SDL_waylandopengles.c
Go to the documentation of this file.
/*
Simple DirectMedia Layer
Copyright (C) 1997-2019 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_internal.h"
#if SDL_VIDEO_DRIVER_WAYLAND && SDL_VIDEO_OPENGL_EGL
#include "../SDL_sysvideo.h"
#include "../../events/SDL_windowevents_c.h"
#include "SDL_waylandvideo.h"
#include "SDL_waylandopengles.h"
#include "SDL_waylandwindow.h"
#include "SDL_waylandevents_c.h"
#include "SDL_waylanddyn.h"
#include "xdg-shell-client-protocol.h"
#include "xdg-shell-unstable-v6-client-protocol.h"
/* EGL implementation of SDL OpenGL ES support */
int
Wayland_GLES_LoadLibrary(_THIS, const char *path) {
int ret;
SDL_VideoData *data = (SDL_VideoData *) _this->driverdata;
ret = SDL_EGL_LoadLibrary(_this, path, (NativeDisplayType) data->display, 0);
Wayland_PumpEvents(_this);
WAYLAND_wl_display_flush(data->display);
return ret;
}
SDL_GLContext
Wayland_GLES_CreateContext(_THIS, SDL_Window * window)
{
SDL_GLContext context;
context = SDL_EGL_CreateContext(_this, ((SDL_WindowData *) window->driverdata)->egl_surface);
WAYLAND_wl_display_flush( ((SDL_VideoData*)_this->driverdata)->display );
return context;
}
int
Wayland_GLES_SwapWindow(_THIS, SDL_Window *window)
{
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
struct wl_region *region;
if (SDL_EGL_SwapBuffers(_this, data->egl_surface) < 0) {
return -1;
}
// Wayland-EGL forbids drawing calls in-between SwapBuffers and wl_egl_window_resize
if (data->resize.pending) {
if (data->scale_factor != data->resize.scale_factor) {
window->w = 0;
window->h = 0;
}
SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESIZED, data->resize.width, data->resize.height);
window->w = data->resize.width;
window->h = data->resize.height;
data->scale_factor = data->resize.scale_factor;
wl_surface_set_buffer_scale(data->surface, data->scale_factor);
WAYLAND_wl_egl_window_resize(data->egl_window, window->w * data->scale_factor, window->h * data->scale_factor, 0, 0);
if (data->resize.configure) {
if (data->waylandData->shell.xdg) {
xdg_surface_ack_configure(data->shell_surface.xdg.surface, data->resize.serial);
} else if (data->waylandData->shell.zxdg) {
zxdg_surface_v6_ack_configure(data->shell_surface.zxdg.surface, data->resize.serial);
}
data->resize.configure = SDL_FALSE;
}
region = wl_compositor_create_region(data->waylandData->compositor);
wl_region_add(region, 0, 0, window->w, window->h);
wl_surface_set_opaque_region(data->surface, region);
wl_region_destroy(region);
data->resize.pending = SDL_FALSE;
}
WAYLAND_wl_display_flush( data->waylandData->display );
return 0;
}
int
Wayland_GLES_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context)
{
int ret;
if (window && context) {
ret = SDL_EGL_MakeCurrent(_this, ((SDL_WindowData *) window->driverdata)->egl_surface, context);
}
else {
ret = SDL_EGL_MakeCurrent(_this, NULL, NULL);
}
WAYLAND_wl_display_flush( ((SDL_VideoData*)_this->driverdata)->display );
return ret;
}
void
Wayland_GLES_GetDrawableSize(_THIS, SDL_Window * window, int * w, int * h)
{
SDL_WindowData *data;
if (window->driverdata) {
data = (SDL_WindowData *) window->driverdata;
if (w) {
*w = window->w * data->scale_factor;
}
if (h) {
*h = window->h * data->scale_factor;
}
}
}
void
Wayland_GLES_DeleteContext(_THIS, SDL_GLContext context)
{
SDL_EGL_DeleteContext(_this, context);
