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RetroArch/gfx/drivers_context/wayland_ctx.c

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/* RetroArch - A frontend for libretro.
* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
* Copyright (C) 2011-2017 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <poll.h>
#include <unistd.h>
#include <wayland-client.h>
#include <wayland-cursor.h>
#include <string/stdstring.h>
#ifdef HAVE_CONFIG_H
#include "../../config.h"
#endif
#ifdef HAVE_EGL
#include <wayland-egl.h>
#endif
#ifdef HAVE_VULKAN
#include "../common/vulkan_common.h"
#endif
#ifdef HAVE_EGL
#include "../common/egl_common.h"
#endif
#if defined(HAVE_OPENGL) || defined(HAVE_OPENGLES)
#include "../common/gl_common.h"
#endif
#include "../common/wayland_common.h"
#include "../../frontend/frontend_driver.h"
#include "../../input/input_driver.h"
#include "../../input/input_keymaps.h"
#include "../../verbosity.h"
/* Generated from idle-inhibit-unstable-v1.xml */
#include "../common/wayland/idle-inhibit-unstable-v1.h"
/* Generated from xdg-shell-unstable-v6.xml */
#include "../common/wayland/xdg-shell-unstable-v6.h"
/* Generated from xdg-shell.xml */
#include "../common/wayland/xdg-shell.h"
/* Generated from xdg-decoration-unstable-v1.h */
#include "../common/wayland/xdg-decoration-unstable-v1.h"
#define WL_ARRAY_FOR_EACH(pos, array, type) \
for (pos = (type)(array)->data; \
(const char *) pos < ((const char *) (array)->data + (array)->size); \
(pos)++)
typedef struct touch_pos
{
bool active;
int32_t id;
unsigned x;
unsigned y;
} touch_pos_t;
typedef struct output_info
{
struct wl_output *output;
uint32_t global_id;
unsigned width;
unsigned height;
unsigned physical_width;
unsigned physical_height;
int refresh_rate;
unsigned scale;
struct wl_list link; /* wl->all_outputs */
} output_info_t;
static int num_active_touches;
static touch_pos_t active_touch_positions[MAX_TOUCHES];
typedef struct gfx_ctx_wayland_data
{
#ifdef HAVE_EGL
egl_ctx_data_t egl;
struct wl_egl_window *win;
#endif
bool fullscreen;
bool maximized;
bool resize;
bool configured;
bool activated;
unsigned prev_width;
unsigned prev_height;
unsigned width;
unsigned height;
struct wl_registry *registry;
struct wl_compositor *compositor;
struct wl_surface *surface;
struct zxdg_surface_v6 *zxdg_surface;
struct zxdg_shell_v6 *zxdg_shell;
struct zxdg_toplevel_v6 *zxdg_toplevel;
struct xdg_surface *xdg_surface;
struct xdg_wm_base *xdg_shell;
struct xdg_toplevel *xdg_toplevel;
struct wl_keyboard *wl_keyboard;
struct wl_pointer *wl_pointer;
struct wl_touch *wl_touch;
struct wl_seat *seat;
struct wl_shm *shm;
struct zxdg_decoration_manager_v1 *deco_manager;
struct zxdg_toplevel_decoration_v1 *deco;
struct zwp_idle_inhibit_manager_v1 *idle_inhibit_manager;
struct zwp_idle_inhibitor_v1 *idle_inhibitor;
struct wl_list all_outputs;
output_info_t *current_output;
int swap_interval;
bool core_hw_context_enable;
unsigned last_buffer_scale;
unsigned buffer_scale;
struct
{
struct wl_cursor *default_cursor;
struct wl_cursor_theme *theme;
struct wl_surface *surface;
uint32_t serial;
bool visible;
} cursor;
input_ctx_wayland_data_t input;
#ifdef HAVE_VULKAN
gfx_ctx_vulkan_data_t vk;
#endif
} gfx_ctx_wayland_data_t;
static enum gfx_ctx_api wl_api = GFX_CTX_NONE;
#ifndef EGL_OPENGL_ES3_BIT_KHR
#define EGL_OPENGL_ES3_BIT_KHR 0x0040
#endif
#ifndef EGL_PLATFORM_WAYLAND_KHR
#define EGL_PLATFORM_WAYLAND_KHR 0x31D8
#endif
#ifdef HAVE_XKBCOMMON
/* FIXME: Move this into a header? */
int init_xkb(int fd, size_t size);
int handle_xkb(int code, int value);
void handle_xkb_state_mask(uint32_t depressed,
uint32_t latched, uint32_t locked, uint32_t group);
void free_xkb(void);
#endif
static void keyboard_handle_keymap(void* data,
struct wl_keyboard* keyboard,
uint32_t format,
int fd,
uint32_t size)
{
(void)data;
if (format != WL_KEYBOARD_KEYMAP_FORMAT_XKB_V1)
{
close(fd);
return;
}
#ifdef HAVE_XKBCOMMON
if (init_xkb(fd, size) < 0)
RARCH_ERR("[Wayland]: Failed to init keymap.\n");
#endif
close(fd);
RARCH_LOG("[Wayland]: Loaded keymap.\n");
}
static void keyboard_handle_enter(void* data,
struct wl_keyboard* keyboard,
uint32_t serial,
struct wl_surface* surface,
struct wl_array* keys)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
wl->input.keyboard_focus = true;
}
static void keyboard_handle_leave(void *data,
struct wl_keyboard *keyboard,
uint32_t serial,
struct wl_surface *surface)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
wl->input.keyboard_focus = false;
}
static void keyboard_handle_key(void *data,
struct wl_keyboard *keyboard,
uint32_t serial,
uint32_t time,
uint32_t key,
uint32_t state)
{
(void)serial;
(void)time;
(void)keyboard;
int value = 1;
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
if (state == WL_KEYBOARD_KEY_STATE_PRESSED)
{
BIT_SET(wl->input.key_state, key);
value = 1;
}
else if (state == WL_KEYBOARD_KEY_STATE_RELEASED)
{
BIT_CLEAR(wl->input.key_state, key);
value = 0;
}
#ifdef HAVE_XKBCOMMON
if (handle_xkb(key, value) == 0)
return;
#endif
input_keyboard_event(value,
input_keymaps_translate_keysym_to_rk(key),
0, 0, RETRO_DEVICE_KEYBOARD);
}
static void keyboard_handle_modifiers(void *data,
struct wl_keyboard *keyboard,
uint32_t serial,
uint32_t modsDepressed,
