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efl/legacy/ecore/src/lib/ecore_evas/ecore_evas_wayland_shm.c

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#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
//#define LOGFNS 1
#ifdef LOGFNS
# include <stdio.h>
# define LOGFN(fl, ln, fn) \
printf("-ECORE_EVAS-WL: %25s: %5i - %s\n", fl, ln, fn);
#else
# define LOGFN(fl, ln, fn)
#endif
#ifdef BUILD_ECORE_EVAS_WAYLAND_SHM
# include <stdlib.h>
# include <string.h>
# include <unistd.h>
# include <sys/types.h>
# include <sys/mman.h>
#endif
#include <Eina.h>
#include "Ecore_Evas.h"
#ifdef BUILD_ECORE_EVAS_WAYLAND_SHM
# include "ecore_evas_private.h"
# include <Evas_Engine_Wayland_Shm.h>
# include <Ecore_Wayland.h>
/* local function prototypes */
static void _ecore_evas_wl_free(Ecore_Evas *ee);
static void _ecore_evas_wl_resize(Ecore_Evas *ee, int w, int h);
static void _ecore_evas_wl_move_resize(Ecore_Evas *ee, int x, int y, int w, int h);
static void _ecore_evas_wl_show(Ecore_Evas *ee);
static void _ecore_evas_wl_hide(Ecore_Evas *ee);
static void _ecore_evas_wl_alpha_set(Ecore_Evas *ee, int alpha);
static void _ecore_evas_wl_transparent_set(Ecore_Evas *ee, int transparent);
static int _ecore_evas_wl_render(Ecore_Evas *ee);
/* SHM Only */
static void _ecore_evas_wl_shm_pool_free(Ecore_Evas *ee);
static void _ecore_evas_wl_shm_pool_create(Ecore_Evas *ee, size_t size);
static void _ecore_evas_wl_buffer_free(Ecore_Evas *ee);
static void _ecore_evas_wl_buffer_new(Ecore_Evas *ee, int w, int h);
/* Frame listener */
static void _ecore_evas_wl_frame_complete(void *data, struct wl_callback *callback, uint32_t time);
static const struct wl_callback_listener frame_listener =
{
_ecore_evas_wl_frame_complete,
};
static Ecore_Evas_Engine_Func _ecore_wl_engine_func =
{
_ecore_evas_wl_free,
_ecore_evas_wl_common_callback_resize_set,
_ecore_evas_wl_common_callback_move_set,
NULL,
NULL,
_ecore_evas_wl_common_callback_delete_request_set,
NULL,
_ecore_evas_wl_common_callback_focus_in_set,
_ecore_evas_wl_common_callback_focus_out_set,
_ecore_evas_wl_common_callback_mouse_in_set,
_ecore_evas_wl_common_callback_mouse_out_set,
NULL, // sticky_set
NULL, // unsticky_set
NULL, // pre_render_set
NULL, // post_render_set
_ecore_evas_wl_common_move,
NULL, // managed_move
_ecore_evas_wl_resize,
_ecore_evas_wl_move_resize,
NULL, // rotation_set
NULL, // shaped_set
_ecore_evas_wl_show,
_ecore_evas_wl_hide,
_ecore_evas_wl_common_raise,
NULL, // lower
NULL, // activate
_ecore_evas_wl_common_title_set,
_ecore_evas_wl_common_name_class_set,
_ecore_evas_wl_common_size_min_set,
_ecore_evas_wl_common_size_max_set,
_ecore_evas_wl_common_size_base_set,
_ecore_evas_wl_common_size_step_set,
NULL, // object_cursor_set
_ecore_evas_wl_common_layer_set,
NULL, // focus set
_ecore_evas_wl_common_iconified_set,
NULL, // borderless set
NULL, // override set
_ecore_evas_wl_common_maximized_set,
_ecore_evas_wl_common_fullscreen_set,
NULL, // func avoid_damage set
NULL, // func withdrawn set
NULL, // func sticky set
_ecore_evas_wl_common_ignore_events_set,
_ecore_evas_wl_alpha_set,
_ecore_evas_wl_transparent_set,
