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vkd3d/libs/vkd3d-shader/dxil.c

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/*
* Copyright 2023 Conor McCarthy for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "vkd3d_shader_private.h"
#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
static const unsigned int SHADER_DESCRIPTOR_TYPE_COUNT = 4;
static const unsigned int dx_max_thread_group_size[3] = {1024, 1024, 64};
enum bitcode_block_id
{
BLOCKINFO_BLOCK = 0,
MODULE_BLOCK = 8,
PARAMATTR_BLOCK = 9,
PARAMATTR_GROUP_BLOCK = 10,
CONSTANTS_BLOCK = 11,
FUNCTION_BLOCK = 12,
VALUE_SYMTAB_BLOCK = 14,
METADATA_BLOCK = 15,
METADATA_ATTACHMENT_BLOCK = 16,
TYPE_BLOCK = 17,
USELIST_BLOCK = 18,
};
enum bitcode_blockinfo_code
{
SETBID = 1,
BLOCKNAME = 2,
SETRECORDNAME = 3,
};
enum bitcode_block_abbreviation
{
END_BLOCK = 0,
ENTER_SUBBLOCK = 1,
DEFINE_ABBREV = 2,
UNABBREV_RECORD = 3,
};
enum bitcode_abbrev_type
{
ABBREV_FIXED = 1,
ABBREV_VBR = 2,
ABBREV_ARRAY = 3,
ABBREV_CHAR = 4,
ABBREV_BLOB = 5,
};
enum bitcode_address_space
{
ADDRESS_SPACE_DEFAULT,
ADDRESS_SPACE_DEVICEMEM,
ADDRESS_SPACE_CBUFFER,
ADDRESS_SPACE_GROUPSHARED,
};
enum bitcode_module_code
{
MODULE_CODE_VERSION = 1,
MODULE_CODE_GLOBALVAR = 7,
MODULE_CODE_FUNCTION = 8,
};
enum bitcode_constant_code
{
CST_CODE_SETTYPE = 1,
CST_CODE_NULL = 2,
CST_CODE_UNDEF = 3,
CST_CODE_INTEGER = 4,
CST_CODE_FLOAT = 6,
CST_CODE_STRING = 8,
CST_CODE_CE_GEP = 12,
CST_CODE_CE_INBOUNDS_GEP = 20,
CST_CODE_DATA = 22,
};
enum bitcode_function_code
{
FUNC_CODE_DECLAREBLOCKS = 1,
FUNC_CODE_INST_BINOP = 2,
FUNC_CODE_INST_CAST = 3,
FUNC_CODE_INST_RET = 10,
FUNC_CODE_INST_BR = 11,
FUNC_CODE_INST_SWITCH = 12,
FUNC_CODE_INST_PHI = 16,
FUNC_CODE_INST_ALLOCA = 19,
FUNC_CODE_INST_LOAD = 20,
FUNC_CODE_INST_EXTRACTVAL = 26,
FUNC_CODE_INST_CMP2 = 28,
FUNC_CODE_INST_VSELECT = 29,
FUNC_CODE_INST_CALL = 34,
FUNC_CODE_INST_ATOMICRMW = 38,
FUNC_CODE_INST_LOADATOMIC = 41,
FUNC_CODE_INST_GEP = 43,
FUNC_CODE_INST_STORE = 44,
FUNC_CODE_INST_STOREATOMIC = 45,
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,
TYPE_CODE_VOID = 2,
TYPE_CODE_FLOAT = 3,
TYPE_CODE_DOUBLE = 4,
TYPE_CODE_LABEL = 5,
TYPE_CODE_INTEGER = 7,
TYPE_CODE_POINTER = 8,
TYPE_CODE_HALF = 10,
TYPE_CODE_ARRAY = 11,
TYPE_CODE_VECTOR = 12,
TYPE_CODE_METADATA = 16,
TYPE_CODE_STRUCT_ANON = 18,
TYPE_CODE_STRUCT_NAME = 19,
TYPE_CODE_STRUCT_NAMED = 20,
TYPE_CODE_FUNCTION = 21,
};
enum bitcode_value_symtab_code
{
VST_CODE_ENTRY = 1,
VST_CODE_BBENTRY = 2,
};
enum dxil_component_type
{
COMPONENT_TYPE_INVALID = 0,
COMPONENT_TYPE_I1 = 1,
COMPONENT_TYPE_I16 = 2,
COMPONENT_TYPE_U16 = 3,
COMPONENT_TYPE_I32 = 4,
COMPONENT_TYPE_U32 = 5,
COMPONENT_TYPE_I64 = 6,
COMPONENT_TYPE_U64 = 7,
COMPONENT_TYPE_F16 = 8,
COMPONENT_TYPE_F32 = 9,
COMPONENT_TYPE_F64 = 10,
COMPONENT_TYPE_SNORMF16 = 11,
COMPONENT_TYPE_UNORMF16 = 12,
COMPONENT_TYPE_SNORMF32 = 13,
COMPONENT_TYPE_UNORMF32 = 14,
COMPONENT_TYPE_SNORMF64 = 15,
COMPONENT_TYPE_UNORMF64 = 16,
COMPONENT_TYPE_PACKEDS8X32 = 17,
COMPONENT_TYPE_PACKEDU8X32 = 18,
};
enum dxil_semantic_kind
{
SEMANTIC_KIND_ARBITRARY = 0,
SEMANTIC_KIND_VERTEXID = 1,
SEMANTIC_KIND_INSTANCEID = 2,
SEMANTIC_KIND_POSITION = 3,
SEMANTIC_KIND_RTARRAYINDEX = 4,
SEMANTIC_KIND_VIEWPORTARRAYINDEX = 5,
SEMANTIC_KIND_CLIPDISTANCE = 6,
SEMANTIC_KIND_CULLDISTANCE = 7,
SEMANTIC_KIND_OUTPUTCONTROLPOINTID = 8,
SEMANTIC_KIND_DOMAINLOCATION = 9,
SEMANTIC_KIND_PRIMITIVEID = 10,
SEMANTIC_KIND_GSINSTANCEID = 11,
SEMANTIC_KIND_SAMPLEINDEX = 12,
SEMANTIC_KIND_ISFRONTFACE = 13,
SEMANTIC_KIND_COVERAGE = 14,
SEMANTIC_KIND_INNERCOVERAGE = 15,
SEMANTIC_KIND_TARGET = 16,
SEMANTIC_KIND_DEPTH = 17,
SEMANTIC_KIND_DEPTHLESSEQUAL = 18,
SEMANTIC_KIND_DEPTHGREATEREQUAL = 19,
SEMANTIC_KIND_STENCILREF = 20,
SEMANTIC_KIND_DISPATCHTHREADID = 21,
SEMANTIC_KIND_GROUPID = 22,
SEMANTIC_KIND_GROUPINDEX = 23,
SEMANTIC_KIND_GROUPTHREADID = 24,
SEMANTIC_KIND_TESSFACTOR = 25,
SEMANTIC_KIND_INSIDETESSFACTOR = 26,
SEMANTIC_KIND_VIEWID = 27,
SEMANTIC_KIND_BARYCENTRICS = 28,
SEMANTIC_KIND_SHADINGRATE = 29,
SEMANTIC_KIND_CULLPRIMITIVE = 30,
SEMANTIC_KIND_COUNT = 31,
SEMANTIC_KIND_INVALID = SEMANTIC_KIND_COUNT,
};
enum dxil_element_additional_tag
{
ADDITIONAL_TAG_STREAM_INDEX = 0,
ADDITIONAL_TAG_GLOBAL_SYMBOL = 1, /* not used */
ADDITIONAL_TAG_RELADDR_MASK = 2,
ADDITIONAL_TAG_USED_MASK = 3,
};
enum dxil_shader_properties_tag
{
SHADER_PROPERTIES_FLAGS = 0,
SHADER_PROPERTIES_GEOMETRY = 1,
SHADER_PROPERTIES_DOMAIN = 2,
SHADER_PROPERTIES_HULL = 3,
SHADER_PROPERTIES_COMPUTE = 4,
SHADER_PROPERTIES_AUTO_BINDING_SPACE = 5,
SHADER_PROPERTIES_RAY_PAYLOAD_SIZE = 6,
SHADER_PROPERTIES_RAY_ATTRIB_SIZE = 7,
SHADER_PROPERTIES_SHADER_KIND = 8,
SHADER_PROPERTIES_MESH = 9,
SHADER_PROPERTIES_AMPLIFICATION = 10,
SHADER_PROPERTIES_WAVE_SIZE = 11,
SHADER_PROPERTIES_ENTRY_ROOT_SIG = 12,
};
enum dx_intrinsic_opcode
{
DX_LOAD_INPUT = 4,
DX_STORE_OUTPUT = 5,
DX_CREATE_HANDLE = 57,
DX_CBUFFER_LOAD_LEGACY = 59,
};
struct sm6_pointer_info
{
const struct sm6_type *type;
enum bitcode_address_space addr_space;
};
struct sm6_struct_info
{
const char *name;
unsigned int elem_count;
const struct sm6_type *elem_types[];
};
struct sm6_function_info
{
const struct sm6_type *ret_type;
unsigned int param_count;
const struct sm6_type *param_types[];
};
struct sm6_array_info
{
unsigned int count;
const struct sm6_type *elem_type;
};
enum sm6_type_class
{
TYPE_CLASS_VOID,
TYPE_CLASS_INTEGER,
TYPE_CLASS_FLOAT,
TYPE_CLASS_POINTER,
TYPE_CLASS_STRUCT,
TYPE_CLASS_FUNCTION,
TYPE_CLASS_VECTOR,
TYPE_CLASS_ARRAY,
TYPE_CLASS_LABEL,
TYPE_CLASS_METADATA,
};
struct sm6_type
{
enum sm6_type_class class;
union
{
unsigned int width;
struct sm6_pointer_info pointer;
struct sm6_struct_info *struc;
struct sm6_function_info *function;
struct sm6_array_info array;
} u;
};
enum sm6_value_type
{
VALUE_TYPE_FUNCTION,
VALUE_TYPE_REG,
VALUE_TYPE_HANDLE,
};
struct sm6_function_data
{
const char *name;
bool is_prototype;
unsigned int attribs_id;
};
struct sm6_handle_data
{
const struct sm6_descriptor_info *d;
struct vkd3d_shader_register reg;
};
struct sm6_value
{
const struct sm6_type *type;
enum sm6_value_type value_type;
bool is_undefined;
union
{
struct sm6_function_data function;
struct vkd3d_shader_register reg;
struct sm6_handle_data handle;
} u;
};
struct dxil_record
{
unsigned int code;
unsigned int operand_count;
uint64_t operands[];
};
struct sm6_symbol
{
unsigned int id;
const char *name;
};
struct sm6_block
{
struct vkd3d_shader_instruction *instructions;
size_t instruction_capacity;
size_t instruction_count;
};
struct sm6_function
{
const struct sm6_value *declaration;
struct sm6_block *blocks[1];
size_t block_count;
size_t value_count;
};
struct dxil_block
{
const struct dxil_block *parent;
enum bitcode_block_id id;
unsigned int abbrev_len;
unsigned int start;
unsigned int length;
unsigned int level;
/* The abbrev, block and record structs are not relocatable. */
struct dxil_abbrev **abbrevs;
size_t abbrev_capacity;
size_t abbrev_count;
unsigned int blockinfo_bid;
bool has_bid;
struct dxil_block **child_blocks;
size_t child_block_capacity;
size_t child_block_count;
struct dxil_record **records;
size_t record_capacity;
size_t record_count;
};
enum sm6_metadata_type
{
VKD3D_METADATA_KIND,
VKD3D_METADATA_NODE,
VKD3D_METADATA_STRING,
VKD3D_METADATA_VALUE,
};
struct sm6_metadata_node
{
bool is_distinct;
unsigned int operand_count;
struct sm6_metadata_value *operands[];
};
struct sm6_metadata_kind
{
uint64_t id;
char *name;
};
struct sm6_metadata_value
{
enum sm6_metadata_type type;
const struct sm6_type *value_type;
union
{
char *string_value;
const struct sm6_value *value;
struct sm6_metadata_node *node;
struct sm6_metadata_kind kind;
} u;
};
struct sm6_metadata_table
{
struct sm6_metadata_value *values;
unsigned int count;
};
struct sm6_named_metadata
{
char *name;
struct sm6_metadata_value value;
};
struct sm6_descriptor_info
{
enum vkd3d_shader_descriptor_type type;
unsigned int id;
struct vkd3d_shader_register_range range;
};
struct sm6_parser
{
const uint32_t *ptr, *start, *end;
unsigned int bitpos;
struct dxil_block root_block;
struct dxil_block *current_block;
struct dxil_global_abbrev **abbrevs;
size_t abbrev_capacity;
size_t abbrev_count;
struct sm6_type *types;
size_t type_count;
struct sm6_type *metadata_type;
struct sm6_type *handle_type;
struct sm6_symbol *global_symbols;
size_t global_symbol_count;
const char *entry_point;
struct vkd3d_shader_dst_param *output_params;
struct vkd3d_shader_dst_param *input_params;
struct sm6_function *functions;
size_t function_count;
struct sm6_metadata_table metadata_tables[VKD3D_SM6_MAX_METADATA_TABLES];
struct sm6_named_metadata *named_metadata;
unsigned int named_metadata_count;
struct sm6_descriptor_info *descriptors;
size_t descriptor_capacity;
size_t descriptor_count;
struct sm6_value *values;
size_t value_count;
size_t value_capacity;
size_t cur_max_value;
unsigned int ssa_next_id;
struct vkd3d_shader_parser p;
};
struct dxil_abbrev_operand
{
uint64_t context;
bool (*read_operand)(struct sm6_parser *sm6, uint64_t context, uint64_t *operand);
};
struct dxil_abbrev
{
unsigned int count;
bool is_array;
struct dxil_abbrev_operand operands[];
};
struct dxil_global_abbrev
{
unsigned int block_id;
struct dxil_abbrev abbrev;
};
static const uint64_t CALL_CONV_FLAG_EXPLICIT_TYPE = 1ull << 15;
static size_t size_add_with_overflow_check(size_t a, size_t b)
{
size_t i = a + b;
return (i < a) ? SIZE_MAX : i;
}
static struct sm6_parser *sm6_parser(struct vkd3d_shader_parser *parser)
{
return CONTAINING_RECORD(parser, struct sm6_parser, p);
}
static bool sm6_parser_is_end(struct sm6_parser *sm6)
{
return sm6->ptr == sm6->end;
}
static uint32_t sm6_parser_read_uint32(struct sm6_parser *sm6)
{
if (sm6_parser_is_end(sm6))
{
sm6->p.failed = true;
return 0;
}
return *sm6->ptr++;
}
static uint32_t sm6_parser_read_bits(struct sm6_parser *sm6, unsigned int length)
{
unsigned int l, prev_len = 0;
uint32_t bits;
if (!length)
return 0;
assert(length < 32);
if (sm6_parser_is_end(sm6))
{
sm6->p.failed = true;
return 0;
}
assert(sm6->bitpos < 32);
bits = *sm6->ptr >> sm6->bitpos;
l = 32 - sm6->bitpos;
if (l <= length)
{
++sm6->ptr;
if (sm6_parser_is_end(sm6) && l < length)
{
sm6->p.failed = true;
return bits;
}
sm6->bitpos = 0;
bits |= *sm6->ptr << l;
prev_len = l;
}
sm6->bitpos += length - prev_len;
return bits & ((1 << length) - 1);
}
static uint64_t sm6_parser_read_vbr(struct sm6_parser *sm6, unsigned int length)
{
unsigned int bits, flag, mask, shift = 0;
uint64_t result = 0;
if (!length)
return 0;
if (sm6_parser_is_end(sm6))
{
sm6->p.failed = true;
return 0;
}
flag = 1 << (length - 1);
mask = flag - 1;
do
{
bits = sm6_parser_read_bits(sm6, length);
result |= (uint64_t)(bits & mask) << shift;
shift += length - 1;
} while ((bits & flag) && !sm6->p.failed && shift < 64);
sm6->p.failed |= !!(bits & flag);
return result;
}
static void sm6_parser_align_32(struct sm6_parser *sm6)
{
if (!sm6->bitpos)
return;
if (sm6_parser_is_end(sm6))
{
sm6->p.failed = true;
return;
}
++sm6->ptr;
sm6->bitpos = 0;
}
static bool dxil_block_handle_blockinfo_record(struct dxil_block *block, struct dxil_record *record)
{
/* BLOCKINFO blocks must only occur immediately below the module root block. */
if (block->level > 1)
{
WARN("Invalid blockinfo block level %u.\n", block->level);
return false;
}
switch (record->code)
{
case SETBID:
if (!record->operand_count)
{
WARN("Missing id operand.\n");
return false;
}
if (record->operands[0] > UINT_MAX)
WARN("Truncating block id %"PRIu64".\n", record->operands[0]);
block->blockinfo_bid = record->operands[0];
block->has_bid = true;
break;
case BLOCKNAME:
case SETRECORDNAME:
break;
default:
FIXME("Unhandled BLOCKINFO record type %u.\n", record->code);
break;
}
return true;
}
static enum vkd3d_result dxil_block_add_record(struct dxil_block *block, struct dxil_record *record)
{
unsigned int reserve;
switch (block->id)
{
/* Rough initial reserve sizes for small shaders. */
case CONSTANTS_BLOCK: reserve = 32; break;
case FUNCTION_BLOCK: reserve = 128; break;
case METADATA_BLOCK: reserve = 32; break;
case TYPE_BLOCK: reserve = 32; break;
default: reserve = 8; break;
}
reserve = max(reserve, block->record_count + 1);
if (!vkd3d_array_reserve((void **)&block->records, &block->record_capacity, reserve, sizeof(*block->records)))
{
ERR("Failed to allocate %u records.\n", reserve);
return VKD3D_ERROR_OUT_OF_MEMORY;
}
if (block->id == BLOCKINFO_BLOCK && !dxil_block_handle_blockinfo_record(block, record))
return VKD3D_ERROR_INVALID_SHADER;
block->records[block->record_count++] = record;
return VKD3D_OK;
}
static enum vkd3d_result sm6_parser_read_unabbrev_record(struct sm6_parser *sm6)
{
struct dxil_block *block = sm6->current_block;
enum vkd3d_result ret = VKD3D_OK;
unsigned int code, count, i;
struct dxil_record *record;
code = sm6_parser_read_vbr(sm6, 6);
count = sm6_parser_read_vbr(sm6, 6);
if (!(record = vkd3d_malloc(sizeof(*record) + count * sizeof(record->operands[0]))))
{
ERR("Failed to allocate record with %u operands.\n", count);
return VKD3D_ERROR_OUT_OF_MEMORY;
}
record->code = code;
record->operand_count = count;
for (i = 0; i < count; ++i)
record->operands[i] = sm6_parser_read_vbr(sm6, 6);
if (sm6->p.failed)
ret = VKD3D_ERROR_INVALID_SHADER;
if (ret < 0 || (ret = dxil_block_add_record(block, record)) < 0)
vkd3d_free(record);
return ret;
}
static bool sm6_parser_read_literal_operand(struct sm6_parser *sm6, uint64_t context, uint64_t *op)
{
*op = context;
return !sm6->p.failed;
}
static bool sm6_parser_read_fixed_operand(struct sm6_parser *sm6, uint64_t context, uint64_t *op)
{
*op = sm6_parser_read_bits(sm6, context);
return !sm6->p.failed;
}
static bool sm6_parser_read_vbr_operand(struct sm6_parser *sm6, uint64_t context, uint64_t *op)
{
*op = sm6_parser_read_vbr(sm6, context);
return !sm6->p.failed;
}
static bool sm6_parser_read_char6_operand(struct sm6_parser *sm6, uint64_t context, uint64_t *op)
{
*op = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789._"[sm6_parser_read_bits(sm6, 6)];
return !sm6->p.failed;
}
static bool sm6_parser_read_blob_operand(struct sm6_parser *sm6, uint64_t context, uint64_t *op)
{
int count = sm6_parser_read_vbr(sm6, 6);
sm6_parser_align_32(sm6);
for (; count > 0; count -= 4)
sm6_parser_read_uint32(sm6);
FIXME("Unhandled blob operand.\n");
return false;
}
static enum vkd3d_result dxil_abbrev_init(struct dxil_abbrev *abbrev, unsigned int count, struct sm6_parser *sm6)
{
enum bitcode_abbrev_type prev_type, type;
unsigned int i;
abbrev->is_array = false;
for (i = 0, prev_type = 0; i < count && !sm6->p.failed; ++i)
{
if (sm6_parser_read_bits(sm6, 1))
{
if (prev_type == ABBREV_ARRAY)
{
WARN("Unexpected literal abbreviation after array.\n");
return VKD3D_ERROR_INVALID_SHADER;
}
abbrev->operands[i].context = sm6_parser_read_vbr(sm6, 8);
abbrev->operands[i].read_operand = sm6_parser_read_literal_operand;
continue;
}
switch (type = sm6_parser_read_bits(sm6, 3))
{
case ABBREV_FIXED:
case ABBREV_VBR:
abbrev->operands[i].context = sm6_parser_read_vbr(sm6, 5);
abbrev->operands[i].read_operand = (type == ABBREV_FIXED) ? sm6_parser_read_fixed_operand
: sm6_parser_read_vbr_operand;
break;
case ABBREV_ARRAY:
if (prev_type == ABBREV_ARRAY || i != count - 2)
{
WARN("Unexpected array abbreviation.\n");
return VKD3D_ERROR_INVALID_SHADER;
}
abbrev->is_array = true;
--i;
--count;
break;
case ABBREV_CHAR:
abbrev->operands[i].read_operand = sm6_parser_read_char6_operand;
break;
case ABBREV_BLOB:
if (prev_type == ABBREV_ARRAY || i != count - 1)
{
WARN("Unexpected blob abbreviation.\n");
