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vkd3d-shader/ir: Split handling loops when emitting a structured program.

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Giovanni Mascellani 2024-04-10 17:20:05 +02:00 committed by Alexandre Julliard
parent 5e42f6779a
commit 052df4d693
Notes: Alexandre Julliard 2024-04-15 22:22:40 +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/778
1 changed files with 80 additions and 67 deletions
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53
libs/vkd3d-shader/ir.c
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@ -2917,7 +2917,7 @@ struct vsir_cfg_structure
union
{
struct vsir_block *block;
struct
struct vsir_cfg_structure_loop
{
struct vsir_cfg_structure_list body;
unsigned idx;
@ -4441,6 +4441,9 @@ static enum vkd3d_result vsir_cfg_optimize(struct vsir_cfg *cfg)
return ret;
}
static enum vkd3d_result vsir_cfg_structure_list_emit(struct vsir_cfg *cfg,
struct vsir_cfg_structure_list *list, unsigned int loop_idx);
static enum vkd3d_result vsir_cfg_structure_list_emit_block(struct vsir_cfg *cfg,
struct vsir_block *block)
{
@ -4458,33 +4461,19 @@ static enum vkd3d_result vsir_cfg_structure_list_emit_block(struct vsir_cfg *cfg
return VKD3D_OK;
}
static enum vkd3d_result vsir_cfg_structure_list_emit(struct vsir_cfg *cfg,
struct vsir_cfg_structure_list *list, unsigned int loop_idx)
static enum vkd3d_result vsir_cfg_structure_list_emit_loop(struct vsir_cfg *cfg,
struct vsir_cfg_structure_loop *loop, unsigned int loop_idx)
{
struct vsir_cfg_emit_target *target = cfg->target;
const struct vkd3d_shader_location no_loc = {0};
enum vkd3d_result ret;
size_t i;
for (i = 0; i < list->count; ++i)
{
struct vsir_cfg_structure *structure = &list->structures[i];
switch (structure->type)
{
case STRUCTURE_TYPE_BLOCK:
if ((ret = vsir_cfg_structure_list_emit_block(cfg, structure->u.block)) < 0)
return ret;
break;
case STRUCTURE_TYPE_LOOP:
{
if (!reserve_instructions(&target->instructions, &target->ins_capacity, target->ins_count + 1))
return VKD3D_ERROR_OUT_OF_MEMORY;
vsir_instruction_init(&target->instructions[target->ins_count++], &no_loc, VKD3DSIH_LOOP);
if ((ret = vsir_cfg_structure_list_emit(cfg, &structure->u.loop.body, structure->u.loop.idx)) < 0)
if ((ret = vsir_cfg_structure_list_emit(cfg, &loop->body, loop->idx)) < 0)
return ret;
if (!reserve_instructions(&target->instructions, &target->ins_capacity, target->ins_count + 5))
@ -4502,7 +4491,7 @@ static enum vkd3d_result vsir_cfg_structure_list_emit(struct vsir_cfg *cfg,
/* If the multilevel jump is a `continue' to any other target, or if it is a `break'
* and the target is not the loop we just finished emitting, then it means that
* we have to reach an outer loop, so we keep breaking. */
const unsigned int inner_break_target = structure->u.loop.idx << 1;
const unsigned int inner_break_target = loop->idx << 1;
if (!vsir_instruction_init_with_params(cfg->program, &target->instructions[target->ins_count],
&no_loc, VKD3DSIH_IEQ, 1, 2))
@ -4544,9 +4533,33 @@ static enum vkd3d_result vsir_cfg_structure_list_emit(struct vsir_cfg *cfg,
++target->temp_count;
}
break;
return VKD3D_OK;
}
static enum vkd3d_result vsir_cfg_structure_list_emit(struct vsir_cfg *cfg,
struct vsir_cfg_structure_list *list, unsigned int loop_idx)
{
struct vsir_cfg_emit_target *target = cfg->target;
const struct vkd3d_shader_location no_loc = {0};
enum vkd3d_result ret;
size_t i;
for (i = 0; i < list->count; ++i)
{
struct vsir_cfg_structure *structure = &list->structures[i];
switch (structure->type)
{
case STRUCTURE_TYPE_BLOCK:
if ((ret = vsir_cfg_structure_list_emit_block(cfg, structure->u.block)) < 0)
return ret;
break;
case STRUCTURE_TYPE_LOOP:
if ((ret = vsir_cfg_structure_list_emit_loop(cfg, &structure->u.loop, loop_idx)) < 0)
return ret;
break;
case STRUCTURE_TYPE_SELECTION:
if (!reserve_instructions(&target->instructions, &target->ins_capacity, target->ins_count + 1))
return VKD3D_ERROR_OUT_OF_MEMORY;