uint32_t modsLatched,
uint32_t modsLocked,
uint32_t group)
{
(void)data;
(void)keyboard;
(void)serial;
#ifdef HAVE_XKBCOMMON
handle_xkb_state_mask(modsDepressed, modsLatched, modsLocked, group);
#else
(void)modsDepressed;
(void)modsLatched;
(void)modsLocked;
(void)group;
#endif
}
void keyboard_handle_repeat_info(void *data,
struct wl_keyboard *wl_keyboard,
int32_t rate,
int32_t delay)
{
(void)data;
(void)wl_keyboard;
(void)rate;
(void)delay;
/* TODO: Seems like we'll need this to get
* repeat working. We'll have to do it on our own. */
}
static const struct wl_keyboard_listener keyboard_listener = {
keyboard_handle_keymap,
keyboard_handle_enter,
keyboard_handle_leave,
keyboard_handle_key,
keyboard_handle_modifiers,
keyboard_handle_repeat_info
};
static void gfx_ctx_wl_show_mouse(void *data, bool state);
static void pointer_handle_enter(void *data,
struct wl_pointer *pointer,
uint32_t serial,
struct wl_surface *surface,
wl_fixed_t sx,
wl_fixed_t sy)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
(void)pointer;
(void)serial;
(void)surface;
wl->input.mouse.last_x = wl_fixed_to_int(sx * (wl_fixed_t)wl->buffer_scale);
wl->input.mouse.last_y = wl_fixed_to_int(sy * (wl_fixed_t)wl->buffer_scale);
wl->input.mouse.x = wl->input.mouse.last_x;
wl->input.mouse.y = wl->input.mouse.last_y;
wl->input.mouse.focus = true;
wl->cursor.serial = serial;
gfx_ctx_wl_show_mouse(data, wl->cursor.visible);
}
static void pointer_handle_leave(void *data,
struct wl_pointer *pointer,
uint32_t serial,
struct wl_surface *surface)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
wl->input.mouse.focus = false;
(void)pointer;
(void)serial;
(void)surface;
}
static void pointer_handle_motion(void *data,
struct wl_pointer *pointer,
uint32_t time,
wl_fixed_t sx,
wl_fixed_t sy)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
wl->input.mouse.x = wl_fixed_to_int(
(wl_fixed_t)wl->buffer_scale * sx);
wl->input.mouse.y = wl_fixed_to_int(
(wl_fixed_t)wl->buffer_scale * sy);
}
static void pointer_handle_button(void *data,
struct wl_pointer *wl_pointer,
uint32_t serial,
uint32_t time,
uint32_t button,
uint32_t state)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
if (state == WL_POINTER_BUTTON_STATE_PRESSED)
{
if (button == BTN_LEFT)
{
wl->input.mouse.left = true;
if (BIT_GET(wl->input.key_state, KEY_LEFTALT))
{
if (wl->xdg_toplevel)
xdg_toplevel_move(wl->xdg_toplevel, wl->seat, serial);
else if (wl->zxdg_toplevel)
zxdg_toplevel_v6_move(wl->zxdg_toplevel, wl->seat, serial);
}
}
else if (button == BTN_RIGHT)
wl->input.mouse.right = true;
else if (button == BTN_MIDDLE)
wl->input.mouse.middle = true;
}
else
{
if (button == BTN_LEFT)
wl->input.mouse.left = false;
else if (button == BTN_RIGHT)
wl->input.mouse.right = false;
else if (button == BTN_MIDDLE)
wl->input.mouse.middle = false;
}
}
static void pointer_handle_axis(void *data,
struct wl_pointer *wl_pointer,
uint32_t time,
uint32_t axis,
wl_fixed_t value)
{
(void)data;
(void)wl_pointer;
(void)time;
(void)axis;
(void)value;
}
static const struct wl_pointer_listener pointer_listener = {
pointer_handle_enter,
pointer_handle_leave,
pointer_handle_motion,
pointer_handle_button,
pointer_handle_axis,
};
/* TODO: implement check for resize */
static void touch_handle_down(void *data,
struct wl_touch *wl_touch,
uint32_t serial,
uint32_t time,
struct wl_surface *surface,
int32_t id,
wl_fixed_t x,
wl_fixed_t y)
{
int i;
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
if (num_active_touches < MAX_TOUCHES)
{
for (i = 0; i < MAX_TOUCHES; i++)
{
/* Use next empty slot */
if (!active_touch_positions[i].active)
{
active_touch_positions[num_active_touches].active = true;
active_touch_positions[num_active_touches].id = id;
active_touch_positions[num_active_touches].x = (unsigned)
wl_fixed_to_int(x);
active_touch_positions[num_active_touches].y = (unsigned)
wl_fixed_to_int(y);
num_active_touches++;
break;
}
}
}
}
static void reorder_touches(void)
{
int i, j;
if (num_active_touches == 0)
return;
for (i = 0; i < MAX_TOUCHES; i++)
{
if (!active_touch_positions[i].active)
{
for (j=i+1; j<MAX_TOUCHES; j++)
{
if (active_touch_positions[j].active)
{
active_touch_positions[i].active =
active_touch_positions[j].active;
active_touch_positions[i].id =
active_touch_positions[j].id;
active_touch_positions[i].x = active_touch_positions[j].x;
active_touch_positions[i].y = active_touch_positions[j].y;
active_touch_positions[j].active = false;
active_touch_positions[j].id = -1;
active_touch_positions[j].x = (unsigned) 0;
active_touch_positions[j].y = (unsigned) 0;
break;
}
if (j == MAX_TOUCHES)
return;
}
}
}
}
static void touch_handle_up(void *data,
struct wl_touch *wl_touch,
uint32_t serial,
uint32_t time,
int32_t id)
{
int i;
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
for (i = 0; i < MAX_TOUCHES; i++)
{
if ( active_touch_positions[i].active &&
active_touch_positions[i].id == id)
{
active_touch_positions[i].active = false;
active_touch_positions[i].id = -1;
active_touch_positions[i].x = (unsigned)0;
active_touch_positions[i].y = (unsigned)0;
num_active_touches--;
}
}
reorder_touches();
}
static void touch_handle_motion(void *data,
struct wl_touch *wl_touch,
uint32_t time,
int32_t id,
wl_fixed_t x,
wl_fixed_t y)
{
int i;