return VKD3D_ERROR_INVALID_SHADER;
}
abbrev->operands[i].read_operand = sm6_parser_read_blob_operand;
break;
}
prev_type = type;
}
abbrev->count = count;
return sm6->p.failed ? VKD3D_ERROR_INVALID_SHADER : VKD3D_OK;
}
static enum vkd3d_result sm6_parser_add_global_abbrev(struct sm6_parser *sm6)
{
struct dxil_block *block = sm6->current_block;
unsigned int count = sm6_parser_read_vbr(sm6, 5);
struct dxil_global_abbrev *global_abbrev;
enum vkd3d_result ret;
assert(block->id == BLOCKINFO_BLOCK);
if (!vkd3d_array_reserve((void **)&sm6->abbrevs, &sm6->abbrev_capacity, sm6->abbrev_count + 1, sizeof(*sm6->abbrevs))
|| !(global_abbrev = vkd3d_malloc(sizeof(*global_abbrev) + count * sizeof(global_abbrev->abbrev.operands[0]))))
{
ERR("Failed to allocate global abbreviation.\n");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
if ((ret = dxil_abbrev_init(&global_abbrev->abbrev, count, sm6)) < 0)
{
vkd3d_free(global_abbrev);
return ret;
}
if (!block->has_bid)
{
WARN("Missing blockinfo block id.\n");
return VKD3D_ERROR_INVALID_SHADER;
}
if (block->blockinfo_bid == MODULE_BLOCK)
{
FIXME("Unhandled global abbreviation for module block.\n");
return VKD3D_ERROR_INVALID_SHADER;
}
global_abbrev->block_id = block->blockinfo_bid;
sm6->abbrevs[sm6->abbrev_count++] = global_abbrev;
return VKD3D_OK;
}
static enum vkd3d_result sm6_parser_add_block_abbrev(struct sm6_parser *sm6)
{
struct dxil_block *block = sm6->current_block;
struct dxil_abbrev *abbrev;
enum vkd3d_result ret;
unsigned int count;
if (block->id == BLOCKINFO_BLOCK)
return sm6_parser_add_global_abbrev(sm6);
count = sm6_parser_read_vbr(sm6, 5);
if (!vkd3d_array_reserve((void **)&block->abbrevs, &block->abbrev_capacity, block->abbrev_count + 1, sizeof(*block->abbrevs))
|| !(abbrev = vkd3d_malloc(sizeof(*abbrev) + count * sizeof(abbrev->operands[0]))))
{
ERR("Failed to allocate block abbreviation.\n");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
if ((ret = dxil_abbrev_init(abbrev, count, sm6)) < 0)
{
vkd3d_free(abbrev);
return ret;
}
block->abbrevs[block->abbrev_count++] = abbrev;
return VKD3D_OK;
}
static enum vkd3d_result sm6_parser_read_abbrev_record(struct sm6_parser *sm6, unsigned int abbrev_id)
{
enum vkd3d_result ret = VKD3D_ERROR_INVALID_SHADER;
struct dxil_block *block = sm6->current_block;
struct dxil_record *temp, *record;
unsigned int i, count, array_len;
struct dxil_abbrev *abbrev;
uint64_t code;
if (abbrev_id >= block->abbrev_count)
{
WARN("Invalid abbreviation id %u.\n", abbrev_id);
return VKD3D_ERROR_INVALID_SHADER;
}
abbrev = block->abbrevs[abbrev_id];
if (!(count = abbrev->count))
return VKD3D_OK;
if (count == 1 && abbrev->is_array)
return VKD3D_ERROR_INVALID_SHADER;
/* First operand is the record code. The array is included in the count, but will be done separately. */
count -= abbrev->is_array + 1;
if (!(record = vkd3d_malloc(sizeof(*record) + count * sizeof(record->operands[0]))))
{
ERR("Failed to allocate record with %u operands.\n", count);
return VKD3D_ERROR_OUT_OF_MEMORY;
}
if (!abbrev->operands[0].read_operand(sm6, abbrev->operands[0].context, &code))
goto fail;
if (code > UINT_MAX)
FIXME("Truncating 64-bit record code %#"PRIx64".\n", code);
record->code = code;
for (i = 0; i < count; ++i)
if (!abbrev->operands[i + 1].read_operand(sm6, abbrev->operands[i + 1].context, &record->operands[i]))
goto fail;
record->operand_count = count;
/* An array can occur only as the last operand. */
if (abbrev->is_array)
{
array_len = sm6_parser_read_vbr(sm6, 6);
if (!(temp = vkd3d_realloc(record, sizeof(*record) + (count + array_len) * sizeof(record->operands[0]))))
{
ERR("Failed to allocate record with %u operands.\n", count + array_len);
ret = VKD3D_ERROR_OUT_OF_MEMORY;
goto fail;
}
record = temp;
for (i = 0; i < array_len; ++i)
{
if (!abbrev->operands[count + 1].read_operand(sm6, abbrev->operands[count + 1].context,
&record->operands[count + i]))
{
goto fail;
}
}
record->operand_count += array_len;
}
if ((ret = dxil_block_add_record(block, record)) < 0)
goto fail;
return VKD3D_OK;
fail:
vkd3d_free(record);
return ret;
}
static enum vkd3d_result dxil_block_init(struct dxil_block *block, const struct dxil_block *parent,
struct sm6_parser *sm6);
static enum vkd3d_result dxil_block_read(struct dxil_block *parent, struct sm6_parser *sm6)
{
unsigned int reserve = (parent->id == MODULE_BLOCK) ? 12 : 2;
struct dxil_block *block;
enum vkd3d_result ret;
sm6->current_block = parent;
do
{
unsigned int abbrev_id = sm6_parser_read_bits(sm6, parent->abbrev_len);
switch (abbrev_id)
{
case END_BLOCK:
sm6_parser_align_32(sm6);
return VKD3D_OK;
case ENTER_SUBBLOCK:
if (parent->id != MODULE_BLOCK && parent->id != FUNCTION_BLOCK)
{
WARN("Invalid subblock parent id %u.\n", parent->id);
return VKD3D_ERROR_INVALID_SHADER;
}
if (!vkd3d_array_reserve((void **)&parent->child_blocks, &parent->child_block_capacity,
max(reserve, parent->child_block_count + 1), sizeof(*parent->child_blocks))
|| !(block = vkd3d_calloc(1, sizeof(*block))))
{
ERR("Failed to allocate block.\n");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
if ((ret = dxil_block_init(block, parent, sm6)) < 0)
{
vkd3d_free(block);
return ret;
}
parent->child_blocks[parent->child_block_count++] = block;
sm6->current_block = parent;
break;
case DEFINE_ABBREV:
if ((ret = sm6_parser_add_block_abbrev(sm6)) < 0)
return ret;
break;
case UNABBREV_RECORD:
if ((ret = sm6_parser_read_unabbrev_record(sm6)) < 0)
{
WARN("Failed to read unabbreviated record.\n");
return ret;
}
break;
default:
if ((ret = sm6_parser_read_abbrev_record(sm6, abbrev_id - 4)) < 0)
{
WARN("Failed to read abbreviated record.\n");
return ret;
}
break;
}
} while (!sm6->p.failed);
return VKD3D_ERROR_INVALID_SHADER;
}
static size_t sm6_parser_compute_global_abbrev_count_for_block_id(struct sm6_parser *sm6,
unsigned int block_id)
{
size_t i, count;
for (i = 0, count = 0; i < sm6->abbrev_count; ++i)
count += sm6->abbrevs[i]->block_id == block_id;
return count;
}
static void dxil_block_destroy(struct dxil_block *block)
{
size_t i;
for (i = 0; i < block->record_count; ++i)
vkd3d_free(block->records[i]);
vkd3d_free(block->records);
for (i = 0; i < block->child_block_count; ++i)
{
dxil_block_destroy(block->child_blocks[i]);
vkd3d_free(block->child_blocks[i]);
}
vkd3d_free(block->child_blocks);
block->records = NULL;
block->record_count = 0;
block->child_blocks = NULL;
block->child_block_count = 0;
}
static enum vkd3d_result dxil_block_init(struct dxil_block *block, const struct dxil_block *parent,
struct sm6_parser *sm6)
{
size_t i, abbrev_count = 0;
enum vkd3d_result ret;
block->parent = parent;
block->level = parent ? parent->level + 1 : 0;
block->id = sm6_parser_read_vbr(sm6, 8);
block->abbrev_len = sm6_parser_read_vbr(sm6, 4);
sm6_parser_align_32(sm6);
block->length = sm6_parser_read_uint32(sm6);
block->start = sm6->ptr - sm6->start;
if (sm6->p.failed)
return VKD3D_ERROR_INVALID_SHADER;
if ((block->abbrev_count = sm6_parser_compute_global_abbrev_count_for_block_id(sm6, block->id)))
{
if (!vkd3d_array_reserve((void **)&block->abbrevs, &block->abbrev_capacity,
block->abbrev_count, sizeof(*block->abbrevs)))
{
ERR("Failed to allocate block abbreviations.\n");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
for (i = 0; i < sm6->abbrev_count; ++i)
if (sm6->abbrevs[i]->block_id == block->id)
block->abbrevs[abbrev_count++] = &sm6->abbrevs[i]->abbrev;
assert(abbrev_count == block->abbrev_count);
}
if ((ret = dxil_block_read(block, sm6)) < 0)
dxil_block_destroy(block);
for (i = abbrev_count; i < block->abbrev_count; ++i)
vkd3d_free(block->abbrevs[i]);
vkd3d_free(block->abbrevs);
block->abbrevs = NULL;
block->abbrev_count = 0;
return ret;
}
static size_t dxil_block_compute_function_count(const struct dxil_block *root)
{
size_t i, count;
for (i = 0, count = 0; i < root->child_block_count; ++i)
count += root->child_blocks[i]->id == FUNCTION_BLOCK;
return count;
}
static size_t dxil_block_compute_module_decl_count(const struct dxil_block *block)
{
size_t i, count;
for (i = 0, count = 0; i < block->record_count; ++i)
count += block->records[i]->code == MODULE_CODE_FUNCTION;
return count;
}
static size_t dxil_block_compute_constants_count(const struct dxil_block *block)
{
size_t i, count;
for (i = 0, count = 0; i < block->record_count; ++i)
count += block->records[i]->code != CST_CODE_SETTYPE;
return count;
}
static void dxil_global_abbrevs_cleanup(struct dxil_global_abbrev **abbrevs, size_t count)
{
size_t i;
for (i = 0; i < count; ++i)
vkd3d_free(abbrevs[i]);
vkd3d_free(abbrevs);
}
static const struct dxil_block *sm6_parser_get_level_one_block(const struct sm6_parser *sm6,
enum bitcode_block_id id, bool *is_unique)
{
const struct dxil_block *block, *found = NULL;
size_t i;
for (i = 0, *is_unique = true; i < sm6->root_block.child_block_count; ++i)
{
block = sm6->root_block.child_blocks[i];
if (block->id != id)
continue;
if (!found)
found = block;
else
*is_unique = false;
}
return found;
}
static char *dxil_record_to_string(const struct dxil_record *record, unsigned int offset, struct sm6_parser *sm6)
{
unsigned int i;
char *str;
assert(offset <= record->operand_count);
if (!(str = vkd3d_calloc(record->operand_count - offset + 1, 1)))
{
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_OUT_OF_MEMORY,
"Out of memory allocating a string of length %u.", record->operand_count - offset);
return NULL;
}
for (i = offset; i < record->operand_count; ++i)
str[i - offset] = record->operands[i];
return str;
}
static bool dxil_record_validate_operand_min_count(const struct dxil_record *record, unsigned int min_count,
struct sm6_parser *sm6)
{
if (record->operand_count >= min_count)
return true;
WARN("Invalid operand count %u for code %u.\n", record->operand_count, record->code);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND_COUNT,
"Invalid operand count %u for record code %u.", record->operand_count, record->code);
return false;
}
static void dxil_record_validate_operand_max_count(const struct dxil_record *record, unsigned int max_count,
struct sm6_parser *sm6)
{
if (record->operand_count <= max_count)
return;
WARN("Ignoring %u extra operands for code %u.\n", record->operand_count - max_count, record->code);
vkd3d_shader_parser_warning(&sm6->p, VKD3D_SHADER_WARNING_DXIL_IGNORING_OPERANDS,
"Ignoring %u extra operands for record code %u.", record->operand_count - max_count, record->code);
}
static bool dxil_record_validate_operand_count(const struct dxil_record *record, unsigned int min_count,
unsigned int max_count, struct sm6_parser *sm6)
{
dxil_record_validate_operand_max_count(record, max_count, sm6);
return dxil_record_validate_operand_min_count(record, min_count, sm6);
}
static enum vkd3d_result sm6_parser_type_table_init(struct sm6_parser *sm6)
{
const struct dxil_record *record;
size_t i, type_count, type_index;
const struct dxil_block *block;
char *struct_name = NULL;
unsigned int j, count;
struct sm6_type *type;
uint64_t type_id;
bool is_unique;
sm6->p.location.line = 0;
sm6->p.location.column = 0;
if (!(block = sm6_parser_get_level_one_block(sm6, TYPE_BLOCK, &is_unique)))
{
WARN("No type definitions found.\n");
return VKD3D_OK;
}
if (!is_unique)
WARN("Ignoring invalid extra type table(s).\n");
sm6->p.location.line = block->id;
type_count = 0;
for (i = 0; i < block->record_count; ++i)
type_count += block->records[i]->code != TYPE_CODE_NUMENTRY && block->records[i]->code != TYPE_CODE_STRUCT_NAME;
/* The type array must not be relocated. */
if (!(sm6->types = vkd3d_calloc(type_count, sizeof(*sm6->types))))
{
ERR("Failed to allocate type array.\n");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
for (i = 0; i < block->record_count; ++i)
{
sm6->p.location.column = i;
record = block->records[i];
type = &sm6->types[sm6->type_count];
type_index = sm6->type_count;
switch (record->code)
{
case TYPE_CODE_ARRAY:
case TYPE_CODE_VECTOR:
if (!dxil_record_validate_operand_count(record, 2, 2, sm6))
return VKD3D_ERROR_INVALID_SHADER;
type->class = record->code == TYPE_CODE_ARRAY ? TYPE_CLASS_ARRAY : TYPE_CLASS_VECTOR;
if (!(type->u.array.count = record->operands[0]))
{
TRACE("Setting unbounded for type %zu.\n", type_index);
type->u.array.count = UINT_MAX;
}
if ((type_id = record->operands[1]) >= type_count)
{
WARN("Invalid contained type id %"PRIu64" for type %zu.\n", type_id, type_index);
return VKD3D_ERROR_INVALID_SHADER;
}
type->u.array.elem_type = &sm6->types[type_id];
break;
case TYPE_CODE_DOUBLE:
dxil_record_validate_operand_max_count(record, 0, sm6);
type->class = TYPE_CLASS_FLOAT;
type->u.width = 64;
break;
case TYPE_CODE_FLOAT:
dxil_record_validate_operand_max_count(record, 0, sm6);
type->class = TYPE_CLASS_FLOAT;
type->u.width = 32;
break;
case TYPE_CODE_FUNCTION:
if (!dxil_record_validate_operand_min_count(record, 2, sm6))
return VKD3D_ERROR_INVALID_SHADER;
if (record->operands[0])
FIXME("Unhandled vararg function type %zu.\n", type_index);
type->class = TYPE_CLASS_FUNCTION;
if ((type_id = record->operands[1]) >= type_count)
{
WARN("Invalid return type id %"PRIu64" for type %zu.\n", type_id, type_index);
return VKD3D_ERROR_INVALID_SHADER;
}
count = record->operand_count - 2;
if (vkd3d_object_range_overflow(sizeof(type->u.function), count, sizeof(type->u.function->param_types[0]))
|| !(type->u.function = vkd3d_malloc(offsetof(struct sm6_function_info, param_types[count]))))
{
ERR("Failed to allocate function parameter types.\n");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
type->u.function->ret_type = &sm6->types[type_id];
type->u.function->param_count = count;
for (j = 0; j < count; ++j)
{
if ((type_id = record->operands[j + 2]) >= type_count)
{
WARN("Invalid parameter type id %"PRIu64" for type %zu.\n", type_id, type_index);
vkd3d_free(type->u.function);
return VKD3D_ERROR_INVALID_SHADER;
}
type->u.function->param_types[j] = &sm6->types[type_id];
}
break;
case TYPE_CODE_HALF:
dxil_record_validate_operand_max_count(record, 0, sm6);
type->class = TYPE_CLASS_FLOAT;
type->u.width = 16;
break;
case TYPE_CODE_INTEGER:
{
uint64_t width;
if (!dxil_record_validate_operand_count(record, 1, 1, sm6))
return VKD3D_ERROR_INVALID_SHADER;
type->class = TYPE_CLASS_INTEGER;
switch ((width = record->operands[0]))
{
case 1:
case 8:
case 16:
case 32:
case 64:
break;
default:
WARN("Invalid integer width %"PRIu64" for type %zu.\n", width, type_index);
return VKD3D_ERROR_INVALID_SHADER;
}
type->u.width = width;
break;
}
case TYPE_CODE_LABEL:
type->class = TYPE_CLASS_LABEL;
break;
case TYPE_CODE_METADATA:
type->class = TYPE_CLASS_METADATA;
sm6->metadata_type = type;
break;
case TYPE_CODE_NUMENTRY:
continue;
case TYPE_CODE_POINTER:
if (!dxil_record_validate_operand_count(record, 1, 2, sm6))
return VKD3D_ERROR_INVALID_SHADER;
type->class = TYPE_CLASS_POINTER;
if ((type_id = record->operands[0]) >= type_count)
{
WARN("Invalid pointee type id %"PRIu64" for type %zu.\n", type_id, type_index);
return VKD3D_ERROR_INVALID_SHADER;
}
type->u.pointer.type = &sm6->types[type_id];
type->u.pointer.addr_space = (record->operand_count > 1) ? record->operands[1] : ADDRESS_SPACE_DEFAULT;
break;
case TYPE_CODE_STRUCT_ANON:
case TYPE_CODE_STRUCT_NAMED:
if (!dxil_record_validate_operand_min_count(record, 2, sm6))
return VKD3D_ERROR_INVALID_SHADER;
if (record->code == TYPE_CODE_STRUCT_NAMED && !struct_name)
{
WARN("Missing struct name before struct type %zu.\n", type_index);
return VKD3D_ERROR_INVALID_SHADER;
}
type->class = TYPE_CLASS_STRUCT;
count = record->operand_count - 1;
if (vkd3d_object_range_overflow(sizeof(type->u.struc), count, sizeof(type->u.struc->elem_types[0]))
|| !(type->u.struc = vkd3d_malloc(offsetof(struct sm6_struct_info, elem_types[count]))))
