| // Copyright (c) 2019 Google LLC |
| // |
| // 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 <limits> |
| |
| #include "source/fuzz/fact_manager/fact_manager.h" |
| #include "source/fuzz/uniform_buffer_element_descriptor.h" |
| #include "test/fuzz/fuzz_test_util.h" |
| |
| namespace spvtools { |
| namespace fuzz { |
| namespace { |
| |
| using opt::analysis::BoolConstant; |
| using opt::analysis::FloatConstant; |
| using opt::analysis::IntConstant; |
| using opt::analysis::ScalarConstant; |
| |
| using opt::analysis::Bool; |
| using opt::analysis::Float; |
| using opt::analysis::Integer; |
| using opt::analysis::Type; |
| |
| bool AddFactHelper( |
| FactManager* fact_manager, const std::vector<uint32_t>& words, |
| const protobufs::UniformBufferElementDescriptor& descriptor) { |
| protobufs::FactConstantUniform constant_uniform_fact; |
| for (auto word : words) { |
| constant_uniform_fact.add_constant_word(word); |
| } |
| *constant_uniform_fact.mutable_uniform_buffer_element_descriptor() = |
| descriptor; |
| protobufs::Fact fact; |
| *fact.mutable_constant_uniform_fact() = constant_uniform_fact; |
| return fact_manager->MaybeAddFact(fact); |
| } |
| |
| TEST(ConstantUniformFactsTest, ConstantsAvailableViaUniforms) { |
| std::string shader = R"( |
| OpCapability Shader |
| OpCapability Int64 |
| OpCapability Float64 |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %4 "main" |
| OpExecutionMode %4 OriginUpperLeft |
| OpSource GLSL 450 |
| OpName %4 "main" |
| OpDecorate %100 DescriptorSet 0 |
| OpDecorate %100 Binding 0 |
| OpDecorate %200 DescriptorSet 0 |
| OpDecorate %200 Binding 1 |
| OpDecorate %300 DescriptorSet 0 |
| OpDecorate %300 Binding 2 |
| OpDecorate %400 DescriptorSet 0 |
| OpDecorate %400 Binding 3 |
| OpDecorate %500 DescriptorSet 0 |
| OpDecorate %500 Binding 4 |
| OpDecorate %600 DescriptorSet 0 |
| OpDecorate %600 Binding 5 |
| OpDecorate %700 DescriptorSet 0 |
| OpDecorate %700 Binding 6 |
| OpDecorate %800 DescriptorSet 1 |
| OpDecorate %800 Binding 0 |
| OpDecorate %900 DescriptorSet 1 |
| OpDecorate %900 Binding 1 |
| OpDecorate %1000 DescriptorSet 1 |
| OpDecorate %1000 Binding 2 |
| OpDecorate %1100 DescriptorSet 1 |
| OpDecorate %1100 Binding 3 |
| OpDecorate %1200 DescriptorSet 1 |
| OpDecorate %1200 Binding 4 |
| OpDecorate %1300 DescriptorSet 1 |
| OpDecorate %1300 Binding 5 |
| OpDecorate %1400 DescriptorSet 1 |
| OpDecorate %1400 Binding 6 |
| OpDecorate %1500 DescriptorSet 2 |
| OpDecorate %1500 Binding 0 |
| OpDecorate %1600 DescriptorSet 2 |
| OpDecorate %1600 Binding 1 |
| OpDecorate %1700 DescriptorSet 2 |
| OpDecorate %1700 Binding 2 |
| OpDecorate %1800 DescriptorSet 2 |
| OpDecorate %1800 Binding 3 |
| OpDecorate %1900 DescriptorSet 2 |
| OpDecorate %1900 Binding 4 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %10 = OpTypeInt 32 0 |
| %11 = OpTypeInt 32 1 |
| %12 = OpTypeInt 64 0 |
| %13 = OpTypeInt 64 1 |
| %15 = OpTypeFloat 32 |
| %16 = OpTypeFloat 64 |
| %17 = OpConstant %11 5 |
| %18 = OpConstant %11 20 |
| %19 = OpTypeVector %10 4 |
| %20 = OpConstant %11 6 |
| %21 = OpTypeVector %12 4 |
| %22 = OpConstant %11 10 |
| %23 = OpTypeVector %11 4 |
| |
| %102 = OpTypeStruct %10 %10 %23 |
