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#include <assert.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <inttypes.h>
#include <pthread.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
#include "til.h"
#include "til_fb.h"
#include "til_settings.h"
#include "til_threads.h"
#include "til_util.h"
/* Copyright (C) 2016 Vito Caputo <vcaputo@pengaru.com> */
#define DEFAULT_MODULE "rtv"
static til_threads_t *til_threads;
extern til_module_t compose_module;
extern til_module_t drizzle_module;
extern til_module_t flui2d_module;
extern til_module_t julia_module;
extern til_module_t meta2d_module;
extern til_module_t montage_module;
extern til_module_t pixbounce_module;
extern til_module_t plasma_module;
extern til_module_t plato_module;
extern til_module_t ray_module;
extern til_module_t roto_module;
extern til_module_t rtv_module;
extern til_module_t snow_module;
extern til_module_t sparkler_module;
extern til_module_t spiro_module;
extern til_module_t stars_module;
extern til_module_t submit_module;
extern til_module_t swab_module;
extern til_module_t swarm_module;
static const til_module_t *modules[] = {
&compose_module,
&drizzle_module,
&flui2d_module,
&julia_module,
&meta2d_module,
&montage_module,
&pixbounce_module,
&plasma_module,
&plato_module,
&ray_module,
&roto_module,
&rtv_module,
&snow_module,
&sparkler_module,
&spiro_module,
&stars_module,
&submit_module,
&swab_module,
&swarm_module,
};
/* initialize rototiller (create rendering threads) */
int til_init(void)
{
/* Various modules seed srand(), just do it here so they don't need to.
* At some point in the future this might become undesirable, if reproducible
* pseudo-randomized output is actually desirable. But that should probably be
* achieved using rand_r() anyways, since modules can't prevent others from playing
* with srand().
*/
srand(time(NULL) + getpid());
if (!(til_threads = til_threads_create()))
return -errno;
return 0;
}
/* wait for all threads to be idle */
void til_quiesce(void)
{
til_threads_wait_idle(til_threads);
}
void til_shutdown(void)
{
til_threads_destroy(til_threads);
}
const til_module_t * til_lookup_module(const char *name)
{
assert(name);
for (size_t i = 0; i < nelems(modules); i++) {
if (!strcasecmp(name, modules[i]->name))
return modules[i];
}
return NULL;
}
void til_get_modules(const til_module_t ***res_modules, size_t *res_n_modules)
{
assert(res_modules);
assert(res_n_modules);
*res_modules = modules;
*res_n_modules = nelems(modules);
}
static void module_render_fragment(const til_module_t *module, void *context, til_threads_t *threads, unsigned ticks, til_fb_fragment_t *fragment)
{
assert(module);
assert(threads);
assert(fragment);
if (module->prepare_frame) {
til_fragmenter_t fragmenter;
module->prepare_frame(context, ticks, til_threads_num_threads(threads), fragment, &fragmenter);
if (module->render_fragment) {
til_threads_frame_submit(threads, fragment, fragmenter, module->render_fragment, context, ticks);
til_threads_wait_idle(threads);
}
} else if (module->render_fragment)
module->render_fragment(context, ticks, 0, fragment);
if (module->finish_frame)
module->finish_frame(context, ticks, fragment);
}
/* This is a public interface to the threaded module rendering intended for use by
* modules that wish to get the output of other modules for their own use.
*/
void til_module_render(const til_module_t *module, void *context, unsigned ticks, til_fb_fragment_t *fragment)
{
module_render_fragment(module, context, til_threads, ticks, fragment);
}
int til_module_create_context(const til_module_t *module, unsigned ticks, void *setup, void **res_context)
{
void *context;
assert(module);
assert(res_context);
if (!module->create_context)
return 0;
context = module->create_context(ticks, til_threads_num_threads(til_threads), setup);
if (!context)
return -ENOMEM;
*res_context = context;
return 0;
}
void * til_module_destroy_context(const til_module_t *module, void *context)
{
assert(module);
if (!module->destroy_context)
return NULL;
module->destroy_context(context);
return NULL;
}
/* select module if not yet selected, then setup the module. */
int til_module_setup(til_settings_t *settings, til_setting_t **res_setting, const til_setting_desc_t **res_desc, void **res_setup)
{
til_setting_t *setting;
const til_module_t *module;
const char *name;
name = til_settings_get_key(settings, 0, &setting);
if (!name) {
const char *values[nelems(modules) + 1] = {};
const char *annotations[nelems(modules) + 1] = {};
til_setting_desc_t *desc;
int r;
for (unsigned i = 0; i < nelems(modules); i++) {
values[i] = modules[i]->name;
annotations[i] = modules[i]->description;
}
r = til_setting_desc_clone(&(til_setting_desc_t){
.name = "Renderer module",
.key = NULL,
.regex = "[a-zA-Z0-9]+",
.preferred = DEFAULT_MODULE,
.values = values,
.annotations = annotations
}, res_desc);
if (r < 0)
return r;
*res_setting = name ? setting : NULL;
return 1;
}
module = til_lookup_module(name);
if (!module)
return -EINVAL;
if (module->setup)
return module->setup(settings, res_setting, res_desc, res_setup);
return 0;
}
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