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

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This commit is contained in:
Giovanni Mascellani
2025-07-17 15:33:27 +02:00
committed by Henri Verbeet
parent 5407c8b975
commit 8d4222764c
Notes: Henri Verbeet 2025-07-21 12:35:10 +02:00 
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1624
1 changed files with 15 additions and 16 deletions
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31
libs/vkd3d-shader/ir.c
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@@ -1378,27 +1378,30 @@ static enum vkd3d_result vsir_program_lower_sm4_sincos(struct vsir_program *prog
}
static enum vkd3d_result vsir_program_lower_texldp(struct vsir_program *program,
struct vkd3d_shader_instruction *tex, unsigned int *tmp_idx)
struct vsir_program_iterator *it, unsigned int *tmp_idx)
{
struct vkd3d_shader_instruction_array *instructions = &program->instructions;
struct vkd3d_shader_location *location = &tex->location;
struct vkd3d_shader_instruction *div_ins, *tex_ins;
size_t pos = tex - instructions->elements;
struct vkd3d_shader_instruction *div_ins, *tex, *tex_ins;
struct vsir_program_iterator it2;
unsigned int w_comp;
tex = vsir_program_iterator_current(it);
w_comp = vsir_swizzle_get_component(tex->src[0].swizzle, 3);
if (!shader_instruction_array_insert_at(instructions, pos + 1, 2))
if (!vsir_program_iterator_insert_after(it, 2))
return VKD3D_ERROR_OUT_OF_MEMORY;
tex = &instructions->elements[pos];
tex = vsir_program_iterator_current(it);
if (*tmp_idx == ~0u)
*tmp_idx = program->temp_count++;
div_ins = &instructions->elements[pos + 1];
tex_ins = &instructions->elements[pos + 2];
/* Do not increment `it', because we need to scan the generated instructions
* again to lower TEXLD. */
it2 = *it;
div_ins = vsir_program_iterator_next(&it2);
tex_ins = vsir_program_iterator_next(&it2);
if (!vsir_instruction_init_with_params(program, div_ins, location, VSIR_OP_DIV, 1, 2))
if (!vsir_instruction_init_with_params(program, div_ins, &tex->location, VSIR_OP_DIV, 1, 2))
return VKD3D_ERROR_OUT_OF_MEMORY;
vsir_dst_param_init(&div_ins->dst[0], VKD3DSPR_TEMP, VKD3D_DATA_FLOAT, 1);
@@ -1411,7 +1414,7 @@ static enum vkd3d_result vsir_program_lower_texldp(struct vsir_program *program,
div_ins->src[1] = tex->src[0];
div_ins->src[1].swizzle = vkd3d_shader_create_swizzle(w_comp, w_comp, w_comp, w_comp);
if (!vsir_instruction_init_with_params(program, tex_ins, location, VSIR_OP_TEXLD, 1, 2))
if (!vsir_instruction_init_with_params(program, tex_ins, &tex->location, VSIR_OP_TEXLD, 1, 2))
return VKD3D_ERROR_OUT_OF_MEMORY;
tex_ins->dst[0] = tex->dst[0];
@@ -1575,8 +1578,6 @@ static enum vkd3d_result vsir_program_lower_instructions(struct vsir_program *pr
for (ins = vsir_program_iterator_head(&it); ins; ins = vsir_program_iterator_next(&it))
{
size_t idx = it.idx;
switch (ins->opcode)
{
case VSIR_OP_IFC:
@@ -1652,7 +1653,7 @@ static enum vkd3d_result vsir_program_lower_instructions(struct vsir_program *pr
case VSIR_OP_TEXLD:
if (ins->flags == VKD3DSI_TEXLD_PROJECT)
{
if ((ret = vsir_program_lower_texldp(program, ins, &tmp_idx)) < 0)
if ((ret = vsir_program_lower_texldp(program, &it, &tmp_idx)) < 0)
return ret;
}
else
@@ -1693,8 +1694,6 @@ static enum vkd3d_result vsir_program_lower_instructions(struct vsir_program *pr
default:
break;
}
it.idx = idx;
}
return VKD3D_OK;