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#include "evas_common_private.h"
#include "evas_private.h"
#include "evas_engine.h"
#include "Evas_Engine_FB.h"
int _evas_engine_fb_log_dom = -1;
/* function tables - filled in later (func and parent func) */
static Evas_Func func, pfunc;
/* engine struct data */
typedef struct _Render_Engine Render_Engine;
struct _Render_Engine
{
Render_Engine_Software_Generic generic;
};
/* prototypes we will use here */
static void *_output_setup(int w, int h, int rot, int vt, int dev, int refresh);
static void *eng_info(Evas *eo_e);
static void eng_info_free(Evas *eo_e, void *info);
static void eng_output_free(void *data);
/* internal engine routines */
static void *
_output_setup(int w, int h, int rot, int vt, int dev, int refresh)
{
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, rot, OUTBUF_DEPTH_INHERIT, vt, dev, refresh);
if (!ob) goto on_error;
if (!evas_render_engine_software_generic_init(&re->generic, 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);
return re;
on_error:
if (ob) evas_fb_outbuf_fb_free(ob);
free(re);
return NULL;
}
/* engine api this module provides */
static void *
eng_info(Evas *eo_e EINA_UNUSED)
{
Evas_Engine_Info_FB *info;
info = calloc(1, sizeof(Evas_Engine_Info_FB));
if (!info) return NULL;
info->magic.magic = rand();
info->render_mode = EVAS_RENDER_MODE_BLOCKING;
return info;
}
static void
eng_info_free(Evas *eo_e EINA_UNUSED, void *info)
{
Evas_Engine_Info_FB *in;
in = (Evas_Engine_Info_FB *)info;
free(in);
}
static void *
eng_setup(void *in, unsigned int w, unsigned int h)
{
Evas_Engine_Info_FB *info = in;
return _output_setup(w,
h,
info->info.rotation,
info->info.virtual_terminal,
info->info.device_number,
info->info.refresh);
}
static void
eng_output_free(void *data)
{
Render_Engine *re;
re = (Render_Engine *)data;
if (re)
{
evas_render_engine_software_generic_clean(&re->generic);
free(re);
}
}
static Eina_Bool
eng_canvas_alpha_get(void *data, void *context EINA_UNUSED)
{
Render_Engine *re;
re = (Render_Engine *)data;
return (re->generic.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")) 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(info);
ORD(info_free);
ORD(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
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