/*-------------------------------------------------------------------------
 * drawElements Quality Program EGL Module
 * ---------------------------------------
 *
 * Copyright 2014 The Android Open Source Project
 *
 * 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.
 *
 *//*!
 * \file
 * \brief Choose config tests.
 *//*--------------------------------------------------------------------*/

#include "teglChooseConfigTests.hpp"
#include "teglChooseConfigReference.hpp"
#include "tcuTestLog.hpp"
#include "egluStrUtil.hpp"
#include "egluUtil.hpp"
#include "eglwLibrary.hpp"
#include "eglwEnums.hpp"
#include "deRandom.hpp"
#include "deStringUtil.hpp"
#include "deUniquePtr.hpp"
#include "deSTLUtil.hpp"

#include <vector>
#include <algorithm>
#include <string>
#include <set>
#include <map>

namespace deqp
{
namespace egl
{

using eglu::ConfigInfo;
using std::pair;
using std::set;
using std::string;
using std::vector;
using tcu::TestLog;
using namespace eglw;

namespace
{

string configListToString(const Library &egl, const EGLDisplay &display, const vector<EGLConfig> &configs)
{
    string str = "";
    for (vector<EGLConfig>::const_iterator cfgIter = configs.begin(); cfgIter != configs.end(); cfgIter++)
    {
        EGLConfig config = *cfgIter;
        EGLint configId  = eglu::getConfigID(egl, display, config);

        if (str.length() != 0)
            str += " ";

        str += de::toString(configId);
    }
    return str;
}

void logConfigAttrib(TestLog &log, EGLenum attrib, EGLint value)
{
    const std::string attribStr = eglu::getConfigAttribName(attrib);

    if (value == EGL_DONT_CARE)
    {
        log << TestLog::Message << "  " << attribStr << ": EGL_DONT_CARE" << TestLog::EndMessage;
        return;
    }

    log << TestLog::Message << "  " << attribStr << ": " << eglu::getConfigAttribValueStr(attrib, value)
        << TestLog::EndMessage;
}

bool configListEqual(const Library &egl, const EGLDisplay &display, const vector<EGLConfig> &as,
                     const vector<EGLConfig> &bs)
{
    if (as.size() != bs.size())
        return false;

    for (int configNdx = 0; configNdx < (int)as.size(); configNdx++)
    {
        if (as[configNdx] != bs[configNdx])
        {
            // Allow lists to differ if both configs are non-conformant
            const EGLint aCaveat = eglu::getConfigAttribInt(egl, display, as[configNdx], EGL_CONFIG_CAVEAT);
            const EGLint bCaveat = eglu::getConfigAttribInt(egl, display, bs[configNdx], EGL_CONFIG_CAVEAT);

            if (aCaveat != EGL_NON_CONFORMANT_CONFIG || bCaveat != EGL_NON_CONFORMANT_CONFIG)
                return false;
        }
    }

    return true;
}

} // namespace

class ChooseConfigCase : public TestCase
{
public:
    ChooseConfigCase(EglTestContext &eglTestCtx, const char *name, const char *description, bool checkOrder,
                     const EGLint *attributes)
        : TestCase(eglTestCtx, name, description)
        , m_checkOrder(checkOrder)
        , m_display(EGL_NO_DISPLAY)
    {
        // Parse attributes
        while (attributes[0] != EGL_NONE)
        {
            m_attributes.push_back(std::make_pair((EGLenum)attributes[0], (EGLint)attributes[1]));
            attributes += 2;
        }
    }

    ChooseConfigCase(EglTestContext &eglTestCtx, const char *name, const char *description, bool checkOrder,
                     const std::vector<std::pair<EGLenum, EGLint>> &attributes)
        : TestCase(eglTestCtx, name, description)
        , m_checkOrder(checkOrder)
        , m_attributes(attributes)
        , m_display(EGL_NO_DISPLAY)
    {
    }

    void init(void)
    {
        DE_ASSERT(m_display == EGL_NO_DISPLAY);
        m_display = eglu::getAndInitDisplay(m_eglTestCtx.getNativeDisplay());
    }

    void deinit(void)
    {
        m_eglTestCtx.getLibrary().terminate(m_display);
        m_display = EGL_NO_DISPLAY;
    }

