1//
2// Copyright (C) 2016 Google, Inc.
3//
4// All rights reserved.
5//
6// Redistribution and use in source and binary forms, with or without
7// modification, are permitted provided that the following conditions
8// are met:
9//
10//    Redistributions of source code must retain the above copyright
11//    notice, this list of conditions and the following disclaimer.
12//
13//    Redistributions in binary form must reproduce the above
14//    copyright notice, this list of conditions and the following
15//    disclaimer in the documentation and/or other materials provided
16//    with the distribution.
17//
18//    Neither the name of Google Inc. nor the names of its
19//    contributors may be used to endorse or promote products derived
20//    from this software without specific prior written permission.
21//
22// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
25// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
26// COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
27// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
28// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
30// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
32// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33// POSSIBILITY OF SUCH DAMAGE.
34
35#include <memory>
36
37#include <gtest/gtest.h>
38
39#include "TestFixture.h"
40
41namespace glslangtest {
42namespace {
43
44using LinkTest = GlslangTest<
45    ::testing::TestWithParam<std::vector<std::string>>>;
46
47TEST_P(LinkTest, FromFile)
48{
49    const auto& fileNames = GetParam();
50    const size_t fileCount = fileNames.size();
51    const EShMessages controls = DeriveOptions(Source::GLSL, Semantics::OpenGL, Target::AST);
52    GlslangResult result;
53    result.validationResult = true;
54
55    // Compile each input shader file.
56    std::vector<std::unique_ptr<glslang::TShader>> shaders;
57    for (size_t i = 0; i < fileCount; ++i) {
58        std::string contents;
59        tryLoadFile(GlobalTestSettings.testRoot + "/" + fileNames[i],
60                    "input", &contents);
61        shaders.emplace_back(
62                new glslang::TShader(GetShaderStage(GetSuffix(fileNames[i]))));
63        auto* shader = shaders.back().get();
64        compile(shader, contents, "", controls);
65        result.shaderResults.push_back(
66            {fileNames[i], shader->getInfoLog(), shader->getInfoDebugLog()});
67    }
68
69    // Link all of them.
70    glslang::TProgram program;
71    for (const auto& shader : shaders) program.addShader(shader.get());
72    program.link(controls);
73    result.linkingOutput = program.getInfoLog();
74    result.linkingError = program.getInfoDebugLog();
75
76    std::ostringstream stream;
77    outputResultToStream(&stream, result, controls);
78
79    // Check with expected results.
80    const std::string expectedOutputFname =
81        GlobalTestSettings.testRoot + "/baseResults/" + fileNames.front() + ".out";
82    std::string expectedOutput;
83    tryLoadFile(expectedOutputFname, "expected output", &expectedOutput);
84
85    checkEqAndUpdateIfRequested(expectedOutput, stream.str(), expectedOutputFname);
86}
87
88// clang-format off
89INSTANTIATE_TEST_SUITE_P(
90    Glsl, LinkTest,
91    ::testing::ValuesIn(std::vector<std::vector<std::string>>({
92        {"mains1.frag", "mains2.frag", "noMain1.geom", "noMain2.geom"},
93        {"implicitArraySize.vert", "implicitArraySize.frag"},
94        {"implicitArraySizeBuiltin.vert", "implicitArraySizeBuiltin.geom"},
95        {"implicitArraySize1.geom", "implicitArraySize2.geom"},
96        {"noMain.vert", "mains.frag"},
97        {"link1.frag", "link2.frag", "link3.frag"},
98        {"recurse1.vert", "recurse1.frag", "recurse2.frag"},
99        {"300link.frag"},
100        {"300link2.frag"},
101        {"300link3.frag"},
102        {"empty.frag", "empty2.frag", "empty3.frag"},
103        {"150.tesc", "150.tese", "400.tesc", "400.tese", "410.tesc", "420.tesc", "420.tese"},
104        {"max_vertices_0.geom"},
105        {"contradict_0.geom", "contradict_1.geom"},
106        {"es-link1.frag", "es-link2.frag"},
107        {"missingBodies.vert"},
108        {"link.multiAnonBlocksInvalid.0.0.vert", "link.multiAnonBlocksInvalid.0.1.vert"},
109        {"link.multiAnonBlocksValid.0.0.vert", "link.multiAnonBlocksValid.0.1.vert"},
110        {"link.multiBlocksInvalid.0.0.vert", "link.multiBlocksInvalid.0.1.vert"},
111        {"link.multiBlocksValid.1.0.vert", "link.multiBlocksValid.1.1.vert"},
112        {"link.tesselation.vert", "link.tesselation.frag"},
113        {"link.tesselation.tese", "link.tesselation.tesc"},
114        {"link.redeclareBuiltin.vert", "link.redeclareBuiltin.geom"},
115    }))
116);
117// clang-format on
118
119}  // anonymous namespace
120}  // namespace glslangtest
121