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vkd3d-shader: Try harder to avoid using private variables for inputs.

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Signed-off-by: Józef Kucia <jkucia@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Józef Kucia 2018-10-31 15:26:48 +01:00 committed by Alexandre Julliard
parent 2ace6f204d
commit 7338ba0337
1 changed files with 33 additions and 10 deletions
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43
libs/vkd3d-shader/spirv.c
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@ -2442,8 +2442,8 @@ static void vkd3d_dxbc_compiler_emit_dereference_register(struct vkd3d_dxbc_comp
const struct vkd3d_shader_register *reg, struct vkd3d_shader_register_info *register_info)
{
struct vkd3d_spirv_builder *builder = &compiler->spirv_builder;
unsigned int component_count, index_count = 0;
uint32_t type_id, ptr_type_id;
unsigned int index_count = 0;
uint32_t indexes[2];
if (reg->type == VKD3DSPR_CONSTBUFFER)
@ -2472,7 +2472,8 @@ static void vkd3d_dxbc_compiler_emit_dereference_register(struct vkd3d_dxbc_comp
if (index_count)
{
type_id = vkd3d_spirv_get_type_id(builder, VKD3D_TYPE_FLOAT, VKD3D_VEC4_SIZE);
component_count = vkd3d_write_mask_component_count(register_info->write_mask);
type_id = vkd3d_spirv_get_type_id(builder, register_info->component_type, component_count);
ptr_type_id = vkd3d_spirv_get_op_type_pointer(builder, register_info->storage_class, type_id);
register_info->id = vkd3d_spirv_build_op_access_chain(builder, ptr_type_id,
register_info->id, indexes, index_count);
@ -2642,8 +2643,9 @@ static uint32_t vkd3d_dxbc_compiler_emit_load_scalar(struct vkd3d_dxbc_compiler
reg_component_count = vkd3d_write_mask_component_count(reg_info->write_mask);
if (component_idx > reg_component_count)
ERR("Invalid component_idx for register %#x, %u.\n", reg->type, reg->idx[0].offset);
if (!(reg_info->write_mask & (VKD3DSP_WRITEMASK_0 << component_idx)))
ERR("Invalid component_idx for register %#x, %u (write_mask %#x).\n",
reg->type, reg->idx[0].offset, reg_info->write_mask);
type_id = vkd3d_spirv_get_type_id(builder, reg_info->component_type, 1);
reg_id = reg_info->id;
@ -3175,6 +3177,20 @@ static const struct vkd3d_shader_signature_element *vkd3d_find_signature_element
return NULL;
}
static unsigned int vkd3d_count_signature_elements_for_reg(
const struct vkd3d_shader_signature *signature, unsigned int reg_idx)
{
unsigned int i, count;
count = 0;
for (i = 0; i < signature->element_count; ++i)
{
if (signature->elements[i].register_index == reg_idx)
++count;
}
return count;
}
static uint32_t vkd3d_dxbc_compiler_emit_input(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_dst_param *dst, enum vkd3d_shader_input_sysval_semantic sysval)
{
@ -3228,9 +3244,17 @@ static uint32_t vkd3d_dxbc_compiler_emit_input(struct vkd3d_dxbc_compiler *compi
else
{
component_type = signature_element->component_type;
input_component_count = component_count;
input_component_count = vkd3d_write_mask_component_count(signature_element->mask & 0xff);
component_idx = vkd3d_write_mask_get_component_idx(signature_element->mask & 0xff);
}
use_private_var = builtin && builtin->fixup_pfn;
if (input_component_count != VKD3D_VEC4_SIZE
&& vkd3d_count_signature_elements_for_reg(compiler->input_signature, reg_idx) > 1)
{
use_private_var = true;
component_count = VKD3D_VEC4_SIZE;
}
assert(component_count <= input_component_count);
storage_class = SpvStorageClassInput;
input_id = vkd3d_dxbc_compiler_emit_array_variable(compiler, &builder->global_stream,
@ -3247,8 +3271,6 @@ static uint32_t vkd3d_dxbc_compiler_emit_input(struct vkd3d_dxbc_compiler *compi
vkd3d_spirv_build_op_decorate1(builder, input_id, SpvDecorationComponent, component_idx);
}
use_private_var = component_count != VKD3D_VEC4_SIZE || (builtin && builtin->fixup_pfn);
vkd3d_symbol_make_register(&reg_symbol, reg);
if (!use_private_var)
@ -3259,14 +3281,15 @@ static uint32_t vkd3d_dxbc_compiler_emit_input(struct vkd3d_dxbc_compiler *compi
{
storage_class = SpvStorageClassPrivate;
var_id = vkd3d_dxbc_compiler_emit_array_variable(compiler, &builder->global_stream,
storage_class, VKD3D_TYPE_FLOAT, VKD3D_VEC4_SIZE, array_size);
storage_class, VKD3D_TYPE_FLOAT, component_count, array_size);
}
if (!entry)
{
reg_symbol.id = var_id;
reg_symbol.info.reg.storage_class = storage_class;
reg_symbol.info.reg.component_type = use_private_var ? VKD3D_TYPE_FLOAT : component_type;
reg_symbol.info.reg.write_mask = VKD3DSP_WRITEMASK_ALL;
reg_symbol.info.reg.write_mask = use_private_var
? vkd3d_write_mask_from_component_count(component_count) : signature_element->mask & 0xff;
vkd3d_dxbc_compiler_put_symbol(compiler, &reg_symbol);
vkd3d_dxbc_compiler_emit_register_debug_name(builder, var_id, reg);