From: Conor McCarthy cmccarthy@codeweavers.com
--- libs/vkd3d-shader/dxil.c | 47 +++++++++++++++++++----- libs/vkd3d-shader/vkd3d_shader_private.h | 1 + 2 files changed, 38 insertions(+), 10 deletions(-)
diff --git a/libs/vkd3d-shader/dxil.c b/libs/vkd3d-shader/dxil.c index 8f60387fe..6692eae08 100644 --- a/libs/vkd3d-shader/dxil.c +++ b/libs/vkd3d-shader/dxil.c @@ -2603,7 +2603,7 @@ static struct vkd3d_shader_instruction *sm6_parser_add_instruction(struct sm6_pa }
static void sm6_parser_declare_indexable_temp(struct sm6_parser *sm6, const struct sm6_type *elem_type, - unsigned int count, unsigned int alignment, struct sm6_value *dst) + unsigned int count, unsigned int alignment, unsigned int init, struct sm6_value *dst) { enum vkd3d_data_type data_type = vkd3d_data_type_from_sm6_type(elem_type); struct vkd3d_shader_instruction *ins; @@ -2614,6 +2614,8 @@ static void sm6_parser_declare_indexable_temp(struct sm6_parser *sm6, const stru ins->declaration.indexable_temp.alignment = alignment; ins->declaration.indexable_temp.data_type = data_type; ins->declaration.indexable_temp.component_count = 1; + /* The initialiser value index will be resolved later so forward references can be handled. */ + ins->declaration.indexable_temp.initialiser = (void *)(uintptr_t)init;
register_init_with_id(&dst->u.reg, VKD3DSPR_IDXTEMP, data_type, ins->declaration.indexable_temp.register_idx); } @@ -2717,14 +2719,7 @@ static bool sm6_parser_declare_global(struct sm6_parser *sm6, const struct dxil_ dst->type = type; dst->value_type = VALUE_TYPE_REG;
- if (init) - { - WARN("Unsupported initialiser.\n"); - vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND, - "Global variable initialisers are not supported."); - return false; - } - else if (is_constant) + if (is_constant && !init) { WARN("Constant array has no initialiser.\n"); vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND, @@ -2734,7 +2729,7 @@ static bool sm6_parser_declare_global(struct sm6_parser *sm6, const struct dxil_
if (address_space == ADDRESS_SPACE_DEFAULT) { - sm6_parser_declare_indexable_temp(sm6, scalar_type, count, alignment, dst); + sm6_parser_declare_indexable_temp(sm6, scalar_type, count, alignment, init, dst); } else if (address_space == ADDRESS_SPACE_GROUPSHARED) { @@ -2755,9 +2750,30 @@ static bool sm6_parser_declare_global(struct sm6_parser *sm6, const struct dxil_ return true; }
+static const struct vkd3d_shader_immediate_constant_buffer *resolve_forward_initialiser( + size_t index, struct sm6_parser *sm6) +{ + const struct sm6_value *value; + + assert(index); + --index; + if (!(value = sm6_parser_get_value_safe(sm6, index)) || !sm6_value_is_icb(value)) + { + WARN("Invalid initialiser index %zu.\n", index); + vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND, + "Global variable initialiser value index %zu is invalid.", index); + return NULL; + } + else + { + return value->u.icb; + } +} + static enum vkd3d_result sm6_parser_globals_init(struct sm6_parser *sm6) { const struct dxil_block *block = &sm6->root_block; + struct vkd3d_shader_instruction *ins; const struct dxil_record *record; enum vkd3d_result ret; uint64_t version; @@ -2810,6 +2826,17 @@ static enum vkd3d_result sm6_parser_globals_init(struct sm6_parser *sm6) return ret; }
+ /* Resolve initialiser forward references. */ + for (i = 0; i < sm6->p.instructions.count; ++i) + { + ins = &sm6->p.instructions.elements[i]; + if (ins->handler_idx == VKD3DSIH_DCL_INDEXABLE_TEMP && ins->declaration.indexable_temp.initialiser) + { + ins->declaration.indexable_temp.initialiser = resolve_forward_initialiser( + (uintptr_t)ins->declaration.indexable_temp.initialiser, sm6); + } + } + return VKD3D_OK; }
diff --git a/libs/vkd3d-shader/vkd3d_shader_private.h b/libs/vkd3d-shader/vkd3d_shader_private.h index f8b53718a..9980827f9 100644 --- a/libs/vkd3d-shader/vkd3d_shader_private.h +++ b/libs/vkd3d-shader/vkd3d_shader_private.h @@ -804,6 +804,7 @@ struct vkd3d_shader_indexable_temp unsigned int alignment; enum vkd3d_data_type data_type; unsigned int component_count; + const struct vkd3d_shader_immediate_constant_buffer *initialiser; };
struct vkd3d_shader_register_index