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// Copyright (c) 2018 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Validation tests for WebGPU env specific checks
#include <string>
#include "gmock/gmock.h"
#include "test/val/val_fixtures.h"
namespace spvtools {
namespace val {
namespace {
using testing::HasSubstr;
using ValidateWebGPU = spvtest::ValidateBase<bool>;
TEST_F(ValidateWebGPU, OpUndefIsDisallowed) {
std::string spirv = R"(
OpCapability Shader
OpCapability VulkanMemoryModelKHR
OpExtension "SPV_KHR_vulkan_memory_model"
OpMemoryModel Logical VulkanKHR
OpEntryPoint Vertex %func "shader"
%float = OpTypeFloat 32
%1 = OpUndef %float
%void = OpTypeVoid
%void_f = OpTypeFunction %void
%func = OpFunction %void None %void_f
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
// Control case: OpUndef is allowed in SPIR-V 1.3
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions(SPV_ENV_UNIVERSAL_1_3));
// Control case: OpUndef is disallowed in the WebGPU env
EXPECT_EQ(SPV_ERROR_INVALID_BINARY, ValidateInstructions(SPV_ENV_WEBGPU_0));
EXPECT_THAT(getDiagnosticString(), HasSubstr("OpUndef is disallowed"));
}
TEST_F(ValidateWebGPU, OpNameIsDisallowed) {
std::string spirv = R"(
OpCapability Shader
OpCapability VulkanMemoryModelKHR
OpExtension "SPV_KHR_vulkan_memory_model"
OpMemoryModel Logical VulkanKHR
OpName %1 "foo"
%1 = OpTypeFloat 32
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_BINARY, ValidateInstructions(SPV_ENV_WEBGPU_0));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Debugging instructions are not allowed in the WebGPU "
"execution environment.\n OpName %foo \"foo\"\n"));
}
TEST_F(ValidateWebGPU, OpMemberNameIsDisallowed) {
std::string spirv = R"(
OpCapability Shader
OpCapability VulkanMemoryModelKHR
OpExtension "SPV_KHR_vulkan_memory_model"
OpMemoryModel Logical VulkanKHR
OpMemberName %2 0 "foo"
%1 = OpTypeFloat 32
%2 = OpTypeStruct %1
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_BINARY, ValidateInstructions(SPV_ENV_WEBGPU_0));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Debugging instructions are not allowed in the WebGPU "
"execution environment.\n OpMemberName %_struct_1 0 "
"\"foo\"\n"));
}
TEST_F(ValidateWebGPU, OpSourceIsDisallowed) {
std::string spirv = R"(
OpCapability Shader
OpCapability VulkanMemoryModelKHR
OpExtension "SPV_KHR_vulkan_memory_model"
OpMemoryModel Logical VulkanKHR
OpSource GLSL 450
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_BINARY, ValidateInstructions(SPV_ENV_WEBGPU_0));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Debugging instructions are not allowed in the WebGPU "
"execution environment.\n OpSource GLSL 450\n"));
}
// OpSourceContinued does not have a test case, because it requires being
// preceded by OpSource, which will cause a validation error.
TEST_F(ValidateWebGPU, OpSourceExtensionIsDisallowed) {
std::string spirv = R"(
OpCapability Shader
OpCapability VulkanMemoryModelKHR
OpExtension "SPV_KHR_vulkan_memory_model"
OpMemoryModel Logical VulkanKHR
OpSourceExtension "bar"
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_BINARY, ValidateInstructions(SPV_ENV_WEBGPU_0));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Debugging instructions are not allowed in the WebGPU "
"execution environment.\n OpSourceExtension "
"\"bar\"\n"));
}
TEST_F(ValidateWebGPU, OpStringIsDisallowed) {
std::string spirv = R"(
OpCapability Shader
OpCapability VulkanMemoryModelKHR
OpExtension "SPV_KHR_vulkan_memory_model"
OpMemoryModel Logical VulkanKHR
%1 = OpString "foo"
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_BINARY, ValidateInstructions(SPV_ENV_WEBGPU_0));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Debugging instructions are not allowed in the WebGPU "
"execution environment.\n %1 = OpString \"foo\"\n"));
}
// OpLine does not have a test case, because it requires being preceded by
// OpString, which will cause a validation error.