| %101 = OpTypePointer Uniform %102 |
| %100 = OpVariable %101 Uniform |
| |
| %203 = OpTypeArray %23 %17 |
| %202 = OpTypeArray %203 %18 |
| %201 = OpTypePointer Uniform %202 |
| %200 = OpVariable %201 Uniform |
| |
| %305 = OpTypeStruct %16 %16 %16 %11 %16 |
| %304 = OpTypeStruct %16 %16 %305 |
| %303 = OpTypeStruct %304 |
| %302 = OpTypeStruct %10 %303 |
| %301 = OpTypePointer Uniform %302 |
| %300 = OpVariable %301 Uniform |
| |
| %400 = OpVariable %101 Uniform |
| |
| %500 = OpVariable %201 Uniform |
| |
| %604 = OpTypeArray %13 %20 |
| %603 = OpTypeArray %604 %20 |
| %602 = OpTypeArray %603 %20 |
| %601 = OpTypePointer Uniform %602 |
| %600 = OpVariable %601 Uniform |
| |
| %703 = OpTypeArray %13 %20 |
| %702 = OpTypeArray %703 %20 |
| %701 = OpTypePointer Uniform %702 |
| %700 = OpVariable %701 Uniform |
| |
| %802 = OpTypeStruct %702 %602 %19 %202 %302 |
| %801 = OpTypePointer Uniform %802 |
| %800 = OpVariable %801 Uniform |
| |
| %902 = OpTypeStruct %702 %802 %19 %202 %302 |
| %901 = OpTypePointer Uniform %902 |
| %900 = OpVariable %901 Uniform |
| |
| %1003 = OpTypeStruct %802 |
| %1002 = OpTypeArray %1003 %20 |
| %1001 = OpTypePointer Uniform %1002 |
| %1000 = OpVariable %1001 Uniform |
| |
| %1101 = OpTypePointer Uniform %21 |
| %1100 = OpVariable %1101 Uniform |
| |
| %1202 = OpTypeArray %21 %20 |
| %1201 = OpTypePointer Uniform %1202 |
| %1200 = OpVariable %1201 Uniform |
| |
| %1302 = OpTypeArray %21 %20 |
| %1301 = OpTypePointer Uniform %1302 |
| %1300 = OpVariable %1301 Uniform |
| |
| %1402 = OpTypeArray %15 %22 |
| %1401 = OpTypePointer Uniform %1402 |
| %1400 = OpVariable %1401 Uniform |
| |
| %1501 = OpTypePointer Uniform %1402 |
| %1500 = OpVariable %1501 Uniform |
| |
| %1602 = OpTypeArray %1402 %22 |
| %1601 = OpTypePointer Uniform %1602 |
| %1600 = OpVariable %1601 Uniform |
| |
| %1704 = OpTypeStruct %16 %16 %16 |
| %1703 = OpTypeArray %1704 %22 |
| %1702 = OpTypeArray %1703 %22 |
| %1701 = OpTypePointer Uniform %1702 |
| %1700 = OpVariable %1701 Uniform |
| |
| %1800 = OpVariable %1701 Uniform |
| |
| %1906 = OpTypeStruct %16 |
| %1905 = OpTypeStruct %1906 |
| %1904 = OpTypeStruct %1905 |
| %1903 = OpTypeStruct %1904 |
| %1902 = OpTypeStruct %1903 |
| %1901 = OpTypePointer Uniform %1902 |
| %1900 = OpVariable %1901 Uniform |
| |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| const auto consumer = nullptr; |
| const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption); |
| ASSERT_TRUE(IsValid(env, context.get())); |
| |
| uint32_t buffer_int32_min[1]; |
| uint32_t buffer_int64_1[2]; |
| uint32_t buffer_int64_max[2]; |
| uint32_t buffer_uint64_1[2]; |
| uint32_t buffer_uint64_max[2]; |
| uint32_t buffer_float_10[1]; |
| uint32_t buffer_double_10[2]; |
| uint32_t buffer_double_20[2]; |
| |
| { |
| int32_t temp = std::numeric_limits<int32_t>::min(); |
| std::memcpy(&buffer_int32_min, &temp, sizeof(temp)); |
| } |
| |
| { |
| int64_t temp = 1; |
| std::memcpy(&buffer_int64_1, &temp, sizeof(temp)); |
| } |
| |
| { |
| int64_t temp = std::numeric_limits<int64_t>::max(); |
| std::memcpy(&buffer_int64_max, &temp, sizeof(temp)); |
| } |
| |
| { |
| uint64_t temp = 1; |
| std::memcpy(&buffer_uint64_1, &temp, sizeof(temp)); |