    IterateResult iterate(void)
    {
        m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
        executeTest(m_attributes, m_checkOrder);
        return STOP;
    }

protected:
    ChooseConfigCase(EglTestContext &eglTestCtx, const char *name, const char *description, bool checkOrder)
        : TestCase(eglTestCtx, name, description)
        , m_checkOrder(checkOrder)
        , m_display(EGL_NO_DISPLAY)
    {
    }

    void executeTest(const std::vector<std::pair<EGLenum, EGLint>> &attributes, bool checkOrder)
    {
        const Library &egl = m_eglTestCtx.getLibrary();
        TestLog &log       = m_testCtx.getLog();

        // Build attributes for EGL
        vector<EGLint> attribList;
        for (vector<pair<EGLenum, EGLint>>::const_iterator i = attributes.begin(); i != attributes.end(); i++)
        {
            attribList.push_back(i->first);
            attribList.push_back(i->second);
        }
        attribList.push_back(EGL_NONE);

        // Print attribList to log
        log << TestLog::Message << "Attributes:" << TestLog::EndMessage;
        for (vector<pair<EGLenum, EGLint>>::const_iterator i = attributes.begin(); i != attributes.end(); i++)
            logConfigAttrib(log, i->first, i->second);

        std::vector<EGLConfig> resultConfigs;
        std::vector<EGLConfig> referenceConfigs;

        // Query from EGL implementation
        {
            EGLint numConfigs = 0;
            EGLU_CHECK_CALL(egl, chooseConfig(m_display, &attribList[0], DE_NULL, 0, &numConfigs));
            resultConfigs.resize(numConfigs);

            if (numConfigs > 0)
                EGLU_CHECK_CALL(egl, chooseConfig(m_display, &attribList[0], &resultConfigs[0],
                                                  (EGLint)resultConfigs.size(), &numConfigs));
        }

        // Build reference
        chooseConfigReference(egl, m_display, referenceConfigs, attributes);

        log << TestLog::Message << "Expected:\n  " << configListToString(egl, m_display, referenceConfigs)
            << TestLog::EndMessage;
        log << TestLog::Message << "Got:\n  " << configListToString(egl, m_display, resultConfigs)
            << TestLog::EndMessage;

        bool isSetMatch   = (set<EGLConfig>(resultConfigs.begin(), resultConfigs.end()) ==
                           set<EGLConfig>(referenceConfigs.begin(), referenceConfigs.end()));
        bool isExactMatch = configListEqual(egl, m_display, resultConfigs, referenceConfigs);
        bool isMatch      = isSetMatch && (checkOrder ? isExactMatch : true);

        if (isMatch)
            log << TestLog::Message << "Pass" << TestLog::EndMessage;
        else if (!isSetMatch)
            log << TestLog::Message << "Fail, configs don't match" << TestLog::EndMessage;
        else if (!isExactMatch)
            log << TestLog::Message << "Fail, got correct configs but in invalid order" << TestLog::EndMessage;

        if (!isMatch)
            m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Fail");
    }

    void fillDontCare(std::vector<std::pair<EGLenum, EGLint>> &attributes)
    {
        static const EGLenum dontCareAttributes[] = {EGL_TRANSPARENT_TYPE, EGL_COLOR_BUFFER_TYPE, EGL_RENDERABLE_TYPE,
                                                     EGL_SURFACE_TYPE};

        // Fill appropriate unused attributes with EGL_DONT_CARE
        for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(dontCareAttributes); ndx++)
        {
            bool found = false;
            for (size_t findNdx = 0; findNdx < attributes.size(); findNdx++)
                if (attributes[findNdx].first == dontCareAttributes[ndx])
                    found = true;

            if (!found)
                attributes.push_back(std::make_pair(dontCareAttributes[ndx], EGL_DONT_CARE));
        }
    }

    const bool m_checkOrder;
    vector<pair<EGLenum, EGLint>> m_attributes;

