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vkd3d-shader/ir: Search for SV_TARGET0 vsir_program_insert_alpha_test().

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As opposed to any SV_TARGET with register index 0. We care about the
semantic index here, not the register index.
This commit is contained in:
Henri Verbeet 2024-11-01 00:19:39 +01:00
parent 1b0248f31b
commit e6c84862a8
Notes: Henri Verbeet 2024-11-04 17:12:02 +01:00 
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1241
1 changed files with 21 additions and 35 deletions
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56
libs/vkd3d-shader/ir.c
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@ -142,6 +142,25 @@ static struct signature_element *vsir_signature_find_element_by_name(
return NULL;
}
static bool vsir_signature_find_sysval(const struct shader_signature *signature,
enum vkd3d_shader_sysval_semantic sysval, unsigned int semantic_index, unsigned int *element_index)
{
const struct signature_element *e;
unsigned int i;
for (i = 0; i < signature->element_count; ++i)
{
e = &signature->elements[i];
if (e->sysval_semantic == sysval && e->semantic_index == semantic_index)
{
*element_index = i;
return true;
}
}
return false;
}
void vsir_register_init(struct vkd3d_shader_register *reg, enum vkd3d_shader_register_type reg_type,
enum vkd3d_data_type data_type, unsigned int idx_count)
{
@ -5834,21 +5853,6 @@ static enum vkd3d_result vsir_program_materialize_undominated_ssas_to_temps(stru
return VKD3D_OK;
}
static bool find_colour_signature_idx(const struct shader_signature *signature, uint32_t *index)
{
for (unsigned int i = 0; i < signature->element_count; ++i)
{
if (signature->elements[i].sysval_semantic == VKD3D_SHADER_SV_TARGET
&& !signature->elements[i].register_index)
{
*index = i;
return true;
}
}
return false;
}
static enum vkd3d_result insert_alpha_test_before_ret(struct vsir_program *program,
const struct vkd3d_shader_instruction *ret, enum vkd3d_shader_comparison_func compare_func,
const struct vkd3d_shader_parameter1 *ref, uint32_t colour_signature_idx,
@ -5960,7 +5964,7 @@ static enum vkd3d_result vsir_program_insert_alpha_test(struct vsir_program *pro
if (program->shader_version.type != VKD3D_SHADER_TYPE_PIXEL)
return VKD3D_OK;
if (!find_colour_signature_idx(&program->output_signature, &colour_signature_idx)
if (!vsir_signature_find_sysval(&program->output_signature, VKD3D_SHADER_SV_TARGET, 0, &colour_signature_idx)
|| !(program->output_signature.elements[colour_signature_idx].mask & VKD3DSP_WRITEMASK_3))
return VKD3D_OK;
@ -6078,24 +6082,6 @@ static enum vkd3d_result insert_clip_planes_before_ret(struct vsir_program *prog
return VKD3D_OK;
}
static bool find_sysval_signature_idx(const struct shader_signature *signature,
enum vkd3d_shader_sysval_semantic sysval, unsigned int semantic_index, unsigned int *element_index)
{
const struct signature_element *e;
for (unsigned int i = 0; i < signature->element_count; ++i)
{
e = &signature->elements[i];
if (e->sysval_semantic == sysval && e->semantic_index == semantic_index)
{
*element_index = i;
return true;
}
}
return false;
}
static enum vkd3d_result vsir_program_insert_clip_planes(struct vsir_program *program,
struct vsir_transformation_context *ctx)
{
@ -6151,7 +6137,7 @@ static enum vkd3d_result vsir_program_insert_clip_planes(struct vsir_program *pr
}
}
if (!find_sysval_signature_idx(signature, VKD3D_SHADER_SV_POSITION, 0, &position_signature_idx))
if (!vsir_signature_find_sysval(signature, VKD3D_SHADER_SV_POSITION, 0, &position_signature_idx))
{
vkd3d_shader_error(ctx->message_context, &no_loc, VKD3D_SHADER_ERROR_VSIR_MISSING_SEMANTIC,
"Shader does not write position.");