TEST_F(ValidateWebGPU, OpNoLineDisallowed) {
std::string spirv = R"(
OpCapability Shader
OpCapability VulkanMemoryModelKHR
OpExtension "SPV_KHR_vulkan_memory_model"
OpMemoryModel Logical VulkanKHR
OpNoLine
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_BINARY, ValidateInstructions(SPV_ENV_WEBGPU_0));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Debugging instructions are not allowed in the WebGPU "
"execution environment.\n OpNoLine\n"));
}
TEST_F(ValidateWebGPU, LogicalAddressingVulkanKHRMemoryGood) {
std::string spirv = R"(
OpCapability Shader
OpCapability VulkanMemoryModelKHR
OpExtension "SPV_KHR_vulkan_memory_model"
OpMemoryModel Logical VulkanKHR
OpEntryPoint Vertex %func "shader"
%void = OpTypeVoid
%void_f = OpTypeFunction %void
%func = OpFunction %void None %void_f
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions(SPV_ENV_WEBGPU_0));
}
TEST_F(ValidateWebGPU, NonLogicalAddressingModelBad) {
std::string spirv = R"(
OpCapability Shader
OpCapability VulkanMemoryModelKHR
OpExtension "SPV_KHR_vulkan_memory_model"
OpMemoryModel Physical32 VulkanKHR
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_DATA, ValidateInstructions(SPV_ENV_WEBGPU_0));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Addressing model must be Logical for WebGPU "
"environment.\n OpMemoryModel Physical32 "
"Vulkan\n"));
}
TEST_F(ValidateWebGPU, NonVulkanKHRMemoryModelBad) {
std::string spirv = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpNoLine
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_DATA, ValidateInstructions(SPV_ENV_WEBGPU_0));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("Memory model must be VulkanKHR for WebGPU "
"environment.\n OpMemoryModel Logical GLSL450\n"));
}
TEST_F(ValidateWebGPU, WhitelistedExtendedInstructionsImportGood) {
std::string spirv = R"(
OpCapability Shader
OpCapability VulkanMemoryModelKHR
OpExtension "SPV_KHR_vulkan_memory_model"
%1 = OpExtInstImport "GLSL.std.450"
OpMemoryModel Logical VulkanKHR
OpEntryPoint Vertex %func "shader"
%void = OpTypeVoid
%void_f = OpTypeFunction %void
%func = OpFunction %void None %void_f
%label = OpLabel
OpReturn
OpFunctionEnd
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions(SPV_ENV_WEBGPU_0));
}
TEST_F(ValidateWebGPU, NonWhitelistedExtendedInstructionsImportBad) {
std::string spirv = R"(
OpCapability Shader
OpCapability VulkanMemoryModelKHR
OpExtension "SPV_KHR_vulkan_memory_model"
%1 = OpExtInstImport "OpenCL.std"
OpMemoryModel Logical VulkanKHR
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_DATA, ValidateInstructions(SPV_ENV_WEBGPU_0));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("For WebGPU, the only valid parameter to "
"OpExtInstImport is \"GLSL.std.450\".\n %1 = "
"OpExtInstImport \"OpenCL.std\"\n"));
}
TEST_F(ValidateWebGPU, NonVulkanKHRMemoryModelExtensionBad) {
std::string spirv = R"(
OpCapability Shader
OpCapability VulkanMemoryModelKHR
OpExtension "SPV_KHR_8bit_storage"
OpExtension "SPV_KHR_vulkan_memory_model"
OpMemoryModel Logical VulkanKHR
)";
CompileSuccessfully(spirv);
EXPECT_EQ(SPV_ERROR_INVALID_DATA, ValidateInstructions(SPV_ENV_WEBGPU_0));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("For WebGPU, the only valid parameter to OpExtension "
"is \"SPV_KHR_vulkan_memory_model\".\n OpExtension "
"\"SPV_KHR_8bit_storage\"\n"));
}
spv_binary GenerateTrivialBinary(bool need_little_endian) {
// Smallest possible valid WebGPU SPIR-V binary in little endian. Contains all
// the required boilerplate and a trivial entry point function.
static const uint8_t binary_bytes[] = {
// clang-format off
0x03, 0x02, 0x23, 0x07, 0x00, 0x03, 0x01, 0x00, 0x00, 0x00, 0x07, 0x00,
0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x00, 0x02, 0x00,
0x01, 0x00, 0x00, 0x00, 0x11, 0x00, 0x02, 0x00, 0xE1, 0x14, 0x00, 0x00,
0x0A, 0x00, 0x08, 0x00, 0x53, 0x50, 0x56, 0x5F, 0x4B, 0x48, 0x52, 0x5F,
0x76, 0x75, 0x6C, 0x6B, 0x61, 0x6E, 0x5F, 0x6D, 0x65, 0x6D, 0x6F, 0x72,
0x79, 0x5F, 0x6D, 0x6F, 0x64, 0x65, 0x6C, 0x00, 0x0E, 0x00, 0x03, 0x00,
0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x0F, 0x00, 0x05, 0x00,
0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x73, 0x68, 0x61, 0x64,
0x65, 0x72, 0x00, 0x00, 0x13, 0x00, 0x02, 0x00, 0x02, 0x00, 0x00, 0x00,
0x21, 0x00, 0x03, 0x00, 0x03, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
0x36, 0x00, 0x05, 0x00, 0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0xF8, 0x00, 0x02, 0x00,
0x04, 0x00, 0x00, 0x00, 0xFD, 0x00, 0x01, 0x00, 0x38, 0x00, 0x01, 0x00
// clang-format on
};
static const size_t word_count = sizeof(binary_bytes) / sizeof(uint32_t);
std::unique_ptr<spv_binary_t> result(new spv_binary_t);
if (!result) return nullptr;
result->wordCount = word_count;
result->code = new uint32_t[word_count];
if (!result->code) return nullptr;
if (need_little_endian) {
memcpy(result->code, binary_bytes, sizeof(binary_bytes));
} else {
uint8_t* code_bytes = reinterpret_cast<uint8_t*>(result->code);
for (size_t word = 0; word < word_count; ++word) {
code_bytes[4 * word] = binary_bytes[4 * word + 3];
code_bytes[4 * word + 1] = binary_bytes[4 * word + 2];
code_bytes[4 * word + 2] = binary_bytes[4 * word + 1];
code_bytes[4 * word + 3] = binary_bytes[4 * word];
}
}
return result.release();
}
TEST_F(ValidateWebGPU, LittleEndianGood) {
DestroyBinary();
binary_ = GenerateTrivialBinary(true);
EXPECT_EQ(SPV_SUCCESS, ValidateInstructions(SPV_ENV_WEBGPU_0));
}
TEST_F(ValidateWebGPU, BigEndianBad) {
DestroyBinary();
binary_ = GenerateTrivialBinary(false);
EXPECT_EQ(SPV_ERROR_INVALID_BINARY, ValidateInstructions(SPV_ENV_WEBGPU_0));
EXPECT_THAT(getDiagnosticString(),
HasSubstr("WebGPU requires SPIR-V to be little endian."));
}
} // namespace
} // namespace val
} // namespace spvtools
|