| } |
| |
| { |
| uint64_t temp = std::numeric_limits<uint64_t>::max(); |
| std::memcpy(&buffer_uint64_max, &temp, sizeof(temp)); |
| } |
| |
| { |
| float temp = 10.0f; |
| std::memcpy(&buffer_float_10, &temp, sizeof(float)); |
| } |
| |
| { |
| double temp = 10.0; |
| std::memcpy(&buffer_double_10, &temp, sizeof(temp)); |
| } |
| |
| { |
| double temp = 20.0; |
| std::memcpy(&buffer_double_20, &temp, sizeof(temp)); |
| } |
| |
| FactManager fact_manager(context.get()); |
| |
| uint32_t type_int32_id = 11; |
| uint32_t type_int64_id = 13; |
| uint32_t type_uint32_id = 10; |
| uint32_t type_uint64_id = 12; |
| uint32_t type_float_id = 15; |
| uint32_t type_double_id = 16; |
| |
| // Initially there should be no facts about uniforms. |
| ASSERT_TRUE( |
| fact_manager.GetConstantsAvailableFromUniformsForType(type_uint32_id) |
| .empty()); |
| |
| // In the comments that follow we write v[...][...] to refer to uniform |
| // variable v indexed with some given indices, when in practice v is |
| // identified via a (descriptor set, binding) pair. |
| |
| // 100[2][3] == int(1) |
| ASSERT_TRUE(AddFactHelper(&fact_manager, {1}, |
| MakeUniformBufferElementDescriptor(0, 0, {2, 3}))); |
| |
| // 200[1][2][3] == int(1) |
| ASSERT_TRUE(AddFactHelper( |
| &fact_manager, {1}, MakeUniformBufferElementDescriptor(0, 1, {1, 2, 3}))); |
| |
| // 300[1][0][2][3] == int(1) |
| ASSERT_TRUE( |
| AddFactHelper(&fact_manager, {1}, |
| MakeUniformBufferElementDescriptor(0, 2, {1, 0, 2, 3}))); |
| |
| // 400[2][3] = int32_min |
| ASSERT_TRUE(AddFactHelper(&fact_manager, {buffer_int32_min[0]}, |
| MakeUniformBufferElementDescriptor(0, 3, {2, 3}))); |
| |
| // 500[1][2][3] = int32_min |
| ASSERT_TRUE( |
| AddFactHelper(&fact_manager, {buffer_int32_min[0]}, |
| MakeUniformBufferElementDescriptor(0, 4, {1, 2, 3}))); |
| |
| // 600[1][2][3] = int64_max |
| ASSERT_TRUE( |
| AddFactHelper(&fact_manager, {buffer_int64_max[0], buffer_int64_max[1]}, |
| MakeUniformBufferElementDescriptor(0, 5, {1, 2, 3}))); |
| |
| // 700[1][1] = int64_max |
| ASSERT_TRUE(AddFactHelper(&fact_manager, |
| {buffer_int64_max[0], buffer_int64_max[1]}, |
| MakeUniformBufferElementDescriptor(0, 6, {1, 1}))); |
| |
| // 800[2][3] = uint(1) |
| ASSERT_TRUE(AddFactHelper(&fact_manager, {1}, |
| MakeUniformBufferElementDescriptor(1, 0, {2, 3}))); |
| |
| // 900[1][2][3] = uint(1) |
| ASSERT_TRUE(AddFactHelper( |
| &fact_manager, {1}, MakeUniformBufferElementDescriptor(1, 1, {1, 2, 3}))); |
| |
| // 1000[1][0][2][3] = uint(1) |
| ASSERT_TRUE( |
| AddFactHelper(&fact_manager, {1}, |
| MakeUniformBufferElementDescriptor(1, 2, {1, 0, 2, 3}))); |
| |
| // 1100[0] = uint64(1) |
| ASSERT_TRUE(AddFactHelper(&fact_manager, |
| {buffer_uint64_1[0], buffer_uint64_1[1]}, |
| MakeUniformBufferElementDescriptor(1, 3, {0}))); |
| |
| // 1200[0][0] = uint64_max |
| ASSERT_TRUE(AddFactHelper(&fact_manager, |
| {buffer_uint64_max[0], buffer_uint64_max[1]}, |
| MakeUniformBufferElementDescriptor(1, 4, {0, 0}))); |
| |
| // 1300[1][0] = uint64_max |
| ASSERT_TRUE(AddFactHelper(&fact_manager, |
| {buffer_uint64_max[0], buffer_uint64_max[1]}, |
| MakeUniformBufferElementDescriptor(1, 5, {1, 0}))); |
| |
| // 1400[6] = float(10.0) |
