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vkd3d-shader/dxil: Validate the module format version.

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This commit is contained in:
Conor McCarthy 2023-06-29 15:32:44 +10:00 committed by Alexandre Julliard
parent eca4b62c7e
commit 22157c3da3
Notes: Alexandre Julliard 2023-07-11 23:13:49 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/259
2 changed files with 57 additions and 0 deletions
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56
libs/vkd3d-shader/dxil.c
View File

@ -70,6 +70,13 @@ enum bitcode_address_space
ADDRESS_SPACE_GROUPSHARED,
};
enum bitcode_module_code
{
MODULE_CODE_VERSION = 1,
MODULE_CODE_GLOBALVAR = 7,
MODULE_CODE_FUNCTION = 8,
};
enum bitcode_type_code
{
TYPE_CODE_NUMENTRY = 1,
@ -1201,6 +1208,49 @@ static enum vkd3d_result sm6_parser_symtab_init(struct sm6_parser *sm6)
return VKD3D_OK;
}
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;
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:
FIXME("Functions are not implemented yet.\n");
break;
case MODULE_CODE_GLOBALVAR:
FIXME("Global variables are not implemented yet.\n");
break;
case MODULE_CODE_VERSION:
dxil_record_validate_operand_count(record, 1, 1, sm6);
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;
}
}
return VKD3D_OK;
}
static void sm6_type_table_cleanup(struct sm6_type *types, size_t count)
{
size_t i;
@ -1411,6 +1461,12 @@ static enum vkd3d_result sm6_parser_init(struct sm6_parser *sm6, const uint32_t
return ret;
}
if ((ret = sm6_parser_globals_init(sm6)) < 0)
{
WARN("Failed to load global declarations.\n");
return ret;
}
dxil_block_destroy(&sm6->root_block);
return VKD3D_OK;

1
libs/vkd3d-shader/vkd3d_shader_private.h
View File

@ -158,6 +158,7 @@ enum vkd3d_shader_error
VKD3D_SHADER_ERROR_DXIL_INVALID_OPERAND_COUNT = 8005,
VKD3D_SHADER_ERROR_DXIL_INVALID_TYPE_TABLE = 8006,
VKD3D_SHADER_ERROR_DXIL_INVALID_VALUE_SYMTAB = 8007,
VKD3D_SHADER_ERROR_DXIL_UNSUPPORTED_BITCODE_FORMAT = 8008,
VKD3D_SHADER_WARNING_DXIL_UNKNOWN_MAGIC_NUMBER = 8300,
VKD3D_SHADER_WARNING_DXIL_UNKNOWN_SHADER_TYPE = 8301,