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vkd3d-shader/ir: Open a loop when visiting the loop header.

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Not when making the loop header available, which is too early and
might lead to open too many loops at once.
This commit is contained in:
Giovanni Mascellani 2024-03-20 16:58:25 +01:00 committed by Alexandre Julliard
parent e1e6367210
commit 9aff65c6d2
Notes: Alexandre Julliard 2024-04-03 23:34:52 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Conor McCarthy (@cmccarthy)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/737
1 changed files with 18 additions and 16 deletions
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34
libs/vkd3d-shader/ir.c
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@ -3629,27 +3629,11 @@ struct vsir_cfg_node_sorter
static enum vkd3d_result vsir_cfg_node_sorter_make_node_available(struct vsir_cfg_node_sorter *sorter, struct vsir_block *block)
{
struct vsir_block_list *loop = NULL;
struct vsir_cfg_node_sorter_stack_item *item;
enum vkd3d_result ret;
if (sorter->cfg->loops_by_header[block->label - 1] != SIZE_MAX)
loop = &sorter->cfg->loops[sorter->cfg->loops_by_header[block->label - 1]];
if ((ret = vsir_block_list_add_checked(&sorter->available_blocks, block)) < 0)
return ret;
if (!loop)
return VKD3D_OK;
if (!vkd3d_array_reserve((void **)&sorter->stack, &sorter->stack_capacity, sorter->stack_count + 1, sizeof(*sorter->stack)))
return VKD3D_ERROR_OUT_OF_MEMORY;
item = &sorter->stack[sorter->stack_count++];
item->loop = loop;
item->seen_count = 0;
item->begin = sorter->cfg->order.count;
return VKD3D_OK;
}
@ -3754,6 +3738,24 @@ static enum vkd3d_result vsir_cfg_sort_nodes(struct vsir_cfg *cfg)
break;
}
/* If the node is a loop header, open the loop. */
if (sorter.cfg->loops_by_header[block->label - 1] != SIZE_MAX)
{
struct vsir_block_list *loop = &sorter.cfg->loops[sorter.cfg->loops_by_header[block->label - 1]];
if (loop)
{
if (!vkd3d_array_reserve((void **)&sorter.stack, &sorter.stack_capacity,
sorter.stack_count + 1, sizeof(*sorter.stack)))
return VKD3D_ERROR_OUT_OF_MEMORY;
inner_stack_item = &sorter.stack[sorter.stack_count++];
inner_stack_item->loop = loop;
inner_stack_item->seen_count = 0;
inner_stack_item->begin = sorter.cfg->order.count;
}
}
vsir_block_list_remove_index(&sorter.available_blocks, i);
block->order_pos = cfg->order.count;
if ((ret = vsir_block_list_add_checked(&cfg->order, block)) < 0)