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#include "til.h"
#include "til_fb.h"
#include "til_module_context.h"
#include "til_settings.h"
#include "til_stream.h"
#include "libs/txt/txt.h" /* for rendering some diagnostics (ref built-in)) */
/* "blank" built-in module */
static void _blank_prepare_frame(til_module_context_t *context, til_stream_t *stream, unsigned ticks, til_fb_fragment_t **fragment_ptr, til_frame_plan_t *res_frame_plan)
{
*res_frame_plan = (til_frame_plan_t){ .fragmenter = til_fragmenter_slice_per_cpu };
}
static void _blank_render_fragment(til_module_context_t *context, til_stream_t *stream, unsigned ticks, unsigned cpu, til_fb_fragment_t **fragment_ptr)
{
til_fb_fragment_clear(*fragment_ptr);
}
til_module_t _blank_module = {
.prepare_frame = _blank_prepare_frame,
.render_fragment = _blank_render_fragment,
.name = "blank",
.description = "Blanker (built-in)",
.author = "built-in",
};
/* "noop" built-in module */
til_module_t _noop_module = {
.name = "noop",
.description = "Nothing-doer (built-in)",
.author = "built-in",
.flags = TIL_MODULE_BUILTIN,
};
/* "ref" built-in module */
typedef struct _ref_setup_t {
til_setup_t til_setup;
char *path;
} _ref_setup_t;
typedef struct _ref_context_t {
til_module_context_t til_module_context;
til_module_context_t *ref;
} _ref_context_t;
static til_module_context_t * _ref_create_context(const til_module_t *module, til_stream_t *stream, unsigned seed, unsigned ticks, unsigned n_cpus, til_setup_t *setup)
{
_ref_context_t *ctxt;
ctxt = til_module_context_new(module, sizeof(*ctxt), stream, seed, ticks, n_cpus, setup);
if (!ctxt)
return NULL;
return &ctxt->til_module_context;
}
static void _ref_destroy_context(til_module_context_t *context)
{
_ref_context_t *ctxt = (_ref_context_t *)context;
ctxt->ref = til_module_context_free(ctxt->ref);
free(context);
}
static void _ref_render_fragment(til_module_context_t *context, til_stream_t *stream, unsigned ticks, unsigned cpu, til_fb_fragment_t **fragment_ptr)
{
_ref_context_t *ctxt = (_ref_context_t *)context;
_ref_setup_t *s = (_ref_setup_t *)context->setup;
if (!ctxt->ref) {
int r;
/* TODO: switch to til_stream_find_module_context(), this clones concept is DOA. */
r = til_stream_find_module_contexts(stream, s->path, 1, &ctxt->ref);
if (r < 0) {
txt_t *msg = txt_newf("%s: BAD PATH \"%s\"", context->setup->path, s->path);
til_fb_fragment_clear(*fragment_ptr);
txt_render_fragment(msg, *fragment_ptr, 0xffffffff,
0, 0,
(txt_align_t){
.horiz = TXT_HALIGN_LEFT,
.vert = TXT_VALIGN_TOP,
});
txt_free(msg);
/* TODO: maybe print all available contexts into the fragment? */
return;
}
}
til_module_render_limited(ctxt->ref, stream, ticks, context->n_cpus, fragment_ptr);
}
static void _ref_setup_free(til_setup_t *setup)
{
_ref_setup_t *s = (_ref_setup_t *)setup;
free(s->path);
free(s);
}
static int _ref_setup(const til_settings_t *settings, til_setting_t **res_setting, const til_setting_desc_t **res_desc, til_setup_t **res_setup);
til_module_t _ref_module = {
.create_context = _ref_create_context,
.destroy_context = _ref_destroy_context,
.render_fragment = _ref_render_fragment,
.setup = _ref_setup,
.name = "ref",
.description = "Context referencer (built-in)",
.author = "built-in",
.flags = TIL_MODULE_BUILTIN,
};
static int _ref_setup(const til_settings_t *settings, til_setting_t **res_setting, const til_setting_desc_t **res_desc, til_setup_t **res_setup)
{
const char *path;
int r;
r = til_settings_get_and_describe_value(settings,
&(til_setting_spec_t){
.name = "Context path to reference",
.key = "path",
.regex = "[a-zA-Z0-9/_]+",
.preferred = "",
},
&path,
res_setting,
res_desc);
if (r)
return r;
if (res_setup) {
_ref_setup_t *setup;
setup = til_setup_new(settings, sizeof(*setup), _ref_setup_free, &_ref_module);
if (!setup)
return -ENOMEM;
setup->path = strdup(path);
if (!setup->path) {
til_setup_free(&setup->til_setup);
return -ENOMEM;
}
*res_setup = &setup->til_setup;
}
return 0;
}
/* "none" built-in module */
static int _none_setup(const til_settings_t *settings, til_setting_t **res_setting, const til_setting_desc_t **res_desc, til_setup_t **res_setup);
til_module_t _none_module = {
.setup = _none_setup,
.name = "none",
.description = "Disabled (built-in)",
.author = "built-in",
.flags = TIL_MODULE_BUILTIN,
};
static int _none_setup(const til_settings_t *settings, til_setting_t **res_setting, const til_setting_desc_t **res_desc, til_setup_t **res_setup)
{
if (res_setup)
*res_setup = NULL;
return 0;
}
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