r600g/compute: Allow compute_memory_defrag to defragment between resources

This will be used in the following patch to avoid duplicated code

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>

diff --git a/src/gallium/drivers/r600/compute_memory_pool.c b/src/gallium/drivers/r600/compute_memory_pool.c
index 1c75dd9..a66ead5 100644 (file)
--- a/src/gallium/drivers/r600/compute_memory_pool.c
+++ b/src/gallium/drivers/r600/compute_memory_pool.c
@@ -268,7 +268,8 @@ int compute_memory_finalize_pending(struct compute_memory_pool* pool,
        }
 
        if (pool->status & POOL_FRAGMENTED) {
-               compute_memory_defrag(pool, pipe);
+               struct pipe_resource *src = (struct pipe_resource *)pool->bo;
+               compute_memory_defrag(pool, src, src, pipe);
        }
 
        if (pool->size_in_dw < allocated + unallocated) {
@@ -303,20 +304,20 @@ int compute_memory_finalize_pending(struct compute_memory_pool* pool,
  * \param pool The pool to be defragmented
  */
 void compute_memory_defrag(struct compute_memory_pool *pool,
+       struct pipe_resource *src, struct pipe_resource *dst,
        struct pipe_context *pipe)
 {
        struct compute_memory_item *item;
-       struct pipe_resource *src = (struct pipe_resource *)pool->bo;
        int64_t last_pos;
 
        COMPUTE_DBG(pool->screen, "* compute_memory_defrag()\n");
 
        last_pos = 0;
        LIST_FOR_EACH_ENTRY(item, pool->item_list, link) {
-               if (item->start_in_dw != last_pos) {
-                       assert(last_pos < item->start_in_dw);
+               if (src != dst || item->start_in_dw != last_pos) {
+                       assert(last_pos <= item->start_in_dw);
 
-                       compute_memory_move_item(pool, src, src,
+                       compute_memory_move_item(pool, src, dst,
                                        item, last_pos, pipe);
                }
 

diff --git a/src/gallium/drivers/r600/compute_memory_pool.h b/src/gallium/drivers/r600/compute_memory_pool.h
index 822bfbe..5f1d72b 100644 (file)
--- a/src/gallium/drivers/r600/compute_memory_pool.h
+++ b/src/gallium/drivers/r600/compute_memory_pool.h
@@ -91,6 +91,7 @@ int compute_memory_finalize_pending(struct compute_memory_pool* pool,
        struct pipe_context * pipe);
 
 void compute_memory_defrag(struct compute_memory_pool *pool,
+       struct pipe_resource *src, struct pipe_resource *dst,
        struct pipe_context *pipe);
 
 int compute_memory_promote_item(struct compute_memory_pool *pool,