{
ERR("Failed to allocate struct element types.\n");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
if (record->operands[0])
FIXME("Ignoring struct packed attribute.\n");
type->u.struc->elem_count = count;
for (j = 0; j < count; ++j)
{
if ((type_id = record->operands[j + 1]) >= type_count)
{
WARN("Invalid contained type id %"PRIu64" for type %zu.\n", type_id, type_index);
vkd3d_free(type->u.struc);
return VKD3D_ERROR_INVALID_SHADER;
}
type->u.struc->elem_types[j] = &sm6->types[type_id];
}
if (record->code == TYPE_CODE_STRUCT_ANON)
{
type->u.struc->name = NULL;
break;
}
if (!ascii_strcasecmp(struct_name, "dx.types.Handle"))
sm6->handle_type = type;
type->u.struc->name = struct_name;
struct_name = NULL;
break;
case TYPE_CODE_STRUCT_NAME:
if (!(struct_name = dxil_record_to_string(record, 0, sm6)))
{
ERR("Failed to allocate struct name.\n");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
if (!struct_name[0])
WARN("Struct name is empty for type %zu.\n", type_index);
continue;
case TYPE_CODE_VOID:
dxil_record_validate_operand_max_count(record, 0, sm6);
type->class = TYPE_CLASS_VOID;
break;
default:
FIXME("Unhandled type %u at index %zu.\n", record->code, type_index);
return VKD3D_ERROR_INVALID_SHADER;
}
++sm6->type_count;
}
assert(sm6->type_count == type_count);
if (struct_name)
{
WARN("Unused struct name %s.\n", struct_name);
vkd3d_free(struct_name);
}
return VKD3D_OK;
}
static inline bool sm6_type_is_void(const struct sm6_type *type)
{
return type->class == TYPE_CLASS_VOID;
}
static inline bool sm6_type_is_integer(const struct sm6_type *type)
{
return type->class == TYPE_CLASS_INTEGER;
}
static bool sm6_type_is_bool(const struct sm6_type *type)
{
return type->class == TYPE_CLASS_INTEGER && type->u.width == 1;
}
static inline bool sm6_type_is_i8(const struct sm6_type *type)
{
return type->class == TYPE_CLASS_INTEGER && type->u.width == 8;
}
static inline bool sm6_type_is_i32(const struct sm6_type *type)
{
return type->class == TYPE_CLASS_INTEGER && type->u.width == 32;
}
static inline bool sm6_type_is_floating_point(const struct sm6_type *type)
{
return type->class == TYPE_CLASS_FLOAT;
}
static inline bool sm6_type_is_numeric(const struct sm6_type *type)
{
return type->class == TYPE_CLASS_INTEGER || type->class == TYPE_CLASS_FLOAT;
}
static inline bool sm6_type_is_pointer(const struct sm6_type *type)
{
return type->class == TYPE_CLASS_POINTER;
}
static bool sm6_type_is_numeric_aggregate(const struct sm6_type *type)
{
unsigned int i;
switch (type->class)
{
case TYPE_CLASS_ARRAY:
case TYPE_CLASS_VECTOR:
return sm6_type_is_numeric(type->u.array.elem_type);
case TYPE_CLASS_STRUCT:
/* Do not handle nested structs. Support can be added if they show up. */
for (i = 0; i < type->u.struc->elem_count; ++i)
if (!sm6_type_is_numeric(type->u.struc->elem_types[i]))
return false;
return true;
default:
return false;
}
}
static bool sm6_type_is_array(const struct sm6_type *type)
{
return type->class == TYPE_CLASS_ARRAY;
}
static inline bool sm6_type_is_struct(const struct sm6_type *type)
{
return type->class == TYPE_CLASS_STRUCT;
}
static inline bool sm6_type_is_function(const struct sm6_type *type)
{
return type->class == TYPE_CLASS_FUNCTION;
}
static inline bool sm6_type_is_function_pointer(const struct sm6_type *type)
{
return sm6_type_is_pointer(type) && sm6_type_is_function(type->u.pointer.type);
}
static inline bool sm6_type_is_handle(const struct sm6_type *type)
{
return sm6_type_is_struct(type) && !strcmp(type->u.struc->name, "dx.types.Handle");
}
static inline const struct sm6_type *sm6_type_get_element_type(const struct sm6_type *type)
{
return (type->class == TYPE_CLASS_ARRAY || type->class == TYPE_CLASS_VECTOR) ? type->u.array.elem_type : type;
}
static const struct sm6_type *sm6_type_get_pointer_to_type(const struct sm6_type *type,
enum bitcode_address_space addr_space, struct sm6_parser *sm6)
{
size_t i, start = type - sm6->types;
const struct sm6_type *pointer_type;
/* DXC seems usually to place the pointer type immediately after its pointee. */
for (i = (start + 1) % sm6->type_count; i != start; i = (i + 1) % sm6->type_count)
{
pointer_type = &sm6->types[i];
if (sm6_type_is_pointer(pointer_type) && pointer_type->u.pointer.type == type
&& pointer_type->u.pointer.addr_space == addr_space)
return pointer_type;
}
return NULL;
}
/* Never returns null for elem_idx 0. */
static const struct sm6_type *sm6_type_get_scalar_type(const struct sm6_type *type, unsigned int elem_idx)
{
switch (type->class)
{
case TYPE_CLASS_ARRAY:
case TYPE_CLASS_VECTOR:
if (elem_idx >= type->u.array.count)
return NULL;
return sm6_type_get_scalar_type(type->u.array.elem_type, 0);
case TYPE_CLASS_POINTER:
return sm6_type_get_scalar_type(type->u.pointer.type, 0);
case TYPE_CLASS_STRUCT:
if (elem_idx >= type->u.struc->elem_count)
return NULL;
return sm6_type_get_scalar_type(type->u.struc->elem_types[elem_idx], 0);
default:
return type;
}
}
static unsigned int sm6_type_max_vector_size(const struct sm6_type *type)
{
return min((VKD3D_VEC4_SIZE * sizeof(uint32_t) * CHAR_BIT) / type->u.width, VKD3D_VEC4_SIZE);
}
static const struct sm6_type *sm6_parser_get_type(struct sm6_parser *sm6, uint64_t type_id)
{
if (type_id >= sm6->type_count)
{
WARN("Invalid type index %"PRIu64" at %zu.\n", type_id, sm6->value_count);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_TYPE_ID,
"DXIL type id %"PRIu64" is invalid.", type_id);
return NULL;
}
return &sm6->types[type_id];
}
static int global_symbol_compare(const void *a, const void *b)
{
return vkd3d_u32_compare(((const struct sm6_symbol *)a)->id, ((const struct sm6_symbol *)b)->id);
}
static enum vkd3d_result sm6_parser_symtab_init(struct sm6_parser *sm6)
{
const struct dxil_record *record;
const struct dxil_block *block;
struct sm6_symbol *symbol;
size_t i, count;
bool is_unique;
sm6->p.location.line = 0;
sm6->p.location.column = 0;
if (!(block = sm6_parser_get_level_one_block(sm6, VALUE_SYMTAB_BLOCK, &is_unique)))
{
/* There should always be at least one symbol: the name of the entry point function. */
WARN("No value symtab block found.\n");
return VKD3D_ERROR_INVALID_SHADER;
}
if (!is_unique)
FIXME("Ignoring extra value symtab block(s).\n");
sm6->p.location.line = block->id;
for (i = 0, count = 0; i < block->record_count; ++i)
count += block->records[i]->code == VST_CODE_ENTRY;
if (!(sm6->global_symbols = vkd3d_calloc(count, sizeof(*sm6->global_symbols))))
{
ERR("Failed to allocate global symbols.\n");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
for (i = 0; i < block->record_count; ++i)
{
sm6->p.location.column = i;
record = block->records[i];
if (record->code != VST_CODE_ENTRY)
{
FIXME("Unhandled symtab code %u.\n", record->code);
continue;
}
if (!dxil_record_validate_operand_min_count(record, 1, sm6))
continue;
symbol = &sm6->global_symbols[sm6->global_symbol_count];
symbol->id = record->operands[0];
if (!(symbol->name = dxil_record_to_string(record, 1, sm6)))
{
ERR("Failed to allocate symbol name.\n");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
++sm6->global_symbol_count;
}
sm6->p.location.column = block->record_count;
qsort(sm6->global_symbols, sm6->global_symbol_count, sizeof(*sm6->global_symbols), global_symbol_compare);
for (i = 1; i < sm6->global_symbol_count; ++i)
{
if (sm6->global_symbols[i].id == sm6->global_symbols[i - 1].id)
{
WARN("Invalid duplicate symbol id %u.\n", sm6->global_symbols[i].id);
return VKD3D_ERROR_INVALID_SHADER;
}
}
return VKD3D_OK;
}
static const char *sm6_parser_get_global_symbol_name(const struct sm6_parser *sm6, size_t id)
{
size_t i, start;
/* id == array index is normally true */
i = start = id % sm6->global_symbol_count;
do
{
if (sm6->global_symbols[i].id == id)
return sm6->global_symbols[i].name;
i = (i + 1) % sm6->global_symbol_count;
} while (i != start);
return NULL;
}
static unsigned int register_get_uint_value(const struct vkd3d_shader_register *reg)
{
if (!register_is_constant(reg) || (!data_type_is_integer(reg->data_type) && !data_type_is_bool(reg->data_type)))
return UINT_MAX;
if (reg->dimension == VSIR_DIMENSION_VEC4)
WARN("Returning vec4.x.\n");
if (reg->type == VKD3DSPR_IMMCONST64)
{
if (reg->u.immconst_uint64[0] > UINT_MAX)
FIXME("Truncating 64-bit value.\n");
return reg->u.immconst_uint64[0];
}
return reg->u.immconst_uint[0];
}
static uint64_t register_get_uint64_value(const struct vkd3d_shader_register *reg)
{
if (!register_is_constant(reg) || !data_type_is_integer(reg->data_type))
return UINT64_MAX;
if (reg->dimension == VSIR_DIMENSION_VEC4)
WARN("Returning vec4.x.\n");
return (reg->type == VKD3DSPR_IMMCONST64) ? reg->u.immconst_uint64[0] : reg->u.immconst_uint[0];
}
static inline bool sm6_value_is_function_dcl(const struct sm6_value *value)
{
return value->value_type == VALUE_TYPE_FUNCTION;
}
static inline bool sm6_value_is_dx_intrinsic_dcl(const struct sm6_value *fn)
{
assert(sm6_value_is_function_dcl(fn));
return fn->u.function.is_prototype && !strncmp(fn->u.function.name, "dx.op.", 6);
}
static inline struct sm6_value *sm6_parser_get_current_value(const struct sm6_parser *sm6)
{
assert(sm6->value_count < sm6->value_capacity);
return &sm6->values[sm6->value_count];
}
static inline bool sm6_value_is_register(const struct sm6_value *value)
{
return value->value_type == VALUE_TYPE_REG;
}
static bool sm6_value_is_handle(const struct sm6_value *value)
{
return value->value_type == VALUE_TYPE_HANDLE;
}
static inline bool sm6_value_is_constant(const struct sm6_value *value)
{
return sm6_value_is_register(value) && register_is_constant(&value->u.reg);
}
static inline bool sm6_value_is_undef(const struct sm6_value *value)
{
return sm6_value_is_register(value) && value->u.reg.type == VKD3DSPR_UNDEF;
}
static bool sm6_value_is_icb(const struct sm6_value *value)
{
return sm6_value_is_register(value) && value->u.reg.type == VKD3DSPR_IMMCONSTBUFFER;
}
static inline unsigned int sm6_value_get_constant_uint(const struct sm6_value *value)
{
if (!sm6_value_is_constant(value))
return UINT_MAX;
return register_get_uint_value(&value->u.reg);
}
static unsigned int sm6_parser_alloc_ssa_id(struct sm6_parser *sm6)
{
return sm6->ssa_next_id++;
}
static struct vkd3d_shader_src_param *instruction_src_params_alloc(struct vkd3d_shader_instruction *ins,
unsigned int count, struct sm6_parser *sm6)
{
struct vkd3d_shader_src_param *params = shader_parser_get_src_params(&sm6->p, count);
if (!params)
{
ERR("Failed to allocate src params.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_OUT_OF_MEMORY,
"Out of memory allocating instruction src paramaters.");
return NULL;
}
ins->src = params;
ins->src_count = count;
return params;
}
static struct vkd3d_shader_dst_param *instruction_dst_params_alloc(struct vkd3d_shader_instruction *ins,
unsigned int count, struct sm6_parser *sm6)
{
struct vkd3d_shader_dst_param *params = shader_parser_get_dst_params(&sm6->p, count);
if (!params)
{
ERR("Failed to allocate dst params.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_OUT_OF_MEMORY,
"Out of memory allocating instruction dst paramaters.");
return NULL;
}
ins->dst = params;
ins->dst_count = count;
return params;
}
static void register_init_with_id(struct vkd3d_shader_register *reg,
enum vkd3d_shader_register_type reg_type, enum vkd3d_data_type data_type, unsigned int id)
{
vsir_register_init(reg, reg_type, data_type, 1);
reg->idx[0].offset = id;
}
static enum vkd3d_data_type vkd3d_data_type_from_sm6_type(const struct sm6_type *type)
{
if (type->class == TYPE_CLASS_INTEGER)
{
switch (type->u.width)
{
case 1:
return VKD3D_DATA_BOOL;
case 8:
return VKD3D_DATA_UINT8;
case 32:
return VKD3D_DATA_UINT;
case 64:
return VKD3D_DATA_UINT64;
default:
FIXME("Unhandled width %u.\n", type->u.width);
return VKD3D_DATA_UINT;
}
}
else if (type->class == TYPE_CLASS_FLOAT)
{
switch (type->u.width)
{
case 32:
return VKD3D_DATA_FLOAT;
case 64:
return VKD3D_DATA_DOUBLE;
default:
FIXME("Unhandled width %u.\n", type->u.width);
return VKD3D_DATA_FLOAT;
}
}
FIXME("Unhandled type %u.\n", type->class);
return VKD3D_DATA_UINT;
}
static void register_init_ssa_vector(struct vkd3d_shader_register *reg, const struct sm6_type *type,
unsigned int component_count, struct sm6_parser *sm6)
{
enum vkd3d_data_type data_type;
unsigned int id;
id = sm6_parser_alloc_ssa_id(sm6);
data_type = vkd3d_data_type_from_sm6_type(sm6_type_get_scalar_type(type, 0));
register_init_with_id(reg, VKD3DSPR_SSA, data_type, id);
reg->dimension = component_count > 1 ? VSIR_DIMENSION_VEC4 : VSIR_DIMENSION_SCALAR;
}
static void register_init_ssa_scalar(struct vkd3d_shader_register *reg, const struct sm6_type *type,
struct sm6_parser *sm6)
{
register_init_ssa_vector(reg, type, 1, sm6);
}
static void dst_param_init(struct vkd3d_shader_dst_param *param)
{
param->write_mask = VKD3DSP_WRITEMASK_0;
param->modifiers = 0;
param->shift = 0;
}
static inline void dst_param_init_scalar(struct vkd3d_shader_dst_param *param, unsigned int component_idx)
{
param->write_mask = 1u << component_idx;
param->modifiers = 0;
param->shift = 0;
}
static void dst_param_init_vector(struct vkd3d_shader_dst_param *param, unsigned int component_count)
{
param->write_mask = (1u << component_count) - 1;
param->modifiers = 0;
param->shift = 0;
}
static void dst_param_init_ssa_scalar(struct vkd3d_shader_dst_param *param, const struct sm6_type *type,
struct sm6_parser *sm6)
{
dst_param_init(param);
register_init_ssa_scalar(&param->reg, type, sm6);
}
static inline void src_param_init(struct vkd3d_shader_src_param *param)
{
param->swizzle = VKD3D_SHADER_SWIZZLE(X, X, X, X);
param->modifiers = VKD3DSPSM_NONE;
}
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);
param->modifiers = VKD3DSPSM_NONE;
}
static void src_param_init_from_value(struct vkd3d_shader_src_param *param, const struct sm6_value *src)
{
src_param_init(param);
param->reg = src->u.reg;
}
static void src_param_init_vector_from_reg(struct vkd3d_shader_src_param *param,
const struct vkd3d_shader_register *reg)
{
param->swizzle = VKD3D_SHADER_NO_SWIZZLE;
param->modifiers = VKD3DSPSM_NONE;
param->reg = *reg;
}
static void register_index_address_init(struct vkd3d_shader_register_index *idx, const struct sm6_value *address,
struct sm6_parser *sm6)
{
if (sm6_value_is_constant(address))
{
idx->offset = sm6_value_get_constant_uint(address);
}
else if (sm6_value_is_undef(address))
{
idx->offset = 0;
}
else
{
struct vkd3d_shader_src_param *rel_addr = shader_parser_get_src_params(&sm6->p, 1);
if (rel_addr)
src_param_init_from_value(rel_addr, address);
idx->offset = 0;
idx->rel_addr = rel_addr;
}
}
static void instruction_dst_param_init_ssa_scalar(struct vkd3d_shader_instruction *ins, struct sm6_parser *sm6)
{
struct vkd3d_shader_dst_param *param = instruction_dst_params_alloc(ins, 1, sm6);
struct sm6_value *dst = sm6_parser_get_current_value(sm6);
dst_param_init_ssa_scalar(param, dst->type, sm6);
param->write_mask = VKD3DSP_WRITEMASK_0;
dst->u.reg = param->reg;
}
static void instruction_dst_param_init_ssa_vector(struct vkd3d_shader_instruction *ins,
unsigned int component_count, struct sm6_parser *sm6)
{
struct vkd3d_shader_dst_param *param = instruction_dst_params_alloc(ins, 1, sm6);
struct sm6_value *dst = sm6_parser_get_current_value(sm6);
dst_param_init_vector(param, component_count);
register_init_ssa_vector(&param->reg, sm6_type_get_scalar_type(dst->type, 0), component_count, sm6);
dst->u.reg = param->reg;
}
/* Recurse through the block tree while maintaining a current value count. The current
* count is the sum of the global count plus all declarations within the current function.
