#include "util/u_math.h"
#include "util/u_memory.h"
+#include "util/u_simple_list.h"
#include "lp_scene.h"
scene->data.head =
scene->data.tail = CALLOC_STRUCT(data_block);
+ make_empty_list(&scene->textures);
+
pipe_mutex_init(scene->mutex);
}
list->head = list->tail;
list->head->used = 0;
}
+
+ /* Release texture refs
+ */
+ {
+ struct texture_ref *ref, *next, *ref_list = &scene->textures;
+ for (ref = ref_list->next; ref != ref_list; ref = next) {
+ next = next_elem(ref);
+ pipe_texture_reference(&ref->texture, NULL);
+ FREE(ref);
+ }
+ make_empty_list(ref_list);
+ }
}
/**
+ * Add a reference to a texture by the scene.
+ */
+void
+lp_scene_texture_reference( struct lp_scene *scene,
+ struct pipe_texture *texture )
+{
+ struct texture_ref *ref = CALLOC_STRUCT(texture_ref);
+ if (ref) {
+ struct texture_ref *ref_list = &scene->textures;
+ pipe_texture_reference(&ref->texture, texture);
+ insert_at_tail(ref_list, ref);
+ }
+}
+
+
+/**
+ * Does this scene have a reference to the given texture?
+ */
+boolean
+lp_scene_is_textured_referenced( const struct lp_scene *scene,
+ const struct pipe_texture *texture )
+{
+ const struct texture_ref *ref_list = &scene->textures;
+ const struct texture_ref *ref;
+ foreach (ref, ref_list) {
+ if (ref->texture == texture)
+ return TRUE;
+ }
+ return FALSE;
+}
+
+
+/**
* Return last command in the bin
*/
static lp_rast_cmd
};
+/** List of texture references */
+struct texture_ref {
+ struct pipe_texture *texture;
+ struct texture_ref *prev, *next; /**< linked list w/ u_simple_list.h */
+};
+
+
/**
* All bins and bin data are contained here.
* Per-bin data goes into the 'tile' bins.
/** the framebuffer to render the scene into */
struct pipe_framebuffer_state fb;
+ /** list of textures referenced by the scene commands */
+ struct texture_ref textures;
+
boolean write_depth;
/**
unsigned lp_scene_bin_size( const struct lp_scene *scene, unsigned x, unsigned y );
+void lp_scene_texture_reference( struct lp_scene *scene,
+ struct pipe_texture *texture );
+
+boolean lp_scene_is_textured_referenced( const struct lp_scene *scene,
+ const struct pipe_texture *texture );
+
/**
* Allocate space for a command/data in the bin's data buffer.