compositor: Generate Framebuffer in the backends

compositor/compositor-drm.c

@@ -352,6 +352,9 @@ drm_compositor_create(struct wl_display *display, int connector)
 	ec->base.create_buffer = wlsc_drm_buffer_create;
 	ec->base.focus = 1;
 
+	glGenFramebuffers(1, &ec->base.fbo);
+	glBindFramebuffer(GL_FRAMEBUFFER, ec->base.fbo);
+
 	/* Can't init base class until we have a current egl context */
 	if (wlsc_compositor_init(&ec->base, display) < 0)
 		return NULL;

compositor/compositor-wayland.c

@@ -519,6 +519,9 @@ wayland_compositor_create(struct wl_display *display, int width, int height)
 	c->base.present = wayland_compositor_present;
 	c->base.create_buffer = wlsc_drm_buffer_create;
 
+	glGenFramebuffers(1, &c->base.fbo);
+	glBindFramebuffer(GL_FRAMEBUFFER, c->base.fbo);
+
 	/* Can't init base class until we have a current egl context */
 	if (wlsc_compositor_init(&c->base, display) < 0)
 		return NULL;

compositor/compositor-x11.c

@@ -731,6 +731,9 @@ x11_compositor_create(struct wl_display *display, int width, int height)
 	c->base.present = x11_compositor_present;
 	c->base.create_buffer = wlsc_drm_buffer_create;
 
+	glGenFramebuffers(1, &c->base.fbo);
+	glBindFramebuffer(GL_FRAMEBUFFER, c->base.fbo);
+
 	/* Can't init base class until we have a current egl context */
 	if (wlsc_compositor_init(&c->base, display) < 0)
 		return NULL;

compositor/compositor.c

@@ -1353,8 +1353,6 @@ wlsc_compositor_init(struct wlsc_compositor *ec, struct wl_display *display)
 		return -1;
 	}
 
-	glGenFramebuffers(1, &ec->fbo);
-	glBindFramebuffer(GL_FRAMEBUFFER, ec->fbo);
 	glActiveTexture(GL_TEXTURE0);
 	if (init_shaders(ec) < 0)
 		return -1;