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vkd3d-shader/ir: Lower NEG modifiers to instructions.

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This commit is contained in:
Giovanni Mascellani
2025-10-08 22:41:21 +02:00
committed by Henri Verbeet
parent 79736ae6ff
commit eb1210f517
Notes: Henri Verbeet 2025-10-13 19:32:46 +02:00 
Approved-by: Francisco Casas (@fcasas)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1783
2 changed files with 18 additions and 2 deletions
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1
libs/vkd3d-shader/glsl.c
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@@ -1605,6 +1605,7 @@ static void vkd3d_glsl_handle_instruction(struct vkd3d_glsl_generator *gen,
shader_glsl_relop(gen, ins, "!=", "notEqual");
break;
case VSIR_OP_INEG:
case VSIR_OP_NEG:
shader_glsl_unary_op(gen, ins, "-");
break;
case VSIR_OP_ISHL:

19
libs/vkd3d-shader/ir.c
View File

@@ -2186,15 +2186,30 @@ static enum vkd3d_result vsir_program_lower_modifiers(struct vsir_program *progr
for (i = 0; i < ins->src_count; ++i)
{
struct vkd3d_shader_src_param *src = &ins->src[i];
enum vkd3d_shader_opcode new_opcode = VSIR_OP_NOP;
/* TODO: support other modifiers, including destination modifiers. */
if (src->modifiers == VKD3DSPSM_ABS)
switch (src->modifiers)
{
case VKD3DSPSM_ABS:
new_opcode = VSIR_OP_ABS;
break;
case VKD3DSPSM_NEG:
new_opcode = data_type_is_integer(src->reg.data_type) ? VSIR_OP_INEG : VSIR_OP_NEG;
break;
default:
continue;
}
if (new_opcode != VSIR_OP_NOP)
{
if (!(new_ins = vsir_program_iterator_insert_before(&it, &new_it, 1)))
return VKD3D_ERROR_OUT_OF_MEMORY;
ins = vsir_program_iterator_current(&it);
if (!vsir_instruction_init_with_params(program, new_ins, &ins->location, VSIR_OP_ABS, 1, 1))
if (!vsir_instruction_init_with_params(program, new_ins, &ins->location, new_opcode, 1, 1))
{
vkd3d_shader_instruction_make_nop(new_ins);
return VKD3D_ERROR_OUT_OF_MEMORY;