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Wayland support

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Based on the original port to Wayland by: Joel Teichroeb, Benjamin Franzke, Scott Moreau, et al.

Additional changes in this commit, done by me:

* Wayland uses the common EGL framework
* EGL can now create a desktop OpenGL context
* testgl2 loads GL functions dynamically, no need to link to libGL anymore
* Assorted fixes to the Wayland backend

Tested on the Weston Compositor (v1.0.5) that ships with Ubuntu 13.10,
running Weston under X. Tests ran: testrendercopyex (all backends), testgl2, testgles2,testintersections
This commit is contained in:
Gabriel Jacobo 2013-12-14 20:18:43 -03:00
parent b71add8edb
commit 3308d271b5
25 changed files with 2035 additions and 129 deletions
Download patch file Download diff file Expand all files Collapse all files

192
src/video/wayland/SDL_waylandwindow.c Normal file
View file

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/*
Simple DirectMedia Layer
Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "SDL_config.h"
#include "../SDL_sysvideo.h"
#include "../../events/SDL_windowevents_c.h"
#include "../SDL_egl_c.h"
#include "SDL_waylandwindow.h"
#include "SDL_waylandvideo.h"
static void
handle_ping(void *data, struct wl_shell_surface *shell_surface,
uint32_t serial)
{
wl_shell_surface_pong(shell_surface, serial);
}
static void
handle_configure(void *data, struct wl_shell_surface *shell_surface,
uint32_t edges, int32_t width, int32_t height)
{
}
static void
handle_popup_done(void *data, struct wl_shell_surface *shell_surface)
{
}
static const struct wl_shell_surface_listener shell_surface_listener = {
handle_ping,
handle_configure,
handle_popup_done
};
SDL_bool
Wayland_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
{
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
info->info.wl.display = data->waylandData->display;
info->info.wl.surface = data->surface;
info->info.wl.shell_surface = data->shell_surface;
info->subsystem = SDL_SYSWM_WAYLAND;
return SDL_TRUE;
}
void Wayland_ShowWindow(_THIS, SDL_Window *window)
{
SDL_WindowData *wind = window->driverdata;
if (window->flags & SDL_WINDOW_FULLSCREEN)
wl_shell_surface_set_fullscreen(wind->shell_surface,
WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT,
0, NULL);
else
wl_shell_surface_set_toplevel(wind->shell_surface);
wayland_schedule_write(_this->driverdata);
}
void
Wayland_SetWindowFullscreen(_THIS, SDL_Window * window,
SDL_VideoDisplay * _display, SDL_bool fullscreen)
{
SDL_WindowData *wind = window->driverdata;
if (fullscreen)
wl_shell_surface_set_fullscreen(wind->shell_surface,
WL_SHELL_SURFACE_FULLSCREEN_METHOD_SCALE,
0, NULL);
else
wl_shell_surface_set_toplevel(wind->shell_surface);
wayland_schedule_write(_this->driverdata);
}
int Wayland_CreateWindow(_THIS, SDL_Window *window)
{
SDL_WindowData *data;
SDL_VideoData *c;
struct wl_region *region;
data = calloc(1, sizeof *data);
if (data == NULL)
return 0;
c = _this->driverdata;
window->driverdata = data;
if (!(window->flags & SDL_WINDOW_OPENGL)) {
SDL_GL_LoadLibrary(NULL);
window->flags |= SDL_WINDOW_OPENGL;
}
if (window->x == SDL_WINDOWPOS_UNDEFINED) {
window->x = 0;
}
if (window->y == SDL_WINDOWPOS_UNDEFINED) {
window->y = 0;
}
data->waylandData = c;
data->sdlwindow = window;
data->surface =
wl_compositor_create_surface(c->compositor);
wl_surface_set_user_data(data->surface, data);
data->shell_surface = wl_shell_get_shell_surface(c->shell,
data->surface);
data->egl_window = wl_egl_window_create(data->surface,
window->w, window->h);
/* Create the GLES window surface */
data->egl_surface = SDL_EGL_CreateSurface(_this, (NativeWindowType) data->egl_window);
if (data->egl_surface == EGL_NO_SURFACE) {
SDL_SetError("failed to create a window surface");
return -1;
}
if (data->shell_surface) {
wl_shell_surface_set_user_data(data->shell_surface, data);
wl_shell_surface_add_listener(data->shell_surface,
&shell_surface_listener, data);
}
region = wl_compositor_create_region(c->compositor);
wl_region_add(region, 0, 0, window->w, window->h);
wl_surface_set_opaque_region(data->surface, region);
wl_region_destroy(region);
wayland_schedule_write(c);
return 0;
}
void Wayland_SetWindowSize(_THIS, SDL_Window * window)
{
SDL_VideoData *data = _this->driverdata;
SDL_WindowData *wind = window->driverdata;
struct wl_region *region;
wl_egl_window_resize(wind->egl_window, window->w, window->h, 0, 0);
region = wl_compositor_create_region(data->compositor);
wl_region_add(region, 0, 0, window->w, window->h);
wl_surface_set_opaque_region(wind->surface, region);
wl_region_destroy(region);
}
void Wayland_DestroyWindow(_THIS, SDL_Window *window)
{
SDL_VideoData *data = _this->driverdata;
SDL_WindowData *wind = window->driverdata;
window->driverdata = NULL;
if (data) {
SDL_EGL_DestroySurface(_this, wind->egl_surface);
wl_egl_window_destroy(wind->egl_window);
if (wind->shell_surface)
wl_shell_surface_destroy(wind->shell_surface);
wl_surface_destroy(wind->surface);
SDL_free(wind);
wayland_schedule_write(data);
}
}
/* vi: set ts=4 sw=4 expandtab: */