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vkd3d-shader: Use 64 bit swizzles for 64 bit data types in VSIR.

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The handling of write masks and swizzles for 64 bit data types is
currently irregular: write masks are always 64 bit, while swizzles
are usually 32 bit, except for SSA registers with are 64 bit.
With this change we always use 64 bit swizzles, in order to make
the situation less surprising and make it easier to convert
registers between SSA and TEMP.

64 bit swizzles are always required to have X in their last two
components.
This commit is contained in:
Giovanni Mascellani
2024-01-22 17:15:36 +01:00
committed by Alexandre Julliard
parent 5ec1825eb3
commit 1f536238a8
Notes: Alexandre Julliard 2024-01-29 22:52:55 +01:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Conor McCarthy (@cmccarthy)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/603
5 changed files with 88 additions and 24 deletions
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12
libs/vkd3d-shader/dxil.c
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@@ -36,6 +36,10 @@ static const unsigned int SHADER_DESCRIPTOR_TYPE_COUNT = 4;
static const unsigned int dx_max_thread_group_size[3] = {1024, 1024, 64};
#define VKD3D_SHADER_SWIZZLE_64_MASK \
(VKD3D_SHADER_SWIZZLE_MASK << VKD3D_SHADER_SWIZZLE_SHIFT(0) \
| VKD3D_SHADER_SWIZZLE_MASK << VKD3D_SHADER_SWIZZLE_SHIFT(1))
enum bitcode_block_id
{
BLOCKINFO_BLOCK = 0,
@@ -2216,6 +2220,8 @@ static inline void src_param_init(struct vkd3d_shader_src_param *param)
static void src_param_init_scalar(struct vkd3d_shader_src_param *param, unsigned int component_idx)
{
param->swizzle = vkd3d_shader_create_swizzle(component_idx, component_idx, component_idx, component_idx);
if (data_type_is_64_bit(param->reg.data_type))
param->swizzle &= VKD3D_SHADER_SWIZZLE_64_MASK;
param->modifiers = VKD3DSPSM_NONE;
}
@@ -3638,6 +3644,8 @@ static void sm6_parser_emit_dx_cbuffer_load(struct sm6_parser *sm6, enum dx_intr
type = sm6_type_get_scalar_type(dst->type, 0);
assert(type);
src_param->reg.data_type = vkd3d_data_type_from_sm6_type(type);
if (data_type_is_64_bit(src_param->reg.data_type))
src_param->swizzle = vsir_swizzle_64_from_32(src_param->swizzle);
instruction_dst_param_init_ssa_vector(ins, sm6_type_max_vector_size(type), sm6);
}
@@ -4538,8 +4546,8 @@ static void sm6_parser_emit_extractval(struct sm6_parser *sm6, const struct dxil
vsir_instruction_init(ins, &sm6->p.location, VKD3DSIH_MOV);
src_param = instruction_src_params_alloc(ins, 1, sm6);
src_param_init_from_value(src_param, src);
src_param->swizzle = vkd3d_shader_create_swizzle(elem_idx, elem_idx, elem_idx, elem_idx);
src_param_init_scalar(src_param, elem_idx);
src_param->reg = src->u.reg;
instruction_dst_param_init_ssa_scalar(ins, sm6);
}