| ASSERT_TRUE(AddFactHelper(&fact_manager, {buffer_float_10[0]}, |
| MakeUniformBufferElementDescriptor(1, 6, {6}))); |
| |
| // 1500[7] = float(10.0) |
| ASSERT_TRUE(AddFactHelper(&fact_manager, {buffer_float_10[0]}, |
| MakeUniformBufferElementDescriptor(2, 0, {7}))); |
| |
| // 1600[9][9] = float(10.0) |
| ASSERT_TRUE(AddFactHelper(&fact_manager, {buffer_float_10[0]}, |
| MakeUniformBufferElementDescriptor(2, 1, {9, 9}))); |
| |
| // 1700[9][9][1] = double(10.0) |
| ASSERT_TRUE( |
| AddFactHelper(&fact_manager, {buffer_double_10[0], buffer_double_10[1]}, |
| MakeUniformBufferElementDescriptor(2, 2, {9, 9, 1}))); |
| |
| // 1800[9][9][2] = double(10.0) |
| ASSERT_TRUE( |
| AddFactHelper(&fact_manager, {buffer_double_10[0], buffer_double_10[1]}, |
| MakeUniformBufferElementDescriptor(2, 3, {9, 9, 2}))); |
| |
| // 1900[0][0][0][0][0] = double(20.0) |
| ASSERT_TRUE( |
| AddFactHelper(&fact_manager, {buffer_double_20[0], buffer_double_20[1]}, |
| MakeUniformBufferElementDescriptor(2, 4, {0, 0, 0, 0, 0}))); |
| |
| opt::Instruction::OperandList operands = { |
| {SPV_OPERAND_TYPE_LITERAL_INTEGER, {1}}}; |
| context->module()->AddGlobalValue(MakeUnique<opt::Instruction>( |
| context.get(), SpvOpConstant, type_int32_id, 50, operands)); |
| operands = {{SPV_OPERAND_TYPE_LITERAL_INTEGER, {buffer_int32_min[0]}}}; |
| context->module()->AddGlobalValue(MakeUnique<opt::Instruction>( |
| context.get(), SpvOpConstant, type_int32_id, 51, operands)); |
| operands = {{SPV_OPERAND_TYPE_LITERAL_INTEGER, {buffer_int64_max[0]}}, |
| {SPV_OPERAND_TYPE_LITERAL_INTEGER, {buffer_int64_max[1]}}}; |
| context->module()->AddGlobalValue(MakeUnique<opt::Instruction>( |
| context.get(), SpvOpConstant, type_int64_id, 52, operands)); |
| operands = {{SPV_OPERAND_TYPE_LITERAL_INTEGER, {1}}}; |
| context->module()->AddGlobalValue(MakeUnique<opt::Instruction>( |
| context.get(), SpvOpConstant, type_uint32_id, 53, operands)); |
| operands = {{SPV_OPERAND_TYPE_LITERAL_INTEGER, {buffer_uint64_1[0]}}, |
| {SPV_OPERAND_TYPE_LITERAL_INTEGER, {buffer_uint64_1[1]}}}; |
| context->module()->AddGlobalValue(MakeUnique<opt::Instruction>( |
| context.get(), SpvOpConstant, type_uint64_id, 54, operands)); |
| operands = {{SPV_OPERAND_TYPE_LITERAL_INTEGER, {buffer_uint64_max[0]}}, |
| {SPV_OPERAND_TYPE_LITERAL_INTEGER, {buffer_uint64_max[1]}}}; |
| context->module()->AddGlobalValue(MakeUnique<opt::Instruction>( |
| context.get(), SpvOpConstant, type_uint64_id, 55, operands)); |
| operands = {{SPV_OPERAND_TYPE_LITERAL_INTEGER, {buffer_float_10[0]}}}; |
| context->module()->AddGlobalValue(MakeUnique<opt::Instruction>( |
| context.get(), SpvOpConstant, type_float_id, 56, operands)); |
| operands = {{SPV_OPERAND_TYPE_LITERAL_INTEGER, {buffer_double_10[0]}}, |
| {SPV_OPERAND_TYPE_LITERAL_INTEGER, {buffer_double_10[1]}}}; |
| context->module()->AddGlobalValue(MakeUnique<opt::Instruction>( |
| context.get(), SpvOpConstant, type_double_id, 57, operands)); |
| operands = {{SPV_OPERAND_TYPE_LITERAL_INTEGER, {buffer_double_20[0]}}, |
| {SPV_OPERAND_TYPE_LITERAL_INTEGER, {buffer_double_20[1]}}}; |
| context->module()->AddGlobalValue(MakeUnique<opt::Instruction>( |
