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#include "evas_common_private.h"
#include "evas_private.h"
#include "evas_engine.h"
#include "Evas_Engine_Buffer.h"
/* domain for eina_log */
/* the log macros are defined in evas_common_private.h */
/* theirs names are EVAS_ERR, EVAS_DBG, EVAS_CRIT, EVAS_WRN and EVAS_INF */
/* although we can use the EVAS_ERROR, etc... macros it will not work
when the -fvisibility=hidden option is passed to gcc */
int _evas_engine_buffer_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, void *dest_buffer, int dest_buffer_row_bytes, int depth_type, int use_color_key, int alpha_threshold, int color_key_r, int color_key_g, int color_key_b, void *(*new_update_region) (int x, int y, int w, int h, int *row_bytes), void (*free_update_region) (int x, int y, int w, int h, void *data), void *(*switch_buffer) (void *data, void *dest_buffer), void *switch_data);
static void *eng_info(Evas *eo_e EINA_UNUSED);
static void eng_info_free(Evas *eo_e EINA_UNUSED, void *info);
static int eng_setup(Evas *eo_e, void *info);
static void eng_output_free(void *data);
/* internal engine routines */
static void *
_output_setup(int w,
int h,
void *dest_buffer,
int dest_buffer_row_bytes,
int depth_type,
int use_color_key,
int alpha_threshold,
int color_key_r,
int color_key_g,
int color_key_b,
void *(*new_update_region) (int x, int y, int w, int h, int *row_bytes),
void (*free_update_region) (int x, int y, int w, int h, void *data),
void *(*switch_buffer) (void *data, void *dest_buffer),
void *switch_data
)
{
Outbuf *ob;
Render_Engine *re;
Outbuf_Depth dep;
DATA32 color_key = 0;
re = calloc(1, sizeof(Render_Engine));
if (!re) return NULL;
evas_buffer_outbuf_buf_init();
dep = OUTBUF_DEPTH_BGR_24BPP_888_888;
if (depth_type == EVAS_ENGINE_BUFFER_DEPTH_ARGB32)
dep = OUTBUF_DEPTH_ARGB_32BPP_8888_8888;
else if (depth_type == EVAS_ENGINE_BUFFER_DEPTH_RGB32)
dep = OUTBUF_DEPTH_RGB_32BPP_888_8888;
else if (depth_type == EVAS_ENGINE_BUFFER_DEPTH_BGRA32)
dep = OUTBUF_DEPTH_BGRA_32BPP_8888_8888;
else if (depth_type == EVAS_ENGINE_BUFFER_DEPTH_RGB24)
dep = OUTBUF_DEPTH_RGB_24BPP_888_888;
else if (depth_type == EVAS_ENGINE_BUFFER_DEPTH_BGR24)
dep = OUTBUF_DEPTH_BGR_24BPP_888_888;
R_VAL(&color_key) = color_key_r;
G_VAL(&color_key) = color_key_g;
B_VAL(&color_key) = color_key_b;
A_VAL(&color_key) = 0;
ob = evas_buffer_outbuf_buf_setup_fb(w,
h,
dep,
dest_buffer,
dest_buffer_row_bytes,
use_color_key,
color_key,
alpha_threshold,
new_update_region,
free_update_region,
switch_buffer,
switch_data);
if (!ob) goto on_error;
if (!evas_render_engine_software_generic_init(&re->generic, ob,
evas_buffer_outbuf_buf_swap_mode_get,
evas_buffer_outbuf_buf_rot_get,
evas_buffer_outbuf_reconfigure,
NULL,
NULL,
evas_buffer_outbuf_buf_new_region_for_update,
evas_buffer_outbuf_buf_push_updated_region,
evas_buffer_outbuf_buf_free_region_for_update,
NULL,
evas_buffer_outbuf_buf_switch_buffer,
NULL,
evas_buffer_outbuf_buf_free,
w, h))
goto on_error;
return re;
on_error:
if (ob) evas_buffer_outbuf_buf_free(ob);
free(re);
return NULL;
}
/* engine api this module provides */
static void *
eng_info(Evas *eo_e EINA_UNUSED)
{
Evas_Engine_Info_Buffer *info;
info = calloc(1, sizeof(Evas_Engine_Info_Buffer));
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_Buffer *in;
in = (Evas_Engine_Info_Buffer *)info;
free(in);
}
static int
eng_setup(Evas *eo_e, void *in)
{
Evas_Public_Data *e = efl_data_scope_get(eo_e, EVAS_CANVAS_CLASS);
Render_Engine *re;
Evas_Engine_Info_Buffer *info;
info = (Evas_Engine_Info_Buffer *)in;
re = _output_setup(e->output.w,
e->output.h,
info->info.dest_buffer,
info->info.dest_buffer_row_bytes,
info->info.depth_type,
info->info.use_color_key,
info->info.alpha_threshold,
info->info.color_key_r,
info->info.color_key_g,
info->info.color_key_b,
info->info.func.new_update_region,
info->info.func.free_update_region,
info->info.func.switch_buffer,
info->info.switch_data);
if (e->engine.data.output)
eng_output_free(e->engine.data.output);
e->engine.data.output = re;
if (!e->engine.data.output) return 0;
if (!e->engine.data.context)
e->engine.data.context = e->engine.func->context_new(e->engine.data.output);
return 1;
}
static void
eng_output_free(void *data)
{
Render_Engine *re;
if ((re = (Render_Engine *)data))
{
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;
if ((re = (Render_Engine *)data))
if (re->generic.ob->priv.back_buf)
return re->generic.ob->priv.back_buf->cache_entry.flags.alpha;
return EINA_TRUE;
}
/* 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_buffer_log_dom = eina_log_domain_register
("evas-buffer", EINA_COLOR_BLUE);
if (_evas_engine_buffer_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_buffer_log_dom >= 0)
{
eina_log_domain_unregister(_evas_engine_buffer_log_dom);
_evas_engine_buffer_log_dom = -1;
}
}
static Evas_Module_Api evas_modapi =
{
EVAS_MODULE_API_VERSION,
"buffer",
"none",
{
module_open,
module_close
}
};
EVAS_MODULE_DEFINE(EVAS_MODULE_TYPE_ENGINE, engine, buffer);
#ifndef EVAS_STATIC_BUILD_BUFFER
EVAS_EINA_MODULE_DEFINE(engine, buffer);
#endif
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