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// Copyright (c) 2017 Valve Corporation
// Copyright (c) 2017 LunarG 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 <string>
#include <vector>
#include "gmock/gmock.h"
#include "test/opt/pass_fixture.h"
#include "test/opt/pass_utils.h"
namespace spvtools {
namespace opt {
namespace {
// Returns the initial part of the assembly text for a valid
// SPIR-V module, including instructions prior to decorations.
std::string PreambleAssembly() {
return
R"(OpCapability Shader
OpMemoryModel Logical GLSL450
OpEntryPoint Fragment %main "main" %hue %saturation %value
OpExecutionMode %main OriginUpperLeft
OpName %main "main"
OpName %void_fn "void_fn"
OpName %hue "hue"
OpName %saturation "saturation"
OpName %value "value"
OpName %entry "entry"
OpName %Point "Point"
OpName %Camera "Camera"
)";
}
// Retuns types
std::string TypesAndFunctionsAssembly() {
return
R"(%void = OpTypeVoid
%void_fn = OpTypeFunction %void
%float = OpTypeFloat 32
%Point = OpTypeStruct %float %float %float
%Camera = OpTypeStruct %float %float
%_ptr_Input_float = OpTypePointer Input %float
%hue = OpVariable %_ptr_Input_float Input
%saturation = OpVariable %_ptr_Input_float Input
%value = OpVariable %_ptr_Input_float Input
%main = OpFunction %void None %void_fn
%entry = OpLabel
OpReturn
OpFunctionEnd
)";
}
struct FlattenDecorationCase {
// Names and decorations before the pass.
std::string input;
// Names and decorations after the pass.
std::string expected;
};
using FlattenDecorationTest =
PassTest<::testing::TestWithParam<FlattenDecorationCase>>;
TEST_P(FlattenDecorationTest, TransformsDecorations) {
const auto before =
PreambleAssembly() + GetParam().input + TypesAndFunctionsAssembly();
const auto after =
PreambleAssembly() + GetParam().expected + TypesAndFunctionsAssembly();
SinglePassRunAndCheck<FlattenDecorationPass>(before, after, false, true);
}
INSTANTIATE_TEST_SUITE_P(NoUses, FlattenDecorationTest,
::testing::ValuesIn(std::vector<FlattenDecorationCase>{
// No OpDecorationGroup
{"", ""},
// OpDecorationGroup without any uses, and
// no OpName.
{"%group = OpDecorationGroup\n", ""},
// OpDecorationGroup without any uses, and
// with OpName targeting it. Proves you must
// remove the names as well.
{"OpName %group \"group\"\n"
"%group = OpDecorationGroup\n",
""},
// OpDecorationGroup with decorations that
// target it, but no uses in OpGroupDecorate
// or OpGroupMemberDecorate instructions.
{"OpDecorate %group Flat\n"
"OpDecorate %group NoPerspective\n"
"%group = OpDecorationGroup\n",
""},
}));
INSTANTIATE_TEST_SUITE_P(OpGroupDecorate, FlattenDecorationTest,
::testing::ValuesIn(std::vector<FlattenDecorationCase>{
// One OpGroupDecorate
{"OpName %group \"group\"\n"
"OpDecorate %group Flat\n"
"OpDecorate %group NoPerspective\n"
"%group = OpDecorationGroup\n"
"OpGroupDecorate %group %hue %saturation\n",
"OpDecorate %hue Flat\n"
"OpDecorate %saturation Flat\n"
"OpDecorate %hue NoPerspective\n"
"OpDecorate %saturation NoPerspective\n"},
// Multiple OpGroupDecorate
{"OpName %group \"group\"\n"
"OpDecorate %group Flat\n"
"OpDecorate %group NoPerspective\n"
"%group = OpDecorationGroup\n"
"OpGroupDecorate %group %hue %value\n"
"OpGroupDecorate %group %saturation\n",
"OpDecorate %hue Flat\n"
"OpDecorate %value Flat\n"
"OpDecorate %saturation Flat\n"
"OpDecorate %hue NoPerspective\n"
"OpDecorate %value NoPerspective\n"
"OpDecorate %saturation NoPerspective\n"},
// Two group decorations, interleaved
{"OpName %group0 \"group0\"\n"
"OpName %group1 \"group1\"\n"
"OpDecorate %group0 Flat\n"
"OpDecorate %group1 NoPerspective\n"
"%group0 = OpDecorationGroup\n"
"%group1 = OpDecorationGroup\n"
"OpGroupDecorate %group0 %hue %value\n"
"OpGroupDecorate %group1 %saturation\n",
"OpDecorate %hue Flat\n"
"OpDecorate %value Flat\n"
"OpDecorate %saturation NoPerspective\n"},
// Decoration with operands
{"OpName %group \"group\"\n"
"OpDecorate %group Location 42\n"
"%group = OpDecorationGroup\n"
"OpGroupDecorate %group %hue %saturation\n",
"OpDecorate %hue Location 42\n"
"OpDecorate %saturation Location 42\n"},
}));
INSTANTIATE_TEST_SUITE_P(OpGroupMemberDecorate, FlattenDecorationTest,
::testing::ValuesIn(std::vector<FlattenDecorationCase>{
// One OpGroupMemberDecorate
{"OpName %group \"group\"\n"
"OpDecorate %group Flat\n"
"OpDecorate %group Offset 16\n"
"%group = OpDecorationGroup\n"
"OpGroupMemberDecorate %group %Point 1\n",
"OpMemberDecorate %Point 1 Flat\n"
"OpMemberDecorate %Point 1 Offset 16\n"},
// Multiple OpGroupMemberDecorate using the same
// decoration group.
