OES_standard_derivatives_test.cpp

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Author : Stuart Morgan
Date : 2019-08-14 12:25:12
Hash : 9d737966
Message : Standardize copyright notices to project style For all "ANGLE Project" copyrights, standardize to the format specified by the style guide. Changes: - "Copyright (c)" and "Copyright(c)" changed to just "Copyright". - Removed the second half of date ranges ("Y1Y1-Y2Y2"->"Y1Y1"). - Fixed a small number of files that had no copyright date using the initial commit year from the version control history. - Fixed one instance of copyright being "The ANGLE Project" rather than "The ANGLE Project Authors" These changes are applied both to the copyright of source file, and where applicable to copyright statements that are generated by templates. BUG=angleproject:3811 Change-Id: I973dd65e4ef9deeba232d5be74c768256a0eb2e5 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1754397 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>

src/tests/compiler_tests/OES_standard_derivatives_test.cpp

//
// Copyright 2018 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.
//
// OES_standard_derivatives_test.cpp:
//   Test for OES_standard_derivatives
//

#include "tests/test_utils/ShaderExtensionTest.h"

using OESStandardDerivativesTest = sh::ShaderExtensionTest;

namespace
{
const char OESPragma[] = "#extension GL_OES_standard_derivatives : require\n";

// Shader calling dFdx()
const char ESSL100_DfdxShader[] =
    R"(
    precision mediump float;
    varying float x;

    void main()
    {
        gl_FragColor = vec4(dFdx(x));
     })";

// Shader calling dFdy()
const char ESSL100_DfdyShader[] =
    R"(
    precision mediump float;
    varying float x;

    void main()
    {
        gl_FragColor = vec4(dFdy(x));
    })";

// Shader calling fwidth()
const char ESSL100_FwidthShader[] =
    R"(
    precision mediump float;
    varying float x;

    void main()
    {
        gl_FragColor = vec4(fwidth(x));
    })";

// Extension flag is required to compile properly. Expect failure when it is
// not present.
TEST_P(OESStandardDerivativesTest, CompileFailsWithoutExtension)
{
    mResources.OES_standard_derivatives = 0;
    InitializeCompiler();
    EXPECT_FALSE(TestShaderCompile(OESPragma));
}

// Extension directive is required to compile properly. Expect failure when
// it is not present.
TEST_P(OESStandardDerivativesTest, CompileFailsWithExtensionWithoutPragma)
{
    mResources.OES_standard_derivatives = 1;
    InitializeCompiler();
    EXPECT_FALSE(TestShaderCompile(""));
}

// With extension flag and extension directive, compiling succeeds.
// Also test that the extension directive state is reset correctly.
TEST_P(OESStandardDerivativesTest, CompileSucceedsWithExtensionAndPragma)
{
    mResources.OES_standard_derivatives = 1;
    InitializeCompiler();
    EXPECT_TRUE(TestShaderCompile(OESPragma));
    // Test reset functionality.
    EXPECT_FALSE(TestShaderCompile(""));
    EXPECT_TRUE(TestShaderCompile(OESPragma));
}

// The SL #version 100 shaders that are correct work similarly
// in both GL2 and GL3, with and without the version string.
INSTANTIATE_TEST_SUITE_P(
    CorrectESSL100Shaders,
    OESStandardDerivativesTest,
    Combine(Values(SH_GLES2_SPEC),
            Values(sh::ESSLVersion100),
            Values(ESSL100_DfdxShader, ESSL100_DfdyShader, ESSL100_FwidthShader)));

}  // anonymous namespace

kc3-lang/angle/src/tests/compiler_tests/OES_standard_derivatives_test.cpp

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kc3-lang/angle /src/tests/compiler_tests/OES_standard_derivatives_test.cpp