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vkd3d-shader/ir: Introduce an abstraction to iterate through vsir instructions.

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This commit is contained in:
Giovanni Mascellani
2025-07-16 21:58:36 +02:00
committed by Henri Verbeet
parent ba545669cd
commit 2d848b5bc0
Notes: Henri Verbeet 2025-07-17 14:18:45 +02:00 
Approved-by: Francisco Casas (@fcasas)
Approved-by: Elizabeth Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1614
2 changed files with 44 additions and 4 deletions
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11
libs/vkd3d-shader/ir.c
View File

@@ -1579,14 +1579,15 @@ static enum vkd3d_result vsir_program_lower_dcl_output(struct vsir_program *prog
static enum vkd3d_result vsir_program_lower_instructions(struct vsir_program *program,
struct vsir_transformation_context *ctx)
{
struct vkd3d_shader_instruction_array *instructions = &program->instructions;
struct vsir_program_iterator it = vsir_program_iterator(&program->instructions);
struct vkd3d_shader_message_context *message_context = ctx->message_context;
unsigned int tmp_idx = ~0u, i;
struct vkd3d_shader_instruction *ins;
unsigned int tmp_idx = ~0u;
enum vkd3d_result ret;
for (i = 0; i < instructions->count; ++i)
for (ins = vsir_program_iterator_head(&it); ins; ins = vsir_program_iterator_next(&it))
{
struct vkd3d_shader_instruction *ins = &instructions->elements[i];
size_t idx = it.idx;
switch (ins->opcode)
{
@@ -1704,6 +1705,8 @@ static enum vkd3d_result vsir_program_lower_instructions(struct vsir_program *pr
default:
break;
}
it.idx = idx;
}
return VKD3D_OK;

37
libs/vkd3d-shader/vkd3d_shader_private.h
View File

@@ -1419,6 +1419,43 @@ bool shader_instruction_array_clone_instruction(struct vkd3d_shader_instruction_
unsigned int dst, unsigned int src);
void shader_instruction_array_destroy(struct vkd3d_shader_instruction_array *instructions);
struct vsir_program_iterator
{
struct vkd3d_shader_instruction_array *array;
size_t idx;
};
static inline struct vsir_program_iterator vsir_program_iterator(struct vkd3d_shader_instruction_array *array)
{
return (struct vsir_program_iterator){ .array = array };
}
static inline struct vkd3d_shader_instruction *vsir_program_iterator_current(
struct vsir_program_iterator *iterator)
{
if (iterator->idx >= iterator->array->count)
return NULL;
return &iterator->array->elements[iterator->idx];
}
static inline struct vkd3d_shader_instruction *vsir_program_iterator_head(
struct vsir_program_iterator *iterator)
{
iterator->idx = 0;
return vsir_program_iterator_current(iterator);
}
static inline struct vkd3d_shader_instruction *vsir_program_iterator_next(
struct vsir_program_iterator *iterator)
{
if (iterator->idx < iterator->array->count)
++iterator->idx;
return vsir_program_iterator_current(iterator);
}
enum vkd3d_shader_config_flags
{
VKD3D_SHADER_CONFIG_FLAG_FORCE_VALIDATION = 0x00000001,