[renderer] Allow render config to be specified

The config is a pre-parsed property list. Currently unsupported by
anything but Vulkan (but only a warning is given, not a hard error at
this stage), and Vulkan doesn't use it yet.

include/QF/plugin/vid_render.h

@@ -117,7 +117,7 @@ typedef struct vid_render_funcs_s {
 
 	struct psystem_s *(*ParticleSystem) (void);
 	struct psystem_s *(*TrailSystem) (void);
-	void (*R_Init) (void);
+	void (*R_Init) (struct plitem_s *config);
 	void (*R_ClearState) (void);
 	void (*R_LoadSkys) (const char *);
 	void (*R_NewScene) (struct scene_s *scene);

include/QF/render.h

@@ -187,7 +187,8 @@ typedef struct {
 
 extern	struct texture_s	*r_notexture_mip;
 
-void R_Init (void);
+struct plitem_s;
+void R_Init (struct plitem_s *config);
 struct vid_internal_s;
 void R_LoadModule (struct vid_internal_s *vid_internal);
 struct progs_s;
@@ -195,7 +196,6 @@ void R_Progs_Init (struct progs_s *pr);
 
 void Fog_Update (float density, float red, float green, float blue,
 				 float time);
-struct plitem_s;
 void Fog_ParseWorldspawn (struct plitem_s *worldspawn);
 
 vec4f_t Fog_Get (void) __attribute__((pure));

include/r_internal.h

@@ -27,10 +27,10 @@ extern int r_viewsize;
 void R_LineGraph (int x, int y, int *h_vals, int count, int height);
 
 
-void gl_R_Init (void);
-void glsl_R_Init (void);
+void gl_R_Init (struct plitem_s *config);
+void glsl_R_Init (struct plitem_s *config);
 void glsl_R_Shutdown (void);
-void sw_R_Init (void);
+void sw_R_Init (struct plitem_s *config);
 void R_RenderFrame (SCR_Func *scr_funcs);
 void R_Init_Cvars (void);
 void R_InitEfrags (void);

libs/video/renderer/gl/gl_rmisc.c

@@ -115,8 +115,11 @@ gl_R_TimeRefresh_f (void)
 }
 
 void
-gl_R_Init (void)
+gl_R_Init (struct plitem_s *config)
 {
+	if (config) {
+		Sys_Printf (ONG"WARNING"DFL": gl_R_Init: render config ignored\n");
+	}
 	r_notexture_mip->render = &gl_notexture;
 
 	R_Init_Cvars ();

libs/video/renderer/glsl/glsl_main.c

@@ -174,8 +174,11 @@ glsl_R_TimeRefresh_f (void)
 }
 
 void
-glsl_R_Init (void)
+glsl_R_Init (struct plitem_s *config)
 {
+	if (config) {
+		Sys_Printf (ONG"WARNING"DFL": glsl_R_Init: render config ignored\n");
+	}
 	Cmd_AddCommand ("timerefresh", glsl_R_TimeRefresh_f,
 					"Test the current refresh rate for the current location.");
 	R_Init_Cvars ();

libs/video/renderer/r_init.c

@@ -101,10 +101,10 @@ R_LoadModule (vid_internal_t *vid_internal)
 }
 
 VISIBLE void
-R_Init (void)
+R_Init (struct plitem_s *config)
 {
 	qfZoneScoped (true);
-	r_funcs->R_Init ();
+	r_funcs->R_Init (config);
 	R_ClearEfrags ();	//FIXME force link of r_efrag.o for qwaq
 	Fog_Init ();
 	R_Trails_Init ();

libs/video/renderer/sw/sw_rmain.c

@@ -105,8 +105,11 @@ float       r_viewmatrix[3][4];
 float       r_aliastransition, r_resfudge;
 
 void
-sw_R_Init (void)
+sw_R_Init (struct plitem_s *config)
 {
+	if (config) {
+		Sys_Printf (ONG"WARNING"DFL": sw_R_Init: render config ignored\n");
+	}
 	int         dummy;
 
 	// get stack position so we can guess if we are going to overflow

libs/video/renderer/vid_render_vulkan.c

@@ -90,7 +90,7 @@ vulkan_ParticleSystem (void)
 }
 
 static void
-vulkan_R_Init (void)
+vulkan_R_Init (struct plitem_s *config)
 {
 	QFV_Render_Init (vulkan_ctx);
 

nq/source/cl_main.c

@@ -735,7 +735,7 @@ CL_Init (cbuf_t *cbuf)
 	VID_Init (basepal, colormap);
 	IN_Init ();
 	GIB_Key_Init ();
-	R_Init ();
+	R_Init (nullptr);
 	r_data->lightstyle = cl.lightstyle;
 	S_Init (&cl.viewentity, &host_frametime);
 	Font_Init ();	//FIXME not here

qw/source/cl_main.c

@@ -1472,7 +1472,7 @@ CL_Init (void)
 	VID_Init (basepal, colormap);
 	IN_Init ();
 	Mod_Init ();
-	R_Init ();
+	R_Init (nullptr);
 	r_data->lightstyle = cl.lightstyle;
 	Font_Init ();	//FIXME not here
 

ruamoko/qwaq/builtins/graphics.c

@@ -383,7 +383,7 @@ BI_Graphics_Init (progs_t *pr)
 	VID_Init (default_palette[0], default_colormap);
 	IN_Init ();
 	Mod_Init ();
-	R_Init ();
+	R_Init (nullptr);
 	Font_Init ();
 
 	R_Progs_Init (pr);