NULL, // func profiles set
NULL, // window group set
NULL, // aspect set
NULL, // urgent set
NULL, // modal set
NULL, // demand attention set
NULL, // focus skip set
_ecore_evas_wl_render,
_ecore_evas_wl_common_screen_geometry_get,
_ecore_evas_wl_common_screen_dpi_get
};
/* external variables */
/* external functions */
EAPI Ecore_Evas *
ecore_evas_wayland_shm_new(const char *disp_name, unsigned int parent, int x, int y, int w, int h, Eina_Bool frame)
{
Ecore_Wl_Window *p = NULL;
Evas_Engine_Info_Wayland_Shm *einfo;
Ecore_Evas *ee;
int method = 0, count = 0;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
if (!(method = evas_render_method_lookup("wayland_shm")))
{
ERR("Render method lookup failed for Wayland_Shm");
return NULL;
}
count = ecore_wl_init(disp_name);
if (!count)
{
ERR("Failed to initialize Ecore_Wayland");
return NULL;
}
else if (count == 1)
ecore_wl_display_iterate();
if (!(ee = calloc(1, sizeof(Ecore_Evas))))
{
ERR("Failed to allocate Ecore_Evas");
goto ee_err;
}
ECORE_MAGIC_SET(ee, ECORE_MAGIC_EVAS);
_ecore_evas_wl_common_init();
ee->engine.func = (Ecore_Evas_Engine_Func *)&_ecore_wl_engine_func;
ee->driver = "wayland_shm";
if (disp_name) ee->name = strdup(disp_name);
if (w < 1) w = 1;
if (h < 1) h = 1;
ee->x = x;
ee->y = y;
ee->w = w;
ee->h = h;
ee->req.x = ee->x;
ee->req.y = ee->y;
ee->req.w = ee->w;
ee->req.h = ee->h;
ee->rotation = 0;
ee->prop.max.w = 32767;
ee->prop.max.h = 32767;
ee->prop.layer = 4;
ee->prop.request_pos = 0;
ee->prop.sticky = 0;
ee->prop.draw_frame = frame;
ee->alpha = EINA_FALSE;
ee->evas = evas_new();
evas_data_attach_set(ee->evas, ee);
evas_output_method_set(ee->evas, method);
evas_output_size_set(ee->evas, ee->w, ee->h);
evas_output_viewport_set(ee->evas, 0, 0, ee->w, ee->h);
/* FIXME: This needs to be set based on theme & scale */
if (ee->prop.draw_frame)
evas_output_framespace_set(ee->evas, 4, 18, 8, 22);
if (parent)
p = ecore_wl_window_find(parent);
/* FIXME: Get if parent is alpha, and set */
ee->engine.wl.parent = p;
ee->engine.wl.win =
ecore_wl_window_new(p, x, y, w, h, ECORE_WL_WINDOW_BUFFER_TYPE_SHM);
ee->prop.window = ee->engine.wl.win->id;
if ((einfo = (Evas_Engine_Info_Wayland_Shm *)evas_engine_info_get(ee->evas)))
{
einfo->info.destination_alpha = ee->alpha;
einfo->info.rotation = ee->rotation;
if (!evas_engine_info_set(ee->evas, (Evas_Engine_Info *)einfo))
{
ERR("Failed to set Evas Engine Info for '%s'", ee->driver);
goto err;
}
}
else
{
ERR("Failed to get Evas Engine Info for '%s'", ee->driver);
goto err;
}
ecore_evas_callback_pre_free_set(ee, _ecore_evas_wl_common_pre_free);
if (ee->prop.draw_frame)
{
ee->engine.wl.frame = _ecore_evas_wl_common_frame_add(ee->evas);
evas_object_is_frame_object_set(ee->engine.wl.frame, EINA_TRUE);
evas_object_move(ee->engine.wl.frame, 0, 0);
}
_ecore_evas_register(ee);
ecore_evas_input_event_register(ee);
ecore_event_window_register(ee->prop.window, ee, ee->evas,
(Ecore_Event_Mouse_Move_Cb)_ecore_evas_mouse_move_process,
(Ecore_Event_Multi_Move_Cb)_ecore_evas_mouse_multi_move_process,
(Ecore_Event_Multi_Down_Cb)_ecore_evas_mouse_multi_down_process,
