OpenGL.version *= 10;
+     }
+     else
+ 	OpenGL.version = 1100;
+@@ -400,7 +400,7 @@
+                 int i = 0;
+                 for (uint32 y = 0; y < pheight; y++)
+                 {
+-                    uint16 *ptr = (uint16 *) (GFX.Screen + (y + startl) * GFX.Pitch) + startx;
++                    uint16 *ptr = (uint16 *) (GFX.Screen + (y + startl) * GFX.Pitch/2) + startx;
+                     for (uint32 x = 0; x < pwidth; x++)
+                     {
+                         int color = *ptr++;
+@@ -418,7 +418,7 @@
+ 		for (uint32 y = 0; y < pheight; y++)
+ 		{
+ 		    memmove (basetexbuffer + sizeof (uint16) * texture_size * y,
+-			     (GFX.Screen + (y + startl) * GFX.Pitch) + startx,
++			     (GFX.Screen + (y + startl) * GFX.Pitch/2) + startx,
+ 			     sizeof (uint16) * texture_size);
+ 		}
+ 		data = basetexbuffer;
+--- snes9x-1.51-src/unix/x11.cpp
++++ snes9x-1.51-src/unix/x11.cpp
+@@ -572,15 +572,29 @@
+     }
+     delete[] color_diff;
+ 
++    GUI.cmap = XCreateColormap (GUI.display, RootWindowOfScreen (GUI.screen),
++    				GUI.visual, GUI.pseudo ? AllocAll : AllocNone);
++    if (GUI.pseudo)
++    {
++	for (i = 0; i < 256; i++)
++	{
++	    GUI.colors[i].red = GUI.colors[i].green = GUI.colors[i].blue = 0;
++	    GUI.colors[i].pixel = i;
++	    GUI.colors[i].flags = DoRed | DoGreen | DoBlue;
++	}
++	XStoreColors (GUI.display, GUI.cmap, GUI.colors, 256);
++    }
++
+     XSetWindowAttributes attrib;
+ 
+     attrib.background_pixel = BlackPixelOfScreen (GUI.screen);
++    attrib.colormap = GUI.cmap;
+     GUI.window = XCreateWindow (GUI.display, RootWindowOfScreen (GUI.screen),
+ 				(WidthOfScreen(GUI.screen) - GUI.window_width) / 2,
+ 				(HeightOfScreen(GUI.screen) - GUI.window_height) / 2,
+ 				GUI.window_width, GUI.window_height, 0,
+ 				GUI.depth, InputOutput, GUI.visual,
+-				CWBackPixel, &attrib);
++				CWBackPixel | CWColormap, &attrib);
+ 
+ #ifdef USE_DGA_EXTENSION
+     CreateFullScreenWindow ();
+@@ -625,18 +639,6 @@
+ 		      ButtonPressMask | ButtonReleaseMask);
+ #endif
+ 
+-    if (GUI.pseudo)
+-    {
+-	GUI.cmap = XCreateColormap (GUI.display, GUI.window, GUI.visual, True);
+-	XSetWindowColormap (GUI.display, GUI.window, GUI.cmap);
+-	for (i = 0; i < 256; i++)
+-	{
+-	    GUI.colors[i].red = GUI.colors[i].green = GUI.colors[i].blue = 0;
+-	    GUI.colors[i].pixel = i;
+-	    GUI.colors[i].flags = DoRed | DoGreen | DoBlue;
+-	}
+-	XStoreColors (GUI.display, GUI.cmap, GUI.colors, 256);
+-    }
+     XMapRaised (GUI.display, GUI.window);
+     XClearWindow (GUI.display, GUI.window);
+     SetupImage ();