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libs/vkd3d-shader: Implement immediate constant buffers.

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This commit is contained in:
Józef Kucia 2017-07-11 17:23:02 +02:00
parent d8d5701409
commit c8d713dc83
1 changed files with 55 additions and 7 deletions
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60
libs/vkd3d-shader/spirv.c
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@ -582,11 +582,11 @@ static uint32_t vkd3d_spirv_build_op_constant_composite(struct vkd3d_spirv_build
SpvOpConstantComposite, result_type, constituents, constituent_count);
}
/* Initializers are not supported. */
static uint32_t vkd3d_spirv_build_op_variable(struct vkd3d_spirv_builder *builder,
struct vkd3d_spirv_stream *stream, uint32_t type_id, uint32_t storage_class)
struct vkd3d_spirv_stream *stream, uint32_t type_id, uint32_t storage_class, uint32_t initializer)
{
return vkd3d_spirv_build_op_tr1(builder, stream, SpvOpVariable, type_id, storage_class);
return vkd3d_spirv_build_op_tr1v(builder, stream,
SpvOpVariable, type_id, storage_class, &initializer, !!initializer);
}
static uint32_t vkd3d_spirv_build_op_function(struct vkd3d_spirv_builder *builder,
@ -1000,6 +1000,7 @@ static void vkd3d_symbol_make_register(struct vkd3d_symbol *symbol,
symbol->type = VKD3D_SYMBOL_REGISTER;
memset(&symbol->key, 0, sizeof(symbol->key));
symbol->key.reg.type = reg->type;
if (reg->type != VKD3DSPR_IMMCONSTBUFFER)
symbol->key.reg.idx = reg->idx[0].offset;
}
@ -1234,7 +1235,7 @@ static uint32_t vkd3d_dxbc_compiler_emit_variable(struct vkd3d_dxbc_compiler *co
type_id = vkd3d_spirv_get_type_id(builder, component_type, component_count);
ptr_type_id = vkd3d_dxbc_compiler_get_pointer_type(compiler, type_id, storage_class);
return vkd3d_spirv_build_op_variable(builder, stream, ptr_type_id, storage_class);
return vkd3d_spirv_build_op_variable(builder, stream, ptr_type_id, storage_class, 0);
}
static uint32_t vkd3d_dxbc_compiler_emit_undef(struct vkd3d_dxbc_compiler *compiler,
@ -1290,6 +1291,17 @@ static void vkd3d_dxbc_compiler_get_register_info(struct vkd3d_dxbc_compiler *co
vkd3d_dxbc_compiler_get_constant_uint(compiler, reg->idx[1].offset),
};
type_id = vkd3d_spirv_get_type_id(builder, VKD3D_TYPE_FLOAT, VKD3D_VEC4_SIZE);
ptr_type_id = vkd3d_dxbc_compiler_get_pointer_type(compiler,
type_id, register_info->storage_class);
register_info->id = vkd3d_spirv_build_op_access_chain(builder, ptr_type_id,
register_info->id, indexes, ARRAY_SIZE(indexes));
}
else if (reg->type == VKD3DSPR_IMMCONSTBUFFER)
{
uint32_t indexes[] = {vkd3d_dxbc_compiler_get_constant_uint(compiler, reg->idx[0].offset)};
uint32_t type_id, ptr_type_id;
type_id = vkd3d_spirv_get_type_id(builder, VKD3D_TYPE_FLOAT, VKD3D_VEC4_SIZE);
ptr_type_id = vkd3d_dxbc_compiler_get_pointer_type(compiler,
type_id, register_info->storage_class);
@ -1914,7 +1926,7 @@ static void vkd3d_dxbc_compiler_emit_dcl_temps(struct vkd3d_dxbc_compiler *compi