(Ecore_Event_Multi_Up_Cb)_ecore_evas_mouse_multi_up_process);
return ee;
err:
ecore_evas_free(ee);
_ecore_evas_wl_common_shutdown();
ee_err:
ecore_wl_shutdown();
return NULL;
}
static void
_ecore_evas_wl_free(Ecore_Evas *ee)
{
_ecore_evas_wl_buffer_free(ee);
_ecore_evas_wl_shm_pool_free(ee);
_ecore_evas_wl_common_free(ee);
}
static void
_ecore_evas_wl_resize(Ecore_Evas *ee, int w, int h)
{
Evas_Engine_Info_Wayland_Shm *einfo;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
if (!ee) return;
if (w < 1) w = 1;
if (h < 1) h = 1;
ee->req.w = w;
ee->req.h = h;
if (!ee->prop.fullscreen)
{
int fw = 0, fh = 0;
if (ee->prop.min.w > w) w = ee->prop.min.w;
else if (w > ee->prop.max.w) w = ee->prop.max.w;
if (ee->prop.min.h > h) h = ee->prop.min.h;
else if (h > ee->prop.max.h) h = ee->prop.max.h;
evas_output_framespace_get(ee->evas, NULL, NULL, &fw, &fh);
w += fw;
h += fh;
}
if ((ee->w != w) || (ee->h != h))
{
ee->w = w;
ee->h = h;
if ((ee->rotation == 90) || (ee->rotation == 270))
{
evas_output_size_set(ee->evas, h, w);
evas_output_viewport_set(ee->evas, 0, 0, h, w);
}
else
{
evas_output_size_set(ee->evas, w, h);
evas_output_viewport_set(ee->evas, 0, 0, w, h);
}
if (ee->prop.avoid_damage)
{
int pdam = 0;
pdam = ecore_evas_avoid_damage_get(ee);
ecore_evas_avoid_damage_set(ee, 0);
ecore_evas_avoid_damage_set(ee, pdam);
}
if (ee->engine.wl.frame)
evas_object_resize(ee->engine.wl.frame, w, h);
_ecore_evas_wl_buffer_new(ee, w, h);
einfo = (Evas_Engine_Info_Wayland_Shm *)evas_engine_info_get(ee->evas);
if (!einfo)
{
ERR("Failed to get Evas Engine Info for '%s'", ee->driver);
return;
}
einfo->info.dest = ee->engine.wl.pool_data;
evas_engine_info_set(ee->evas, (Evas_Engine_Info *)einfo);
if (ee->engine.wl.win)
{
ecore_wl_window_update_size(ee->engine.wl.win, w, h);
ecore_wl_window_buffer_attach(ee->engine.wl.win,
ee->engine.wl.buffer, 0, 0);
}
if (ee->func.fn_resize) ee->func.fn_resize(ee);
}
}
static void
_ecore_evas_wl_move_resize(Ecore_Evas *ee, int x, int y, int w, int h)
{
LOGFN(__FILE__, __LINE__, __FUNCTION__);
if (!ee) return;
if ((ee->x != x) || (ee->y != y))
_ecore_evas_wl_common_move(ee, x, y);
if ((ee->w != w) || (ee->h != h))
_ecore_evas_wl_resize(ee, w, h);
}
static void
_ecore_evas_wl_show(Ecore_Evas *ee)
{
Evas_Engine_Info_Wayland_Shm *einfo;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
if ((!ee) || (ee->visible)) return;
_ecore_evas_wl_buffer_new(ee, ee->w, ee->h);
einfo = (Evas_Engine_Info_Wayland_Shm *)evas_engine_info_get(ee->evas);
if (!einfo)
{
ERR("Failed to get Evas Engine Info for '%s'", ee->driver);
return;
}
einfo->info.dest = ee->engine.wl.pool_data;
evas_engine_info_set(ee->evas, (Evas_Engine_Info *)einfo);
if (ee->engine.wl.win)
{
ecore_wl_window_show(ee->engine.wl.win);
ecore_wl_window_update_size(ee->engine.wl.win, ee->w, ee->h);
ecore_wl_window_buffer_attach(ee->engine.wl.win,
ee->engine.wl.buffer, 0, 0);
if ((ee->prop.clas) && (ee->engine.wl.win->shell_surface))
wl_shell_surface_set_class(ee->engine.wl.win->shell_surface,
ee->prop.clas);
if ((ee->prop.title) && (ee->engine.wl.win->shell_surface))
wl_shell_surface_set_title(ee->engine.wl.win->shell_surface,
ee->prop.title);
