SPIRV-Tools/test/opt/feature_manager_test.cpp

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// Copyright (c) 2017 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.
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <algorithm>
#include "opt/build_module.h"
#include "opt/ir_context.h"
using namespace spvtools;
using FeatureManagerTest = ::testing::Test;
TEST_F(FeatureManagerTest, MissingExtension) {
const std::string text = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
)";
std::unique_ptr<ir::IRContext> context =
BuildModule(SPV_ENV_UNIVERSAL_1_2, nullptr, text);
ASSERT_NE(context, nullptr);
EXPECT_FALSE(context->get_feature_mgr()->HasExtension(
libspirv::Extension::kSPV_KHR_variable_pointers));
}
TEST_F(FeatureManagerTest, OneExtension) {
const std::string text = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpExtension "SPV_KHR_variable_pointers"
)";
std::unique_ptr<ir::IRContext> context =
BuildModule(SPV_ENV_UNIVERSAL_1_2, nullptr, text);
ASSERT_NE(context, nullptr);
EXPECT_TRUE(context->get_feature_mgr()->HasExtension(
libspirv::Extension::kSPV_KHR_variable_pointers));
}
TEST_F(FeatureManagerTest, NotADifferentExtension) {
const std::string text = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpExtension "SPV_KHR_variable_pointers"
)";
std::unique_ptr<ir::IRContext> context =
BuildModule(SPV_ENV_UNIVERSAL_1_2, nullptr, text);
ASSERT_NE(context, nullptr);
EXPECT_FALSE(context->get_feature_mgr()->HasExtension(
libspirv::Extension::kSPV_KHR_storage_buffer_storage_class));
}
TEST_F(FeatureManagerTest, TwoExtensions) {
const std::string text = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
OpExtension "SPV_KHR_variable_pointers"
OpExtension "SPV_KHR_storage_buffer_storage_class"
)";
std::unique_ptr<ir::IRContext> context =
BuildModule(SPV_ENV_UNIVERSAL_1_2, nullptr, text);
ASSERT_NE(context, nullptr);
EXPECT_TRUE(context->get_feature_mgr()->HasExtension(
libspirv::Extension::kSPV_KHR_variable_pointers));
EXPECT_TRUE(context->get_feature_mgr()->HasExtension(
libspirv::Extension::kSPV_KHR_storage_buffer_storage_class));
}
// Test capability checks.
TEST_F(FeatureManagerTest, ExplicitlyPresent1) {
const std::string text = R"(
OpCapability Shader
OpMemoryModel Logical GLSL450
)";
std::unique_ptr<ir::IRContext> context =
BuildModule(SPV_ENV_UNIVERSAL_1_2, nullptr, text);
ASSERT_NE(context, nullptr);
EXPECT_TRUE(context->get_feature_mgr()->HasCapability(SpvCapabilityShader));
EXPECT_FALSE(context->get_feature_mgr()->HasCapability(SpvCapabilityKernel));
}
TEST_F(FeatureManagerTest, ExplicitlyPresent2) {
const std::string text = R"(
OpCapability Kernel
OpMemoryModel Logical GLSL450
)";
std::unique_ptr<ir::IRContext> context =
BuildModule(SPV_ENV_UNIVERSAL_1_2, nullptr, text);
ASSERT_NE(context, nullptr);
EXPECT_FALSE(context->get_feature_mgr()->HasCapability(SpvCapabilityShader));
EXPECT_TRUE(context->get_feature_mgr()->HasCapability(SpvCapabilityKernel));
}
TEST_F(FeatureManagerTest, ImplicitlyPresent) {
const std::string text = R"(
OpCapability Tessellation
OpMemoryModel Logical GLSL450
)";
std::unique_ptr<ir::IRContext> context =
BuildModule(SPV_ENV_UNIVERSAL_1_2, nullptr, text);
ASSERT_NE(context, nullptr);
// Check multiple levels of indirection. Tessellation implies Shader, which
// implies Matrix.
EXPECT_TRUE(
context->get_feature_mgr()->HasCapability(SpvCapabilityTessellation));
EXPECT_TRUE(context->get_feature_mgr()->HasCapability(SpvCapabilityShader));
EXPECT_TRUE(context->get_feature_mgr()->HasCapability(SpvCapabilityMatrix));
EXPECT_FALSE(context->get_feature_mgr()->HasCapability(SpvCapabilityKernel));
}