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
for (i = 0; i < MAX_TOUCHES; i++)
{
if ( active_touch_positions[i].active &&
active_touch_positions[i].id == id)
{
active_touch_positions[i].x = (unsigned) wl_fixed_to_int(x);
active_touch_positions[i].y = (unsigned) wl_fixed_to_int(y);
}
}
}
static void touch_handle_frame(void *data,
struct wl_touch *wl_touch)
{
/* TODO */
}
static void touch_handle_cancel(void *data,
struct wl_touch *wl_touch)
{
/* If i understand the spec correctly we have to reset all touches here
* since they were not ment for us anyway */
int i;
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
for (i = 0; i < MAX_TOUCHES; i++)
{
active_touch_positions[i].active = false;
active_touch_positions[i].id = -1;
active_touch_positions[i].x = (unsigned) 0;
active_touch_positions[i].y = (unsigned) 0;
}
num_active_touches = 0;
}
static const struct wl_touch_listener touch_listener = {
touch_handle_down,
touch_handle_up,
touch_handle_motion,
touch_handle_frame,
touch_handle_cancel,
};
static void seat_handle_capabilities(void *data,
struct wl_seat *seat, unsigned caps)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && !wl->wl_keyboard)
{
wl->wl_keyboard = wl_seat_get_keyboard(seat);
wl_keyboard_add_listener(wl->wl_keyboard, &keyboard_listener, wl);
}
else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && wl->wl_keyboard)
{
wl_keyboard_destroy(wl->wl_keyboard);
wl->wl_keyboard = NULL;
}
if ((caps & WL_SEAT_CAPABILITY_POINTER) && !wl->wl_pointer)
{
wl->wl_pointer = wl_seat_get_pointer(seat);
wl_pointer_add_listener(wl->wl_pointer, &pointer_listener, wl);
}
else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && wl->wl_pointer)
{
wl_pointer_destroy(wl->wl_pointer);
wl->wl_pointer = NULL;
}
if ((caps & WL_SEAT_CAPABILITY_TOUCH) && !wl->wl_touch)
{
wl->wl_touch = wl_seat_get_touch(seat);
wl_touch_add_listener(wl->wl_touch, &touch_listener, wl);
}
else if (!(caps & WL_SEAT_CAPABILITY_TOUCH) && wl->wl_touch)
{
wl_touch_destroy(wl->wl_touch);
wl->wl_touch = NULL;
}
}
static void seat_handle_name(void *data,
struct wl_seat *seat, const char *name)
{
(void)data;
(void)seat;
RARCH_LOG("[Wayland]: Seat name: %s.\n", name);
}
static const struct wl_seat_listener seat_listener = {
seat_handle_capabilities,
seat_handle_name,
};
/* Touch handle functions */
bool wayland_context_gettouchpos(void *data, unsigned id,
unsigned* touch_x, unsigned* touch_y)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
if (id >= MAX_TOUCHES)
return false;
*touch_x = active_touch_positions[id].x;
*touch_y = active_touch_positions[id].y;
return active_touch_positions[id].active;
}
/* Surface callbacks. */
static bool gfx_ctx_wl_set_resize(void *data,
unsigned width, unsigned height);
static void wl_surface_enter(void *data, struct wl_surface *wl_surface,
struct wl_output *output)
{
output_info_t *oi;
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
/* TODO: track all outputs the surface is on, pick highest scale */
wl_list_for_each(oi, &wl->all_outputs, link)
{
if (oi->output == output)
{
RARCH_LOG("[Wayland]: Entering output #%d, scale %d\n", oi->global_id, oi->scale);
wl->current_output = oi;
wl->last_buffer_scale = wl->buffer_scale;
wl->buffer_scale = oi->scale;
break;
}
};
}
static void wl_nop(void *a, struct wl_surface *b, struct wl_output *c)
{
(void)a;
(void)b;
(void)c;
}
static const struct wl_surface_listener wl_surface_listener = {
wl_surface_enter,
wl_nop,
};
/* Shell surface callbacks. */
static void xdg_shell_ping(void *data, struct xdg_wm_base *shell, uint32_t serial)
{
xdg_wm_base_pong(shell, serial);
}
static const struct xdg_wm_base_listener xdg_shell_listener = {
xdg_shell_ping,
};
static void handle_surface_config(void *data, struct xdg_surface *surface,
uint32_t serial)
{
xdg_surface_ack_configure(surface, serial);
}
static const struct xdg_surface_listener xdg_surface_listener = {
handle_surface_config,
};
static void handle_toplevel_config(void *data,
struct xdg_toplevel *toplevel,
int32_t width, int32_t height, struct wl_array *states)
{
const uint32_t *state;
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
wl->fullscreen = false;
wl->maximized = false;
WL_ARRAY_FOR_EACH(state, states, const uint32_t*)
{
switch (*state)
{
case XDG_TOPLEVEL_STATE_FULLSCREEN:
wl->fullscreen = true;
break;
case XDG_TOPLEVEL_STATE_MAXIMIZED:
wl->maximized = true;
break;
case XDG_TOPLEVEL_STATE_RESIZING:
wl->resize = true;
break;
case XDG_TOPLEVEL_STATE_ACTIVATED:
wl->activated = true;
break;
}
}
if (width > 0 && height > 0)
{
wl->prev_width = width;
wl->prev_height = height;
wl->width = width;
wl->height = height;
}
#ifdef HAVE_EGL
if (wl->win)
wl_egl_window_resize(wl->win, width, height, 0, 0);
else
wl->win = wl_egl_window_create(wl->surface,
wl->width * wl->buffer_scale,
wl->height * wl->buffer_scale);
#endif
wl->configured = false;
}
static void handle_toplevel_close(void *data,
struct xdg_toplevel *xdg_toplevel)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
BIT_SET(wl->input.key_state, KEY_ESC);
}
static const struct xdg_toplevel_listener xdg_toplevel_listener = {
handle_toplevel_config,
handle_toplevel_close,
};
static void zxdg_shell_ping(void *data,
struct zxdg_shell_v6 *shell, uint32_t serial)
{
zxdg_shell_v6_pong(shell, serial);
}
