chromium/third_party/angle/src/tests/compiler_tests/Precise_test.cpp

//
// Copyright 2021 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Precise_test.cpp:
//   Test that precise produces the right number of NoContraction decorations in the generated
//   SPIR-V.
//

#include "GLSLANG/ShaderLang.h"
#include "angle_gl.h"
#include "common/spirv/spirv_instruction_parser_autogen.h"
#include "gtest/gtest.h"

spirv;

namespace
{
class PreciseTest : public testing::TestWithParam<bool>
{ … };

// Parse the SPIR-V and verify that there are as many NoContraction decorations as expected.
void PreciseTest::ValidateDecorations(const spirv::Blob &blob,
                                      size_t expectedNoContractionDecorationCount)
{ … }

// Test that precise on a local variable works.
TEST_F(PreciseTest, LocalVariable)
{ … }

// Test that precise on gl_Position works.
TEST_F(PreciseTest, Position)
{ … }

// Test that precise on function parameters and return value works.
TEST_F(PreciseTest, Functions)
{ … }

}  // anonymous namespace