WAYLAND_wl_display_flush( ((SDL_VideoData*)_this->driverdata)->display );
}
#endif /* SDL_VIDEO_DRIVER_WAYLAND && SDL_VIDEO_OPENGL_EGL */
/* vi: set ts=4 sw=4 expandtab: */
SDL_waylandvideo.h
SDL_waylandevents_c.h
SDL_VideoDevice::driverdata
void * driverdata
Definition: SDL_sysvideo.h:381
Wayland_GLES_MakeCurrent
int Wayland_GLES_MakeCurrent(_THIS, SDL_Window *window, SDL_GLContext context)
wl_surface_set_opaque_region
static void wl_surface_set_opaque_region(struct wl_surface *wl_surface, struct wl_region *region)
Definition: wayland-client-protocol.h:3558
Wayland_GLES_LoadLibrary
int Wayland_GLES_LoadLibrary(_THIS, const char *path)
NULL
#define NULL
Definition: begin_code.h:167
Wayland_GLES_GetDrawableSize
void Wayland_GLES_GetDrawableSize(_THIS, SDL_Window *window, int *w, int *h)
Wayland_GLES_CreateContext
SDL_GLContext Wayland_GLES_CreateContext(_THIS, SDL_Window *window)
SDL_WindowData
Definition: SDL_androidwindow.h:38
SDL_waylandopengles.h
SDL_WINDOWEVENT_RESIZED
@ SDL_WINDOWEVENT_RESIZED
Definition: SDL_video.h:155
wl_region_add
static void wl_region_add(struct wl_region *wl_region, int32_t x, int32_t y, int32_t width, int32_t height)
Definition: wayland-client-protocol.h:5283
Wayland_GLES_SwapWindow
int Wayland_GLES_SwapWindow(_THIS, SDL_Window *window)
path
GLsizei const GLchar *const * path
Definition: SDL_opengl_glext.h:3730
Wayland_PumpEvents
void Wayland_PumpEvents(_THIS)
zxdg_surface_v6_ack_configure
static void zxdg_surface_v6_ack_configure(struct zxdg_surface_v6 *zxdg_surface_v6, uint32_t serial)
Definition: xdg-shell-unstable-v6-client-protocol.h:989
h
GLfloat GLfloat GLfloat GLfloat h
Definition: SDL_opengl_glext.h:1946
data
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
Definition: SDL_opengl.h:1974
SDL_Window
The type used to identify a window.
Definition: SDL_sysvideo.h:73
Wayland_GLES_DeleteContext
void Wayland_GLES_DeleteContext(_THIS, SDL_GLContext context)
xdg-shell-unstable-v6-client-protocol.h
wl_region_destroy
static void wl_region_destroy(struct wl_region *wl_region)
Definition: wayland-client-protocol.h:5269
wl_compositor_create_region
static struct wl_region * wl_compositor_create_region(struct wl_compositor *wl_compositor)
Definition: wayland-client-protocol.h:1207
SDL_FALSE
@ SDL_FALSE
Definition: SDL_stdinc.h:163
context
static screen_context_t context
Definition: video.c:25
_this
static SDL_VideoDevice * _this
Definition: SDL_video.c:118
NativeDisplayType
EGLNativeDisplayType NativeDisplayType
Definition: eglplatform.h:110
window
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
xdg_surface_ack_configure
static void xdg_surface_ack_configure(struct xdg_surface *xdg_surface, uint32_t serial)
Definition: xdg-shell-client-protocol.h:1006
SDL_waylandwindow.h
_THIS
#define _THIS
Definition: SDL_alsa_audio.h:31
wl_surface_set_buffer_scale
static void wl_surface_set_buffer_scale(struct wl_surface *wl_surface, int32_t scale)
Definition: wayland-client-protocol.h:3693
SDL_GLContext
void * SDL_GLContext
An opaque handle to an OpenGL context.
Definition: SDL_video.h:193
xdg-shell-client-protocol.h
SDL_waylanddyn.h
SDL_SendWindowEvent
int SDL_SendWindowEvent(SDL_Window *window, Uint8 windowevent, int data1, int data2)
Definition: SDL_windowevents.c:74
SDL_VideoData
Definition: SDL_androidvideo.h:36
w
GLubyte GLubyte GLubyte GLubyte w
Definition: SDL_opengl_glext.h:731