LineLoopTest.cpp

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Author : Geoff Lang
Date : 2016-01-20 10:58:17
Hash : e0cc2a4a
Message : Enable all angle_end2end_tests targeting OpenGL and OpenGL ES backends. Added failure supressions and filed bugs for failing tests. BUG=angleproject:1145 BUG=angleproject:1289 BUG=angleproject:1291 BUG=angleproject:1292 BUG=angleproject:1293 BUG=angleproject:1296 Change-Id: Ida78ba855500fe8a6ce6154d43ee01520330e3b1 Reviewed-on: https://chromium-review.googlesource.com/322695 Reviewed-by: Corentin Wallez <cwallez@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org>

src/tests/gl_tests/LineLoopTest.cpp

//
// Copyright 2015 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.
//

#include "test_utils/ANGLETest.h"

using namespace angle;

class LineLoopTest : public ANGLETest
{
  protected:
    LineLoopTest()
    {
        setWindowWidth(256);
        setWindowHeight(256);
        setConfigRedBits(8);
        setConfigGreenBits(8);
        setConfigBlueBits(8);
        setConfigAlphaBits(8);
    }

    virtual void SetUp()
    {
        ANGLETest::SetUp();

        const std::string vsSource = SHADER_SOURCE
        (
            attribute highp vec4 position;

            void main(void)
            {
                gl_Position = position;
            }
        );

        const std::string fsSource = SHADER_SOURCE
        (
            uniform highp vec4 color;
            void main(void)
            {
                gl_FragColor = color;
            }
        );

        mProgram = CompileProgram(vsSource, fsSource);
        if (mProgram == 0)
        {
            FAIL() << "shader compilation failed.";
        }

        mPositionLocation = glGetAttribLocation(mProgram, "position");
        mColorLocation = glGetUniformLocation(mProgram, "color");

        glBlendFunc(GL_ONE, GL_ONE);
        glEnable(GL_BLEND);
        glClearColor(0.0f, 0.0f, 0.0f, 1.0f);

        ASSERT_GL_NO_ERROR();
    }

    virtual void TearDown()
    {
        glDeleteProgram(mProgram);

        ANGLETest::TearDown();
    }

    void runTest(GLenum indexType, GLuint indexBuffer, const GLvoid *indexPtr)
    {
        glClear(GL_COLOR_BUFFER_BIT);

        static const GLfloat loopPositions[] =
        {
             0.0f,  0.0f,
             0.0f,  0.0f,
             0.0f,  0.0f,
             0.0f,  0.0f,
             0.0f,  0.0f,
             0.0f,  0.0f,
            -0.5f, -0.5f,
            -0.5f,  0.5f,
             0.5f,  0.5f,
             0.5f, -0.5f
        };

        static const GLfloat stripPositions[] =
        {
            -0.5f, -0.5f,
            -0.5f,  0.5f,
             0.5f,  0.5f,
             0.5f, -0.5f
        };
        static const GLubyte stripIndices[] =
        {
            1, 0, 3, 2, 1
        };

        glUseProgram(mProgram);
        glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, indexBuffer);
        glEnableVertexAttribArray(mPositionLocation);
        glVertexAttribPointer(mPositionLocation, 2, GL_FLOAT, GL_FALSE, 0, loopPositions);
        glUniform4f(mColorLocation, 0.0f, 0.0f, 1.0f, 1.0f);
        glDrawElements(GL_LINE_LOOP, 4, indexType, indexPtr);

        glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
        glVertexAttribPointer(mPositionLocation, 2, GL_FLOAT, GL_FALSE, 0, stripPositions);
        glUniform4f(mColorLocation, 0, 1, 0, 1);
        glDrawElements(GL_LINE_STRIP, 5, GL_UNSIGNED_BYTE, stripIndices);

        std::vector<GLubyte> pixels(getWindowWidth() * getWindowHeight() * 4);
        glReadPixels(0, 0, getWindowWidth(), getWindowHeight(), GL_RGBA, GL_UNSIGNED_BYTE, &pixels[0]);

        ASSERT_GL_NO_ERROR();

        for (int y = 0; y < getWindowHeight(); y++)
        {
            for (int x = 0; x < getWindowWidth(); x++)
            {
                const GLubyte* pixel = &pixels[0] + ((y * getWindowWidth() + x) * 4);