}
if (ee->engine.wl.frame)
{
evas_object_show(ee->engine.wl.frame);
evas_object_resize(ee->engine.wl.frame, ee->w, ee->h);
}
ee->visible = 1;
if (ee->func.fn_show) ee->func.fn_show(ee);
}
static void
_ecore_evas_wl_hide(Ecore_Evas *ee)
{
Evas_Engine_Info_Wayland_Shm *einfo;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
if ((!ee) || (!ee->visible)) return;
_ecore_evas_wl_buffer_free(ee);
munmap(ee->engine.wl.pool_data, ee->engine.wl.pool_size);
einfo = (Evas_Engine_Info_Wayland_Shm *)evas_engine_info_get(ee->evas);
if ((einfo) && (einfo->info.dest))
{
einfo->info.dest = NULL;
evas_engine_info_set(ee->evas, (Evas_Engine_Info *)einfo);
}
if (ee->engine.wl.win)
ecore_wl_window_hide(ee->engine.wl.win);
ee->visible = 0;
ee->should_be_visible = 0;
if (ee->func.fn_hide) ee->func.fn_hide(ee);
}
static void
_ecore_evas_wl_alpha_set(Ecore_Evas *ee, int alpha)
{
Evas_Engine_Info_Wayland_Shm *einfo;
Ecore_Wl_Window *win = NULL;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
if (!ee) return;
if ((ee->alpha == alpha)) return;
ee->alpha = alpha;
/* FIXME: NB: We should really add a ecore_wl_window_alpha_set function
* but we are in API freeze, so just hack it in for now and fix when
* freeze is over */
if ((win = ee->engine.wl.win))
win->alpha = alpha;
/* if (ee->engine.wl.win) */
/* ecore_wl_window_transparent_set(ee->engine.wl.win, alpha); */
_ecore_evas_wl_buffer_new(ee, ee->w, ee->h);
if ((einfo = (Evas_Engine_Info_Wayland_Shm *)evas_engine_info_get(ee->evas)))
{
einfo->info.destination_alpha = alpha;
einfo->info.dest = ee->engine.wl.pool_data;
if (!evas_engine_info_set(ee->evas, (Evas_Engine_Info *)einfo))
ERR("evas_engine_info_set() for engine '%s' failed.", ee->driver);
evas_damage_rectangle_add(ee->evas, 0, 0, ee->w, ee->h);
}
if (win)
{
ecore_wl_window_update_size(win, ee->w, ee->h);
ecore_wl_window_buffer_attach(win, ee->engine.wl.buffer, 0, 0);
}
}
static void
_ecore_evas_wl_transparent_set(Ecore_Evas *ee, int transparent)
{
Evas_Engine_Info_Wayland_Shm *einfo;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
if (!ee) return;
if ((ee->transparent == transparent)) return;
ee->transparent = transparent;
if (ee->engine.wl.win)
ecore_wl_window_transparent_set(ee->engine.wl.win, transparent);
_ecore_evas_wl_buffer_new(ee, ee->w, ee->h);
if ((einfo = (Evas_Engine_Info_Wayland_Shm *)evas_engine_info_get(ee->evas)))
{
einfo->info.destination_alpha = transparent;
einfo->info.dest = ee->engine.wl.pool_data;
if (!evas_engine_info_set(ee->evas, (Evas_Engine_Info *)einfo))
ERR("evas_engine_info_set() for engine '%s' failed.", ee->driver);
evas_damage_rectangle_add(ee->evas, 0, 0, ee->w, ee->h);
}
if (ee->engine.wl.win)
{
ecore_wl_window_update_size(ee->engine.wl.win, ee->w, ee->h);
ecore_wl_window_buffer_attach(ee->engine.wl.win,
ee->engine.wl.buffer, 0, 0);
}
}
static void
_ecore_evas_wl_frame_complete(void *data, struct wl_callback *callback, uint32_t time __UNUSED__)
{
Ecore_Evas *ee = data;
Ecore_Wl_Window *win = NULL;
if (!ee) return;
if (!(win = ee->engine.wl.win)) return;
win->frame_callback = NULL;
win->frame_pending = EINA_FALSE;
wl_callback_destroy(callback);
