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libs/vkd3d-shader: Add support for multiple shader inputs packed into single register.

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This commit is contained in:
Józef Kucia 2017-07-10 15:33:34 +02:00
parent 3f546c8782
commit c6b6a9d542
1 changed files with 12 additions and 7 deletions
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19
libs/vkd3d-shader/spirv.c
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@ -1620,6 +1620,7 @@ static uint32_t vkd3d_dxbc_compiler_emit_input(struct vkd3d_dxbc_compiler *compi
uint32_t val_id, input_id, var_id;
struct vkd3d_symbol reg_symbol;
SpvStorageClass storage_class;
struct rb_entry *entry = NULL;
component_count = vkd3d_write_mask_component_count(dst->write_mask);
/* vThreadIDInGroupFlattened is declared with no write mask in shader
@ -1650,8 +1651,10 @@ static uint32_t vkd3d_dxbc_compiler_emit_input(struct vkd3d_dxbc_compiler *compi
val_id = vkd3d_spirv_build_op_load(builder, type_id, input_id, SpvMemoryAccessMaskNone);
}
/* FIXME: handle multiple inputs packed into a single register */
if (component_count != VKD3D_VEC4_SIZE || component_type != VKD3D_TYPE_FLOAT)
vkd3d_symbol_make_register(&reg_symbol, &dst->reg);
if ((component_count != VKD3D_VEC4_SIZE || component_type != VKD3D_TYPE_FLOAT)
&& !(entry = rb_get(&compiler->symbol_table, &reg_symbol)))
{
storage_class = SpvStorageClassPrivate;
var_id = vkd3d_dxbc_compiler_emit_variable(compiler, &builder->global_stream,
@ -1662,12 +1665,14 @@ static uint32_t vkd3d_dxbc_compiler_emit_input(struct vkd3d_dxbc_compiler *compi
var_id = input_id;
}
vkd3d_symbol_make_register(&reg_symbol, &dst->reg);
reg_symbol.id = var_id;
reg_symbol.info.storage_class = storage_class;
vkd3d_dxbc_compiler_put_symbol(compiler, &reg_symbol);
if (!entry)
{
reg_symbol.id = var_id;
reg_symbol.info.storage_class = storage_class;
vkd3d_dxbc_compiler_put_symbol(compiler, &reg_symbol);
vkd3d_dxbc_compiler_emit_register_debug_name(builder, var_id, &dst->reg);
vkd3d_dxbc_compiler_emit_register_debug_name(builder, var_id, &dst->reg);
}
if (component_count != VKD3D_VEC4_SIZE || component_type != VKD3D_TYPE_FLOAT)
vkd3d_dxbc_compiler_emit_store_reg(compiler, &dst->reg, dst->write_mask, val_id);