    EGLDisplay m_display;
};

class ChooseConfigSimpleCase : public ChooseConfigCase
{
protected:
    EGLint getValue(EGLenum name)
    {
        static const struct
        {
            EGLenum name;
            EGLint value;
        } attributes[] = {
            {EGL_BUFFER_SIZE, 0},
            {EGL_RED_SIZE, 0},
            {EGL_GREEN_SIZE, 0},
            {EGL_BLUE_SIZE, 0},
            {EGL_LUMINANCE_SIZE, 0},
            {EGL_ALPHA_SIZE, 0},
            {EGL_ALPHA_MASK_SIZE, 0},
            {EGL_BIND_TO_TEXTURE_RGB, EGL_DONT_CARE},
            {EGL_BIND_TO_TEXTURE_RGBA, EGL_DONT_CARE},
            {EGL_COLOR_BUFFER_TYPE, EGL_DONT_CARE},
            {EGL_CONFIG_CAVEAT, EGL_DONT_CARE},
            //{ EGL_CONFIG_ID, EGL_DONT_CARE        },
            {EGL_DEPTH_SIZE, 0},
            {EGL_LEVEL, 0},
            {EGL_MAX_SWAP_INTERVAL, EGL_DONT_CARE},
            {EGL_MIN_SWAP_INTERVAL, EGL_DONT_CARE},
            {EGL_NATIVE_RENDERABLE, EGL_DONT_CARE},
            {EGL_NATIVE_VISUAL_TYPE, EGL_DONT_CARE},
            {EGL_SAMPLE_BUFFERS, 0},
            {EGL_SAMPLES, 0},
            {EGL_STENCIL_SIZE, 0},
            {EGL_TRANSPARENT_TYPE, EGL_TRANSPARENT_RGB},
            {EGL_TRANSPARENT_RED_VALUE, 0},
            {EGL_TRANSPARENT_GREEN_VALUE, 0},
            {EGL_TRANSPARENT_BLUE_VALUE, 0},
            {EGL_CONFORMANT, EGL_OPENGL_ES_BIT},
            {EGL_RENDERABLE_TYPE, EGL_OPENGL_ES_BIT},
            {EGL_SURFACE_TYPE, EGL_WINDOW_BIT},
            {EGL_RECORDABLE_ANDROID, EGL_DONT_CARE},
            //{ EGL_CONFORMANT, EGL_OPENGL_BIT | EGL_OPENGL_ES_BIT | EGL_OPENGL_ES2_BIT | EGL_OPENVG_BIT    },
            //{ EGL_RENDERABLE_TYPE, EGL_OPENGL_BIT | EGL_OPENGL_ES_BIT | EGL_OPENGL_ES2_BIT | EGL_OPENVG_BIT    },
            //{ EGL_SURFACE_TYPE, EGL_WINDOW_BIT
            //                                | EGL_PIXMAP_BIT
            //                                | EGL_PBUFFER_BIT
            //                                | EGL_MULTISAMPLE_RESOLVE_BOX_BIT
            //                                | EGL_VG_ALPHA_FORMAT_PRE_BIT
            //                                | EGL_SWAP_BEHAVIOR_PRESERVED_BIT
            //                                | EGL_VG_COLORSPACE_LINEAR_BIT
            //                                }
        };

        if (name == EGL_CONFIG_ID)
        {
            de::Random rnd(0);
            vector<EGLConfig> configs = eglu::getConfigs(m_eglTestCtx.getLibrary(), m_display);
            return eglu::getConfigID(m_eglTestCtx.getLibrary(), m_display,
                                     configs[rnd.getInt(0, (int)configs.size() - 1)]);
        }
        else
        {
            for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(attributes); ndx++)
            {
                if (attributes[ndx].name == name)
                    return attributes[ndx].value;
            }
        }

