From: Conor McCarthy cmccarthy@codeweavers.com
--- libs/vkd3d-shader/dxil.c | 134 ++++++++++++++++++++++- libs/vkd3d-shader/vkd3d_shader_private.h | 1 + 2 files changed, 134 insertions(+), 1 deletion(-)
diff --git a/libs/vkd3d-shader/dxil.c b/libs/vkd3d-shader/dxil.c index bfb34d248..19a9758ab 100644 --- a/libs/vkd3d-shader/dxil.c +++ b/libs/vkd3d-shader/dxil.c @@ -20,6 +20,8 @@
#define VKD3D_SM6_VERSION_MAJOR(version) (((version) >> 4) & 0xf) #define VKD3D_SM6_VERSION_MINOR(version) (((version) >> 0) & 0xf) +/* Two seems to be the maximum but leave some extra room. */ +#define VKD3D_SM6_MAX_METADATA_TABLES 4
#define BITCODE_MAGIC VKD3D_MAKE_TAG('B', 'C', 0xc0, 0xde) #define DXIL_OP_MAX_OPERANDS 17 @@ -114,6 +116,19 @@ enum bitcode_function_code FUNC_CODE_INST_CMPXCHG = 46, };
+enum bitcode_metadata_code +{ + METADATA_STRING = 1, + METADATA_VALUE = 2, + METADATA_NODE = 3, + METADATA_NAME = 4, + METADATA_DISTINCT_NODE = 5, + METADATA_KIND = 6, + METADATA_LOCATION = 7, + METADATA_NAMED_NODE = 10, + METADATA_ATTACHMENT = 11, +}; + enum bitcode_type_code { TYPE_CODE_NUMENTRY = 1, @@ -278,6 +293,26 @@ struct dxil_block size_t record_count; };
+enum sm6_metadata_type +{ + VKD3D_METADATA_STRING, +}; + +struct sm6_metadata_value +{ + enum sm6_metadata_type type; + union + { + char *string_value; + } u; +}; + +struct sm6_metadata_table +{ + struct sm6_metadata_value *values; + unsigned int count; +}; + struct sm6_parser { const uint32_t *ptr, *start, *end; @@ -292,6 +327,7 @@ struct sm6_parser
struct sm6_type *types; size_t type_count; + struct sm6_type *metadata_type;
struct sm6_symbol *global_symbols; size_t global_symbol_count; @@ -302,6 +338,8 @@ struct sm6_parser struct sm6_function *functions; size_t function_count;
+ struct sm6_metadata_table metadata_tables[VKD3D_SM6_MAX_METADATA_TABLES]; + struct sm6_value *values; size_t value_count; size_t value_capacity; @@ -1173,6 +1211,7 @@ static enum vkd3d_result sm6_parser_type_table_init(struct sm6_parser *sm6)
case TYPE_CODE_METADATA: type->class = TYPE_CLASS_METADATA; + sm6->metadata_type = type; break;
case TYPE_CODE_NUMENTRY: @@ -2818,6 +2857,80 @@ static enum vkd3d_result sm6_parser_module_init(struct sm6_parser *sm6, const st return VKD3D_OK; }
+static enum vkd3d_result sm6_parser_metadata_init(struct sm6_parser *sm6, const struct dxil_block *block, + struct sm6_metadata_table *table) +{ + struct sm6_metadata_value *values, *m; + unsigned int i, count, table_idx; + const struct dxil_record *record; + + for (i = 0, count = 0; i < block->record_count; ++i) + count += block->records[i]->code != METADATA_NAME; + + if (!(values = vkd3d_calloc(count, sizeof(*values)))) + { + ERR("Failed to allocate metadata tables.\n"); + vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_OUT_OF_MEMORY, + "Out of memory allocating metadata tables."); + return VKD3D_ERROR_OUT_OF_MEMORY; + } + table->values = values; + + for (i = 0; i < block->record_count; ++i) + { + record = block->records[i]; + + table_idx = table->count; + m = &values[table_idx]; + + switch (record->code) + { + case METADATA_STRING: + /* LLVM allows an empty string here. */ + m->type = VKD3D_METADATA_STRING; + if (!