* Store into value_capacity the highest count seen. */
static size_t sm6_parser_compute_max_value_count(struct sm6_parser *sm6,
const struct dxil_block *block, size_t value_count)
{
size_t i, old_value_count = value_count;
if (block->id == MODULE_BLOCK)
value_count = size_add_with_overflow_check(value_count, dxil_block_compute_module_decl_count(block));
for (i = 0; i < block->child_block_count; ++i)
value_count = sm6_parser_compute_max_value_count(sm6, block->child_blocks[i], value_count);
switch (block->id)
{
case CONSTANTS_BLOCK:
/* Function local constants are contained in a child block of the function block. */
value_count = size_add_with_overflow_check(value_count, dxil_block_compute_constants_count(block));
break;
case FUNCTION_BLOCK:
/* A function must start with a block count, which emits no value. This formula is likely to
* overestimate the value count somewhat, but this should be no problem. */
value_count = size_add_with_overflow_check(value_count, max(block->record_count, 1u) - 1);
sm6->value_capacity = max(sm6->value_capacity, value_count);
sm6->functions[sm6->function_count].value_count = value_count;
/* The value count returns to its previous value after handling a function. */
if (value_count < SIZE_MAX)
value_count = old_value_count;
break;
default:
break;
}
return value_count;
}
static size_t sm6_parser_get_value_index(struct sm6_parser *sm6, uint64_t idx)
{
size_t i;
/* The value relative index is 32 bits. */
if (idx > UINT32_MAX)
WARN("Ignoring upper 32 bits of relative index.\n");
i = (uint32_t)sm6->value_count - (uint32_t)idx;
/* This may underflow to produce a forward reference, but it must not exceeed the final value count. */
if (i >= sm6->cur_max_value)
{
WARN("Invalid value index %"PRIx64" at %zu.\n", idx, sm6->value_count);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND,
"Invalid value relative index %u.", (unsigned int)idx);
return SIZE_MAX;
}
if (i == sm6->value_count)
{
WARN("Invalid value self-reference at %zu.\n", sm6->value_count);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND, "Invalid value self-reference.");
return SIZE_MAX;
}
return i;
}
static bool sm6_value_validate_is_handle(const struct sm6_value *value, struct sm6_parser *sm6)
{
if (!sm6_value_is_handle(value))
{
WARN("Handle parameter of type %u is not a handle.\n", value->value_type);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_RESOURCE_HANDLE,
"A handle parameter passed to a DX intrinsic function is not a handle.");
return false;
}
return true;
}
static const struct sm6_value *sm6_parser_get_value_safe(struct sm6_parser *sm6, unsigned int idx)
{
if (idx < sm6->value_count)
return &sm6->values[idx];
WARN("Invalid value index %u.\n", idx);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND,
"Invalid value index %u.", idx);
return NULL;
}
static size_t sm6_parser_get_value_idx_by_ref(struct sm6_parser *sm6, const struct dxil_record *record,
const struct sm6_type *fwd_type, unsigned int *rec_idx)
{
unsigned int idx;
uint64_t val_ref;
size_t operand;
idx = *rec_idx;
if (!dxil_record_validate_operand_min_count(record, idx + 1, sm6))
return SIZE_MAX;
val_ref = record->operands[idx++];
operand = sm6_parser_get_value_index(sm6, val_ref);
if (operand == SIZE_MAX)
return SIZE_MAX;
if (operand >= sm6->value_count)
{
if (!fwd_type)
{
/* Forward references are followed by a type id unless an earlier operand set the type,
* or it is contained in a function declaration. */
if (!dxil_record_validate_operand_min_count(record, idx + 1, sm6))
return SIZE_MAX;
if (!(fwd_type = sm6_parser_get_type(sm6, record->operands[idx++])))
return SIZE_MAX;
}
FIXME("Forward value references are not supported yet.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND,
"Unsupported value forward reference.");
return SIZE_MAX;
}
*rec_idx = idx;
return operand;
}
static const struct sm6_value *sm6_parser_get_value_by_ref(struct sm6_parser *sm6,
const struct dxil_record *record, const struct sm6_type *type, unsigned int *rec_idx)
{
size_t operand = sm6_parser_get_value_idx_by_ref(sm6, record, type, rec_idx);
return operand == SIZE_MAX ? NULL : &sm6->values[operand];
}
static bool sm6_parser_declare_function(struct sm6_parser *sm6, const struct dxil_record *record)
{
const unsigned int max_count = 15;
const struct sm6_type *ret_type;
struct sm6_value *fn;
unsigned int i, j;
if (!dxil_record_validate_operand_count(record, 8, max_count, sm6))
return false;
fn = sm6_parser_get_current_value(sm6);
fn->value_type = VALUE_TYPE_FUNCTION;
if (!(fn->u.function.name = sm6_parser_get_global_symbol_name(sm6, sm6->value_count)))
{
WARN("Missing symbol name for function %zu.\n", sm6->value_count);
fn->u.function.name = "";
}
if (!(fn->type = sm6_parser_get_type(sm6, record->operands[0])))
return false;
if (!sm6_type_is_function(fn->type))
{
WARN("Type is not a function.\n");
return false;
}
ret_type = fn->type->u.function->ret_type;
if (!(fn->type = sm6_type_get_pointer_to_type(fn->type, ADDRESS_SPACE_DEFAULT, sm6)))
{
WARN("Failed to get pointer type for type %u.\n", fn->type->class);
return false;
}
if (record->operands[1])
WARN("Ignoring calling convention %#"PRIx64".\n", record->operands[1]);
fn->u.function.is_prototype = !!record->operands[2];
if (record->operands[3])
WARN("Ignoring linkage %#"PRIx64".\n", record->operands[3]);
if (record->operands[4] > UINT_MAX)
WARN("Invalid attributes id %#"PRIx64".\n", record->operands[4]);
/* 1-based index. */
if ((fn->u.function.attribs_id = record->operands[4]))
TRACE("Ignoring function attributes.\n");
/* These always seem to be zero. */
for (i = 5, j = 0; i < min(record->operand_count, max_count); ++i)
j += !!record->operands[i];
if (j)
WARN("Ignoring %u operands.\n", j);
if (sm6_value_is_dx_intrinsic_dcl(fn) && !sm6_type_is_void(ret_type) && !sm6_type_is_numeric(ret_type)
&& !sm6_type_is_numeric_aggregate(ret_type) && !sm6_type_is_handle(ret_type))
{
WARN("Unexpected return type for dx intrinsic function '%s'.\n", fn->u.function.name);
}
++sm6->value_count;
return true;
}
static inline uint64_t decode_rotated_signed_value(uint64_t value)
{
if (value != 1)
{
bool neg = value & 1;
value >>= 1;
return neg ? -value : value;
}
return value << 63;
}
static inline float bitcast_uint64_to_float(uint64_t value)
{
union
{
uint32_t uint32_value;
float float_value;
} u;
u.uint32_value = value;
return u.float_value;
}
static inline double bitcast_uint64_to_double(uint64_t value)
{
union
{
uint64_t uint64_value;
double double_value;
} u;
u.uint64_value = value;
return u.double_value;
}
static enum vkd3d_result register_allocate_constant_array(struct vkd3d_shader_register *reg, const struct sm6_type *type,
const uint64_t *operands, struct sm6_parser *sm6)
{
struct vkd3d_shader_immediate_constant_buffer *icb;
const struct sm6_type *elem_type;
unsigned int i, size, count;
elem_type = type->u.array.elem_type;
/* Multidimensional arrays are emitted in flattened form. */
if (elem_type->class != TYPE_CLASS_INTEGER && elem_type->class != TYPE_CLASS_FLOAT)
{
FIXME("Unhandled element type %u for data array.\n", elem_type->class);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND,
"The element data type for an immediate constant buffer is not scalar integer or floating point.");
return VKD3D_ERROR_INVALID_SHADER;
}
/* Arrays of bool are not used in DXIL. dxc will emit an array of int32 instead if necessary. */
if (!(size = elem_type->u.width / CHAR_BIT))
{
WARN("Invalid data type width %u.\n", elem_type->u.width);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND,
"An immediate constant buffer is declared with boolean elements.");
return VKD3D_ERROR_INVALID_SHADER;
}
size = max(size, sizeof(icb->data[0]));
count = type->u.array.count * size / sizeof(icb->data[0]);
if (!(icb = vkd3d_malloc(offsetof(struct vkd3d_shader_immediate_constant_buffer, data[count]))))
{
ERR("Failed to allocate buffer, count %u.\n", count);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_OUT_OF_MEMORY,
"Out of memory allocating an immediate constant buffer of count %u.", count);
return VKD3D_ERROR_OUT_OF_MEMORY;
}
if ((reg->idx[0].offset = shader_instruction_array_add_icb(&sm6->p.instructions, icb)) == UINT_MAX)
{
ERR("Failed to store icb object.\n");
vkd3d_free(icb);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_OUT_OF_MEMORY,
"Out of memory storing an immediate constant buffer object.");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
reg->type = VKD3DSPR_IMMCONSTBUFFER;
reg->idx_count = 1;
icb->data_type = vkd3d_data_type_from_sm6_type(elem_type);
icb->element_count = type->u.array.count;
icb->component_count = 1;
count = type->u.array.count;
if (size > sizeof(icb->data[0]))
{
uint64_t *data = (uint64_t *)icb->data;
for (i = 0; i < count; ++i)
data[i] = operands[i];
}
else
{
for (i = 0; i < count; ++i)
icb->data[i] = operands[i];
}
return VKD3D_OK;
}
static enum vkd3d_result sm6_parser_constants_init(struct sm6_parser *sm6, const struct dxil_block *block)
{
enum vkd3d_shader_register_type reg_type = VKD3DSPR_INVALID;
const struct sm6_type *type, *elem_type;
enum vkd3d_data_type reg_data_type;
const struct dxil_record *record;
enum vkd3d_result ret;
struct sm6_value *dst;
size_t i, value_idx;
uint64_t value;
for (i = 0, type = NULL; i < block->record_count; ++i)
{
sm6->p.location.column = i;
record = block->records[i];
value_idx = sm6->value_count;
if (record->code == CST_CODE_SETTYPE)
{
if (!dxil_record_validate_operand_count(record, 1, 1, sm6))
return VKD3D_ERROR_INVALID_SHADER;
if (!(type = sm6_parser_get_type(sm6, record->operands[0])))
return VKD3D_ERROR_INVALID_SHADER;
elem_type = sm6_type_get_element_type(type);
if (sm6_type_is_numeric(elem_type))
{
reg_data_type = vkd3d_data_type_from_sm6_type(elem_type);
reg_type = elem_type->u.width > 32 ? VKD3DSPR_IMMCONST64 : VKD3DSPR_IMMCONST;
}
else
{
reg_data_type = VKD3D_DATA_UNUSED;
reg_type = VKD3DSPR_INVALID;
}
if (i == block->record_count - 1)
WARN("Unused SETTYPE record.\n");
continue;
}
if (!type)
{
WARN("Constant record %zu has no type.\n", value_idx);
return VKD3D_ERROR_INVALID_SHADER;
}
dst = sm6_parser_get_current_value(sm6);
dst->type = type;
dst->value_type = VALUE_TYPE_REG;
dst->u.reg.type = reg_type;
dst->u.reg.dimension = VSIR_DIMENSION_SCALAR;
dst->u.reg.data_type = reg_data_type;
switch (record->code)
{
case CST_CODE_NULL:
if (sm6_type_is_array(type))
{
FIXME("Constant null arrays are not supported.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND,
"Constant null arrays are not supported.");
return VKD3D_ERROR_INVALID_SHADER;
}
/* For non-aggregates, register constant data is already zero-filled. */
break;
case CST_CODE_INTEGER:
if (!dxil_record_validate_operand_count(record, 1, 1, sm6))
return VKD3D_ERROR_INVALID_SHADER;
if (!sm6_type_is_integer(type))
{
WARN("Invalid integer of non-integer type %u at constant idx %zu.\n", type->class, value_idx);
return VKD3D_ERROR_INVALID_SHADER;
}
value = decode_rotated_signed_value(record->operands[0]);
if (type->u.width <= 32)
dst->u.reg.u.immconst_uint[0] = value & ((1ull << type->u.width) - 1);
else
dst->u.reg.u.immconst_uint64[0] = value;
break;
case CST_CODE_FLOAT:
if (!dxil_record_validate_operand_count(record, 1, 1, sm6))
return VKD3D_ERROR_INVALID_SHADER;
if (!sm6_type_is_floating_point(type))
{
WARN("Invalid float of non-fp type %u at constant idx %zu.\n", type->class, value_idx);
return VKD3D_ERROR_INVALID_SHADER;
}
if (type->u.width == 16)
FIXME("Half float type is not supported yet.\n");
else if (type->u.width == 32)
dst->u.reg.u.immconst_float[0] = bitcast_uint64_to_float(record->operands[0]);
else if (type->u.width == 64)
dst->u.reg.u.immconst_double[0] = bitcast_uint64_to_double(record->operands[0]);
else
vkd3d_unreachable();
break;
case CST_CODE_DATA:
if (!sm6_type_is_array(type))
{
WARN("Invalid type %u for data constant idx %zu.\n", type->class, value_idx);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND,
"The type of a constant array is not an array type.");
return VKD3D_ERROR_INVALID_SHADER;
}
if (!dxil_record_validate_operand_count(record, type->u.array.count, type->u.array.count, sm6))
return VKD3D_ERROR_INVALID_SHADER;
if ((ret = register_allocate_constant_array(&dst->u.reg, type, record->operands, sm6)) < 0)
return ret;
break;
case CST_CODE_UNDEF:
dxil_record_validate_operand_max_count(record, 0, sm6);
dst->u.reg.type = VKD3DSPR_UNDEF;
/* Mark as explicitly undefined, not the result of a missing constant code or instruction. */
dst->is_undefined = true;
break;
default:
FIXME("Unhandled constant code %u.\n", record->code);
dst->u.reg.type = VKD3DSPR_UNDEF;
break;
}
++sm6->value_count;
}
return VKD3D_OK;
}
static struct vkd3d_shader_instruction *sm6_parser_require_space(struct sm6_parser *sm6, size_t extra)
{
if (!shader_instruction_array_reserve(&sm6->p.instructions, sm6->p.instructions.count + extra))
{
ERR("Failed to allocate instruction.\n");
return NULL;
}
return &sm6->p.instructions.elements[sm6->p.instructions.count];
}
/* Space should be reserved before calling this. It is intended to require no checking of the returned pointer. */
static struct vkd3d_shader_instruction *sm6_parser_add_instruction(struct sm6_parser *sm6,
enum vkd3d_shader_opcode handler_idx)
{
struct vkd3d_shader_instruction *ins = sm6_parser_require_space(sm6, 1);
assert(ins);
vsir_instruction_init(ins, &sm6->p.location, handler_idx);
++sm6->p.instructions.count;
return ins;
}
static enum vkd3d_result sm6_parser_globals_init(struct sm6_parser *sm6)
{
const struct dxil_block *block = &sm6->root_block;
const struct dxil_record *record;
enum vkd3d_result ret;
uint64_t version;
size_t i;
sm6->p.location.line = block->id;
sm6->p.location.column = 0;
for (i = 0; i < block->record_count; ++i)
{
sm6->p.location.column = i;
record = block->records[i];
switch (record->code)
{
case MODULE_CODE_FUNCTION:
if (!sm6_parser_declare_function(sm6, record))
{
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_FUNCTION_DCL,
"A DXIL function declaration is invalid.");
return VKD3D_ERROR_INVALID_SHADER;
}
break;
case MODULE_CODE_GLOBALVAR:
FIXME("Global variables are not implemented yet.\n");
break;
case MODULE_CODE_VERSION:
if (!dxil_record_validate_operand_count(record, 1, 1, sm6))
return VKD3D_ERROR_INVALID_SHADER;
if ((version = record->operands[0]) != 1)
{
FIXME("Unsupported format version %#"PRIx64".\n", version);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_UNSUPPORTED_BITCODE_FORMAT,
"Bitcode format version %#"PRIx64" is unsupported.", version);
return VKD3D_ERROR_INVALID_SHADER;
}
break;
default:
break;
}
}
for (i = 0; i < block->child_block_count; ++i)
{
if (block->child_blocks[i]->id == CONSTANTS_BLOCK
&& (ret = sm6_parser_constants_init(sm6, block->child_blocks[i])) < 0)
return ret;
}
return VKD3D_OK;
}
static void dst_param_io_init(struct vkd3d_shader_dst_param *param,
const struct signature_element *e, enum vkd3d_shader_register_type reg_type)
{
enum vkd3d_shader_component_type component_type;
param->write_mask = e->mask;
param->modifiers = 0;
param->shift = 0;
/* DXIL types do not have signedness. Load signed elements as unsigned. */
component_type = e->component_type == VKD3D_SHADER_COMPONENT_INT ? VKD3D_SHADER_COMPONENT_UINT : e->component_type;
vsir_register_init(&param->reg, reg_type, vkd3d_data_type_from_component_type(component_type), 0);
}
static void sm6_parser_init_signature(struct sm6_parser *sm6, const struct shader_signature *s,
enum vkd3d_shader_register_type reg_type, struct vkd3d_shader_dst_param *params)
{
struct vkd3d_shader_dst_param *param;
const struct signature_element *e;
unsigned int i, count;
for (i = 0; i < s->element_count; ++i)
{
e = &s->elements[i];
param = &params[i];
dst_param_io_init(param, e, reg_type);
count = 0;
if (e->register_count > 1)
param->reg.idx[count++].offset = 0;
param->reg.idx[count++].offset = i;
param->reg.idx_count = count;
}
}
static void sm6_parser_emit_signature(struct sm6_parser *sm6, const struct shader_signature *s,
enum vkd3d_shader_opcode handler_idx, enum vkd3d_shader_opcode siv_handler_idx,
struct vkd3d_shader_dst_param *params)
{
struct vkd3d_shader_instruction *ins;
struct vkd3d_shader_dst_param *param;
const struct signature_element *e;
unsigned int i;
for (i = 0; i < s->element_count; ++i)
{
e = &s->elements[i];
/* Do not check e->used_mask because in some cases it is zero for used elements.