static const struct zxdg_shell_v6_listener zxdg_shell_v6_listener = {
zxdg_shell_ping,
};
static void handle_zxdg_surface_config(void *data,
struct zxdg_surface_v6 *surface,
uint32_t serial)
{
zxdg_surface_v6_ack_configure(surface, serial);
}
static const struct zxdg_surface_v6_listener zxdg_surface_v6_listener = {
handle_zxdg_surface_config,
};
static void handle_zxdg_toplevel_config(
void *data, struct zxdg_toplevel_v6 *toplevel,
int32_t width, int32_t height, struct wl_array *states)
{
const uint32_t *state;
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
wl->fullscreen = false;
wl->maximized = false;
WL_ARRAY_FOR_EACH(state, states, const uint32_t*)
{
switch (*state)
{
case XDG_TOPLEVEL_STATE_FULLSCREEN:
wl->fullscreen = true;
break;
case XDG_TOPLEVEL_STATE_MAXIMIZED:
wl->maximized = true;
break;
case XDG_TOPLEVEL_STATE_RESIZING:
wl->resize = true;
break;
case XDG_TOPLEVEL_STATE_ACTIVATED:
wl->activated = true;
break;
}
}
if (width > 0 && height > 0)
{
wl->prev_width = width;
wl->prev_height = height;
wl->width = width;
wl->height = height;
}
#ifdef HAVE_EGL
if (wl->win)
wl_egl_window_resize(wl->win, width, height, 0, 0);
else
wl->win = wl_egl_window_create(wl->surface,
wl->width * wl->buffer_scale,
wl->height * wl->buffer_scale);
#endif
wl->configured = false;
}
static void handle_zxdg_toplevel_close(void *data,
struct zxdg_toplevel_v6 *zxdg_toplevel)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
BIT_SET(wl->input.key_state, KEY_ESC);
}
static const struct zxdg_toplevel_v6_listener zxdg_toplevel_v6_listener = {
handle_zxdg_toplevel_config,
handle_zxdg_toplevel_close,
};
static void display_handle_geometry(void *data,
struct wl_output *output,
int x, int y,
int physical_width, int physical_height,
int subpixel,
const char *make,
const char *model,
int transform)
{
(void)data;
(void)output;
(void)x;
(void)y;
(void)subpixel;
(void)make;
(void)model;
(void)transform;
output_info_t *oi = (output_info_t*)data;
oi->physical_width = physical_width;
oi->physical_height = physical_height;
RARCH_LOG("[Wayland]: Physical width: %d mm x %d mm.\n",
physical_width, physical_height);
}
static void display_handle_mode(void *data,
struct wl_output *output,
uint32_t flags,
int width,
int height,
int refresh)
{
(void)output;
(void)flags;
output_info_t *oi = (output_info_t*)data;
oi->width = width;
oi->height = height;
oi->refresh_rate = refresh;
/* Certain older Wayland implementations report in Hz,
* but it should be mHz. */
RARCH_LOG("[Wayland]: Video mode: %d x %d @ %.4f Hz.\n",
width, height, refresh > 1000 ? refresh / 1000.0 : (double)refresh);
}
static void display_handle_done(void *data,
struct wl_output *output)
{
(void)data;
(void)output;
}
static void display_handle_scale(void *data,
struct wl_output *output,
int32_t factor)
{
output_info_t *oi = (output_info_t*)data;
RARCH_LOG("[Wayland]: Display scale factor %d.\n", factor);
oi->scale = factor;
}
static const struct wl_output_listener output_listener = {
display_handle_geometry,
display_handle_mode,
display_handle_done,
display_handle_scale,
};
/* Registry callbacks. */
static void registry_handle_global(void *data, struct wl_registry *reg,
uint32_t id, const char *interface, uint32_t version)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
(void)version;
if (string_is_equal(interface, "wl_compositor"))
wl->compositor = (struct wl_compositor*)wl_registry_bind(reg,
id, &wl_compositor_interface, 3);
else if (string_is_equal(interface, "wl_output"))
{
output_info_t *oi = (output_info_t*)
calloc(1, sizeof(output_info_t));
oi->global_id = id;
oi->output = (struct wl_output*)wl_registry_bind(reg,
id, &wl_output_interface, 2);
wl_output_add_listener(oi->output, &output_listener, oi);
wl_list_insert(&wl->all_outputs, &oi->link);
wl_display_roundtrip(wl->input.dpy);
}
else if (string_is_equal(interface, "xdg_wm_base"))
wl->xdg_shell = (struct xdg_wm_base*)
wl_registry_bind(reg, id, &xdg_wm_base_interface, 1);
else if (string_is_equal(interface, "zxdg_shell_v6"))
wl->zxdg_shell = (struct zxdg_shell_v6*)
wl_registry_bind(reg, id, &zxdg_shell_v6_interface, 1);
else if (string_is_equal(interface, "wl_shm"))
wl->shm = (struct wl_shm*)wl_registry_bind(reg, id, &wl_shm_interface, 1);
else if (string_is_equal(interface, "wl_seat"))
{
wl->seat = (struct wl_seat*)wl_registry_bind(reg, id, &wl_seat_interface, 2);
wl_seat_add_listener(wl->seat, &seat_listener, wl);
}
else if (string_is_equal(interface, "zwp_idle_inhibit_manager_v1"))
wl->idle_inhibit_manager = (struct zwp_idle_inhibit_manager_v1*)wl_registry_bind(
reg, id, &zwp_idle_inhibit_manager_v1_interface, 1);
else if (string_is_equal(interface, "zxdg_decoration_manager_v1"))
wl->deco_manager = (struct zxdg_decoration_manager_v1*)wl_registry_bind(
reg, id, &zxdg_decoration_manager_v1_interface, 1);
}
static void registry_handle_global_remove(void *data,
struct wl_registry *registry, uint32_t id)
{
output_info_t *oi, *tmp;
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
wl_list_for_each_safe(oi, tmp, &wl->all_outputs, link)
{
if (oi->global_id == id)
{
wl_list_remove(&oi->link);
free(oi);
break;
}
}
}
static const struct wl_registry_listener registry_listener = {
registry_handle_global,
registry_handle_global_remove,
};
