Move VID_ShiftPalette from all the driver files to vid_common_sw.c

Do the palette gamma correction inside VID_UpdateGamma (fixes sw palette gamma)

libs/video/targets/vid.c

@@ -147,10 +147,15 @@ VID_UpdateGamma (cvar_t *vid_gamma)
 		VID_BuildGammaTable (1.0);	// hardware gamma wants a linear palette
 		VID_SetGamma (gamma);
 	} else {	// We have to hack the palette
+		int i;
+		byte pal[768];
 		Con_DPrintf ("Setting software gamma to %g\n", gamma);
 		VID_BuildGammaTable (gamma);
-		if (vid.initialized)
-			VID_SetPalette (vid_basepal); // update with the new palette
+		if (vid.initialized) {
+			for (i = 0; i < sizeof (pal); i++)
+				pal[i] = gammatable[vid_basepal[i]];
+			VID_SetPalette (pal); // update with the new palette
+		}
 	}
 }
 

libs/video/targets/vid_common_gl.c

@@ -152,9 +152,9 @@ VID_SetPalette (unsigned char *palette)
 	pal = palette;
 	table = d_8to24table;
 	for (i = 0; i < 255; i++) { // used to be i<256, see d_8to24table below
-		r = gammatable[pal[0]];
-		g = gammatable[pal[1]];
-		b = gammatable[pal[2]];
+		r = pal[0];
+		g = pal[1];
+		b = pal[2];
 		pal += 3;
 
 #ifdef WORDS_BIGENDIAN

libs/video/targets/vid_common_sw.c

@@ -95,3 +95,9 @@ VID_InitBuffers (void)
 	if (vid.init_caches)
 		vid.init_caches (vid.surfcache, cachesize);
 }
+
+void
+VID_ShiftPalette (unsigned char *p)
+{
+	VID_SetPalette (p);
+}

libs/video/targets/vid_dos.c

@@ -306,19 +306,6 @@ VID_SetPalette (unsigned char *palette)
 }
 
 
-/*
-================
-VID_ShiftPalette
-================
-*/
-void
-VID_ShiftPalette (unsigned char *palette)
-{
-
-	VID_SetPalette (palette);
-}
-
-
 /*
 ================
 VID_Shutdown

libs/video/targets/vid_fbdev.c

@@ -298,13 +298,6 @@ VID_Shutdown (void)
 	fbdev_inited = 0;
 }
 
-
-void
-VID_ShiftPalette (unsigned char *p)
-{
-	VID_SetPalette (p);
-}
-
 static void
 loadpalette (unsigned short *red, unsigned short *green, unsigned short *blue)
 {

libs/video/targets/vid_mgl.c

@@ -1804,13 +1804,6 @@ VID_SetPalette (unsigned char *palette)
 }
 
 
-void
-VID_ShiftPalette (unsigned char *palette)
-{
-	VID_SetPalette (palette);
-}
-
-
 /*
 	VID_DescribeCurrentMode_f
 */

libs/video/targets/vid_null.c

@@ -48,11 +48,6 @@ VID_SetPalette (unsigned char *palette)
 {
 }
 
-void
-VID_ShiftPalette (unsigned char *palette)
-{
-}
-
 void
 VID_Init (unsigned char *palette)
 {

libs/video/targets/vid_sdl.c

@@ -86,12 +86,6 @@ VID_SetPalette (unsigned char *palette)
 	SDL_SetColors (screen, colors, 0, 256);
 }
 
-void
-VID_ShiftPalette (unsigned char *palette)
-{
-	VID_SetPalette (palette);
-}
-
 void
 VID_Init (unsigned char *palette)
 {

libs/video/targets/vid_sunx.c

@@ -816,12 +816,6 @@ VID_Init (unsigned char *palette)
 	vid.initialized = true;
 }
 
-void
-VID_ShiftPalette (unsigned char *p)
-{
-	VID_SetPalette (p);
-}
-
 void
 VID_SetPalette (unsigned char *palette)
 {

libs/video/targets/vid_sunxil.c

@@ -694,12 +694,6 @@ VID_ResetFramebuffer_MT ()
 		malloc (PM (vid.width) * PM (vid.height) * sizeof (*d_pzbuffer));
 }
 
-void
-VID_ShiftPalette (unsigned char *p)
-{
-	VID_SetPalette (p);
-}
-
 void
 VID_SetPalette (unsigned char *palette)
 {

libs/video/targets/vid_svgalib.c

@@ -336,13 +336,6 @@ VID_Shutdown (void)
 }
 
 
-void
-VID_ShiftPalette (unsigned char *p)
-{
-	VID_SetPalette (p);
-}
-
-
 void
 VID_SetPalette (byte * palette)
 {

libs/video/targets/vid_wgl.c

@@ -497,11 +497,6 @@ GL_EndRendering (void)
 		Sbar_Changed ();
 }
 
-void
-VID_ShiftPalette (unsigned char *palette)
-{
-}
-
 void
 VID_SetDefaultMode (void)
 {

libs/video/targets/vid_x11.c

@@ -561,13 +561,6 @@ VID_Init_Cvars ()
 }
 
 
-void
-VID_ShiftPalette (unsigned char *p)
-{
-	VID_SetPalette (p);
-}
-
-
 void
 VID_SetPalette (unsigned char *palette)
 {