| context.get(), SpvOpConstant, type_double_id, 58, operands)); |
| |
| // A duplicate of the constant with id 59. |
| operands = {{SPV_OPERAND_TYPE_LITERAL_INTEGER, {1}}}; |
| context->module()->AddGlobalValue(MakeUnique<opt::Instruction>( |
| context.get(), SpvOpConstant, type_int32_id, 59, operands)); |
| |
| context->InvalidateAnalysesExceptFor(opt::IRContext::Analysis::kAnalysisNone); |
| |
| // Constants 1 and int32_min are available. |
| ASSERT_EQ(2, |
| fact_manager.GetConstantsAvailableFromUniformsForType(type_int32_id) |
| .size()); |
| // Constant int64_max is available. |
| ASSERT_EQ(1, |
| fact_manager.GetConstantsAvailableFromUniformsForType(type_int64_id) |
| .size()); |
| // Constant 1u is available. |
| ASSERT_EQ( |
| 1, fact_manager.GetConstantsAvailableFromUniformsForType(type_uint32_id) |
| .size()); |
| // Constants 1u and uint64_max are available. |
| ASSERT_EQ( |
| 2, fact_manager.GetConstantsAvailableFromUniformsForType(type_uint64_id) |
| .size()); |
| // Constant 10.0 is available. |
| ASSERT_EQ(1, |
| fact_manager.GetConstantsAvailableFromUniformsForType(type_float_id) |
| .size()); |
| // Constants 10.0 and 20.0 are available. |
| ASSERT_EQ( |
| 2, fact_manager.GetConstantsAvailableFromUniformsForType(type_double_id) |
| .size()); |
| |
| ASSERT_EQ(std::numeric_limits<int64_t>::max(), |
| context->get_constant_mgr() |
| ->FindDeclaredConstant( |
| fact_manager.GetConstantsAvailableFromUniformsForType( |
| type_int64_id)[0]) |
| ->AsIntConstant() |
| ->GetS64()); |
| ASSERT_EQ(1, context->get_constant_mgr() |
| ->FindDeclaredConstant( |
| fact_manager.GetConstantsAvailableFromUniformsForType( |
| type_uint32_id)[0]) |
| ->AsIntConstant() |
| ->GetU32()); |
| ASSERT_EQ(10.0f, |
| context->get_constant_mgr() |
| ->FindDeclaredConstant( |
| fact_manager.GetConstantsAvailableFromUniformsForType( |
| type_float_id)[0]) |
| ->AsFloatConstant() |
| ->GetFloat()); |
| const std::vector<uint32_t>& double_constant_ids = |
| fact_manager.GetConstantsAvailableFromUniformsForType(type_double_id); |
| ASSERT_EQ(10.0, context->get_constant_mgr() |
| ->FindDeclaredConstant(double_constant_ids[0]) |
| ->AsFloatConstant() |
| ->GetDouble()); |
| ASSERT_EQ(20.0, context->get_constant_mgr() |
| ->FindDeclaredConstant(double_constant_ids[1]) |
| ->AsFloatConstant() |
| ->GetDouble()); |
| |
| const std::vector<protobufs::UniformBufferElementDescriptor> |
| descriptors_for_double_10 = |
| fact_manager.GetUniformDescriptorsForConstant(double_constant_ids[0]); |
| ASSERT_EQ(2, descriptors_for_double_10.size()); |
| { |
| auto temp = MakeUniformBufferElementDescriptor(2, 2, {9, 9, 1}); |
| ASSERT_TRUE(UniformBufferElementDescriptorEquals()( |
| &temp, &descriptors_for_double_10[0])); |
| } |
| { |
| auto temp = MakeUniformBufferElementDescriptor(2, 3, {9, 9, 2}); |
| ASSERT_TRUE(UniformBufferElementDescriptorEquals()( |
| &temp, &descriptors_for_double_10[1])); |
| } |
| const std::vector<protobufs::UniformBufferElementDescriptor> |
| descriptors_for_double_20 = |
| fact_manager.GetUniformDescriptorsForConstant(double_constant_ids[1]); |
| ASSERT_EQ(1, descriptors_for_double_20.size()); |
| { |
| auto temp = MakeUniformBufferElementDescriptor(2, 4, {0, 0, 0, 0, 0}); |