if (win->surface)
{
win->frame_callback = wl_surface_frame(win->surface);
wl_callback_add_listener(win->frame_callback, &frame_listener, ee);
}
}
static int
_ecore_evas_wl_render(Ecore_Evas *ee)
{
int rend = 0;
Ecore_Wl_Window *win = NULL;
if (!ee) return 0;
if (!ee->visible)
{
evas_norender(ee->evas);
return 0;
}
if (!(win = ee->engine.wl.win)) return 0;
rend = _ecore_evas_wl_common_pre_render(ee);
if (!(win->frame_pending))
{
/* FIXME - ideally have an evas_changed_get to return the value
* of evas->changed to avoid creating this callback and
* destroying it again
*/
if (!win->frame_callback)
{
win->frame_callback = wl_surface_frame(win->surface);
wl_callback_add_listener(win->frame_callback, &frame_listener, ee);
}
rend |= _ecore_evas_wl_common_render_updates(ee);
if (rend)
win->frame_pending = EINA_TRUE;
}
_ecore_evas_wl_common_post_render(ee);
return rend;
}
static void
_ecore_evas_wl_shm_pool_free(Ecore_Evas *ee)
{
if (!ee->engine.wl.pool) return;
wl_shm_pool_destroy(ee->engine.wl.pool);
ee->engine.wl.pool = NULL;
ee->engine.wl.pool_size = 0;
ee->engine.wl.pool_data = NULL;
}
static void
_ecore_evas_wl_shm_pool_create(Ecore_Evas *ee, size_t size)
{
struct wl_shm *shm;
void *data;
char tmp[PATH_MAX];
int fd;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
if (size <= ee->engine.wl.pool_size)
return;
size *= 1.5;
_ecore_evas_wl_shm_pool_free(ee);
if (!(shm = ecore_wl_shm_get()))
{
ERR("ecore_wl_shm_get returned NULL");
return;
}
strcpy(tmp, "/tmp/ecore-evas-wayland_shm-XXXXXX");
if ((fd = mkstemp(tmp)) < 0)
{
ERR("Could not create temporary file.");
return;
}
if (ftruncate(fd, size) < 0)
{
ERR("Could not truncate temporary file.");
goto end;
}
data = mmap(NULL, size, (PROT_READ | PROT_WRITE), MAP_SHARED, fd, 0);
unlink(tmp);
if (data == MAP_FAILED)
{
ERR("mmap of temporary file failed.");
goto end;
}
ee->engine.wl.pool_size = size;
ee->engine.wl.pool_data = data;
ee->engine.wl.pool = wl_shm_create_pool(shm, fd, size);
end:
close(fd);
}
static void
_ecore_evas_wl_buffer_free(Ecore_Evas *ee)
{
if (!ee->engine.wl.buffer) return;
wl_buffer_destroy(ee->engine.wl.buffer);
ee->engine.wl.buffer = NULL;
}
static void
_ecore_evas_wl_buffer_new(Ecore_Evas *ee, int w, int h)
{
unsigned int format;
int stride = 0;
stride = (w * sizeof(int));
_ecore_evas_wl_shm_pool_create(ee, stride * h);
if ((ee->alpha) || (ee->transparent))
format = WL_SHM_FORMAT_ARGB8888;
else
format = WL_SHM_FORMAT_XRGB8888;
_ecore_evas_wl_buffer_free(ee);
ee->engine.wl.buffer =
wl_shm_pool_create_buffer(ee->engine.wl.pool, 0, w, h, stride, format);
}
void
_ecore_evas_wayland_shm_resize(Ecore_Evas *ee, int location)
{
LOGFN(__FILE__, __LINE__, __FUNCTION__);
if (!ee) return;
if (ee->engine.wl.win)
{
ee->engine.wl.win->resizing = EINA_TRUE;
ecore_wl_window_resize(ee->engine.wl.win, ee->w, ee->h, location);
}
}
#else
EAPI Ecore_Evas *
ecore_evas_wayland_shm_new(const char *disp_name __UNUSED__, unsigned int parent __UNUSED__, int x __UNUSED__, int y __UNUSED__, int w __UNUSED__, int h __UNUSED__, Eina_Bool frame __UNUSED__)
{
return NULL;
}
#endif
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