static void gfx_ctx_wl_get_video_size(void *data,
unsigned *width, unsigned *height)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
*width = wl->width * wl->buffer_scale;
*height = wl->height * wl->buffer_scale;
}
static void gfx_ctx_wl_destroy_resources(gfx_ctx_wayland_data_t *wl)
{
if (!wl)
return;
switch (wl_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
case GFX_CTX_OPENVG_API:
#ifdef HAVE_EGL
egl_destroy(&wl->egl);
if (wl->win)
wl_egl_window_destroy(wl->win);
#endif
break;
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
vulkan_context_destroy(&wl->vk, wl->surface);
if (wl->input.dpy != NULL && wl->input.fd >= 0)
close(wl->input.fd);
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
#ifdef HAVE_XKBCOMMON
free_xkb();
#endif
if (wl->wl_keyboard)
wl_keyboard_destroy(wl->wl_keyboard);
if (wl->wl_pointer)
wl_pointer_destroy(wl->wl_pointer);
if (wl->wl_touch)
wl_touch_destroy(wl->wl_touch);
if (wl->cursor.theme)
wl_cursor_theme_destroy(wl->cursor.theme);
if (wl->cursor.surface)
wl_surface_destroy(wl->cursor.surface);
if (wl->seat)
wl_seat_destroy(wl->seat);
if (wl->xdg_shell)
xdg_wm_base_destroy(wl->xdg_shell);
if (wl->zxdg_shell)
zxdg_shell_v6_destroy(wl->zxdg_shell);
if (wl->compositor)
wl_compositor_destroy(wl->compositor);
if (wl->registry)
wl_registry_destroy(wl->registry);
if (wl->xdg_surface)
xdg_surface_destroy(wl->xdg_surface);
if (wl->zxdg_surface)
zxdg_surface_v6_destroy(wl->zxdg_surface);
if (wl->surface)
wl_surface_destroy(wl->surface);
if (wl->xdg_toplevel)
xdg_toplevel_destroy(wl->xdg_toplevel);
if (wl->zxdg_toplevel)
zxdg_toplevel_v6_destroy(wl->zxdg_toplevel);
if (wl->idle_inhibit_manager)
zwp_idle_inhibit_manager_v1_destroy(wl->idle_inhibit_manager);
if (wl->deco)
zxdg_toplevel_decoration_v1_destroy(wl->deco);
if (wl->deco_manager)
zxdg_decoration_manager_v1_destroy(wl->deco_manager);
if (wl->idle_inhibitor)
zwp_idle_inhibitor_v1_destroy(wl->idle_inhibitor);
if (wl->input.dpy)
{
wl_display_flush(wl->input.dpy);
wl_display_disconnect(wl->input.dpy);
}
#ifdef HAVE_EGL
wl->win = NULL;
#endif
wl->xdg_shell = NULL;
wl->zxdg_shell = NULL;
wl->compositor = NULL;
wl->registry = NULL;
wl->input.dpy = NULL;
wl->xdg_surface = NULL;
wl->surface = NULL;
wl->xdg_toplevel = NULL;
wl->zxdg_toplevel = NULL;
wl->width = 0;
wl->height = 0;
}
void flush_wayland_fd(void *data)
{
struct pollfd fd = {0};
input_ctx_wayland_data_t *wl = (input_ctx_wayland_data_t*)data;
wl_display_dispatch_pending(wl->dpy);
wl_display_flush(wl->dpy);
fd.fd = wl->fd;
fd.events = POLLIN | POLLOUT | POLLERR | POLLHUP;
if (poll(&fd, 1, 0) > 0)
{
if (fd.revents & (POLLERR | POLLHUP))
{
close(wl->fd);
frontend_driver_set_signal_handler_state(1);
}
if (fd.revents & POLLIN)
wl_display_dispatch(wl->dpy);
if (fd.revents & POLLOUT)
wl_display_flush(wl->dpy);
}
}
static void gfx_ctx_wl_check_window(void *data, bool *quit,
bool *resize, unsigned *width, unsigned *height,
bool is_shutdown)
{
/* this function works with SCALED sizes, it's used from the renderer */
unsigned new_width, new_height;
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
flush_wayland_fd(&wl->input);
new_width = *width * wl->last_buffer_scale;
new_height = *height * wl->last_buffer_scale;
gfx_ctx_wl_get_video_size(data, &new_width, &new_height);
switch (wl_api)
{
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
/* Swapchains are recreated in set_resize as a
* central place, so use that to trigger swapchain reinit. */
*resize = wl->vk.need_new_swapchain;
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
if (new_width != *width * wl->last_buffer_scale || new_height != *height * wl->last_buffer_scale)
{
*width = new_width;
*height = new_height;
*resize = true;
wl->last_buffer_scale = wl->buffer_scale;
}
*quit = (bool)frontend_driver_get_signal_handler_state();
}
static bool gfx_ctx_wl_set_resize(void *data, unsigned width, unsigned height)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
switch (wl_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
case GFX_CTX_OPENVG_API:
#ifdef HAVE_EGL
wl_egl_window_resize(wl->win, width, height, 0, 0);
#endif
break;
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
if (vulkan_create_swapchain(&wl->vk, width, height, wl->swap_interval))
{
wl->vk.context.invalid_swapchain = true;
if (wl->vk.created_new_swapchain)
vulkan_acquire_next_image(&wl->vk);
}
else
{
RARCH_ERR("[Wayland/Vulkan]: Failed to update swapchain.\n");
return false;
}
wl->vk.need_new_swapchain = false;
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
wl_surface_set_buffer_scale(wl->surface, wl->buffer_scale);
return true;
}
static void gfx_ctx_wl_update_title(void *data, void *data2)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
char title[128];
title[0] = '\0';
video_driver_get_window_title(title, sizeof(title));
if (wl && title[0])
{
if (wl->xdg_toplevel || wl->zxdg_toplevel)
{
if (wl->deco)
{
zxdg_toplevel_decoration_v1_set_mode(wl->deco,
ZXDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE);
}
}
if (wl->xdg_toplevel)
xdg_toplevel_set_title(wl->xdg_toplevel, title);
else if (wl->zxdg_toplevel)
zxdg_toplevel_v6_set_title(wl->zxdg_toplevel, title);
}
}
static bool gfx_ctx_wl_get_metrics(void *data,
enum display_metric_types type, float *value)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