(m->u.string_value = dxil_record_to_string(record, 0, sm6))) + { + ERR("Failed to allocate string.\n"); + return VKD3D_ERROR_OUT_OF_MEMORY; + } + break; + + default: + FIXME("Unhandled metadata type %u.\n", record->code); + vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_METADATA, + "Metadata type %u is unhandled.", record->code); + return VKD3D_ERROR_INVALID_SHADER; + } + ++table->count; + } + + return VKD3D_OK; +} + +static void sm6_metadata_value_destroy(struct sm6_metadata_value *m) +{ + switch (m->type) + { + case VKD3D_METADATA_STRING: + vkd3d_free(m->u.string_value); + break; + default: + break; + } +} + +static void sm6_parser_metadata_cleanup(struct sm6_parser *sm6) +{ + unsigned int i, j; + + for (i = 0; i < ARRAY_SIZE(sm6->metadata_tables); ++i) + { + for (j = 0; j < sm6->metadata_tables[i].count; ++j) + sm6_metadata_value_destroy(&sm6->metadata_tables[i].values[j]); + vkd3d_free(sm6->metadata_tables[i].values); + } +} + static void sm6_type_table_cleanup(struct sm6_type *types, size_t count) { size_t i; @@ -2881,6 +2994,7 @@ static void sm6_parser_destroy(struct vkd3d_shader_parser *parser) sm6_type_table_cleanup(sm6->types, sm6->type_count); sm6_symtab_cleanup(sm6->global_symbols, sm6->global_symbol_count); sm6_functions_cleanup(sm6->functions, sm6->function_count); + sm6_parser_metadata_cleanup(sm6); vkd3d_free(sm6->values); free_shader_desc(&parser->shader_desc); vkd3d_free(sm6); @@ -2904,7 +3018,7 @@ static enum vkd3d_result sm6_parser_init(struct sm6_parser *sm6, const uint32_t struct vkd3d_shader_version version; struct dxil_block *block; enum vkd3d_result ret; - unsigned int i; + unsigned int i, j;
count = byte_code_size / sizeof(*byte_code); if (count < 6) @@ -3091,6 +3205,24 @@ static enum vkd3d_result sm6_parser_init(struct sm6_parser *sm6, const uint32_t return ret; }
+ for (i = 0, j = 0; i < sm6->root_block.child_block_count; ++i) + { + block = sm6->root_block.child_blocks[i]; + if (block->id != METADATA_BLOCK) + continue; + + if (j == ARRAY_SIZE(sm6->metadata_tables)) + { + FIXME("Too many metadata tables.\n"); + vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXIL_INVALID_METADATA, + "A metadata table count greater than %zu is unsupported.", ARRAY_SIZE(sm6->metadata_tables)); + return VKD3D_ERROR_INVALID_SHADER; + } + + if ((ret = sm6_parser_metadata_init(sm6, block, &sm6->metadata_tables[j++])) < 0) + return ret; + } + sm6_parser_init_output_signature(sm6, output_signature); sm6_parser_init_input_signature(sm6, input_signature);
diff --git a/libs/vkd3d-shader/vkd3d_shader_private.h b/libs/vkd3d-shader/vkd3d_shader_private.h index 495bda146..f94a12df7 100644 --- a/libs/vkd3d-shader/vkd3d_shader_private.h +++ b/libs/vkd3d-shader/vkd3d_shader_private.h @@ -176,6 +176,7 @@ enum vkd3d_shader_error VKD3D_SHADER_ERROR_DXIL_INVALID_MODULE = 8011, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND = 8012, VKD3D_SHADER_ERROR_DXIL_UNHANDLED_INTRINSIC = 8013, + VKD3D_SHADER_ERROR_DXIL_INVALID_METADATA = 8014,
VKD3D_SHADER_WARNING_DXIL_UNKNOWN_MAGIC_NUMBER = 8300, VKD3D_SHADER_WARNING_DXIL_UNKNOWN_SHADER_TYPE = 8301,