Get global fog working in mtex mode.

libs/video/renderer/gl/gl_mod_alias.c

@@ -769,8 +769,10 @@ R_DrawAliasModel (entity_t *e)
 
 				qfglColor4fv (e->colormod);
 
-				qfglBindTexture (GL_TEXTURE_2D, fb_texture);								
+				qfglBindTexture (GL_TEXTURE_2D, fb_texture);
+				Fog_StartAdditive ();
 				GL_DrawAliasFrameTri (vo);
+				Fog_StopAdditive ();
 				
 				if (gl_vector_light->int_val) {
 					qfglEnable (GL_LIGHTING);
@@ -790,7 +792,9 @@ R_DrawAliasModel (entity_t *e)
 				qfglColor4fv (e->colormod);
 				
 				qfglBindTexture (GL_TEXTURE_2D, fb_texture);
+				Fog_StartAdditive ();
 				GL_DrawAliasFrame (vo);
+				Fog_StopAdditive ();
 				
 				if (gl_vector_light->int_val) {
 					qfglEnable (GL_LIGHTING);

libs/video/renderer/gl/gl_rmain.c

@@ -407,6 +407,8 @@ R_SetupFrame (void)
 
 	r_framecount++;
 
+	Fog_SetupFrame ();
+
 	// build the transformation matrix for the given view angles
 	VectorCopy (r_refdef.vieworg, r_origin);
 
@@ -524,6 +526,7 @@ R_RenderScene (void)
 
 	R_SetupFrame ();
 	R_SetupGL ();
+	Fog_EnableGFog ();
 	R_MarkLeaves ();			// done here so we know if we're in water
 	R_PushDlights (vec3_origin);
 	R_DrawWorld ();				// adds static entities to the list
@@ -531,6 +534,13 @@ R_RenderScene (void)
 	R_DrawEntitiesOnList ();
 	R_RenderDlights ();
 
+	R_DrawWaterSurfaces ();
+	R_DrawParticles ();
+
+	Fog_DisableGFog ();
+
+	R_DrawViewModel ();
+
 	if (R_TestErrors (0))
 		R_DisplayErrors ();
 	R_ClearErrors ();
@@ -628,9 +638,6 @@ R_RenderView_ (void)
 
 	// render normal view
 	R_RenderScene ();
-	R_DrawViewModel ();
-	R_DrawWaterSurfaces ();
-	R_DrawParticles ();
 
 	// render mirror view
 	R_Mirror ();

libs/video/renderer/gl/gl_rmisc.c

@@ -153,6 +153,7 @@ R_Init (void)
 	r_init = 1;
 	R_InitParticles ();
 	R_InitSprites ();
+	Fog_Init ();
 }
 
 VISIBLE void

libs/video/renderer/gl/gl_rsurf.c

@@ -638,10 +638,11 @@ test_node (mnode_t *node)
 static void
 R_RecursiveWorldNode (mnode_t *node)
 {
+#define NODE_STACK 1024
 	struct {
 		mnode_t    *node;
 		int         side;
-	}          *node_ptr, node_stack[1024];
+	}          *node_ptr, node_stack[NODE_STACK];
 	mnode_t    *front;
 	int         side;
 
@@ -652,8 +653,7 @@ R_RecursiveWorldNode (mnode_t *node)
 			side = get_side (node);
 			front = node->children[side];
 			if (test_node (front)) {
-				if (node_ptr - node_stack
-					== sizeof (node_stack) / sizeof (node_stack[0]))
+				if (node_ptr - node_stack == NODE_STACK)
 					Sys_Error ("node_stack overflow");
 				node_ptr->node = node;
 				node_ptr->side = side;