for (i = 0; i < compiler->temp_count; ++i)
{
id = vkd3d_spirv_build_op_variable(builder, &builder->function_stream,
ptr_type_id, SpvStorageClassFunction);
ptr_type_id, SpvStorageClassFunction, 0);
if (!i)
compiler->temp_id = id;
assert(id == compiler->temp_id + i);
@ -1952,7 +1964,7 @@ static void vkd3d_dxbc_compiler_emit_dcl_constant_buffer(struct vkd3d_dxbc_compi
pointer_type_id = vkd3d_spirv_build_op_type_pointer(builder, SpvStorageClassUniform, struct_id);
var_id = vkd3d_spirv_build_op_variable(builder, &builder->global_stream,
pointer_type_id, SpvStorageClassUniform);
pointer_type_id, SpvStorageClassUniform, 0);
vkd3d_spirv_build_op_decorate1(builder, var_id, SpvDecorationDescriptorSet, 0);
vkd3d_spirv_build_op_decorate1(builder, var_id, SpvDecorationBinding, cb_idx);
@ -1965,6 +1977,39 @@ static void vkd3d_dxbc_compiler_emit_dcl_constant_buffer(struct vkd3d_dxbc_compi
vkd3d_dxbc_compiler_put_symbol(compiler, &reg_symbol);
}
static void vkd3d_dxbc_compiler_emit_dcl_immediate_constant_buffer(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
const struct vkd3d_shader_immediate_constant_buffer *icb = instruction->declaration.icb;
uint32_t *elements, length_id, type_id, const_id, ptr_type_id, icb_id;
struct vkd3d_spirv_builder *builder = &compiler->spirv_builder;
struct vkd3d_shader_register reg;
struct vkd3d_symbol reg_symbol;
unsigned int i;
if (!(elements = vkd3d_calloc(icb->vec4_count, sizeof(*elements))))
return;
for (i = 0; i < icb->vec4_count; ++i)
elements[i] = vkd3d_dxbc_compiler_get_constant(compiler,
VKD3D_TYPE_FLOAT, VKD3D_VEC4_SIZE, &icb->data[4 * i]);
type_id = vkd3d_spirv_get_type_id(builder, VKD3D_TYPE_FLOAT, VKD3D_VEC4_SIZE);
length_id = vkd3d_dxbc_compiler_get_constant_uint(compiler, icb->vec4_count);
type_id = vkd3d_spirv_build_op_type_array(builder, type_id, length_id);
const_id = vkd3d_spirv_build_op_constant_composite(builder, type_id, elements, icb->vec4_count);
ptr_type_id = vkd3d_spirv_build_op_type_pointer(builder, SpvStorageClassPrivate, type_id);
icb_id = vkd3d_spirv_build_op_variable(builder, &builder->global_stream,
ptr_type_id, SpvStorageClassPrivate, const_id);
vkd3d_spirv_build_op_name(builder, icb_id, "icb");
vkd3d_free(elements);
memset(&reg, 0, sizeof(reg));
reg.type = VKD3DSPR_IMMCONSTBUFFER;
vkd3d_symbol_make_register(&reg_symbol, &reg);
reg_symbol.id = icb_id;
reg_symbol.info.storage_class = SpvStorageClassPrivate;
vkd3d_dxbc_compiler_put_symbol(compiler, &reg_symbol);
}
static void vkd3d_dxbc_compiler_emit_dcl_input(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
@ -2573,6 +2618,9 @@ void vkd3d_dxbc_compiler_handle_instruction(struct vkd3d_dxbc_compiler *compiler
case VKD3DSIH_DCL_CONSTANT_BUFFER:
vkd3d_dxbc_compiler_emit_dcl_constant_buffer(compiler, instruction);
break;
case VKD3DSIH_DCL_IMMEDIATE_CONSTANT_BUFFER:
vkd3d_dxbc_compiler_emit_dcl_immediate_constant_buffer(compiler, instruction);
break;
case VKD3DSIH_DCL_INPUT:
vkd3d_dxbc_compiler_emit_dcl_input(compiler, instruction);
break;