        DE_ASSERT(false);
        return EGL_NONE;
    }

public:
    ChooseConfigSimpleCase(EglTestContext &eglTestCtx, const char *name, const char *description, EGLenum attribute,
                           bool checkOrder)
        : ChooseConfigCase(eglTestCtx, name, description, checkOrder)
        , m_attribute(attribute)
    {
    }

    TestCase::IterateResult iterate(void)
    {
        m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");

        {
            const Library &egl = m_eglTestCtx.getLibrary();
            if (m_attribute == EGL_RECORDABLE_ANDROID && !eglu::hasExtension(egl, m_display, "EGL_ANDROID_recordable"))
                TCU_THROW(NotSupportedError, "EGL_ANDROID_recordable is not supported");
        }

        std::vector<std::pair<EGLenum, EGLint>> attributes;
        attributes.push_back(std::pair<EGLenum, EGLint>(m_attribute, getValue(m_attribute)));

        fillDontCare(attributes);
        executeTest(attributes, m_checkOrder);

        return STOP;
    }

private:
    EGLenum m_attribute;
};

class ChooseConfigRandomCase : public ChooseConfigCase
{
public:
    ChooseConfigRandomCase(EglTestContext &eglTestCtx, const char *name, const char *description,
                           const set<EGLenum> &attribSet)
        : ChooseConfigCase(eglTestCtx, name, description, true)
        , m_attribSet(attribSet)
        , m_numIters(10)
        , m_iterNdx(0)
    {
    }

    void init(void)
    {
        ChooseConfigCase::init();
        m_iterNdx = 0;
        m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");

        // Remove unsupported attributes from the set
        if (!eglu::hasExtension(m_eglTestCtx.getLibrary(), m_display, "EGL_ANDROID_recordable"))
            m_attribSet.erase(EGL_RECORDABLE_ANDROID);
    }

    TestCase::IterateResult iterate(void)
    {
        m_testCtx.getLog() << TestLog::Message << "Iteration :" << m_iterNdx << TestLog::EndMessage;
        m_iterNdx += 1;

        // Build random list of attributes
        de::Random rnd(m_iterNdx);
        const int numAttribs = rnd.getInt(0, (int)m_attribSet.size() * 2);

        std::vector<std::pair<EGLenum, EGLint>> attributes = genRandomAttributes(m_attribSet, numAttribs, rnd);

        fillDontCare(attributes);
        executeTest(attributes, m_checkOrder);

        return m_iterNdx < m_numIters ? CONTINUE : STOP;
    }

    template <int MinVal, int MaxVal>
    static EGLint getInt(de::Random &rnd)
    {
        return rnd.getInt(MinVal, MaxVal);
    }

    static EGLint getBool(de::Random &rnd)
    {
        return rnd.getBool() ? EGL_TRUE : EGL_FALSE;
    }

    static EGLint getBufferType(de::Random &rnd)
    {
        static const EGLint types[] = {EGL_RGB_BUFFER, EGL_LUMINANCE_BUFFER};
        return rnd.choose<EGLint>(types, types + DE_LENGTH_OF_ARRAY(types));
    }

    static EGLint getConfigCaveat(de::Random &rnd)
    {
        static const EGLint caveats[] = {EGL_SLOW_CONFIG, EGL_NON_CONFORMANT_CONFIG};
        return rnd.choose<EGLint>(caveats, caveats + DE_LENGTH_OF_ARRAY(caveats));
    }

    static EGLint getApiBits(de::Random &rnd)
    {
        EGLint api = 0;
        api |= rnd.getBool() ? EGL_OPENGL_BIT : 0;
        api |= rnd.getBool() ? EGL_OPENGL_ES_BIT : 0;
        api |= rnd.getBool() ? EGL_OPENGL_ES2_BIT : 0;
        api |= rnd.getBool() ? EGL_OPENVG_BIT : 0;
        return api;
    }