                EXPECT_EQ(pixel[0], 0);
                EXPECT_EQ(pixel[1], pixel[2]);
                EXPECT_EQ(pixel[3], 255);
            }
        }
    }

    GLuint mProgram;
    GLint mPositionLocation;
    GLint mColorLocation;
};

TEST_P(LineLoopTest, LineLoopUByteIndices)
{
    // Disable D3D11 SDK Layers warnings checks, see ANGLE issue 667 for details
    // On Win7, the D3D SDK Layers emits a false warning for these tests.
    // This doesn't occur on Windows 10 (Version 1511) though.
    ignoreD3D11SDKLayersWarnings();

    static const GLubyte indices[] = { 0, 7, 6, 9, 8, 0 };
    runTest(GL_UNSIGNED_BYTE, 0, indices + 1);
}

TEST_P(LineLoopTest, LineLoopUShortIndices)
{
    // Disable D3D11 SDK Layers warnings checks, see ANGLE issue 667 for details
    ignoreD3D11SDKLayersWarnings();

    static const GLushort indices[] = { 0, 7, 6, 9, 8, 0 };
    runTest(GL_UNSIGNED_SHORT, 0, indices + 1);
}

TEST_P(LineLoopTest, LineLoopUIntIndices)
{
    if (!extensionEnabled("GL_OES_element_index_uint"))
    {
        return;
    }

    // Disable D3D11 SDK Layers warnings checks, see ANGLE issue 667 for details
    ignoreD3D11SDKLayersWarnings();

    static const GLuint indices[] = { 0, 7, 6, 9, 8, 0 };
    runTest(GL_UNSIGNED_INT, 0, indices + 1);
}

TEST_P(LineLoopTest, LineLoopUByteIndexBuffer)
{
    // Disable D3D11 SDK Layers warnings checks, see ANGLE issue 667 for details
    ignoreD3D11SDKLayersWarnings();

    static const GLubyte indices[] = { 0, 7, 6, 9, 8, 0 };

    GLuint buf;
    glGenBuffers(1, &buf);
    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buf);
    glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices, GL_STATIC_DRAW);

    runTest(GL_UNSIGNED_BYTE, buf, reinterpret_cast<const void *>(sizeof(GLubyte)));

    glDeleteBuffers(1, &buf);
}

TEST_P(LineLoopTest, LineLoopUShortIndexBuffer)
{
    // Disable D3D11 SDK Layers warnings checks, see ANGLE issue 667 for details
    ignoreD3D11SDKLayersWarnings();

    static const GLushort indices[] = { 0, 7, 6, 9, 8, 0 };

    GLuint buf;
    glGenBuffers(1, &buf);
    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buf);
    glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices, GL_STATIC_DRAW);

    runTest(GL_UNSIGNED_SHORT, buf, reinterpret_cast<const void *>(sizeof(GLushort)));

    glDeleteBuffers(1, &buf);
}

TEST_P(LineLoopTest, LineLoopUIntIndexBuffer)
{
    if (!extensionEnabled("GL_OES_element_index_uint"))
    {
        return;
    }

    // Disable D3D11 SDK Layers warnings checks, see ANGLE issue 667 for details
    ignoreD3D11SDKLayersWarnings();

    static const GLuint indices[] = { 0, 7, 6, 9, 8, 0 };

    GLuint buf;
    glGenBuffers(1, &buf);
    glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buf);
    glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices, GL_STATIC_DRAW);

    runTest(GL_UNSIGNED_INT, buf, reinterpret_cast<const void *>(sizeof(GLuint)));

    glDeleteBuffers(1, &buf);
}

// Use this to select which configurations (e.g. which renderer, which GLES major version) these tests should be run against.
ANGLE_INSTANTIATE_TEST(LineLoopTest, ES2_D3D9(), ES2_D3D11(), ES2_OPENGL(), ES2_OPENGLES());

kc3-lang/angle/src/tests/gl_tests/LineLoopTest.cpp

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kc3-lang/angle /src/tests/gl_tests/LineLoopTest.cpp