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For Vulkan, disallow structures containing opaque types (#2546)

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This commit is contained in:
Jeff Bolz 2019-07-16 15:16:19 -05:00 committed by Steven Perron
parent 230c9e4371
commit 58e2ec25ba
2 changed files with 57 additions and 0 deletions
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37
source/val/validate_type.cpp
View File

@ -190,6 +190,35 @@ spv_result_t ValidateTypeRuntimeArray(ValidationState_t& _,
return SPV_SUCCESS;
}
bool ContainsOpaqueType(ValidationState_t& _, const Instruction* str) {
const size_t elem_type_index = 1;
uint32_t elem_type_id;
Instruction* elem_type;
if (spvOpcodeIsBaseOpaqueType(str->opcode())) {
return true;
}
switch (str->opcode()) {
case SpvOpTypeArray:
case SpvOpTypeRuntimeArray:
elem_type_id = str->GetOperandAs<uint32_t>(elem_type_index);
elem_type = _.FindDef(elem_type_id);
return ContainsOpaqueType(_, elem_type);
case SpvOpTypeStruct:
for (size_t member_type_index = 1;
member_type_index < str->operands().size(); ++member_type_index) {
auto member_type_id = str->GetOperandAs<uint32_t>(member_type_index);
auto member_type = _.FindDef(member_type_id);
if (ContainsOpaqueType(_, member_type)) return true;
}
break;
default:
break;
}
return false;
}
spv_result_t ValidateTypeStruct(ValidationState_t& _, const Instruction* inst) {
const uint32_t struct_id = inst->GetOperandAs<uint32_t>(0);
for (size_t member_type_index = 1;
@ -289,6 +318,14 @@ spv_result_t ValidateTypeStruct(ValidationState_t& _, const Instruction* inst) {
if (num_builtin_members > 0) {
_.RegisterStructTypeWithBuiltInMember(struct_id);
}
if (spvIsVulkanEnv(_.context()->target_env) &&
!_.options()->before_hlsl_legalization && ContainsOpaqueType(_, inst)) {
return _.diag(SPV_ERROR_INVALID_ID, inst)
<< "In " << spvLogStringForEnv(_.context()->target_env)
<< ", OpTypeStruct must not contain an opaque type.";
}
return SPV_SUCCESS;
}

20
test/val/val_id_test.cpp
View File

@ -937,6 +937,26 @@ TEST_F(ValidateIdWithMessage, OpTypeStructMemberTypeBad) {
"a type."));
}
TEST_F(ValidateIdWithMessage, OpTypeStructOpaqueTypeBad) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Vertex %main "main"
%1 = OpTypeSampler
%2 = OpTypeStruct %1
%void = OpTypeVoid
%3 = OpTypeFunction %void
%main = OpFunction %void None %3
%5 = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv.c_str(), SPV_ENV_VULKAN_1_0);
EXPECT_EQ(SPV_ERROR_INVALID_ID, ValidateInstructions(SPV_ENV_VULKAN_1_0));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("OpTypeStruct must not contain an opaque type"));
}
TEST_F(ValidateIdWithMessage, OpTypePointerGood) {
std::string spirv = kGLSL450MemoryModel + R"(
%1 = OpTypeInt 32 0