efl/src/modules/evas/engines/fb/evas_engine.c

154 lines
4.1 KiB
C

#include "evas_common_private.h"
#include "evas_private.h"
#include "evas_engine.h"
#include "Evas_Engine_FB.h"
#include <Ecore.h>
#include <Eina.h>
int _evas_engine_fb_log_dom = -1;
static Eina_List *_outbufs = NULL;
/* function tables - filled in later (func and parent func) */
static Evas_Func func, pfunc;
/* engine struct data */
typedef Render_Output_Software_Generic Render_Engine;
/* engine api this module provides */
static void *
eng_output_setup(void *engine, void *in, unsigned int w, unsigned int h)
{
Evas_Engine_Info_FB *info = in;
Render_Engine *re;
Outbuf *ob;
re = calloc(1, sizeof(Render_Engine));
if (!re) return NULL;
evas_fb_outbuf_fb_init();
/* get any stored performance metrics from device */
ob = evas_fb_outbuf_fb_setup_fb(w, h,
info->info.rotation,
OUTBUF_DEPTH_INHERIT,
info->info.virtual_terminal,
info->info.device_number,
info->info.refresh);
if (!ob) goto on_error;
if (!evas_render_engine_software_generic_init(engine, re, ob, NULL,
evas_fb_outbuf_fb_get_rot,
evas_fb_outbuf_fb_reconfigure,
NULL,
NULL,
evas_fb_outbuf_fb_new_region_for_update,
evas_fb_outbuf_fb_push_updated_region,
evas_fb_outbuf_fb_free_region_for_update,
NULL,
NULL,
NULL,
evas_fb_outbuf_fb_free,
evas_fb_outbuf_fb_get_width(ob),
evas_fb_outbuf_fb_get_height(ob)))
goto on_error;
/* no backbuf! */
evas_fb_outbuf_fb_set_have_backbuf(ob, 0);
_outbufs = eina_list_append(_outbufs, ob);
return re;
on_error:
if (ob) evas_fb_outbuf_fb_free(ob);
free(re);
return NULL;
}
static void
eng_output_info_setup(void *info)
{
Evas_Engine_Info_FB *einfo = info;
einfo->render_mode = EVAS_RENDER_MODE_BLOCKING;
}
static void
eng_output_free(void *engine, void *data)
{
Render_Engine *re;
re = (Render_Engine *)data;
if (re)
{
_outbufs = eina_list_remove(_outbufs, re->ob);
evas_render_engine_software_generic_clean(engine, re);
free(re);
}
}
static Eina_Bool
eng_canvas_alpha_get(void *data)
{
Render_Engine *re;
re = (Render_Engine *)data;
return (re->ob->priv.fb.fb->fb_var.transp.length > 0);
}
/* module advertising code */
static int
module_open(Evas_Module *em)
{
if (!em) return 0;
/* get whatever engine module we inherit from */
if (!_evas_module_engine_inherit(&pfunc, "software_generic", sizeof (Evas_Engine_Info_FB))) return 0;
_evas_engine_fb_log_dom = eina_log_domain_register
("evas-fb", EVAS_DEFAULT_LOG_COLOR);
if (_evas_engine_fb_log_dom < 0)
{
EINA_LOG_ERR("Can not create a module log domain.");
return 0;
}
/* store it for later use */
func = pfunc;
/* now to override methods */
#define ORD(f) EVAS_API_OVERRIDE(f, &func, eng_)
ORD(output_info_setup);
ORD(output_setup);
ORD(canvas_alpha_get);
ORD(output_free);
/* now advertise out own api */
em->functions = (void *)(&func);
return 1;
}
static void
module_close(Evas_Module *em EINA_UNUSED)
{
if (_evas_engine_fb_log_dom >= 0)
{
eina_log_domain_unregister(_evas_engine_fb_log_dom);
_evas_engine_fb_log_dom = -1;
}
}
static Evas_Module_Api evas_modapi =
{
EVAS_MODULE_API_VERSION,
"fb",
"none",
{
module_open,
module_close
}
};
EVAS_MODULE_DEFINE(EVAS_MODULE_TYPE_ENGINE, engine, fb);
#ifndef EVAS_STATIC_BUILD_FB
EVAS_EINA_MODULE_DEFINE(engine, fb);
#endif