1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/vr/vr_modules.c	Wed Aug 20 06:33:43 2014 +0300
     1.3 @@ -0,0 +1,91 @@
     1.4 +/* XXX this might become partly auto-generated in the future */
     1.5 +#include <stdio.h>
     1.6 +#include <stdlib.h>
     1.7 +#include "vr_impl.h"
     1.8 +
     1.9 +struct vr_module *vr_module_libovr(void);
    1.10 +struct vr_module *vr_module_null(void);
    1.11 +
    1.12 +static struct vr_module *modules;
    1.13 +static int num_modules, modules_max_size;
    1.14 +
    1.15 +static int *active_modules;
    1.16 +static int num_act_modules, act_modules_max_size;
    1.17 +
    1.18 +
    1.19 +void vr_init_modules(void)
    1.20 +{
    1.21 +	struct vr_module *m;
    1.22 +
    1.23 +	vr_clear_modules();
    1.24 +
    1.25 +	if((m = vr_module_libovr())) {
    1.26 +		vr_register_module(m);
    1.27 +	}
    1.28 +
    1.29 +	if((m = vr_module_null())) {
    1.30 +		vr_register_module(m);
    1.31 +	}
    1.32 +
    1.33 +	/* more ... */
    1.34 +}
    1.35 +
    1.36 +void vr_clear_modules(void)
    1.37 +{
    1.38 +	free(modules);
    1.39 +	free(active_modules);
    1.40 +	modules = 0;
    1.41 +	num_modules = modules_max_size = 0;
    1.42 +	active_modules = 0;
    1.43 +	num_act_modules = act_modules_max_size = 0;
    1.44 +}
    1.45 +
    1.46 +void vr_register_module(struct vr_module *mod)
    1.47 +{
    1.48 +	if(num_modules >= modules_max_size) {
    1.49 +		int newsz = modules_max_size ? modules_max_size * 2 : 2;
    1.50 +		struct vr_module *newmods = realloc(modules, newsz * sizeof *newmods);
    1.51 +		if(!newmods) {
    1.52 +			fprintf(stderr, "failed to resize modules array up to %d\n", newsz);
    1.53 +			return;
    1.54 +		}
    1.55 +		modules = newmods;
    1.56 +		modules_max_size = newsz;
    1.57 +	}
    1.58 +	modules[num_modules++] = *mod;
    1.59 +}
    1.60 +
    1.61 +int vr_get_num_modules(void)
    1.62 +{
    1.63 +	return num_modules;
    1.64 +}
    1.65 +
    1.66 +struct vr_module *vr_get_module(int idx)
    1.67 +{
    1.68 +	return modules + idx;
    1.69 +}
    1.70 +
    1.71 +void vr_activate_module(int idx)
    1.72 +{
    1.73 +	if(num_act_modules >= act_modules_max_size) {
    1.74 +		int newsz = act_modules_max_size ? act_modules_max_size * 2 : 2;
    1.75 +		int *newact = realloc(active_modules, newsz * sizeof *newact);
    1.76 +		if(!newact) {
    1.77 +			fprintf(stderr, "failed to resize active modules array up to %d\n", newsz);
    1.78 +			return;
    1.79 +		}
    1.80 +		active_modules = newact;
    1.81 +		act_modules_max_size = newsz;
    1.82 +	}
    1.83 +	active_modules[num_act_modules++] = idx;
    1.84 +}
    1.85 +
    1.86 +int vr_get_num_active_modules(void)
    1.87 +{
    1.88 +	return num_act_modules;
    1.89 +}
    1.90 +
    1.91 +struct vr_module *vr_get_active_module(int idx)
    1.92 +{
    1.93 +	return modules + active_modules[idx];
    1.94 +}