{"OpName %group \"group\"\n"
"OpDecorate %group Flat\n"
"OpDecorate %group NoPerspective\n"
"OpDecorate %group Offset 8\n"
"%group = OpDecorationGroup\n"
"OpGroupMemberDecorate %group %Point 2\n"
"OpGroupMemberDecorate %group %Camera 1\n",
"OpMemberDecorate %Point 2 Flat\n"
"OpMemberDecorate %Camera 1 Flat\n"
"OpMemberDecorate %Point 2 NoPerspective\n"
"OpMemberDecorate %Camera 1 NoPerspective\n"
"OpMemberDecorate %Point 2 Offset 8\n"
"OpMemberDecorate %Camera 1 Offset 8\n"},
// Two groups of member decorations, interleaved.
// Decoration is with and without operands.
{"OpName %group0 \"group0\"\n"
"OpName %group1 \"group1\"\n"
"OpDecorate %group0 Flat\n"
"OpDecorate %group0 Offset 8\n"
"OpDecorate %group1 NoPerspective\n"
"OpDecorate %group1 Offset 16\n"
"%group0 = OpDecorationGroup\n"
"%group1 = OpDecorationGroup\n"
"OpGroupMemberDecorate %group0 %Point 0\n"
"OpGroupMemberDecorate %group1 %Point 2\n",
"OpMemberDecorate %Point 0 Flat\n"
"OpMemberDecorate %Point 0 Offset 8\n"
"OpMemberDecorate %Point 2 NoPerspective\n"
"OpMemberDecorate %Point 2 Offset 16\n"},
}));
INSTANTIATE_TEST_SUITE_P(UnrelatedDecorations, FlattenDecorationTest,
::testing::ValuesIn(std::vector<FlattenDecorationCase>{
// A non-group non-member decoration is untouched.
{"OpDecorate %hue Centroid\n"
"OpDecorate %saturation Flat\n",
"OpDecorate %hue Centroid\n"
"OpDecorate %saturation Flat\n"},
// A non-group member decoration is untouched.
{"OpMemberDecorate %Point 0 Offset 0\n"
"OpMemberDecorate %Point 1 Offset 4\n"
"OpMemberDecorate %Point 1 Flat\n",
"OpMemberDecorate %Point 0 Offset 0\n"
"OpMemberDecorate %Point 1 Offset 4\n"
"OpMemberDecorate %Point 1 Flat\n"},
// A non-group non-member decoration survives any
// replacement of group decorations.
{"OpName %group \"group\"\n"
"OpDecorate %group Flat\n"
"OpDecorate %hue Centroid\n"
"OpDecorate %group NoPerspective\n"
"%group = OpDecorationGroup\n"
"OpGroupDecorate %group %hue %saturation\n",
"OpDecorate %hue Flat\n"
"OpDecorate %saturation Flat\n"
"OpDecorate %hue Centroid\n"
"OpDecorate %hue NoPerspective\n"
"OpDecorate %saturation NoPerspective\n"},
// A non-group member decoration survives any
// replacement of group decorations.
{"OpDecorate %group Offset 0\n"
"OpDecorate %group Flat\n"
"OpMemberDecorate %Point 1 Offset 4\n"
"%group = OpDecorationGroup\n"
"OpGroupMemberDecorate %group %Point 0\n",
"OpMemberDecorate %Point 0 Offset 0\n"
"OpMemberDecorate %Point 0 Flat\n"
"OpMemberDecorate %Point 1 Offset 4\n"},
}));
} // namespace
} // namespace opt
} // namespace spvtools
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