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vkd3d-shader/ir: Use iterators in vsir_program_insert_clip_planes().

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This commit is contained in:
Francisco Casas
2025-08-06 16:35:16 -04:00
committed by Henri Verbeet
parent bd52ed8918
commit 14643b02f6
Notes: Henri Verbeet 2025-08-07 20:52:01 +02:00 
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1673
1 changed files with 12 additions and 17 deletions
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29
libs/vkd3d-shader/ir.c
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@@ -7110,19 +7110,17 @@ static enum vkd3d_result vsir_program_insert_alpha_test(struct vsir_program *pro
}
static enum vkd3d_result insert_clip_planes_before_ret(struct vsir_program *program,
const struct vkd3d_shader_instruction *ret, uint32_t mask, uint32_t position_signature_idx,
uint32_t position_temp, uint32_t low_signature_idx, uint32_t high_signature_idx, size_t *ret_pos)
struct vsir_program_iterator *it, uint32_t mask, uint32_t position_signature_idx,
uint32_t position_temp, uint32_t low_signature_idx, uint32_t high_signature_idx)
{
struct vkd3d_shader_instruction_array *instructions = &program->instructions;
const struct vkd3d_shader_location loc = ret->location;
size_t pos = ret - instructions->elements;
const struct vkd3d_shader_location loc = vsir_program_iterator_current(it)->location;
struct vkd3d_shader_instruction *ins;
unsigned int output_idx = 0;
if (!shader_instruction_array_insert_at(&program->instructions, pos, vkd3d_popcount(mask) + 1))
vsir_program_iterator_prev(it);
if (!vsir_program_iterator_insert_after(it, vkd3d_popcount(mask) + 1))
return VKD3D_ERROR_OUT_OF_MEMORY;
ret = NULL;
ins = &program->instructions.elements[pos];
ins = vsir_program_iterator_next(it);
for (unsigned int i = 0; i < 8; ++i)
{
@@ -7144,7 +7142,7 @@ static enum vkd3d_result insert_clip_planes_before_ret(struct vsir_program *prog
ins->dst[0].write_mask = (1u << (output_idx % 4));
++output_idx;
++ins;
ins = vsir_program_iterator_next(it);
}
vsir_instruction_init_with_params(program, ins, &loc, VSIR_OP_MOV, 1, 1);
@@ -7155,14 +7153,15 @@ static enum vkd3d_result insert_clip_planes_before_ret(struct vsir_program *prog
src_param_init_temp_float(&ins->src[0], position_temp);
ins->src[0].reg.dimension = VSIR_DIMENSION_VEC4;
ins->src[0].swizzle = VKD3D_SHADER_NO_SWIZZLE;
ins = vsir_program_iterator_next(it);
*ret_pos = pos + vkd3d_popcount(mask) + 1;
return VKD3D_OK;
}
static enum vkd3d_result vsir_program_insert_clip_planes(struct vsir_program *program,
struct vsir_transformation_context *ctx)
{
struct vsir_program_iterator it = vsir_program_iterator(&program->instructions);
struct shader_signature *signature = &program->output_signature;
unsigned int low_signature_idx = ~0u, high_signature_idx = ~0u;
const struct vkd3d_shader_parameter1 *mask_parameter = NULL;
@@ -7171,7 +7170,6 @@ static enum vkd3d_result vsir_program_insert_clip_planes(struct vsir_program *pr
struct signature_element *clip_element;
struct vkd3d_shader_instruction *ins;
unsigned int plane_count;
size_t new_pos;
int ret;
if (program->shader_version.type != VKD3D_SHADER_TYPE_VERTEX)
@@ -7247,19 +7245,16 @@ static enum vkd3d_result vsir_program_insert_clip_planes(struct vsir_program *pr
position_temp = program->temp_count++;
for (size_t i = 0; i < program->instructions.count; ++i)
for (ins = vsir_program_iterator_head(&it); ins; ins = vsir_program_iterator_next(&it))
{
ins = &program->instructions.elements[i];
if (vsir_instruction_is_dcl(ins))
continue;
if (ins->opcode == VSIR_OP_RET)
{
if ((ret = insert_clip_planes_before_ret(program, ins, mask, position_signature_idx,
position_temp, low_signature_idx, high_signature_idx, &new_pos)) < 0)
if ((ret = insert_clip_planes_before_ret(program, &it, mask, position_signature_idx,
position_temp, low_signature_idx, high_signature_idx)) < 0)
return ret;
i = new_pos;
continue;
}