if (!wl || !wl->current_output || wl->current_output->physical_width == 0 || wl->current_output->physical_height == 0)
return false;
switch (type)
{
case DISPLAY_METRIC_MM_WIDTH:
*value = (float)wl->current_output->physical_width;
break;
case DISPLAY_METRIC_MM_HEIGHT:
*value = (float)wl->current_output->physical_height;
break;
case DISPLAY_METRIC_DPI:
*value = (float)wl->current_output->width * 25.4f / (float)wl->current_output->physical_width;
break;
default:
*value = 0.0f;
return false;
}
return true;
}
#define DEFAULT_WINDOWED_WIDTH 640
#define DEFAULT_WINDOWED_HEIGHT 480
#ifdef HAVE_EGL
#define WL_EGL_ATTRIBS_BASE \
EGL_SURFACE_TYPE, EGL_WINDOW_BIT, \
EGL_RED_SIZE, 1, \
EGL_GREEN_SIZE, 1, \
EGL_BLUE_SIZE, 1, \
EGL_ALPHA_SIZE, 0, \
EGL_DEPTH_SIZE, 0
#endif
static void *gfx_ctx_wl_init(video_frame_info_t *video_info, void *video_driver)
{
int i;
#ifdef HAVE_EGL
static const EGLint egl_attribs_gl[] = {
WL_EGL_ATTRIBS_BASE,
EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT,
EGL_NONE,
};
#ifdef HAVE_OPENGLES
#ifdef HAVE_OPENGLES2
static const EGLint egl_attribs_gles[] = {
WL_EGL_ATTRIBS_BASE,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_NONE,
};
#endif
#ifdef HAVE_OPENGLES3
#ifdef EGL_KHR_create_context
static const EGLint egl_attribs_gles3[] = {
WL_EGL_ATTRIBS_BASE,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES3_BIT_KHR,
EGL_NONE,
};
#endif
#endif
#endif
static const EGLint egl_attribs_vg[] = {
WL_EGL_ATTRIBS_BASE,
EGL_RENDERABLE_TYPE, EGL_OPENVG_BIT,
EGL_NONE,
};
EGLint n;
EGLint major = 0, minor = 0;
const EGLint *attrib_ptr = NULL;
#endif
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)
calloc(1, sizeof(gfx_ctx_wayland_data_t));
if (!wl)
return NULL;
(void)video_driver;
wl_list_init(&wl->all_outputs);
#ifdef HAVE_EGL
switch (wl_api)
{
case GFX_CTX_OPENGL_API:
#ifdef HAVE_OPENGL
attrib_ptr = egl_attribs_gl;
#endif
break;
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_OPENGLES
#ifdef HAVE_OPENGLES3
#ifdef EGL_KHR_create_context
if (g_egl_major >= 3)
attrib_ptr = egl_attribs_gles3;
else
#endif
#endif
#ifdef HAVE_OPENGLES2
attrib_ptr = egl_attribs_gles;
#endif
#endif
break;
case GFX_CTX_OPENVG_API:
#ifdef HAVE_VG
attrib_ptr = egl_attribs_vg;
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
#endif
frontend_driver_destroy_signal_handler_state();
wl->input.dpy = wl_display_connect(NULL);
wl->last_buffer_scale = 1;
wl->buffer_scale = 1;
if (!wl->input.dpy)
{
RARCH_ERR("[Wayland]: Failed to connect to Wayland server.\n");
goto error;
}
frontend_driver_install_signal_handler();
wl->registry = wl_display_get_registry(wl->input.dpy);
wl_registry_add_listener(wl->registry, &registry_listener, wl);
wl_display_roundtrip(wl->input.dpy);
if (!wl->compositor)
{
RARCH_ERR("[Wayland]: Failed to create compositor.\n");
goto error;
}
if (!wl->shm)
{
RARCH_ERR("[Wayland]: Failed to create shm.\n");
goto error;
}
if (!wl->xdg_shell && !!wl->zxdg_shell)
{
RARCH_LOG("[Wayland]: Using zxdg_shell_v6 interface.\n");
}
if (!wl->xdg_shell && !wl->zxdg_shell)
{
RARCH_ERR("[Wayland]: Failed to create shell.\n");
goto error;
}
if (!wl->idle_inhibit_manager)
{
RARCH_WARN("[Wayland]: Compositor doesn't support zwp_idle_inhibit_manager_v1 protocol!\n");
}
if (!wl->deco_manager)
{
RARCH_WARN("[Wayland]: Compositor doesn't support zxdg_decoration_manager_v1 protocol!\n");
}
wl->input.fd = wl_display_get_fd(wl->input.dpy);
switch (wl_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
case GFX_CTX_OPENVG_API:
#ifdef HAVE_EGL
if (!egl_init_context(&wl->egl,
EGL_PLATFORM_WAYLAND_KHR,
(EGLNativeDisplayType)wl->input.dpy,
&major, &minor, &n, attrib_ptr,
egl_default_accept_config_cb))
{
egl_report_error();
goto error;
}
if (n == 0 || !egl_has_config(&wl->egl))
goto error;
#endif
break;
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
if (!vulkan_context_init(&wl->vk, VULKAN_WSI_WAYLAND))
goto error;
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
wl->input.keyboard_focus = true;
wl->input.mouse.focus = true;
wl->cursor.surface = wl_compositor_create_surface(wl->compositor);
wl->cursor.theme = wl_cursor_theme_load(NULL, 16, wl->shm);
wl->cursor.default_cursor = wl_cursor_theme_get_cursor(wl->cursor.theme, "left_ptr");
num_active_touches = 0;
for (i = 0;i < MAX_TOUCHES;i++)
{
active_touch_positions[i].active = false;
active_touch_positions[i].id = -1;
active_touch_positions[i].x = (unsigned) 0;
active_touch_positions[i].y = (unsigned) 0;
}
flush_wayland_fd(&wl->input);
return wl;
error:
gfx_ctx_wl_destroy_resources(wl);
if (wl)
free(wl);
return NULL;
}
#ifdef HAVE_EGL
static EGLint *egl_fill_attribs(gfx_ctx_wayland_data_t *wl, EGLint *attr)
{
switch (wl_api)
{
#ifdef EGL_KHR_create_context
case GFX_CTX_OPENGL_API:
{
bool debug = false;
#ifdef HAVE_OPENGL
unsigned version = wl->egl.major * 1000 + wl->egl.minor;
bool core = version >= 3001;
#ifndef GL_DEBUG
struct retro_hw_render_callback *hwr =
video_driver_get_hw_context();
#endif
#ifdef GL_DEBUG
debug = true;
#else
debug = hwr->debug_context;
#endif
if (core)
{
*attr++ = EGL_CONTEXT_MAJOR_VERSION_KHR;
*attr++ = wl->egl.major;
*attr++ = EGL_CONTEXT_MINOR_VERSION_KHR;
*attr++ = wl->egl.minor;
/* Technically, we don't have core/compat until 3.2.
