llvmpipe: Clean dead tile cache code.

src/gallium/drivers/llvmpipe/lp_tile_cache.c

@@ -115,10 +115,6 @@ lp_destroy_tile_cache(struct llvmpipe_tile_cache *tc)
       screen = tc->transfer->texture->screen;
       screen->tex_transfer_destroy(tc->transfer);
    }
-   if (tc->tex_trans) {
-      screen = tc->tex_trans->texture->screen;
-      screen->tex_transfer_destroy(tc->tex_trans);
-   }
 
    align_free( tc );
 }
@@ -131,8 +127,6 @@ void
 lp_tile_cache_set_surface(struct llvmpipe_tile_cache *tc,
                           struct pipe_surface *ps)
 {
-   assert(!tc->texture);
-
    if (tc->transfer) {
       struct pipe_screen *screen = tc->transfer->texture->screen;
 
@@ -176,9 +170,6 @@ lp_tile_cache_map_transfers(struct llvmpipe_tile_cache *tc)
 {
    if (tc->transfer && !tc->transfer_map)
       tc->transfer_map = tc->screen->transfer_map(tc->screen, tc->transfer);
-
-   if (tc->tex_trans && !tc->tex_trans_map)
-      tc->tex_trans_map = tc->screen->transfer_map(tc->screen, tc->tex_trans);
 }
 
 
@@ -189,11 +180,6 @@ lp_tile_cache_unmap_transfers(struct llvmpipe_tile_cache *tc)
       tc->screen->transfer_unmap(tc->screen, tc->transfer);
       tc->transfer_map = NULL;
    }
-
-   if (tc->tex_trans_map) {
-      tc->screen->transfer_unmap(tc->screen, tc->tex_trans);
-      tc->tex_trans_map = NULL;
-   }
 }
 
 
@@ -295,13 +281,6 @@ lp_flush_tile_cache(struct llvmpipe_tile_cache *tc)
       lp_tile_cache_flush_clear(tc);
 #endif
    }
-   else if (tc->texture) {
-      /* caching a texture, mark all entries as empty */
-      for (pos = 0; pos < NUM_ENTRIES; pos++) {
-         tc->entries[pos].addr.bits.invalid = 1;
-      }
-      tc->tex_face = -1;
-   }
 
 #if 0
    debug_printf("flushed tiles in use: %d\n", inuse);

src/gallium/drivers/llvmpipe/lp_tile_cache.h

@@ -77,18 +77,11 @@ struct llvmpipe_tile_cache
    struct pipe_transfer *transfer;
    void *transfer_map;
 
-   struct pipe_texture *texture;  /**< if caching a texture */
-   unsigned timestamp;
-
    struct llvmpipe_cached_tile entries[NUM_ENTRIES];
    uint clear_flags[(MAX_WIDTH / TILE_SIZE) * (MAX_HEIGHT / TILE_SIZE) / 32];
    uint8_t clear_color[4];  /**< for color bufs */
    uint clear_val;        /**< for z+stencil, or packed color clear value */
 
-   struct pipe_transfer *tex_trans;
-   void *tex_trans_map;
-   int tex_face, tex_level, tex_z;
-
    struct llvmpipe_cached_tile *last_tile;  /**< most recently retrieved tile */
 };