egl-wayland: Make sure we allocate a back buffer even if nothing was rendered
At eglSwapBuffer time, we blindly assume we have a back buffer, but the back buffer only gets allocated when somebody tries to render something. NOTE: This is a candidate for the 9.0 and 9.1 branches. https://bugs.freedesktop.org/show_bug.cgi?id=60086
This commit is contained in:
parent
a4b9678a54
commit
1fe007399c
|
@ -446,6 +446,7 @@ dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
|
|||
{
|
||||
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
|
||||
struct dri2_egl_surface *dri2_surf = dri2_egl_surface(draw);
|
||||
__DRIbuffer buffer;
|
||||
int i, ret = 0;
|
||||
|
||||
while (dri2_surf->frame_callback && ret != -1)
|
||||
|
@ -463,6 +464,13 @@ dri2_swap_buffers(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw)
|
|||
if (dri2_surf->color_buffers[i].age > 0)
|
||||
dri2_surf->color_buffers[i].age++;
|
||||
|
||||
/* Make sure we have a back buffer in case we're swapping without ever
|
||||
* rendering. */
|
||||
if (get_back_bo(dri2_surf, &buffer) < 0) {
|
||||
_eglError(EGL_BAD_ALLOC, "dri2_swap_buffers");
|
||||
return EGL_FALSE;
|
||||
}
|
||||
|
||||
dri2_surf->back->age = 1;
|
||||
dri2_surf->current = dri2_surf->back;
|
||||
dri2_surf->back = NULL;
|
||||
|
|
Loading…
Reference in New Issue