compositor: Drop unused saved_texture surface field

src/compositor.c

@@ -195,7 +195,6 @@ weston_surface_create(struct weston_compositor *compositor,
 	surface->visual = WESTON_NONE_VISUAL;
 	surface->shader = &compositor->texture_shader;
 	surface->image = EGL_NO_IMAGE_KHR;
-	surface->saved_texture = 0;
 	surface->x = x;
 	surface->y = y;
 	surface->width = width;
@@ -367,10 +366,7 @@ destroy_surface(struct wl_resource *resource)
 	wl_list_remove(&surface->link);
 	weston_compositor_repick(compositor);
 
-	if (surface->saved_texture == 0)
-		glDeleteTextures(1, &surface->texture);
-	else
-		glDeleteTextures(1, &surface->saved_texture);
+	glDeleteTextures(1, &surface->texture);
 
 	if (surface->buffer)
 		wl_list_remove(&surface->buffer_destroy_listener.link);
@@ -394,9 +390,6 @@ weston_buffer_attach(struct wl_buffer *buffer, struct wl_surface *surface)
 	struct weston_compositor *ec = es->compositor;
 	struct wl_list *surfaces_attached_to;
 
-	if (es->saved_texture != 0)
-		es->texture = es->saved_texture;
-
 	glBindTexture(GL_TEXTURE_2D, es->texture);
 
 	if (wl_buffer_is_shm(buffer)) {

src/compositor.h

@@ -226,7 +226,7 @@ enum weston_output_flags {
 struct weston_surface {
 	struct wl_surface surface;
 	struct weston_compositor *compositor;
-	GLuint texture, saved_texture;
+	GLuint texture;
 	pixman_region32_t damage;
 	pixman_region32_t opaque;
 	int32_t x, y, width, height;