* TODO: scan ahead for used I/O elements. */
if (e->sysval_semantic != VKD3D_SHADER_SV_NONE && e->sysval_semantic != VKD3D_SHADER_SV_TARGET)
{
ins = sm6_parser_add_instruction(sm6, siv_handler_idx);
param = &ins->declaration.register_semantic.reg;
ins->declaration.register_semantic.sysval_semantic = vkd3d_siv_from_sysval(e->sysval_semantic);
}
else
{
ins = sm6_parser_add_instruction(sm6, handler_idx);
param = &ins->declaration.dst;
}
ins->flags = e->interpolation_mode;
*param = params[i];
if (e->register_count > 1)
{
param->reg.idx[0].rel_addr = NULL;
param->reg.idx[0].offset = e->register_count;
}
}
}
static void sm6_parser_init_output_signature(struct sm6_parser *sm6, const struct shader_signature *output_signature)
{
sm6_parser_init_signature(sm6, output_signature,
(sm6->p.shader_version.type == VKD3D_SHADER_TYPE_PIXEL) ? VKD3DSPR_COLOROUT : VKD3DSPR_OUTPUT,
sm6->output_params);
}
static void sm6_parser_init_input_signature(struct sm6_parser *sm6, const struct shader_signature *input_signature)
{
sm6_parser_init_signature(sm6, input_signature, VKD3DSPR_INPUT, sm6->input_params);
}
static void sm6_parser_emit_output_signature(struct sm6_parser *sm6, const struct shader_signature *output_signature)
{
sm6_parser_emit_signature(sm6, output_signature, VKD3DSIH_DCL_OUTPUT, VKD3DSIH_DCL_OUTPUT_SIV, sm6->output_params);
}
static void sm6_parser_emit_input_signature(struct sm6_parser *sm6, const struct shader_signature *input_signature)
{
sm6_parser_emit_signature(sm6, input_signature,
(sm6->p.shader_version.type == VKD3D_SHADER_TYPE_PIXEL) ? VKD3DSIH_DCL_INPUT_PS : VKD3DSIH_DCL_INPUT,
(sm6->p.shader_version.type == VKD3D_SHADER_TYPE_PIXEL) ? VKD3DSIH_DCL_INPUT_PS_SIV : VKD3DSIH_DCL_INPUT_SIV,
sm6->input_params);
}
static const struct sm6_value *sm6_parser_next_function_definition(struct sm6_parser *sm6)
{
size_t i, count = sm6->function_count;
for (i = 0; i < sm6->value_count; ++i)
{
if (sm6_type_is_function_pointer(sm6->values[i].type) && !sm6->values[i].u.function.is_prototype && !count--)
break;
}
if (i == sm6->value_count)
return NULL;
++sm6->function_count;
return &sm6->values[i];
}
static struct sm6_block *sm6_block_create()
{
struct sm6_block *block = vkd3d_calloc(1, sizeof(*block));
return block;
}
static void sm6_parser_emit_dx_cbuffer_load(struct sm6_parser *sm6, struct sm6_block *code_block,
enum dx_intrinsic_opcode op, const struct sm6_value **operands, struct vkd3d_shader_instruction *ins)
{
struct sm6_value *dst = sm6_parser_get_current_value(sm6);
struct vkd3d_shader_src_param *src_param;
const struct sm6_value *buffer;
const struct sm6_type *type;
buffer = operands[0];
if (!sm6_value_validate_is_handle(buffer, sm6))
return;
vsir_instruction_init(ins, &sm6->p.location, VKD3DSIH_MOV);
src_param = instruction_src_params_alloc(ins, 1, sm6);
src_param_init_vector_from_reg(src_param, &buffer->u.handle.reg);
register_index_address_init(&src_param->reg.idx[2], operands[1], sm6);
assert(src_param->reg.idx_count == 3);
type = sm6_type_get_scalar_type(dst->type, 0);
assert(type);
src_param->reg.data_type = vkd3d_data_type_from_sm6_type(type);
instruction_dst_param_init_ssa_vector(ins, sm6_type_max_vector_size(type), sm6);
}
static const struct sm6_descriptor_info *sm6_parser_get_descriptor(struct sm6_parser *sm6,
enum vkd3d_shader_descriptor_type type, unsigned int id, const struct sm6_value *address)
{
const struct sm6_descriptor_info *d;
unsigned int register_index;
size_t i;
for (i = 0; i < sm6->descriptor_count; ++i)
{
d = &sm6->descriptors[i];
if (d->type != type || d->id != id)
continue;
if (!sm6_value_is_constant(address))
return d;
register_index = sm6_value_get_constant_uint(address);
if (register_index >= d->range.first && register_index <= d->range.last)
return d;
}
return NULL;
}
static void sm6_parser_emit_dx_create_handle(struct sm6_parser *sm6, struct sm6_block *code_block,
enum dx_intrinsic_opcode op, const struct sm6_value **operands, struct vkd3d_shader_instruction *ins)
{
enum vkd3d_shader_descriptor_type type;
const struct sm6_descriptor_info *d;
struct vkd3d_shader_register *reg;
struct sm6_value *dst;
unsigned int id;
type = sm6_value_get_constant_uint(operands[0]);
id = sm6_value_get_constant_uint(operands[1]);
if (!(d = sm6_parser_get_descriptor(sm6, type, id, operands[2])))
{
WARN("Failed to find resource type %#x, id %#x.\n", type, id);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND,
"Descriptor for resource type %#x, id %#x was not found.", type, id);
return;
}
dst = sm6_parser_get_current_value(sm6);
dst->value_type = VALUE_TYPE_HANDLE;
dst->u.handle.d = d;
reg = &dst->u.handle.reg;
/* Set idx_count to 3 for use with load instructions.
* TODO: set register type from resource type when other types are supported. */
vsir_register_init(reg, VKD3DSPR_CONSTBUFFER, VKD3D_DATA_FLOAT, 3);
reg->idx[0].offset = id;
register_index_address_init(&reg->idx[1], operands[2], sm6);
reg->non_uniform = !!sm6_value_get_constant_uint(operands[3]);
/* NOP is used to flag no instruction emitted. */
ins->handler_idx = VKD3DSIH_NOP;
}
static void sm6_parser_emit_dx_load_input(struct sm6_parser *sm6, struct sm6_block *code_block,
enum dx_intrinsic_opcode op, const struct sm6_value **operands, struct vkd3d_shader_instruction *ins)
{
struct vkd3d_shader_src_param *src_param;
const struct shader_signature *signature;
unsigned int row_index, column_index;
const struct signature_element *e;
row_index = sm6_value_get_constant_uint(operands[0]);
column_index = sm6_value_get_constant_uint(operands[2]);
vsir_instruction_init(ins, &sm6->p.location, VKD3DSIH_MOV);
signature = &sm6->p.shader_desc.input_signature;
if (row_index >= signature->element_count)
{
WARN("Invalid row index %u.\n", row_index);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND,
"Invalid input row index %u.", row_index);
return;
}
e = &signature->elements[row_index];
src_param = instruction_src_params_alloc(ins, 1, sm6);
src_param->reg = sm6->input_params[row_index].reg;
src_param_init_scalar(src_param, column_index);
if (e->register_count > 1)
register_index_address_init(&src_param->reg.idx[0], operands[1], sm6);
instruction_dst_param_init_ssa_scalar(ins, sm6);
}
static void sm6_parser_emit_dx_store_output(struct sm6_parser *sm6, struct sm6_block *code_block,
enum dx_intrinsic_opcode op, const struct sm6_value **operands, struct vkd3d_shader_instruction *ins)
{
struct vkd3d_shader_src_param *src_param;
struct vkd3d_shader_dst_param *dst_param;
const struct shader_signature *signature;
unsigned int row_index, column_index;
const struct signature_element *e;
const struct sm6_value *value;
row_index = sm6_value_get_constant_uint(operands[0]);
column_index = sm6_value_get_constant_uint(operands[2]);
signature = &sm6->p.shader_desc.output_signature;
if (row_index >= signature->element_count)
{
WARN("Invalid row index %u.\n", row_index);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND,
"Invalid output row index %u.", row_index);
return;
}
e = &signature->elements[row_index];
if (column_index >= VKD3D_VEC4_SIZE)
{
WARN("Invalid column index %u.\n", column_index);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND,
"Invalid output column index %u.", column_index);
return;
}
value = operands[3];
if (!sm6_value_is_register(value))
{
WARN("Source value is not a register.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND,
"Expected store operation source to be a register.");
return;
}
vsir_instruction_init(ins, &sm6->p.location, VKD3DSIH_MOV);
if (!(dst_param = instruction_dst_params_alloc(ins, 1, sm6)))
return;
dst_param_init_scalar(dst_param, column_index);
dst_param->reg = sm6->output_params[row_index].reg;
if (e->register_count > 1)
register_index_address_init(&dst_param->reg.idx[0], operands[1], sm6);
if ((src_param = instruction_src_params_alloc(ins, 1, sm6)))
src_param_init_from_value(src_param, value);
}
struct sm6_dx_opcode_info
{
const char ret_type;
const char *operand_info;
void (*handler)(struct sm6_parser *, struct sm6_block *, enum dx_intrinsic_opcode,
const struct sm6_value **, struct vkd3d_shader_instruction *);
};
/*
8 -> int8
b -> constant int1
c -> constant int8/16/32
i -> int32
H -> handle
v -> void
o -> overloaded
*/
static const struct sm6_dx_opcode_info sm6_dx_op_table[] =
{
[DX_CBUFFER_LOAD_LEGACY ] = {'o', "Hi", sm6_parser_emit_dx_cbuffer_load},
[DX_CREATE_HANDLE ] = {'H', "ccib", sm6_parser_emit_dx_create_handle},
[DX_LOAD_INPUT ] = {'o', "ii8i", sm6_parser_emit_dx_load_input},
[DX_STORE_OUTPUT ] = {'v', "ii8o", sm6_parser_emit_dx_store_output},
};
static bool sm6_parser_validate_operand_type(struct sm6_parser *sm6, const struct sm6_value *value, char info_type,
bool is_return)
{
const struct sm6_type *type = value->type;
if (info_type != 'H' && !sm6_value_is_register(value))
return false;
switch (info_type)
{
case 0:
FIXME("Invalid operand count.\n");
return false;
case '8':
return sm6_type_is_i8(type);
case 'b':
return sm6_value_is_constant(value) && sm6_type_is_bool(type);
case 'c':
return sm6_value_is_constant(value) && sm6_type_is_integer(type) && type->u.width >= 8
&& type->u.width <= 32;
case 'i':
return sm6_type_is_i32(type);
case 'H':
return (is_return || sm6_value_is_handle(value)) && type == sm6->handle_type;
case 'v':
return !type;
case 'o':
/* TODO: some type checking may be possible */
return true;
default:
FIXME("Unhandled operand code '%c'.\n", info_type);
return false;
}
}
static bool sm6_parser_validate_dx_op(struct sm6_parser *sm6, enum dx_intrinsic_opcode op, const char *name,
const struct sm6_value **operands, unsigned int operand_count, struct sm6_value *dst)
{
const struct sm6_dx_opcode_info *info;
unsigned int i;
info = &sm6_dx_op_table[op];
if (!sm6_parser_validate_operand_type(sm6, dst, info->ret_type, true))
{
WARN("Failed to validate return type for dx intrinsic id %u, '%s'.\n", op, name);
/* Return type validation failure is not so critical. We only need to set
* a data type for the SSA result. */
}
for (i = 0; i < operand_count; ++i)
{
const struct sm6_value *value = operands[i];
if (!sm6_parser_validate_operand_type(sm6, value, info->operand_info[i], false))
{
WARN("Failed to validate operand %u for dx intrinsic id %u, '%s'.\n", i + 1, op, name);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND,
"Operand %u for call to dx intrinsic function '%s' is invalid.", i + 1, name);
return false;
}
}
if (info->operand_info[operand_count])
{
WARN("Missing operands for dx intrinsic id %u, '%s'.\n", op, name);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND_COUNT,
"Call to dx intrinsic function '%s' has missing operands.", name);
return false;
}
return true;
}
static void sm6_parser_emit_unhandled(struct sm6_parser *sm6, struct vkd3d_shader_instruction *ins,
struct sm6_value *dst)
{
const struct sm6_type *type;
ins->handler_idx = VKD3DSIH_NOP;
if (!dst->type)
return;
type = sm6_type_get_scalar_type(dst->type, 0);
vsir_register_init(&dst->u.reg, VKD3DSPR_UNDEF, vkd3d_data_type_from_sm6_type(type), 0);
/* dst->is_undefined is not set here because it flags only explicitly undefined values. */
}
static void sm6_parser_decode_dx_op(struct sm6_parser *sm6, struct sm6_block *code_block, enum dx_intrinsic_opcode op,
const char *name, const struct sm6_value **operands, unsigned int operand_count,
struct vkd3d_shader_instruction *ins, struct sm6_value *dst)
{
if (op >= ARRAY_SIZE(sm6_dx_op_table) || !sm6_dx_op_table[op].operand_info)
{
FIXME("Unhandled dx intrinsic function id %u, '%s'.\n", op, name);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_UNHANDLED_INTRINSIC,
"Call to intrinsic function %s is unhandled.", name);
sm6_parser_emit_unhandled(sm6, ins, dst);
return;
}
if (sm6_parser_validate_dx_op(sm6, op, name, operands, operand_count, dst))
sm6_dx_op_table[op].handler(sm6, code_block, op, operands, ins);
else
sm6_parser_emit_unhandled(sm6, ins, dst);
}
static void sm6_parser_emit_call(struct sm6_parser *sm6, const struct dxil_record *record,
struct sm6_block *code_block, struct vkd3d_shader_instruction *ins, struct sm6_value *dst)
{
const struct sm6_value *operands[DXIL_OP_MAX_OPERANDS];
const struct sm6_value *fn_value, *op_value;
unsigned int i = 1, j, operand_count;
const struct sm6_type *type = NULL;
uint64_t call_conv;
if (!dxil_record_validate_operand_min_count(record, 2, sm6))
return;
/* TODO: load the 1-based attributes index from record->operands[0] and validate against attribute count. */
if ((call_conv = record->operands[i++]) & CALL_CONV_FLAG_EXPLICIT_TYPE)
type = sm6_parser_get_type(sm6, record->operands[i++]);
if (call_conv &= ~CALL_CONV_FLAG_EXPLICIT_TYPE)
WARN("Ignoring calling convention %#"PRIx64".\n", call_conv);
if (!(fn_value = sm6_parser_get_value_by_ref(sm6, record, NULL, &i)))
return;
if (!sm6_value_is_function_dcl(fn_value))
{
WARN("Function target value is not a function declaration.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND,
"Function call target value is not a function declaration.");
return;
}
if (type && type != fn_value->type->u.pointer.type)
WARN("Explicit call type does not match function type.\n");
type = fn_value->type->u.pointer.type;
if (!sm6_type_is_void(type->u.function->ret_type))
dst->type = type->u.function->ret_type;
operand_count = type->u.function->param_count;
if (operand_count > ARRAY_SIZE(operands))
{
WARN("Ignoring %zu operands.\n", operand_count - ARRAY_SIZE(operands));
vkd3d_shader_parser_warning(&sm6->p, VKD3D_SHADER_WARNING_DXIL_IGNORING_OPERANDS,
"Ignoring %zu operands for function call.", operand_count - ARRAY_SIZE(operands));
operand_count = ARRAY_SIZE(operands);
}
for (j = 0; j < operand_count; ++j)
{
if (!(operands[j] = sm6_parser_get_value_by_ref(sm6, record, type->u.function->param_types[j], &i)))
return;
}
if ((j = record->operand_count - i))
{
WARN("Ignoring %u operands beyond the function parameter list.\n", j);
vkd3d_shader_parser_warning(&sm6->p, VKD3D_SHADER_WARNING_DXIL_IGNORING_OPERANDS,
"Ignoring %u function call operands beyond the parameter list.", j);
}
if (!fn_value->u.function.is_prototype)
{
FIXME("Unhandled call to local function.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND,
"Call to a local function is unsupported.");
return;
}
if (!sm6_value_is_dx_intrinsic_dcl(fn_value))
WARN("External function is not a dx intrinsic.\n");
if (!operand_count)
{
WARN("Missing dx intrinsic function id.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND_COUNT,
"The id for a dx intrinsic function is missing.");
return;
}
op_value = operands[0];
if (!sm6_value_is_constant(op_value) || !sm6_type_is_integer(op_value->type))
{
WARN("dx intrinsic function id is not a constant int.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND,
"Expected a constant integer dx intrinsic function id.");
return;
}
sm6_parser_decode_dx_op(sm6, code_block, register_get_uint_value(&op_value->u.reg),
fn_value->u.function.name, &operands[1], operand_count - 1, ins, dst);
}
static void sm6_parser_emit_ret(struct sm6_parser *sm6, const struct dxil_record *record,
struct sm6_block *code_block, struct vkd3d_shader_instruction *ins)
{
if (!dxil_record_validate_operand_count(record, 0, 1, sm6))
return;
if (record->operand_count)
FIXME("Non-void return is not implemented.\n");
ins->handler_idx = VKD3DSIH_NOP;
}
static bool sm6_metadata_value_is_node(const struct sm6_metadata_value *m)
{
return m && m->type == VKD3D_METADATA_NODE;
}
static bool sm6_metadata_value_is_value(const struct sm6_metadata_value *m)
{
return m && m->type == VKD3D_METADATA_VALUE;
}
static bool sm6_metadata_value_is_string(const struct sm6_metadata_value *m)
{
return m && m->type == VKD3D_METADATA_STRING;
}
static bool sm6_metadata_get_uint_value(const struct sm6_parser *sm6,
const struct sm6_metadata_value *m, unsigned int *u)
{
const struct sm6_value *value;
if (!m || m->type != VKD3D_METADATA_VALUE)
return false;
value = m->u.value;
if (!sm6_value_is_constant(value))
return false;
if (!sm6_type_is_integer(value->type))
return false;
*u = register_get_uint_value(&value->u.reg);
return true;
}
static bool sm6_metadata_get_uint64_value(const struct sm6_parser *sm6,
const struct sm6_metadata_value *m, uint64_t *u)
{