* Version 3.1 is either compat or not depending on GL_ARB_compatibility. */
if (version >= 3002)
{
*attr++ = EGL_CONTEXT_OPENGL_PROFILE_MASK_KHR;
*attr++ = EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT_KHR;
}
}
if (debug)
{
*attr++ = EGL_CONTEXT_FLAGS_KHR;
*attr++ = EGL_CONTEXT_OPENGL_DEBUG_BIT_KHR;
}
#endif
break;
}
#endif
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_OPENGLES
*attr++ = EGL_CONTEXT_CLIENT_VERSION; /* Same as EGL_CONTEXT_MAJOR_VERSION */
*attr++ = wl->egl.major ? (EGLint)wl->egl.major : 2;
#ifdef EGL_KHR_create_context
if (wl->egl.minor > 0)
{
*attr++ = EGL_CONTEXT_MINOR_VERSION_KHR;
*attr++ = wl->egl.minor;
}
#endif
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
*attr = EGL_NONE;
return attr;
}
#endif
static void gfx_ctx_wl_destroy(void *data)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
if (!wl)
return;
gfx_ctx_wl_destroy_resources(wl);
switch (wl_api)
{
case GFX_CTX_VULKAN_API:
#if defined(HAVE_VULKAN) && defined(HAVE_THREADS)
if (wl->vk.context.queue_lock)
slock_free(wl->vk.context.queue_lock);
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
free(wl);
}
static void gfx_ctx_wl_set_swap_interval(void *data, int swap_interval)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
switch (wl_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
case GFX_CTX_OPENVG_API:
#ifdef HAVE_EGL
egl_set_swap_interval(&wl->egl, swap_interval);
#endif
break;
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
if (wl->swap_interval != swap_interval)
{
wl->swap_interval = swap_interval;
if (wl->vk.swapchain)
wl->vk.need_new_swapchain = true;
}
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
}
static bool gfx_ctx_wl_set_video_mode(void *data,
video_frame_info_t *video_info,
unsigned width, unsigned height,
bool fullscreen)
{
#ifdef HAVE_EGL
EGLint egl_attribs[16];
EGLint *attr = egl_fill_attribs(
(gfx_ctx_wayland_data_t*)data, egl_attribs);
#endif
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
wl->width = width ? width : DEFAULT_WINDOWED_WIDTH;
wl->height = height ? height : DEFAULT_WINDOWED_HEIGHT;
wl->surface = wl_compositor_create_surface(wl->compositor);
wl_surface_set_buffer_scale(wl->surface, wl->buffer_scale);
wl_surface_add_listener(wl->surface, &wl_surface_listener, wl);
switch (wl_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
case GFX_CTX_OPENVG_API:
#ifdef HAVE_EGL
wl->win = wl_egl_window_create(wl->surface, wl->width * wl->buffer_scale, wl->height * wl->buffer_scale);
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
if (wl->xdg_shell)
{
wl->xdg_surface = xdg_wm_base_get_xdg_surface(wl->xdg_shell, wl->surface);
xdg_surface_add_listener(wl->xdg_surface, &xdg_surface_listener, wl);
wl->xdg_toplevel = xdg_surface_get_toplevel(wl->xdg_surface);
xdg_toplevel_add_listener(wl->xdg_toplevel, &xdg_toplevel_listener, wl);
xdg_toplevel_set_app_id(wl->xdg_toplevel, "retroarch");
xdg_toplevel_set_title(wl->xdg_toplevel, "RetroArch");
if (wl->deco_manager)
{
wl->deco = zxdg_decoration_manager_v1_get_toplevel_decoration(
wl->deco_manager, wl->xdg_toplevel);
}
/* Waiting for xdg_toplevel to be configured before starting to draw */
wl_surface_commit(wl->surface);
wl->configured = true;
while (wl->configured)
wl_display_dispatch(wl->input.dpy);
wl_display_roundtrip(wl->input.dpy);
xdg_wm_base_add_listener(wl->xdg_shell, &xdg_shell_listener, NULL);
}
else if (wl->zxdg_shell)
{
wl->zxdg_surface = zxdg_shell_v6_get_xdg_surface(wl->zxdg_shell, wl->surface);
zxdg_surface_v6_add_listener(wl->zxdg_surface, &zxdg_surface_v6_listener, wl);
wl->zxdg_toplevel = zxdg_surface_v6_get_toplevel(wl->zxdg_surface);
zxdg_toplevel_v6_add_listener(wl->zxdg_toplevel, &zxdg_toplevel_v6_listener, wl);
zxdg_toplevel_v6_set_app_id(wl->zxdg_toplevel, "retroarch");
zxdg_toplevel_v6_set_title(wl->zxdg_toplevel, "RetroArch");
if (wl->deco_manager)
wl->deco = zxdg_decoration_manager_v1_get_toplevel_decoration(
wl->deco_manager, wl->xdg_toplevel);
/* Waiting for xdg_toplevel to be configured before starting to draw */
wl_surface_commit(wl->surface);
wl->configured = true;
while (wl->configured)
wl_display_dispatch(wl->input.dpy);
wl_display_roundtrip(wl->input.dpy);
zxdg_shell_v6_add_listener(wl->zxdg_shell, &zxdg_shell_v6_listener, NULL);
}
switch (wl_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
case GFX_CTX_OPENVG_API:
#ifdef HAVE_EGL
if (!egl_create_context(&wl->egl, (attr != egl_attribs) ? egl_attribs : NULL))
{
egl_report_error();
goto error;
}
if (!egl_create_surface(&wl->egl, (EGLNativeWindowType)wl->win))
goto error;
egl_set_swap_interval(&wl->egl, wl->egl.interval);
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
if (fullscreen)
{
if (wl->xdg_toplevel)
xdg_toplevel_set_fullscreen(wl->xdg_toplevel, NULL);
else if (wl->zxdg_toplevel)
zxdg_toplevel_v6_set_fullscreen(wl->zxdg_toplevel, NULL);
}
flush_wayland_fd(&wl->input);
switch (wl_api)
{
case GFX_CTX_VULKAN_API:
wl_display_roundtrip(wl->input.dpy);
#ifdef HAVE_VULKAN
if (!vulkan_surface_create(&wl->vk, VULKAN_WSI_WAYLAND,
wl->input.dpy, wl->surface,
wl->width * wl->buffer_scale, wl->height * wl->buffer_scale, wl->swap_interval))
goto error;
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
if (fullscreen)
{
wl->cursor.visible = false;
gfx_ctx_wl_show_mouse(wl, false);
}
else
wl->cursor.visible = true;
return true;
error:
gfx_ctx_wl_destroy(data);
return false;
}
bool input_wl_init(void *data, const char *joypad_name);
static void gfx_ctx_wl_input_driver(void *data,
const char *joypad_name,
input_driver_t **input, void **input_data)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
/* Input is heavily tied to the window stuff
* on Wayland, so just implement the input driver here. */
if (!input_wl_init(&wl->input, joypad_name))
{
*input = NULL;
