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vkd3d-shader/ir: Use the iterator in vsir_program_lower_precise_mad().

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Giovanni Mascellani
2025-07-16 22:10:56 +02:00
committed by Henri Verbeet
parent a12d64fba1
commit 195e62430e
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
1 changed files with 8 additions and 9 deletions
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17
libs/vkd3d-shader/ir.c
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@@ -1107,25 +1107,24 @@ static enum vkd3d_result vsir_program_lower_texkill(struct vsir_program *program
* not fused for "precise" operations."
* Windows drivers seem to conform with the latter, for SM 4-5 and SM 6. */
static enum vkd3d_result vsir_program_lower_precise_mad(struct vsir_program *program,
struct vkd3d_shader_instruction *mad, unsigned int *tmp_idx)
struct vsir_program_iterator *it, unsigned int *tmp_idx)
{
struct vkd3d_shader_instruction_array *instructions = &program->instructions;
struct vkd3d_shader_instruction *mul_ins, *add_ins;
size_t pos = mad - instructions->elements;
struct vkd3d_shader_instruction *mad, *mul_ins, *add_ins;
struct vkd3d_shader_dst_param *mul_dst;
mad = vsir_program_iterator_current(it);
if (!(mad->flags & VKD3DSI_PRECISE_XYZW))
return VKD3D_OK;
if (!shader_instruction_array_insert_at(instructions, pos + 1, 1))
if (!vsir_program_iterator_insert_after(it, 1))
return VKD3D_ERROR_OUT_OF_MEMORY;
mad = &instructions->elements[pos];
if (*tmp_idx == ~0u)
*tmp_idx = program->temp_count++;
mul_ins = &instructions->elements[pos];
add_ins = &instructions->elements[pos + 1];
mul_ins = vsir_program_iterator_current(it);
add_ins = vsir_program_iterator_next(it);
mul_ins->opcode = VSIR_OP_MUL;
mul_ins->src_count = 2;
@@ -1598,7 +1597,7 @@ static enum vkd3d_result vsir_program_lower_instructions(struct vsir_program *pr
break;
case VSIR_OP_MAD:
if ((ret = vsir_program_lower_precise_mad(program, ins, &tmp_idx)) < 0)
if ((ret = vsir_program_lower_precise_mad(program, &it, &tmp_idx)) < 0)
return ret;
break;