const struct sm6_value *value;
if (!m || m->type != VKD3D_METADATA_VALUE)
return false;
value = m->u.value;
if (!sm6_value_is_constant(value))
return false;
if (!sm6_type_is_integer(value->type))
return false;
*u = register_get_uint64_value(&value->u.reg);
return true;
}
static enum vkd3d_result sm6_parser_function_init(struct sm6_parser *sm6, const struct dxil_block *block,
struct sm6_function *function)
{
struct vkd3d_shader_instruction *ins;
size_t i, block_idx, block_count;
const struct dxil_record *record;
bool ret_found, is_terminator;
struct sm6_block *code_block;
struct sm6_value *dst;
if (sm6->function_count)
{
FIXME("Multiple functions are not supported yet.\n");
return VKD3D_ERROR_INVALID_SHADER;
}
if (!(function->declaration = sm6_parser_next_function_definition(sm6)))
{
WARN("Failed to find definition to match function body.\n");
return VKD3D_ERROR_INVALID_SHADER;
}
if (block->record_count < 2)
{
/* It should contain at least a block count and a RET instruction. */
WARN("Invalid function block record count %zu.\n", block->record_count);
return VKD3D_ERROR_INVALID_SHADER;
}
if (block->records[0]->code != FUNC_CODE_DECLAREBLOCKS || !block->records[0]->operand_count
|| block->records[0]->operands[0] > UINT_MAX)
{
WARN("Block count declaration not found or invalid.\n");
return VKD3D_ERROR_INVALID_SHADER;
}
if (!(block_count = block->records[0]->operands[0]))
{
WARN("Function contains no blocks.\n");
return VKD3D_ERROR_INVALID_SHADER;
}
if (block_count > 1)
{
FIXME("Branched shaders are not supported yet.\n");
return VKD3D_ERROR_INVALID_SHADER;
}
if (!(function->blocks[0] = sm6_block_create()))
{
ERR("Failed to allocate code block.\n");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
function->block_count = block_count;
code_block = function->blocks[0];
sm6->cur_max_value = function->value_count;
for (i = 1, block_idx = 0, ret_found = false; i < block->record_count; ++i)
{
sm6->p.location.column = i;
if (!code_block)
{
WARN("Invalid block count %zu.\n", function->block_count);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND,
"Invalid block count %zu.", function->block_count);
return VKD3D_ERROR_INVALID_SHADER;
}
/* block->record_count - 1 is the instruction count, but some instructions
* can emit >1 IR instruction, so extra may be used. */
if (!vkd3d_array_reserve((void **)&code_block->instructions, &code_block->instruction_capacity,
max(code_block->instruction_count + 1, block->record_count), sizeof(*code_block->instructions)))
{
ERR("Failed to allocate instructions.\n");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
ins = &code_block->instructions[code_block->instruction_count];
ins->handler_idx = VKD3DSIH_INVALID;
dst = sm6_parser_get_current_value(sm6);
dst->type = NULL;
dst->value_type = VALUE_TYPE_REG;
is_terminator = false;
record = block->records[i];
switch (record->code)
{
case FUNC_CODE_INST_CALL:
sm6_parser_emit_call(sm6, record, code_block, ins, dst);
break;
case FUNC_CODE_INST_RET:
sm6_parser_emit_ret(sm6, record, code_block, ins);
is_terminator = true;
ret_found = true;
break;
default:
FIXME("Unhandled dxil instruction %u.\n", record->code);
return VKD3D_ERROR_INVALID_SHADER;
}
if (sm6->p.failed)
return VKD3D_ERROR;
assert(ins->handler_idx != VKD3DSIH_INVALID);
if (is_terminator)
{
++block_idx;
code_block = (block_idx < function->block_count) ? function->blocks[block_idx] : NULL;
}
if (code_block)
code_block->instruction_count += ins->handler_idx != VKD3DSIH_NOP;
else
assert(ins->handler_idx == VKD3DSIH_NOP);
sm6->value_count += !!dst->type;
}
if (!ret_found)
{
WARN("Function contains no RET instruction.\n");
return VKD3D_ERROR_INVALID_SHADER;
}
return VKD3D_OK;
}
static bool sm6_block_emit_instructions(struct sm6_block *block, struct sm6_parser *sm6)
{
struct vkd3d_shader_instruction *ins = sm6_parser_require_space(sm6, block->instruction_count + 1);
if (!ins)
return false;
memcpy(ins, block->instructions, block->instruction_count * sizeof(*block->instructions));
sm6->p.instructions.count += block->instruction_count;
sm6_parser_add_instruction(sm6, VKD3DSIH_RET);
return true;
}
static enum vkd3d_result sm6_parser_module_init(struct sm6_parser *sm6, const struct dxil_block *block,
unsigned int level)
{
size_t i, old_value_count = sm6->value_count;
struct sm6_function *function;
enum vkd3d_result ret;
for (i = 0; i < block->child_block_count; ++i)
{
if ((ret = sm6_parser_module_init(sm6, block->child_blocks[i], level + 1)) < 0)
return ret;
}
sm6->p.location.line = block->id;
sm6->p.location.column = 0;
switch (block->id)
{
case CONSTANTS_BLOCK:
/* Level 1 (global) constants are already done in sm6_parser_globals_init(). */
if (level < 2)
break;
function = &sm6->functions[sm6->function_count];
sm6->cur_max_value = function->value_count;
return sm6_parser_constants_init(sm6, block);
case FUNCTION_BLOCK:
function = &sm6->functions[sm6->function_count];
if ((ret = sm6_parser_function_init(sm6, block, function)) < 0)
return ret;
/* The value index returns to its previous value after handling a function. It's usually nonzero
* at the start because of global constants/variables/function declarations. Function constants
* occur in a child block, so value_count is already saved before they are emitted. */
memset(&sm6->values[old_value_count], 0, (sm6->value_count - old_value_count) * sizeof(*sm6->values));
sm6->value_count = old_value_count;
break;
case BLOCKINFO_BLOCK:
case MODULE_BLOCK:
case PARAMATTR_BLOCK:
case PARAMATTR_GROUP_BLOCK:
case VALUE_SYMTAB_BLOCK:
case METADATA_BLOCK:
case METADATA_ATTACHMENT_BLOCK:
case TYPE_BLOCK:
break;
default:
FIXME("Unhandled block id %u.\n", block->id);
break;
}
return VKD3D_OK;
}
static bool sm6_parser_allocate_named_metadata(struct sm6_parser *sm6)
{
struct dxil_block *block;
unsigned int i, j, count;
for (i = 0, count = 0; i < sm6->root_block.child_block_count; ++i)
{
block = sm6->root_block.child_blocks[i];
if (block->id != METADATA_BLOCK)
continue;
for (j = 0; j < block->record_count; ++j)
count += block->records[j]->code == METADATA_NAMED_NODE;
}
if (!count)
return true;
return !!(sm6->named_metadata = vkd3d_calloc(count, sizeof(*sm6->named_metadata)));
}
static enum vkd3d_result metadata_value_create_node(struct sm6_metadata_value *m, struct sm6_metadata_table *table,
unsigned int dst_idx, unsigned int end_count, const struct dxil_record *record, struct sm6_parser *sm6)
{
struct sm6_metadata_node *node;
unsigned int i, offset;
m->type = VKD3D_METADATA_NODE;
if (!(m->value_type = sm6->metadata_type))
{
WARN("Metadata type not found.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_METADATA,
"The type for metadata values was not found.");
return VKD3D_ERROR_INVALID_SHADER;
}
if (!(node = vkd3d_malloc(offsetof(struct sm6_metadata_node, operands[record->operand_count]))))
{
ERR("Failed to allocate metadata node with %u operands.\n", record->operand_count);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_OUT_OF_MEMORY,
"Out of memory allocating a metadata node with %u operands.", record->operand_count);
return VKD3D_ERROR_OUT_OF_MEMORY;
}
m->u.node = node;
node->is_distinct = record->code == METADATA_DISTINCT_NODE;
offset = record->code != METADATA_NAMED_NODE;
for (i = 0; i < record->operand_count; ++i)
{
uint64_t ref;
ref = record->operands[i] - offset;
if (record->operands[i] >= offset && ref >= end_count)
{
WARN("Invalid metadata index %"PRIu64".\n", ref);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_METADATA,
"Metadata index %"PRIu64" is invalid.", ref);
vkd3d_free(node);
return VKD3D_ERROR_INVALID_SHADER;
}
if (!node->is_distinct && ref == dst_idx)
{
WARN("Metadata self-reference at index %u.\n", dst_idx);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_METADATA,
"Metadata index %u is self-referencing.", dst_idx);
vkd3d_free(node);
return VKD3D_ERROR_INVALID_SHADER;
}
node->operands[i] = (record->operands[i] >= offset) ? &table->values[ref] : NULL;
if (record->code == METADATA_NAMED_NODE && !sm6_metadata_value_is_node(node->operands[i]))
{
WARN("Named node operand is not a node.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_METADATA,
"The operand of a metadata named node is not a node.");
vkd3d_free(node);
return VKD3D_ERROR_INVALID_SHADER;
}
}
node->operand_count = record->operand_count;
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)
{
unsigned int i, count, table_idx, value_idx;
struct sm6_metadata_value *values, *m;
const struct dxil_record *record;
const struct sm6_value *value;
enum vkd3d_result ret;
char *name;
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, name = NULL; i < block->record_count; ++i)
{
record = block->records[i];
table_idx = table->count;
m = &values[table_idx];
switch (record->code)
{
case METADATA_NAMED_NODE:
if (!name)
{
WARN("Named node has no name.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_METADATA,
"A metadata named node has no name.");
return VKD3D_ERROR_INVALID_SHADER;
}
/* When DXC emits metadata value array reference indices it assumes named nodes
* are not included in the array. Store named nodes separately. */
m = &sm6->named_metadata[sm6->named_metadata_count].value;
sm6->named_metadata[sm6->named_metadata_count].name = name;
name = NULL;
if ((ret = metadata_value_create_node(m, table, UINT_MAX, count, record, sm6)) < 0)
return ret;
++sm6->named_metadata_count;
/* Skip incrementing the table count. */
continue;
case METADATA_DISTINCT_NODE:
case METADATA_NODE:
if ((ret = metadata_value_create_node(m, table, table_idx, count, record, sm6)) < 0)
return ret;
break;
case METADATA_KIND:
if (!dxil_record_validate_operand_min_count(record, 2, sm6))
return VKD3D_ERROR_INVALID_SHADER;
m->type = VKD3D_METADATA_KIND;
m->u.kind.id = record->operands[0];
if (!(m->u.kind.name = dxil_record_to_string(record, 1, sm6)))
{
ERR("Failed to allocate name of a kind.\n");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
break;
case METADATA_NAME:
/* Check the next record to avoid freeing 'name' in all exit paths. */
if (i + 1 == block->record_count || block->records[i + 1]->code != METADATA_NAMED_NODE)
{
WARN("Name is not followed by a named node.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_METADATA,
"A metadata node name is not followed by a named node.");
return VKD3D_ERROR_INVALID_SHADER;
}
/* LLVM allows an empty string here. */
if (!(name = dxil_record_to_string(record, 0, sm6)))
{
ERR("Failed to allocate name.\n");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
continue;
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;
case METADATA_VALUE:
if (!dxil_record_validate_operand_count(record, 2, 2, sm6))
return VKD3D_ERROR_INVALID_SHADER;
m->type = VKD3D_METADATA_VALUE;
if (!(m->value_type = sm6_parser_get_type(sm6, record->operands[0])))
return VKD3D_ERROR_INVALID_SHADER;
if (record->operands[1] > UINT_MAX)
WARN("Truncating value index %"PRIu64".\n", record->operands[1]);
value_idx = record->operands[1];
if (!(value = sm6_parser_get_value_safe(sm6, value_idx)))
return VKD3D_ERROR_INVALID_SHADER;
if (!sm6_value_is_constant(value) && !sm6_value_is_undef(value) && !sm6_value_is_icb(value)
&& !sm6_value_is_function_dcl(value))
{
WARN("Value at index %u is not a constant or a function declaration.\n", value_idx);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_METADATA,
"Metadata value at index %u is not a constant or a function declaration.", value_idx);
return VKD3D_ERROR_INVALID_SHADER;
}
m->u.value = value;
if (value->type != m->value_type)
{
WARN("Type mismatch.\n");
vkd3d_shader_parser_warning(&sm6->p, VKD3D_SHADER_WARNING_DXIL_TYPE_MISMATCH,
"The type of a metadata value does not match its referenced value at index %u.", value_idx);
}
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 enum vkd3d_shader_component_type vkd3d_component_type_from_dxil_component_type(enum dxil_component_type type)
{
switch (type)
{
case COMPONENT_TYPE_I1:
return VKD3D_SHADER_COMPONENT_BOOL;
case COMPONENT_TYPE_I16:
case COMPONENT_TYPE_I32:
return VKD3D_SHADER_COMPONENT_INT;
case COMPONENT_TYPE_U16:
case COMPONENT_TYPE_U32:
return VKD3D_SHADER_COMPONENT_UINT;
case COMPONENT_TYPE_F16:
case COMPONENT_TYPE_F32:
case COMPONENT_TYPE_SNORMF32:
case COMPONENT_TYPE_UNORMF32:
return VKD3D_SHADER_COMPONENT_FLOAT;
case COMPONENT_TYPE_F64:
case COMPONENT_TYPE_SNORMF64:
case COMPONENT_TYPE_UNORMF64:
return VKD3D_SHADER_COMPONENT_DOUBLE;
default:
FIXME("Unhandled component type %u.\n", type);
return VKD3D_SHADER_COMPONENT_UINT;
}
}
static enum vkd3d_shader_minimum_precision minimum_precision_from_dxil_component_type(enum dxil_component_type type)
{
switch (type)
{
case COMPONENT_TYPE_F16:
return VKD3D_SHADER_MINIMUM_PRECISION_FLOAT_16;
case COMPONENT_TYPE_I16:
return VKD3D_SHADER_MINIMUM_PRECISION_INT_16;
case COMPONENT_TYPE_U16:
return VKD3D_SHADER_MINIMUM_PRECISION_UINT_16;
default:
return VKD3D_SHADER_MINIMUM_PRECISION_NONE;
}
}
static const enum vkd3d_shader_sysval_semantic sysval_semantic_table[] =
{
[SEMANTIC_KIND_ARBITRARY] = VKD3D_SHADER_SV_NONE,
[SEMANTIC_KIND_POSITION] = VKD3D_SHADER_SV_POSITION,
[SEMANTIC_KIND_TARGET] = VKD3D_SHADER_SV_NONE,
};
static enum vkd3d_shader_sysval_semantic sysval_semantic_from_dxil_semantic_kind(enum dxil_semantic_kind kind)
{
if (kind < ARRAY_SIZE(sysval_semantic_table))
{
return sysval_semantic_table[kind];
}
else
{
return VKD3D_SHADER_SV_NONE;
}
}
static const struct sm6_metadata_value *sm6_parser_find_named_metadata(struct sm6_parser *sm6, const char *name)
{
const struct sm6_metadata_node *node;
unsigned int i;
for (i = 0; i < sm6->named_metadata_count; ++i)
{
if (strcmp(sm6->named_metadata[i].name, name))
continue;
node = sm6->named_metadata[i].value.u.node;
if (!node->operand_count)
return NULL;
if (node->operand_count > 1)
{
FIXME("Ignoring %u extra operands for %s.\n", node->operand_count - 1, name);
vkd3d_shader_parser_warning(&sm6->p, VKD3D_SHADER_WARNING_DXIL_IGNORING_OPERANDS,
"Ignoring %u extra operands for metadata node %s.", node->operand_count - 1, name);
}
return node->operands[0];
}
return NULL;
}
static bool sm6_parser_resources_load_register_range(struct sm6_parser *sm6,
const struct sm6_metadata_node *node, struct vkd3d_shader_register_range *range)
{
unsigned int size;
if (!sm6_metadata_value_is_value(node->operands[1]))
{
WARN("Resource data type is not a value.\n");
return false;
}
if (!sm6_type_is_pointer(node->operands[1]->value_type))
{
WARN("Resource type is not a pointer.\n");
vkd3d_shader_parser_warning(&sm6->p, VKD3D_SHADER_WARNING_DXIL_TYPE_MISMATCH,
"Resource metadata value type is not a pointer.");
}
if (!sm6_metadata_get_uint_value(sm6, node->operands[3], &range->space))
{
WARN("Failed to load register space.\n");
return false;
}
if (!sm6_metadata_get_uint_value(sm6, node->operands[4], &range->first))
{
WARN("Failed to load register first.\n");
return false;
}
if (!sm6_metadata_get_uint_value(sm6, node->operands[5], &size))
{
WARN("Failed to load register range size.\n");
return false;
}
if (!size || (size != UINT_MAX && !vkd3d_bound_range(range->first, size, UINT_MAX)))
{
WARN("Invalid register range, first %u, size %u.\n", range->first, size);
return false;
}
range->last = (size == UINT_MAX) ? UINT_MAX : range->first + size - 1;
return true;
}
static enum vkd3d_result sm6_parser_resources_load_cbv(struct sm6_parser *sm6,
const struct sm6_metadata_node *node, struct sm6_descriptor_info *d, struct vkd3d_shader_instruction *ins)
{
struct vkd3d_shader_register *reg;
unsigned int buffer_size;
if (node->operand_count < 7)
{
WARN("Invalid operand count %u.\n", node->operand_count);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND_COUNT,
"Invalid operand count %u for a CBV descriptor.", node->operand_count);
return VKD3D_ERROR_INVALID_SHADER;
}
if (node->operand_count > 7 && node->operands[7])
{
WARN("Ignoring %u extra operands.\n", node->operand_count - 7);
vkd3d_shader_parser_warning(&sm6->p, VKD3D_SHADER_WARNING_DXIL_IGNORING_OPERANDS,
"Ignoring %u extra operands for a CBV descriptor.", node->operand_count - 7);
}
if (!sm6_metadata_get_uint_value(sm6, node->operands[6], &buffer_size))
{
WARN("Failed to load buffer size.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_RESOURCES,