| ASSERT_TRUE(UniformBufferElementDescriptorEquals()( |
| &temp, &descriptors_for_double_20[0])); |
| } |
| |
| auto constant_1_id = fact_manager.GetConstantFromUniformDescriptor( |
| MakeUniformBufferElementDescriptor(2, 3, {9, 9, 2})); |
| ASSERT_TRUE(constant_1_id); |
| |
| auto constant_2_id = fact_manager.GetConstantFromUniformDescriptor( |
| MakeUniformBufferElementDescriptor(2, 4, {0, 0, 0, 0, 0})); |
| ASSERT_TRUE(constant_2_id); |
| |
| ASSERT_EQ(double_constant_ids[0], constant_1_id); |
| |
| ASSERT_EQ(double_constant_ids[1], constant_2_id); |
| } |
| |
| TEST(ConstantUniformFactsTest, TwoConstantsWithSameValue) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %4 "main" |
| OpExecutionMode %4 OriginUpperLeft |
| OpSource ESSL 310 |
| OpName %4 "main" |
| OpName %8 "x" |
| OpName %10 "buf" |
| OpMemberName %10 0 "a" |
| OpName %12 "" |
| OpDecorate %8 RelaxedPrecision |
| OpMemberDecorate %10 0 RelaxedPrecision |
| OpMemberDecorate %10 0 Offset 0 |
| OpDecorate %10 Block |
| OpDecorate %12 DescriptorSet 0 |
| OpDecorate %12 Binding 0 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %7 = OpTypePointer Function %6 |
| %9 = OpConstant %6 1 |
| %20 = OpConstant %6 1 |
| %10 = OpTypeStruct %6 |
| %11 = OpTypePointer Uniform %10 |
| %12 = OpVariable %11 Uniform |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| %8 = OpVariable %7 Function |
| OpStore %8 %9 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| const auto consumer = nullptr; |
| const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption); |
| ASSERT_TRUE(IsValid(env, context.get())); |
| |
| FactManager fact_manager(context.get()); |
| |
| auto uniform_buffer_element_descriptor = |
| MakeUniformBufferElementDescriptor(0, 0, {0}); |
| |
| // (0, 0, [0]) = int(1) |
| ASSERT_TRUE( |
| AddFactHelper(&fact_manager, {1}, uniform_buffer_element_descriptor)); |
| auto constants = fact_manager.GetConstantsAvailableFromUniformsForType(6); |
| ASSERT_EQ(1, constants.size()); |
| ASSERT_TRUE(constants[0] == 9 || constants[0] == 20); |
| |
| auto constant = fact_manager.GetConstantFromUniformDescriptor( |
| uniform_buffer_element_descriptor); |
| ASSERT_TRUE(constant == 9 || constant == 20); |
| |
| // Because the constants with ids 9 and 20 are equal, we should get the same |
| // single uniform buffer element descriptor when we look up the descriptors |
| // for either one of them. |
| for (auto constant_id : {9u, 20u}) { |
| auto descriptors = |
| fact_manager.GetUniformDescriptorsForConstant(constant_id); |
| ASSERT_EQ(1, descriptors.size()); |
| ASSERT_TRUE(UniformBufferElementDescriptorEquals()( |
| &uniform_buffer_element_descriptor, &descriptors[0])); |
| } |
| } |
| |
| TEST(ConstantUniformFactsTest, NonFiniteFactsAreNotValid) { |
| std::string shader = R"( |
| OpCapability Shader |
| OpCapability Float64 |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %4 "main" |
| OpExecutionMode %4 OriginUpperLeft |
| OpSource ESSL 310 |
| OpName %4 "main" |
| OpName %7 "buf" |
| OpMemberName %7 0 "f" |
| OpMemberName %7 1 "d" |
| OpName %9 "" |
| OpMemberDecorate %7 0 Offset 0 |
| OpMemberDecorate %7 1 Offset 8 |
| OpDecorate %7 Block |
| OpDecorate %9 DescriptorSet 0 |