*input_data = NULL;
}
else
{
*input = &input_wayland;
*input_data = &wl->input;
}
}
static bool gfx_ctx_wl_has_focus(void *data)
{
(void)data;
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
return wl->input.keyboard_focus;
}
static bool gfx_ctx_wl_suppress_screensaver(void *data, bool state)
{
(void)data;
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
if (!wl->idle_inhibit_manager)
return false;
if (state == (!!wl->idle_inhibitor))
return true;
if (state)
{
RARCH_LOG("[Wayland]: Enabling idle inhibitor\n");
struct zwp_idle_inhibit_manager_v1 *mgr = wl->idle_inhibit_manager;
wl->idle_inhibitor = zwp_idle_inhibit_manager_v1_create_inhibitor(mgr, wl->surface);
}
else
{
RARCH_LOG("[Wayland]: Disabling the idle inhibitor\n");
zwp_idle_inhibitor_v1_destroy(wl->idle_inhibitor);
wl->idle_inhibitor = NULL;
}
return true;
}
static enum gfx_ctx_api gfx_ctx_wl_get_api(void *data)
{
return wl_api;
}
static bool gfx_ctx_wl_bind_api(void *video_driver,
enum gfx_ctx_api api, unsigned major, unsigned minor)
{
#ifdef HAVE_EGL
g_egl_major = major;
g_egl_minor = minor;
#endif
wl_api = api;
switch (api)
{
case GFX_CTX_OPENGL_API:
#ifdef HAVE_OPENGL
#ifndef EGL_KHR_create_context
if ((major * 1000 + minor) >= 3001)
return false;
#endif
#ifdef HAVE_EGL
if (eglBindAPI(EGL_OPENGL_API) == EGL_TRUE)
return true;
#endif
#endif
break;
case GFX_CTX_OPENGL_ES_API:
#ifdef HAVE_OPENGLES
#ifndef EGL_KHR_create_context
if (major >= 3)
return false;
#endif
#ifdef HAVE_EGL
if (eglBindAPI(EGL_OPENGL_ES_API) == EGL_TRUE)
return true;
#endif
#endif
break;
case GFX_CTX_OPENVG_API:
#ifdef HAVE_VG
#ifdef HAVE_EGL
if (eglBindAPI(EGL_OPENVG_API) == EGL_TRUE)
return true;
#endif
#endif
break;
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
return true;
#else
break;
#endif
case GFX_CTX_NONE:
default:
break;
}
return false;
}
#ifdef HAVE_VULKAN
static void *gfx_ctx_wl_get_context_data(void *data)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
return &wl->vk.context;
}
#endif
static void gfx_ctx_wl_swap_buffers(void *data, void *data2)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
switch (wl_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
case GFX_CTX_OPENVG_API:
#ifdef HAVE_EGL
egl_swap_buffers(&wl->egl);
#endif
break;
case GFX_CTX_VULKAN_API:
#ifdef HAVE_VULKAN
vulkan_present(&wl->vk, wl->vk.context.current_swapchain_index);
vulkan_acquire_next_image(&wl->vk);
flush_wayland_fd(&wl->input);
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
}
static gfx_ctx_proc_t gfx_ctx_wl_get_proc_address(const char *symbol)
{
switch (wl_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
case GFX_CTX_OPENVG_API:
#ifdef HAVE_EGL
return egl_get_proc_address(symbol);
#else
break;
#endif
case GFX_CTX_NONE:
default:
break;
}
return NULL;
}
static void gfx_ctx_wl_bind_hw_render(void *data, bool enable)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
switch (wl_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
case GFX_CTX_OPENVG_API:
#ifdef HAVE_EGL
egl_bind_hw_render(&wl->egl, enable);
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
}
static uint32_t gfx_ctx_wl_get_flags(void *data)
{
uint32_t flags = 0;
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
if (wl->core_hw_context_enable)
BIT32_SET(flags, GFX_CTX_FLAGS_GL_CORE_CONTEXT);
switch (wl_api)
{
case GFX_CTX_OPENGL_API:
case GFX_CTX_OPENGL_ES_API:
if (string_is_equal(video_driver_get_ident(), "glcore"))
{
#if defined(HAVE_SLANG) && defined(HAVE_SPIRV_CROSS)
BIT32_SET(flags, GFX_CTX_FLAGS_SHADERS_SLANG);
#endif
}
else if (string_is_equal(video_driver_get_ident(), "gl"))
{
#ifdef HAVE_GLSL
BIT32_SET(flags, GFX_CTX_FLAGS_SHADERS_GLSL);
#endif
}
break;
case GFX_CTX_VULKAN_API:
#if defined(HAVE_SLANG) && defined(HAVE_SPIRV_CROSS)
BIT32_SET(flags, GFX_CTX_FLAGS_SHADERS_SLANG);
#endif
break;
case GFX_CTX_NONE:
default:
break;
}
return flags;
}
static void gfx_ctx_wl_set_flags(void *data, uint32_t flags)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
if (BIT32_GET(flags, GFX_CTX_FLAGS_GL_CORE_CONTEXT))
wl->core_hw_context_enable = true;
}
static void gfx_ctx_wl_show_mouse(void *data, bool state)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
if (!wl->wl_pointer)
return;
if (state)
{
struct wl_cursor_image *image = wl->cursor.default_cursor->images[0];
wl_pointer_set_cursor(wl->wl_pointer, wl->cursor.serial, wl->cursor.surface, image->hotspot_x, image->hotspot_y);
wl_surface_attach(wl->cursor.surface, wl_cursor_image_get_buffer(image), 0, 0);
wl_surface_damage(wl->cursor.surface, 0, 0, image->width, image->height);
wl_surface_commit(wl->cursor.surface);
}
else
wl_pointer_set_cursor(wl->wl_pointer, wl->cursor.serial, NULL, 0, 0);
wl->cursor.visible = state;
}
static float gfx_ctx_wl_get_refresh_rate(void *data)
{
gfx_ctx_wayland_data_t *wl = (gfx_ctx_wayland_data_t*)data;
if (!wl || !wl->current_output)
return false;
return (float) wl->current_output->refresh_rate / 1000.0f;
}
const gfx_ctx_driver_t gfx_ctx_wayland = {
gfx_ctx_wl_init,
gfx_ctx_wl_destroy,
gfx_ctx_wl_get_api,
gfx_ctx_wl_bind_api,
gfx_ctx_wl_set_swap_interval,
gfx_ctx_wl_set_video_mode,
gfx_ctx_wl_get_video_size,
gfx_ctx_wl_get_refresh_rate,
NULL, /* get_video_output_size */
NULL, /* get_video_output_prev */
NULL, /* get_video_output_next */
gfx_ctx_wl_get_metrics,
NULL,
gfx_ctx_wl_update_title,
gfx_ctx_wl_check_window,
gfx_ctx_wl_set_resize,
gfx_ctx_wl_has_focus,
gfx_ctx_wl_suppress_screensaver,
true, /* has_windowed */
gfx_ctx_wl_swap_buffers,
gfx_ctx_wl_input_driver,
gfx_ctx_wl_get_proc_address,
NULL,
NULL,
gfx_ctx_wl_show_mouse,
"wayland",
gfx_ctx_wl_get_flags,
gfx_ctx_wl_set_flags,
gfx_ctx_wl_bind_hw_render,
#ifdef HAVE_VULKAN
gfx_ctx_wl_get_context_data,
#else
NULL,
#endif
NULL,
};
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