"Constant buffer size metadata value is not an integer.");
return VKD3D_ERROR_INVALID_SHADER;
}
vsir_instruction_init(ins, &sm6->p.location, VKD3DSIH_DCL_CONSTANT_BUFFER);
ins->resource_type = VKD3D_SHADER_RESOURCE_BUFFER;
ins->declaration.cb.size = buffer_size;
ins->declaration.cb.src.swizzle = VKD3D_SHADER_NO_SWIZZLE;
ins->declaration.cb.src.modifiers = VKD3DSPSM_NONE;
reg = &ins->declaration.cb.src.reg;
vsir_register_init(reg, VKD3DSPR_CONSTBUFFER, VKD3D_DATA_FLOAT, 3);
reg->idx[0].offset = d->id;
reg->idx[1].offset = d->range.first;
reg->idx[2].offset = d->range.last;
ins->declaration.cb.range = d->range;
return VKD3D_OK;
}
static enum vkd3d_result sm6_parser_descriptor_type_init(struct sm6_parser *sm6,
enum vkd3d_shader_descriptor_type type, const struct sm6_metadata_node *descriptor_node)
{
struct vkd3d_shader_instruction *ins;
const struct sm6_metadata_node *node;
const struct sm6_metadata_value *m;
struct sm6_descriptor_info *d;
enum vkd3d_result ret;
unsigned int i;
for (i = 0; i < descriptor_node->operand_count; ++i)
{
m = descriptor_node->operands[i];
if (!sm6_metadata_value_is_node(m))
{
WARN("Resource descriptor is not a node.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_RESOURCES,
"Resource descriptor is not a metadata node.");
return VKD3D_ERROR_INVALID_SHADER;
}
node = m->u.node;
if (node->operand_count < 6)
{
WARN("Invalid operand count %u.\n", node->operand_count);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND_COUNT,
"Invalid operand count %u for a descriptor.", node->operand_count);
return VKD3D_ERROR_INVALID_SHADER;
}
if (!vkd3d_array_reserve((void **)&sm6->descriptors, &sm6->descriptor_capacity,
sm6->descriptor_count + 1, sizeof(*sm6->descriptors)))
{
ERR("Failed to allocate descriptor array.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_OUT_OF_MEMORY,
"Out of memory allocating the descriptor array.");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
d = &sm6->descriptors[sm6->descriptor_count];
d->type = type;
if (!sm6_metadata_get_uint_value(sm6, node->operands[0], &d->id))
{
WARN("Failed to load resource id.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_RESOURCES,
"Resource id metadata value is not an integer.");
return VKD3D_ERROR_INVALID_SHADER;
}
if (!sm6_parser_resources_load_register_range(sm6, node, &d->range))
{
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_RESOURCES,
"Resource register range is invalid.");
return VKD3D_ERROR_INVALID_SHADER;
}
if (!(ins = sm6_parser_require_space(sm6, 1)))
{
ERR("Failed to allocate instruction.\n");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
switch (type)
{
case VKD3D_SHADER_DESCRIPTOR_TYPE_CBV:
if ((ret = sm6_parser_resources_load_cbv(sm6, node, d, ins)) < 0)
return ret;
break;
default:
FIXME("Unsupported descriptor type %u.\n", type);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_RESOURCES,
"Resource descriptor type %u is unsupported.", type);
return VKD3D_ERROR_INVALID_SHADER;
}
++sm6->descriptor_count;
++sm6->p.instructions.count;
}
return VKD3D_OK;
}
static enum vkd3d_result sm6_parser_resources_init(struct sm6_parser *sm6)
{
const struct sm6_metadata_value *m = sm6_parser_find_named_metadata(sm6, "dx.resources");
enum vkd3d_shader_descriptor_type type;
const struct sm6_metadata_node *node;
enum vkd3d_result ret;
if (!m)
return VKD3D_OK;
node = m->u.node;
if (node->operand_count != SHADER_DESCRIPTOR_TYPE_COUNT)
{
WARN("Unexpected descriptor type count %u.\n", node->operand_count);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_RESOURCES,
"Descriptor type count %u is invalid.", node->operand_count);
return VKD3D_ERROR_INVALID_SHADER;
}
for (type = 0; type < SHADER_DESCRIPTOR_TYPE_COUNT; ++type)
{
if (!(m = node->operands[type]))
continue;
if (!sm6_metadata_value_is_node(m))
{
WARN("Resource list is not a node.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_RESOURCES,
"Resource list is not a metadata node.");
return VKD3D_ERROR_INVALID_SHADER;
}
if ((ret = sm6_parser_descriptor_type_init(sm6, type, m->u.node)) < 0)
return ret;
}
return VKD3D_OK;
}
static void signature_element_read_additional_element_values(struct signature_element *e,
const struct sm6_metadata_node *node, struct sm6_parser *sm6)
{
unsigned int i, operand_count, value;
enum dxil_element_additional_tag tag;
if (node->operand_count < 11 || !node->operands[10])
return;
if (!sm6_metadata_value_is_node(node->operands[10]))
{
WARN("Additional values list is not a node.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_SIGNATURE,
"Signature element additional values list is not a metadata node.");
return;
}
node = node->operands[10]->u.node;
if (node->operand_count & 1)
{
WARN("Operand count is not even.\n");
vkd3d_shader_parser_warning(&sm6->p, VKD3D_SHADER_WARNING_DXIL_IGNORING_OPERANDS,
"Operand count for signature element additional tag/value pairs is not even.");
}
operand_count = node->operand_count & ~1u;
for (i = 0; i < operand_count; i += 2)
{
if (!sm6_metadata_get_uint_value(sm6, node->operands[i], &tag)
|| !sm6_metadata_get_uint_value(sm6, node->operands[i + 1], &value))
{
WARN("Failed to extract tag/value pair.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_SIGNATURE,
"Signature element tag/value pair at index %u is not an integer pair.", i);
continue;
}
switch (tag)
{
case ADDITIONAL_TAG_STREAM_INDEX:
e->stream_index = value;
break;
case ADDITIONAL_TAG_RELADDR_MASK:
/* A mask of components accessed via relative addressing. Seems to replace TPF 'dcl_index_range'. */
if (value > VKD3DSP_WRITEMASK_ALL)
{
WARN("Invalid relative addressed mask %#x.\n", value);
vkd3d_shader_parser_warning(&sm6->p, VKD3D_SHADER_WARNING_DXIL_INVALID_MASK,
"Mask %#x of relative-addressed components is invalid.", value);
}
break;
case ADDITIONAL_TAG_USED_MASK:
if (value > VKD3DSP_WRITEMASK_ALL)
{
WARN("Invalid used mask %#x.\n", value);
vkd3d_shader_parser_warning(&sm6->p, VKD3D_SHADER_WARNING_DXIL_INVALID_MASK,
"Mask %#x of used components is invalid.", value);
value &= VKD3DSP_WRITEMASK_ALL;
}
e->used_mask = value;
break;
default:
FIXME("Unhandled tag %u, value %u.\n", tag, value);
vkd3d_shader_parser_warning(&sm6->p, VKD3D_SHADER_WARNING_DXIL_IGNORING_OPERANDS,
"Tag %#x for signature element additional value %#x is unhandled.", tag, value);
break;
}
}
}
static enum vkd3d_result sm6_parser_read_signature(struct sm6_parser *sm6, const struct sm6_metadata_value *m,
struct shader_signature *s)
{
unsigned int i, j, column_count, operand_count, index;
const struct sm6_metadata_node *node, *element_node;
struct signature_element *elements, *e;
unsigned int values[10];
if (!m)
return VKD3D_OK;
if (!sm6_metadata_value_is_node(m))
{
WARN("Signature element list is not a node.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_SIGNATURE,
"Signature element list is not a metadata node.");
return VKD3D_ERROR_INVALID_SHADER;
}
node = m->u.node;
operand_count = node->operand_count;
if (!(elements = vkd3d_calloc(operand_count, sizeof(*elements))))
{
ERR("Failed to allocate %u signature elements.\n", operand_count);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_OUT_OF_MEMORY,
"Out of memory allocating %u signature elements.", operand_count);
return VKD3D_ERROR_OUT_OF_MEMORY;
}
for (i = 0; i < operand_count; ++i)
{
m = node->operands[i];
if (!sm6_metadata_value_is_node(m))
{
WARN("Signature element is not a node.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_SIGNATURE,
"Signature element is not a metadata node.");
return VKD3D_ERROR_INVALID_SHADER;
}
element_node = m->u.node;
if (element_node->operand_count < 10)
{
WARN("Invalid operand count %u.\n", element_node->operand_count);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_SIGNATURE,
"Invalid signature element operand count %u.", element_node->operand_count);
return VKD3D_ERROR_INVALID_SHADER;
}
if (element_node->operand_count > 11)
{
WARN("Ignoring %u extra operands.\n", element_node->operand_count - 11);
vkd3d_shader_parser_warning(&sm6->p, VKD3D_SHADER_WARNING_DXIL_IGNORING_OPERANDS,
"Ignoring %u extra operands for a signature element.", element_node->operand_count - 11);
}
for (j = 0; j < 10; ++j)
{
/* 1 is the semantic name, 4 is semantic index metadata. */
if (j == 1 || j == 4)
continue;
if (!sm6_metadata_get_uint_value(sm6, element_node->operands[j], &values[j]))
{
WARN("Failed to load uint value at index %u.\n", j);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_SIGNATURE,
"Signature element value at index %u is not an integer.", j);
return VKD3D_ERROR_INVALID_SHADER;
}
}
e = &elements[i];
if (values[0] != i)
{
FIXME("Unsupported element id %u not equal to its index %u.\n", values[0], i);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_SIGNATURE,
"A non-sequential and non-zero-based element id is not supported.");
return VKD3D_ERROR_INVALID_SHADER;
}
if (!sm6_metadata_value_is_string(element_node->operands[1]))
{
WARN("Element name is not a string.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_SIGNATURE,
"Signature element name is not a metadata string.");
return VKD3D_ERROR_INVALID_SHADER;
}
e->semantic_name = element_node->operands[1]->u.string_value;
e->component_type = vkd3d_component_type_from_dxil_component_type(values[2]);
e->min_precision = minimum_precision_from_dxil_component_type(values[2]);
j = values[3];
e->sysval_semantic = sysval_semantic_from_dxil_semantic_kind(j);
if (j != SEMANTIC_KIND_ARBITRARY && j != SEMANTIC_KIND_TARGET && e->sysval_semantic == VKD3D_SHADER_SV_NONE)
{
WARN("Unhandled semantic kind %u.\n", j);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_SIGNATURE,
"DXIL semantic kind %u is unhandled.", j);
return VKD3D_ERROR_INVALID_SHADER;
}
if ((e->interpolation_mode = values[5]) >= VKD3DSIM_COUNT)
{
WARN("Unhandled interpolation mode %u.\n", e->interpolation_mode);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_SIGNATURE,
"Interpolation mode %u is unhandled.", e->interpolation_mode);
return VKD3D_ERROR_INVALID_SHADER;
}
e->register_count = values[6];
column_count = values[7];
e->register_index = values[8];
e->target_location = e->register_index;
if (e->register_index > MAX_REG_OUTPUT || e->register_count > MAX_REG_OUTPUT - e->register_index)
{
WARN("Invalid row start %u with row count %u.\n", e->register_index, e->register_count);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_SIGNATURE,
"A signature element starting row of %u with count %u is invalid.",
e->register_index, e->register_count);
return VKD3D_ERROR_INVALID_SHADER;
}
index = values[9];
if (index >= VKD3D_VEC4_SIZE || column_count > VKD3D_VEC4_SIZE - index)
{
WARN("Invalid column start %u with count %u.\n", index, column_count);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_SIGNATURE,
"A signature element starting column %u with count %u is invalid.", index, column_count);
return VKD3D_ERROR_INVALID_SHADER;
}
e->mask = vkd3d_write_mask_from_component_count(column_count) << index;
e->used_mask = e->mask;
signature_element_read_additional_element_values(e, element_node, sm6);
m = element_node->operands[4];
if (!sm6_metadata_value_is_node(m))
{
WARN("Semantic index list is not a node.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_SIGNATURE,
"Signature element semantic index list is not a metadata node.");
return VKD3D_ERROR_INVALID_SHADER;
}
element_node = m->u.node;
for (j = 0; j < element_node->operand_count; ++j)
{
if (!sm6_metadata_get_uint_value(sm6, element_node->operands[j], &index))
{
WARN("Failed to get semantic index for row %u.\n", j);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_SIGNATURE,
"Signature element semantic index for row %u is not an integer.", j);
}
else if (!j)
{
e->semantic_index = index;
}
else if (index != e->semantic_index + j)
{
WARN("Semantic index %u for row %u is not of an incrementing sequence.\n", index, j);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_SIGNATURE,
"Signature element semantic index %u for row %u is not of an incrementing sequence.", index, j);
}
}
}
vkd3d_free(s->elements);
s->elements = elements;
s->element_count = operand_count;
return VKD3D_OK;
}
static enum vkd3d_result sm6_parser_signatures_init(struct sm6_parser *sm6, const struct sm6_metadata_value *m)
{
enum vkd3d_result ret;
if (!sm6_metadata_value_is_node(m))
{
WARN("Signature table is not a node.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_SIGNATURE,
"Signature table is not a metadata node.");
return VKD3D_ERROR_INVALID_SHADER;
}
if (m->u.node->operand_count && (ret = sm6_parser_read_signature(sm6, m->u.node->operands[0],
&sm6->p.shader_desc.input_signature)) < 0)
{
return ret;
}
if (m->u.node->operand_count > 1 && (ret = sm6_parser_read_signature(sm6, m->u.node->operands[1],
&sm6->p.shader_desc.output_signature)) < 0)
{
return ret;
}
/* TODO: patch constant signature in operand 2. */
sm6_parser_init_input_signature(sm6, &sm6->p.shader_desc.input_signature);
sm6_parser_init_output_signature(sm6, &sm6->p.shader_desc.output_signature);
return VKD3D_OK;
}
static void sm6_parser_emit_global_flags(struct sm6_parser *sm6, const struct sm6_metadata_value *m)
{
enum vkd3d_shader_global_flags global_flags, mask, rotated_flags;
struct vkd3d_shader_instruction *ins;
if (!sm6_metadata_get_uint64_value(sm6, m, &global_flags))
{
WARN("Failed to load global flags.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_PROPERTIES,
"Global flags metadata value is not an integer.");
return;
}
/* Rotate SKIP_OPTIMIZATION from bit 0 to bit 4 to match vkd3d_shader_global_flags. */
mask = (VKD3DSGF_SKIP_OPTIMIZATION << 1) - 1;
rotated_flags = global_flags & mask;
rotated_flags = (rotated_flags >> 1) | ((rotated_flags & 1) << 4);
global_flags = (global_flags & ~mask) | rotated_flags;
ins = sm6_parser_add_instruction(sm6, VKD3DSIH_DCL_GLOBAL_FLAGS);
ins->declaration.global_flags = global_flags;
}
static enum vkd3d_result sm6_parser_emit_thread_group(struct sm6_parser *sm6, const struct sm6_metadata_value *m)
{
const struct sm6_metadata_node *node;
struct vkd3d_shader_instruction *ins;
unsigned int group_sizes[3];
unsigned int i;
if (sm6->p.shader_version.type != VKD3D_SHADER_TYPE_COMPUTE)
{
WARN("Shader of type %#x has thread group dimensions.\n", sm6->p.shader_version.type);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_PROPERTIES,
"Shader has thread group dimensions but is not a compute shader.");
return VKD3D_ERROR_INVALID_SHADER;
}
if (!m || !sm6_metadata_value_is_node(m))
{
WARN("Thread group dimension value is not a node.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_PROPERTIES,
"Thread group dimension metadata value is not a node.");
return VKD3D_ERROR_INVALID_SHADER;
}
node = m->u.node;
if (node->operand_count != 3)
{
WARN("Invalid operand count %u.\n", node->operand_count);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND_COUNT,
"Thread group dimension operand count %u is invalid.", node->operand_count);
return VKD3D_ERROR_INVALID_SHADER;
}
for (i = 0; i < 3; ++i)
{
if (!sm6_metadata_get_uint_value(sm6, node->operands[i], &group_sizes[i]))
{
WARN("Thread group dimension is not an integer value.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_PROPERTIES,
"Thread group dimension metadata value is not an integer.");
return VKD3D_ERROR_INVALID_SHADER;
}
if (!group_sizes[i] || group_sizes[i] > dx_max_thread_group_size[i])
{
char dim = "XYZ"[i];
WARN("Invalid thread group %c dimension %u.\n", dim, group_sizes[i]);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_PROPERTIES,
"Thread group %c dimension %u is invalid.", dim, group_sizes[i]);
return VKD3D_ERROR_INVALID_SHADER;
}
}
ins = sm6_parser_add_instruction(sm6, VKD3DSIH_DCL_THREAD_GROUP);
ins->declaration.thread_group_size.x = group_sizes[0];
ins->declaration.thread_group_size.y = group_sizes[1];
ins->declaration.thread_group_size.z = group_sizes[2];
return VKD3D_OK;
}
static enum vkd3d_result sm6_parser_entry_point_init(struct sm6_parser *sm6)
{
const struct sm6_metadata_value *m = sm6_parser_find_named_metadata(sm6, "dx.entryPoints");
const struct sm6_metadata_node *node, *entry_node = m ? m->u.node : NULL;
enum dxil_shader_properties_tag tag;
unsigned int i, operand_count;
const struct sm6_value *value;