| OpDecorate %9 Binding 0 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeFloat 32 |
| %10 = OpTypeFloat 64 |
| %7 = OpTypeStruct %6 %10 |
| %8 = OpTypePointer Uniform %7 |
| %9 = OpVariable %8 Uniform |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| const auto consumer = nullptr; |
| const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption); |
| ASSERT_TRUE(IsValid(env, context.get())); |
| |
| FactManager fact_manager(context.get()); |
| auto uniform_buffer_element_descriptor_f = |
| MakeUniformBufferElementDescriptor(0, 0, {0}); |
| |
| auto uniform_buffer_element_descriptor_d = |
| MakeUniformBufferElementDescriptor(0, 0, {1}); |
| |
| if (std::numeric_limits<float>::has_infinity) { |
| // f == +inf |
| float positive_infinity_float = std::numeric_limits<float>::infinity(); |
| uint32_t words[1]; |
| memcpy(words, &positive_infinity_float, sizeof(float)); |
| ASSERT_FALSE(AddFactHelper(&fact_manager, {words[0]}, |
| uniform_buffer_element_descriptor_f)); |
| // f == -inf |
| float negative_infinity_float = std::numeric_limits<float>::infinity(); |
| memcpy(words, &negative_infinity_float, sizeof(float)); |
| ASSERT_FALSE(AddFactHelper(&fact_manager, {words[0]}, |
| uniform_buffer_element_descriptor_f)); |
| } |
| |
| if (std::numeric_limits<float>::has_quiet_NaN) { |
| // f == NaN |
| float quiet_nan_float = std::numeric_limits<float>::quiet_NaN(); |
| uint32_t words[1]; |
| memcpy(words, &quiet_nan_float, sizeof(float)); |
| ASSERT_FALSE(AddFactHelper(&fact_manager, {words[0]}, |
| uniform_buffer_element_descriptor_f)); |
| } |
| |
| if (std::numeric_limits<double>::has_infinity) { |
| // d == +inf |
| double positive_infinity_double = std::numeric_limits<double>::infinity(); |
| uint32_t words[2]; |
| memcpy(words, &positive_infinity_double, sizeof(double)); |
| ASSERT_FALSE(AddFactHelper(&fact_manager, {words[0], words[1]}, |
| uniform_buffer_element_descriptor_d)); |
| // d == -inf |
| double negative_infinity_double = -std::numeric_limits<double>::infinity(); |
| memcpy(words, &negative_infinity_double, sizeof(double)); |
| ASSERT_FALSE(AddFactHelper(&fact_manager, {words[0], words[1]}, |
| uniform_buffer_element_descriptor_d)); |
| } |
| |
| if (std::numeric_limits<double>::has_quiet_NaN) { |
| // d == NaN |
| double quiet_nan_double = std::numeric_limits<double>::quiet_NaN(); |
| uint32_t words[2]; |
| memcpy(words, &quiet_nan_double, sizeof(double)); |
| ASSERT_FALSE(AddFactHelper(&fact_manager, {words[0], words[1]}, |
| uniform_buffer_element_descriptor_d)); |
| } |
| } |
| |
| TEST(ConstantUniformFactsTest, AmbiguousFact) { |
| // This test came from the following GLSL: |
| // |
| // #version 310 es |
| // |
| // precision highp float; |
| // |
| // layout(set = 0, binding = 0) uniform buf { |
| // float f; |
| // }; |
| // |
| // layout(set = 0, binding = 0) uniform buf2 { |
| // float g; |
| // }; |
| // |
| // void main() { |
| // |
| // } |
| |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %4 "main" |
| OpExecutionMode %4 OriginUpperLeft |
| OpSource ESSL 310 |
| OpName %4 "main" |
| OpName %7 "buf" |
| OpMemberName %7 0 "f" |
| OpName %9 "" |
| OpName %10 "buf2" |
| OpMemberName %10 0 "g" |
| OpName %12 "" |
