libs/vkd3d-shader: Implement constant interpolation mode.

For gears demo.
This commit is contained in:
Józef Kucia 2017-06-27 13:16:47 +02:00
parent dc26657398
commit d998cb88c5

View File

@ -1485,39 +1485,39 @@ static void vkd3d_dxbc_compiler_decorate_sysval(struct vkd3d_dxbc_compiler *comp
vkd3d_spirv_build_op_decorate1(builder, target_id, SpvDecorationBuiltIn, builtin);
}
static void vkd3d_dxbc_compiler_emit_input(struct vkd3d_dxbc_compiler *compiler,
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)
{
enum vkd3d_component_type component_type = vkd3d_component_type_for_semantic(sysval);
struct vkd3d_spirv_builder *builder = &compiler->spirv_builder;
unsigned int component_count, input_component_count;
uint32_t val_id, input_id, var_id;
struct vkd3d_symbol reg_symbol;
SpvStorageClass storage_class;
uint32_t val_id, var_id;
component_count = vkd3d_write_mask_component_count(dst->write_mask);
if (!(input_component_count = vkd3d_dxbc_compiler_get_sysval_component_count(sysval)))
input_component_count = component_count;
storage_class = SpvStorageClassInput;
var_id = vkd3d_dxbc_compiler_emit_variable(compiler, &builder->global_stream,
input_id = vkd3d_dxbc_compiler_emit_variable(compiler, &builder->global_stream,
storage_class, component_type, input_component_count);
vkd3d_spirv_add_iface_variable(builder, var_id);
vkd3d_spirv_add_iface_variable(builder, input_id);
if (sysval)
vkd3d_dxbc_compiler_decorate_sysval(compiler, var_id, sysval);
vkd3d_dxbc_compiler_decorate_sysval(compiler, input_id, sysval);
else
vkd3d_spirv_build_op_decorate1(builder, var_id, SpvDecorationLocation, dst->reg.idx[0].offset);
vkd3d_spirv_build_op_decorate1(builder, input_id, SpvDecorationLocation, dst->reg.idx[0].offset);
if (component_type != VKD3D_TYPE_FLOAT)
{
uint32_t float_type_id = vkd3d_spirv_get_type_id(builder, VKD3D_TYPE_FLOAT, input_component_count);
assert(component_count == 1 && input_component_count == 1);
val_id = vkd3d_spirv_build_op_bitcast(builder, float_type_id, var_id);
val_id = vkd3d_spirv_build_op_bitcast(builder, float_type_id, input_id);
}
else if (component_count != VKD3D_VEC4_SIZE)
{
uint32_t type_id = vkd3d_spirv_get_type_id(builder, component_type, input_component_count);
val_id = vkd3d_spirv_build_op_load(builder, type_id, var_id, SpvMemoryAccessMaskNone);
val_id = vkd3d_spirv_build_op_load(builder, type_id, input_id, SpvMemoryAccessMaskNone);
}
/* FIXME: handle multiple inputs packed into a single register */
@ -1527,6 +1527,10 @@ static void vkd3d_dxbc_compiler_emit_input(struct vkd3d_dxbc_compiler *compiler,
var_id = vkd3d_dxbc_compiler_emit_variable(compiler, &builder->global_stream,
storage_class, VKD3D_TYPE_FLOAT, VKD3D_VEC4_SIZE);
}
else
{
var_id = input_id;
}
vkd3d_symbol_make_register(&reg_symbol, &dst->reg);
reg_symbol.id = var_id;
@ -1537,6 +1541,8 @@ static void vkd3d_dxbc_compiler_emit_input(struct vkd3d_dxbc_compiler *compiler,
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);
return input_id;
}
static uint32_t vkd3d_dxbc_compiler_emit_output(struct vkd3d_dxbc_compiler *compiler,
@ -1640,21 +1646,42 @@ static void vkd3d_dxbc_compiler_emit_dcl_input(struct vkd3d_dxbc_compiler *compi
vkd3d_dxbc_compiler_emit_input(compiler, &instruction->declaration.dst, VKD3D_SIV_NONE);
}
static void vkd3d_dxbc_compiler_emit_interpolation_decorations(struct vkd3d_dxbc_compiler *compiler,
uint32_t id, enum vkd3d_shader_interpolation_mode mode)
{
struct vkd3d_spirv_builder *builder = &compiler->spirv_builder;
switch (mode)
{
case VKD3DSIM_CONSTANT:
vkd3d_spirv_build_op_decorate(builder, id, SpvDecorationFlat, NULL, 0);
break;
case VKD3DSIM_LINEAR:
break;
default:
FIXME("Unhandled interpolation mode %#x.\n", mode);
break;
}
}
static void vkd3d_dxbc_compiler_emit_dcl_input_ps(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
vkd3d_dxbc_compiler_emit_input(compiler, &instruction->declaration.dst, VKD3D_SIV_NONE);
if (instruction->flags != VKD3DSIM_LINEAR)
FIXME("Unhandled interpolation mode %#x.\n", instruction->flags);
uint32_t input_id;
input_id = vkd3d_dxbc_compiler_emit_input(compiler, &instruction->declaration.dst, VKD3D_SIV_NONE);
vkd3d_dxbc_compiler_emit_interpolation_decorations(compiler, input_id, instruction->flags);
}
static void vkd3d_dxbc_compiler_emit_dcl_input_ps_siv(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
vkd3d_dxbc_compiler_emit_input(compiler, &instruction->declaration.register_semantic.reg,
uint32_t input_id;
input_id = vkd3d_dxbc_compiler_emit_input(compiler, &instruction->declaration.register_semantic.reg,
instruction->declaration.register_semantic.sysval_semantic);
if (instruction->flags != VKD3DSIM_LINEAR)
FIXME("Unhandled interpolation mode %#x.\n", instruction->flags);
if (!instruction->declaration.register_semantic.sysval_semantic)
vkd3d_dxbc_compiler_emit_interpolation_decorations(compiler, input_id, instruction->flags);
}
static void vkd3d_dxbc_compiler_emit_dcl_input_sgv(struct vkd3d_dxbc_compiler *compiler,