nuclear@0: /* XXX this might become partly auto-generated in the future */
nuclear@0: #include <stdio.h>
nuclear@0: #include <stdlib.h>
nuclear@0: #include "vr_impl.h"
nuclear@0: 
nuclear@0: struct vr_module *vr_module_libovr(void);
nuclear@0: struct vr_module *vr_module_openhmd(void);
nuclear@0: struct vr_module *vr_module_null(void);
nuclear@0: 
nuclear@0: static struct vr_module *modules;
nuclear@0: static int num_modules, modules_max_size;
nuclear@0: 
nuclear@0: static int *active_modules;
nuclear@0: static int num_act_modules, act_modules_max_size;
nuclear@0: 
nuclear@0: 
nuclear@0: void vr_init_modules(void)
nuclear@0: {
nuclear@0: 	struct vr_module *m;
nuclear@0: 
nuclear@0: 	vr_clear_modules();
nuclear@0: 
nuclear@0: 	if((m = vr_module_libovr())) {
nuclear@0: 		vr_register_module(m);
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	if((m = vr_module_openhmd())) {
nuclear@0: 		vr_register_module(m);
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	if((m = vr_module_null())) {
nuclear@0: 		vr_register_module(m);
nuclear@0: 	}
nuclear@0: }
nuclear@0: 
nuclear@0: void vr_clear_modules(void)
nuclear@0: {
nuclear@0: 	free(modules);
nuclear@0: 	free(active_modules);
nuclear@0: 	modules = 0;
nuclear@0: 	num_modules = modules_max_size = 0;
nuclear@0: 	active_modules = 0;
nuclear@0: 	num_act_modules = act_modules_max_size = 0;
nuclear@0: }
nuclear@0: 
nuclear@0: void vr_register_module(struct vr_module *mod)
nuclear@0: {
nuclear@0: 	if(num_modules >= modules_max_size) {
nuclear@0: 		int newsz = modules_max_size ? modules_max_size * 2 : 2;
nuclear@0: 		struct vr_module *newmods = realloc(modules, newsz * sizeof *newmods);
nuclear@0: 		if(!newmods) {
nuclear@0: 			fprintf(stderr, "failed to resize modules array up to %d\n", newsz);
nuclear@0: 			return;
nuclear@0: 		}
nuclear@0: 		modules = newmods;
nuclear@0: 		modules_max_size = newsz;
nuclear@0: 	}
nuclear@0: 	modules[num_modules++] = *mod;
nuclear@0: }
nuclear@0: 
nuclear@0: int vr_get_num_modules(void)
nuclear@0: {
nuclear@0: 	return num_modules;
nuclear@0: }
nuclear@0: 
nuclear@0: struct vr_module *vr_get_module(int idx)
nuclear@0: {
nuclear@0: 	return modules + idx;
nuclear@0: }
nuclear@0: 
nuclear@0: void vr_activate_module(int idx)
nuclear@0: {
nuclear@0: 	if(num_act_modules >= act_modules_max_size) {
nuclear@0: 		int newsz = act_modules_max_size ? act_modules_max_size * 2 : 2;
nuclear@0: 		int *newact = realloc(active_modules, newsz * sizeof *newact);
nuclear@0: 		if(!newact) {
nuclear@0: 			fprintf(stderr, "failed to resize active modules array up to %d\n", newsz);
nuclear@0: 			return;
nuclear@0: 		}
nuclear@0: 		active_modules = newact;
nuclear@0: 		act_modules_max_size = newsz;
nuclear@0: 	}
nuclear@0: 	active_modules[num_act_modules++] = idx;
nuclear@0: }
nuclear@0: 
nuclear@0: int vr_get_num_active_modules(void)
nuclear@0: {
nuclear@0: 	return num_act_modules;
nuclear@0: }
nuclear@0: 
nuclear@0: struct vr_module *vr_get_active_module(int idx)
nuclear@0: {
nuclear@0: 	return modules + active_modules[idx];
nuclear@0: }