enum vkd3d_result ret;
if (!entry_node || entry_node->operand_count < 2 || !(m = entry_node->operands[0]))
{
WARN("No entry point definition found.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_ENTRY_POINT,
"No entry point definition found in the metadata.");
return VKD3D_ERROR_INVALID_SHADER;
}
if (m->type != VKD3D_METADATA_VALUE)
{
WARN("Entry point definition is not a value.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_ENTRY_POINT,
"Entry point definition is not a metadata value.");
return VKD3D_ERROR_INVALID_SHADER;
}
value = m->u.value;
if (!sm6_value_is_function_dcl(value))
{
WARN("Entry point value is not a function definition.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_ENTRY_POINT,
"Entry point metadata value does not contain a function definition.");
return VKD3D_ERROR_INVALID_SHADER;
}
sm6->entry_point = value->u.function.name;
if (!sm6_metadata_value_is_string(entry_node->operands[1])
|| ascii_strcasecmp(sm6->entry_point, entry_node->operands[1]->u.string_value))
{
WARN("Entry point function name %s mismatch.\n", sm6->entry_point);
vkd3d_shader_parser_warning(&sm6->p, VKD3D_SHADER_WARNING_DXIL_ENTRY_POINT_MISMATCH,
"Entry point function name %s does not match the name in metadata.", sm6->entry_point);
}
if (entry_node->operand_count >= 3 && (m = entry_node->operands[2])
&& (ret = sm6_parser_signatures_init(sm6, m)) < 0)
{
return ret;
}
if (entry_node->operand_count >= 5 && (m = entry_node->operands[4]))
{
if (!sm6_metadata_value_is_node(m))
{
WARN("Shader properties list is not a node.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_PROPERTIES,
"Shader properties tag/value list is not a metadata node.");
return VKD3D_ERROR_INVALID_SHADER;
}
node = m->u.node;
if (node->operand_count & 1)
{
WARN("Operand count is not even.\n");
vkd3d_shader_parser_warning(&sm6->p, VKD3D_SHADER_WARNING_DXIL_IGNORING_OPERANDS,
"Operand count for shader properties tag/value pairs is not even.");
}
operand_count = node->operand_count & ~1u;
for (i = 0; i < operand_count; i += 2)
{
if (!sm6_metadata_get_uint_value(sm6, node->operands[i], &tag))
{
WARN("Tag is not an integer value.\n");
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_PROPERTIES,
"Shader properties tag at index %u is not an integer.", i);
return VKD3D_ERROR_INVALID_SHADER;
}
switch (tag)
{
case SHADER_PROPERTIES_FLAGS:
sm6_parser_emit_global_flags(sm6, node->operands[i + 1]);
break;
case SHADER_PROPERTIES_COMPUTE:
if ((ret = sm6_parser_emit_thread_group(sm6, node->operands[i + 1])) < 0)
return ret;
break;
default:
FIXME("Unhandled tag %#x.\n", tag);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_PROPERTIES,
"Shader properties tag %#x is unhandled.", tag);
break;
}
}
}
return VKD3D_OK;
}
static void sm6_metadata_value_destroy(struct sm6_metadata_value *m)
{
switch (m->type)
{
case VKD3D_METADATA_NODE:
vkd3d_free(m->u.node);
break;
case VKD3D_METADATA_KIND:
vkd3d_free(m->u.kind.name);
break;
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);
}
for (i = 0; i < sm6->named_metadata_count; ++i)
{
sm6_metadata_value_destroy(&sm6->named_metadata[i].value);
vkd3d_free(sm6->named_metadata[i].name);
}
vkd3d_free(sm6->named_metadata);
}
static void sm6_type_table_cleanup(struct sm6_type *types, size_t count)
{
size_t i;
if (!types)
return;
for (i = 0; i < count; ++i)
{
switch (types[i].class)
{
case TYPE_CLASS_STRUCT:
vkd3d_free((void *)types[i].u.struc->name);
vkd3d_free(types[i].u.struc);
break;
case TYPE_CLASS_FUNCTION:
vkd3d_free(types[i].u.function);
break;
default:
break;
}
}
vkd3d_free(types);
}
static void sm6_symtab_cleanup(struct sm6_symbol *symbols, size_t count)
{
size_t i;
for (i = 0; i < count; ++i)
vkd3d_free((void *)symbols[i].name);
vkd3d_free(symbols);
}
static void sm6_block_destroy(struct sm6_block *block)
{
vkd3d_free(block->instructions);
vkd3d_free(block);
}
static void sm6_functions_cleanup(struct sm6_function *functions, size_t count)
{
size_t i, j;
for (i = 0; i < count; ++i)
{
for (j = 0; j < functions[i].block_count; ++j)
sm6_block_destroy(functions[i].blocks[j]);
}
vkd3d_free(functions);
}
static void sm6_parser_destroy(struct vkd3d_shader_parser *parser)
{
struct sm6_parser *sm6 = sm6_parser(parser);
dxil_block_destroy(&sm6->root_block);
dxil_global_abbrevs_cleanup(sm6->abbrevs, sm6->abbrev_count);
shader_instruction_array_destroy(&parser->instructions);
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->descriptors);
vkd3d_free(sm6->values);
free_shader_desc(&parser->shader_desc);
vkd3d_free(sm6);
}
static const struct vkd3d_shader_parser_ops sm6_parser_ops =
{
.parser_destroy = sm6_parser_destroy,
};
static struct sm6_function *sm6_parser_get_function(const struct sm6_parser *sm6, const char *name)
{
size_t i;
for (i = 0; i < sm6->function_count; ++i)
if (!ascii_strcasecmp(sm6->functions[i].declaration->u.function.name, name))
return &sm6->functions[i];
return NULL;
}
static enum vkd3d_result sm6_parser_init(struct sm6_parser *sm6, const uint32_t *byte_code, size_t byte_code_size,
const char *source_name, struct vkd3d_shader_message_context *message_context)
{
const struct shader_signature *output_signature = &sm6->p.shader_desc.output_signature;
const struct shader_signature *input_signature = &sm6->p.shader_desc.input_signature;
const struct vkd3d_shader_location location = {.source_name = source_name};
uint32_t version_token, dxil_version, token_count, magic;
unsigned int chunk_offset, chunk_size;
size_t count, length, function_count;
enum bitcode_block_abbreviation abbr;
struct vkd3d_shader_version version;
struct dxil_block *block;
struct sm6_function *fn;
enum vkd3d_result ret;
unsigned int i, j;
count = byte_code_size / sizeof(*byte_code);
if (count < 6)
{
WARN("Invalid data size %zu.\n", byte_code_size);
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXIL_INVALID_SIZE,
"DXIL chunk size %zu is smaller than the DXIL header size.", byte_code_size);
return VKD3D_ERROR_INVALID_SHADER;
}
version_token = byte_code[0];
TRACE("Compiler version: 0x%08x.\n", version_token);
token_count = byte_code[1];
TRACE("Token count: %u.\n", token_count);
if (token_count < 6 || count < token_count)
{
WARN("Invalid token count %u (word count %zu).\n", token_count, count);
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXIL_INVALID_CHUNK_SIZE,
"DXIL chunk token count %#x is invalid (word count %zu).", token_count, count);
return VKD3D_ERROR_INVALID_SHADER;
}
if (byte_code[2] != TAG_DXIL)
WARN("Unknown magic number 0x%08x.\n", byte_code[2]);
dxil_version = byte_code[3];
if (dxil_version > 0x102)
WARN("Unknown DXIL version: 0x%08x.\n", dxil_version);
else
TRACE("DXIL version: 0x%08x.\n", dxil_version);
chunk_offset = byte_code[4];
if (chunk_offset < 16 || chunk_offset >= byte_code_size)
{
WARN("Invalid bitcode chunk offset %#x (data size %zu).\n", chunk_offset, byte_code_size);
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXIL_INVALID_CHUNK_OFFSET,
"DXIL bitcode chunk has invalid offset %#x (data size %#zx).", chunk_offset, byte_code_size);
return VKD3D_ERROR_INVALID_SHADER;
}
chunk_size = byte_code[5];
if (chunk_size > byte_code_size - chunk_offset)
{
WARN("Invalid bitcode chunk size %#x (data size %zu, chunk offset %#x).\n",
chunk_size, byte_code_size, chunk_offset);
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXIL_INVALID_CHUNK_SIZE,
"DXIL bitcode chunk has invalid size %#x (data size %#zx, chunk offset %#x).",
chunk_size, byte_code_size, chunk_offset);
return VKD3D_ERROR_INVALID_SHADER;
}
sm6->start = (const uint32_t *)((const char*)&byte_code[2] + chunk_offset);
if ((magic = sm6->start[0]) != BITCODE_MAGIC)
{
WARN("Unknown magic number 0x%08x.\n", magic);
vkd3d_shader_parser_warning(&sm6->p, VKD3D_SHADER_WARNING_DXIL_UNKNOWN_MAGIC_NUMBER,
"DXIL bitcode chunk magic number 0x%08x is not the expected 0x%08x.", magic, BITCODE_MAGIC);
}
sm6->end = &sm6->start[(chunk_size + sizeof(*sm6->start) - 1) / sizeof(*sm6->start)];
if ((version.type = version_token >> 16) >= VKD3D_SHADER_TYPE_COUNT)
{
FIXME("Unknown shader type %#x.\n", version.type);
vkd3d_shader_parser_warning(&sm6->p, VKD3D_SHADER_WARNING_DXIL_UNKNOWN_SHADER_TYPE,
"Unknown shader type %#x.", version.type);
}
version.major = VKD3D_SM6_VERSION_MAJOR(version_token);
version.minor = VKD3D_SM6_VERSION_MINOR(version_token);
if ((abbr = sm6->start[1] & 3) != ENTER_SUBBLOCK)
{
WARN("Initial block abbreviation %u is not ENTER_SUBBLOCK.\n", abbr);
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXIL_INVALID_BITCODE,
"DXIL bitcode chunk has invalid initial block abbreviation %u.", abbr);
return VKD3D_ERROR_INVALID_SHADER;
}
/* Estimate instruction count to avoid reallocation in most shaders. */
count = max(token_count, 400) - 400;
vkd3d_shader_parser_init(&sm6->p, message_context, source_name, &version, &sm6_parser_ops,
(count + (count >> 2)) / 2u + 10);
sm6->ptr = &sm6->start[1];
sm6->bitpos = 2;
block = &sm6->root_block;
if ((ret = dxil_block_init(block, NULL, sm6)) < 0)
{
if (ret == VKD3D_ERROR_OUT_OF_MEMORY)
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXIL_OUT_OF_MEMORY,
"Out of memory parsing DXIL bitcode chunk.");
else if (ret == VKD3D_ERROR_INVALID_SHADER)
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXIL_INVALID_BITCODE,
"DXIL bitcode chunk has invalid bitcode.");
else
vkd3d_unreachable();
return ret;
}
dxil_global_abbrevs_cleanup(sm6->abbrevs, sm6->abbrev_count);
sm6->abbrevs = NULL;
sm6->abbrev_count = 0;
length = sm6->ptr - sm6->start - block->start;
if (length != block->length)
{
WARN("Invalid block length %zu; expected %u.\n", length, block->length);
vkd3d_shader_parser_warning(&sm6->p, VKD3D_SHADER_WARNING_DXIL_INVALID_BLOCK_LENGTH,
"Root block ends with length %zu but indicated length is %u.", length, block->length);
}
if (sm6->ptr != sm6->end)
{
size_t expected_length = sm6->end - sm6->start;
length = sm6->ptr - sm6->start;
WARN("Invalid module length %zu; expected %zu.\n", length, expected_length);
vkd3d_shader_parser_warning(&sm6->p, VKD3D_SHADER_WARNING_DXIL_INVALID_MODULE_LENGTH,
"Module ends with length %zu but indicated length is %zu.", length, expected_length);
}
if ((ret = sm6_parser_type_table_init(sm6)) < 0)
{
if (ret == VKD3D_ERROR_OUT_OF_MEMORY)
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXIL_OUT_OF_MEMORY,
"Out of memory parsing DXIL type table.");
else if (ret == VKD3D_ERROR_INVALID_SHADER)
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXIL_INVALID_TYPE_TABLE,
"DXIL type table is invalid.");
else
vkd3d_unreachable();
return ret;
}
if ((ret = sm6_parser_symtab_init(sm6)) < 0)
{
if (ret == VKD3D_ERROR_OUT_OF_MEMORY)
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXIL_OUT_OF_MEMORY,
"Out of memory parsing DXIL value symbol table.");
else if (ret == VKD3D_ERROR_INVALID_SHADER)
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXIL_INVALID_VALUE_SYMTAB,
"DXIL value symbol table is invalid.");
else
vkd3d_unreachable();
return ret;
}
if (!(sm6->output_params = shader_parser_get_dst_params(&sm6->p, output_signature->element_count))
|| !(sm6->input_params = shader_parser_get_dst_params(&sm6->p, input_signature->element_count)))
{
ERR("Failed to allocate input/output parameters.\n");
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXIL_OUT_OF_MEMORY,
"Out of memory allocating input/output parameters.");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
function_count = dxil_block_compute_function_count(&sm6->root_block);
if (!(sm6->functions = vkd3d_calloc(function_count, sizeof(*sm6->functions))))
{
ERR("Failed to allocate function array.\n");
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXIL_OUT_OF_MEMORY,
"Out of memory allocating DXIL function array.");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
if (sm6_parser_compute_max_value_count(sm6, &sm6->root_block, 0) == SIZE_MAX)
{
WARN("Value array count overflowed.\n");
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXIL_INVALID_MODULE,
"Overflow occurred in the DXIL module value count.");
return VKD3D_ERROR_INVALID_SHADER;
}
if (!(sm6->values = vkd3d_calloc(sm6->value_capacity, sizeof(*sm6->values))))
{
ERR("Failed to allocate value array.\n");
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXIL_OUT_OF_MEMORY,
"Out of memory allocating DXIL value array.");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
sm6->ssa_next_id = 1;
if ((ret = sm6_parser_globals_init(sm6)) < 0)
{
WARN("Failed to load global declarations.\n");
return ret;
}
if (!sm6_parser_allocate_named_metadata(sm6))
{
ERR("Failed to allocate named metadata array.\n");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
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;
}
if ((ret = sm6_parser_entry_point_init(sm6)) < 0)
return ret;
if ((ret = sm6_parser_resources_init(sm6)) < 0)
return ret;
if ((ret = sm6_parser_module_init(sm6, &sm6->root_block, 0)) < 0)
{
if (ret == VKD3D_ERROR_OUT_OF_MEMORY)
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXIL_OUT_OF_MEMORY,
"Out of memory parsing DXIL module.");
else if (ret == VKD3D_ERROR_INVALID_SHADER)
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXIL_INVALID_MODULE,
"DXIL module is invalid.");
return ret;
}
if (!sm6_parser_require_space(sm6, output_signature->element_count + input_signature->element_count))
{
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXIL_OUT_OF_MEMORY,
"Out of memory emitting shader signature declarations.");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
sm6_parser_emit_output_signature(sm6, output_signature);
sm6_parser_emit_input_signature(sm6, input_signature);
sm6->p.shader_desc.ssa_count = sm6->ssa_next_id;
if (!(fn = sm6_parser_get_function(sm6, sm6->entry_point)))
{
WARN("Failed to find entry point %s.\n", sm6->entry_point);
vkd3d_shader_parser_error(&sm6->p, VKD3D_SHADER_ERROR_DXIL_INVALID_ENTRY_POINT,
"The definition of the entry point function '%s' was not found.", sm6->entry_point);
return VKD3D_ERROR_INVALID_SHADER;
}
assert(sm6->function_count == 1);
if (!sm6_block_emit_instructions(fn->blocks[0], sm6))
{
vkd3d_shader_error(message_context, &location, VKD3D_SHADER_ERROR_DXIL_OUT_OF_MEMORY,
"Out of memory emitting shader instructions.");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
dxil_block_destroy(&sm6->root_block);
return VKD3D_OK;
}
int vkd3d_shader_sm6_parser_create(const struct vkd3d_shader_compile_info *compile_info,
struct vkd3d_shader_message_context *message_context, struct vkd3d_shader_parser **parser)
{
struct vkd3d_shader_desc *shader_desc;
uint32_t *byte_code = NULL;
struct sm6_parser *sm6;
int ret;
ERR("Creating a DXIL parser. This is unsupported; you get to keep all the pieces if it breaks.\n");
if (!(sm6 = vkd3d_calloc(1, sizeof(*sm6))))
{
ERR("Failed to allocate parser.\n");
return VKD3D_ERROR_OUT_OF_MEMORY;
}
shader_desc = &sm6->p.shader_desc;
shader_desc->is_dxil = true;
if ((ret = shader_extract_from_dxbc(&compile_info->source, message_context, compile_info->source_name,
shader_desc)) < 0)
{
WARN("Failed to extract shader, vkd3d result %d.\n", ret);
vkd3d_free(sm6);
return ret;
}
sm6->p.shader_desc = *shader_desc;
shader_desc = &sm6->p.shader_desc;
if (((uintptr_t)shader_desc->byte_code & (VKD3D_DXBC_CHUNK_ALIGNMENT - 1)))
{
/* LLVM bitcode should be 32-bit aligned, but before dxc v1.7.2207 this was not always the case in the DXBC
* container due to missing padding after signature names. Get an aligned copy to prevent unaligned access. */
if (!(byte_code = vkd3d_malloc(align(shader_desc->byte_code_size, VKD3D_DXBC_CHUNK_ALIGNMENT))))
ERR("Failed to allocate aligned chunk. Unaligned access will occur.\n");
else
memcpy(byte_code, shader_desc->byte_code, shader_desc->byte_code_size);
}
ret = sm6_parser_init(sm6, byte_code ? byte_code : shader_desc->byte_code, shader_desc->byte_code_size,
compile_info->source_name, message_context);
vkd3d_free(byte_code);
if (!sm6->p.failed && ret >= 0)
vsir_validate(&sm6->p);
if (sm6->p.failed && ret >= 0)
ret = VKD3D_ERROR_INVALID_SHADER;
if (ret < 0)
{
WARN("Failed to initialise shader parser.\n");
sm6_parser_destroy(&sm6->p);
return ret;
}
*parser = &sm6->p;
return ret;
}
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