renders: skip unused colormap allocation

src/client/refresh/gl1/gl1_main.c

@@ -1416,7 +1416,6 @@ qboolean
 RI_Init(void)
 {
 	int j, max_tex_size;
-	byte *colormap;
 	extern float r_turbsin[256];
 
 	Swap_Init();
@@ -1433,9 +1432,8 @@ RI_Init(void)
 	R_Printf(PRINT_ALL, "ref_gl1::R_Init() - DEBUG mode enabled\n");
 #endif
 
-	ri.VID_GetPalette(&colormap, d_8to24table);
+	ri.VID_GetPalette(NULL, d_8to24table);
 	ri.VID_GetPalette24to8((byte *)d_8to24table, &gl_state.d_16to8table);
-	free(colormap);
 
 	R_Register();
 

src/client/refresh/gl3/gl3_main.c

@@ -486,8 +486,6 @@ enum { QGL_POINT_SPRITE = 0x8861 };
 static qboolean
 GL3_Init(void)
 {
-	byte *colormap;
-
 	Swap_Init(); // FIXME: for fucks sake, this doesn't have to be done at runtime!
 
 	R_Printf(PRINT_ALL, "Refresh: " REF_VERSION "\n");
@@ -502,8 +500,7 @@ GL3_Init(void)
 		return false;
 	}
 
-	ri.VID_GetPalette(&colormap, d_8to24table);
-	free(colormap);
+	ri.VID_GetPalette(NULL, d_8to24table);
 
 	GL3_Register();
 

src/client/refresh/gl4/gl4_main.c

@@ -482,8 +482,6 @@ enum { QGL_POINT_SPRITE = 0x8861 };
 static qboolean
 GL4_Init(void)
 {
-	byte *colormap;
-
 	Swap_Init(); // FIXME: for fucks sake, this doesn't have to be done at runtime!
 
 	R_Printf(PRINT_ALL, "Refresh: " REF_VERSION "\n");
@@ -498,8 +496,7 @@ GL4_Init(void)
 		return false;
 	}
 
-	ri.VID_GetPalette(&colormap, d_8to24table);
-	free(colormap);
+	ri.VID_GetPalette(NULL, d_8to24table);
 
 	GL4_Register();
 

src/client/refresh/vk/vk_image.c

@@ -1353,7 +1353,6 @@ void	Vk_InitImages (void)
 {
 	int	i;
 	float	overbright;
-	byte	*colormap;
 
 	numvktextures = 0;
 	img_loaded = 0;
@@ -1378,8 +1377,7 @@ void	Vk_InitImages (void)
 		intensitytable[i] = j;
 	}
 
-	ri.VID_GetPalette(&colormap, d_8to24table);
-	free(colormap);
+	ri.VID_GetPalette(NULL, d_8to24table);
 
 	overbright = vk_overbrightbits->value;
 

src/client/vid/image.c

@@ -487,8 +487,11 @@ VID_GetPalette(byte **colormap, unsigned *d_8to24table)
 		return;
 	}
 
-	*colormap = malloc(256 * 320);
-	memcpy(*colormap, colormap_cache, 256 * 320);
+	if (colormap)
+	{
+		*colormap = malloc(256 * 320);
+		memcpy(*colormap, colormap_cache, 256 * 320);
+	}
 	memcpy(d_8to24table, d_8to24table_cache, sizeof(d_8to24table_cache));
 }