| OpMemberDecorate %7 0 Offset 0 |
| OpDecorate %7 Block |
| OpDecorate %9 DescriptorSet 0 |
| OpDecorate %9 Binding 0 |
| OpMemberDecorate %10 0 Offset 0 |
| OpDecorate %10 Block |
| OpDecorate %12 DescriptorSet 0 |
| OpDecorate %12 Binding 0 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeFloat 32 |
| %7 = OpTypeStruct %6 |
| %8 = OpTypePointer Uniform %7 |
| %9 = OpVariable %8 Uniform |
| %10 = OpTypeStruct %6 |
| %11 = OpTypePointer Uniform %10 |
| %12 = OpVariable %11 Uniform |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| const auto consumer = nullptr; |
| const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption); |
| ASSERT_TRUE(IsValid(env, context.get())); |
| |
| FactManager fact_manager(context.get()); |
| auto uniform_buffer_element_descriptor = |
| MakeUniformBufferElementDescriptor(0, 0, {0}); |
| |
| // The fact cannot be added because it is ambiguous: there are two uniforms |
| // with descriptor set 0 and binding 0. |
| ASSERT_FALSE( |
| AddFactHelper(&fact_manager, {1}, uniform_buffer_element_descriptor)); |
| } |
| |
| TEST(ConstantUniformFactsTest, CheckingFactsDoesNotAddConstants) { |
| std::string shader = R"( |
| OpCapability Shader |
| %1 = OpExtInstImport "GLSL.std.450" |
| OpMemoryModel Logical GLSL450 |
| OpEntryPoint Fragment %4 "main" |
| OpExecutionMode %4 OriginUpperLeft |
| OpSource ESSL 320 |
| OpMemberDecorate %9 0 Offset 0 |
| OpDecorate %9 Block |
| OpDecorate %11 DescriptorSet 0 |
| OpDecorate %11 Binding 0 |
| %2 = OpTypeVoid |
| %3 = OpTypeFunction %2 |
| %6 = OpTypeInt 32 1 |
| %7 = OpTypePointer Function %6 |
| %9 = OpTypeStruct %6 |
| %10 = OpTypePointer Uniform %9 |
| %11 = OpVariable %10 Uniform |
| %12 = OpConstant %6 0 |
| %13 = OpTypePointer Uniform %6 |
| %4 = OpFunction %2 None %3 |
| %5 = OpLabel |
| %8 = OpVariable %7 Function |
| %14 = OpAccessChain %13 %11 %12 |
| %15 = OpLoad %6 %14 |
| OpStore %8 %15 |
| OpReturn |
| OpFunctionEnd |
| )"; |
| |
| const auto env = SPV_ENV_UNIVERSAL_1_3; |
| const auto consumer = nullptr; |
| const auto context = BuildModule(env, consumer, shader, kFuzzAssembleOption); |
| ASSERT_TRUE(IsValid(env, context.get())); |
| |
| FactManager fact_manager(context.get()); |
| |
| // 8[0] == int(1) |
| ASSERT_TRUE(AddFactHelper(&fact_manager, {1}, |
| MakeUniformBufferElementDescriptor(0, 0, {0}))); |
| |
| // Although 8[0] has the value 1, we do not have the constant 1 in the module. |
| // We thus should not find any constants available from uniforms for int type. |
| // Furthermore, the act of looking for appropriate constants should not change |
| // which constants are known to the constant manager. |
| auto int_type = context->get_type_mgr()->GetType(6)->AsInteger(); |
| opt::analysis::IntConstant constant_one(int_type, {1}); |
| ASSERT_FALSE(context->get_constant_mgr()->FindConstant(&constant_one)); |
| auto available_constants = |
| fact_manager.GetConstantsAvailableFromUniformsForType(6); |
| ASSERT_EQ(0, available_constants.size()); |
| ASSERT_TRUE(IsEqual(env, shader, context.get())); |
| ASSERT_FALSE(context->get_constant_mgr()->FindConstant(&constant_one)); |
| } |
| |
| } // namespace |
| } // namespace fuzz |
| } // namespace spvtools |