    static EGLint getSurfaceType(de::Random &rnd)
    {
        EGLint bits = 0;
        bits |= rnd.getBool() ? EGL_WINDOW_BIT : 0;
        bits |= rnd.getBool() ? EGL_PIXMAP_BIT : 0;
        bits |= rnd.getBool() ? EGL_PBUFFER_BIT : 0;
        return bits;
    }

    struct AttribSpec
    {
        EGLenum attribute;
        EGLint (*getValue)(de::Random &rnd);
    };

    std::vector<std::pair<EGLenum, EGLint>> genRandomAttributes(const std::set<EGLenum> &attribSet, int numAttribs,
                                                                de::Random &rnd)
    {
        static const struct AttribSpec attributes[] = {
            {
                EGL_BUFFER_SIZE,
                ChooseConfigRandomCase::getInt<0, 32>,
            },
            {
                EGL_RED_SIZE,
                ChooseConfigRandomCase::getInt<0, 8>,
            },
            {
                EGL_GREEN_SIZE,
                ChooseConfigRandomCase::getInt<0, 8>,
            },
            {
                EGL_BLUE_SIZE,
                ChooseConfigRandomCase::getInt<0, 8>,
            },
            {
                EGL_LUMINANCE_SIZE,
                ChooseConfigRandomCase::getInt<0, 1>,
            },
            {
                EGL_ALPHA_SIZE,
                ChooseConfigRandomCase::getInt<0, 8>,
            },
            {
                EGL_ALPHA_MASK_SIZE,
                ChooseConfigRandomCase::getInt<0, 1>,
            },
            {
                EGL_BIND_TO_TEXTURE_RGB,
                ChooseConfigRandomCase::getBool,
            },
            {
                EGL_BIND_TO_TEXTURE_RGBA,
                ChooseConfigRandomCase::getBool,
            },
            {
                EGL_COLOR_BUFFER_TYPE,
                ChooseConfigRandomCase::getBufferType,
            },
            {
                EGL_CONFIG_CAVEAT,
                ChooseConfigRandomCase::getConfigCaveat,
            },
            //            { EGL_CONFIG_ID, 0/*special*/, },
            {
                EGL_CONFORMANT,
                ChooseConfigRandomCase::getApiBits,
            },
            {
                EGL_DEPTH_SIZE,
                ChooseConfigRandomCase::getInt<0, 32>,
            },
            {
                EGL_LEVEL,
                ChooseConfigRandomCase::getInt<0, 1>,
            },
            //            { EGL_MATCH_NATIVE_PIXMAP, EGL_NONE, },
            {
                EGL_MAX_SWAP_INTERVAL,
                ChooseConfigRandomCase::getInt<0, 2>,
            },
            {
                EGL_MIN_SWAP_INTERVAL,
                ChooseConfigRandomCase::getInt<0, 1>,
            },
            {
                EGL_NATIVE_RENDERABLE,
                ChooseConfigRandomCase::getBool,
            },
            //            { EGL_NATIVE_VISUAL_TYPE, EGL_DONT_CARE, },
            {
                EGL_RENDERABLE_TYPE,
                ChooseConfigRandomCase::getApiBits,
            },
            {
                EGL_SAMPLE_BUFFERS,
                ChooseConfigRandomCase::getInt<0, 1>,
            },
            {
                EGL_SAMPLES,
                ChooseConfigRandomCase::getInt<0, 1>,
            },
            {
                EGL_STENCIL_SIZE,
                ChooseConfigRandomCase::getInt<0, 1>,
            },
            {
                EGL_SURFACE_TYPE,
                ChooseConfigRandomCase::getSurfaceType,
            },
            //            { EGL_TRANSPARENT_TYPE, EGL_TRANSPARENT_RGB,},
            //            { EGL_TRANSPARENT_RED_VALUE, ChooseConfigRandomCase::getInt<0, 255>, },
            //            { EGL_TRANSPARENT_GREEN_VALUE, ChooseConfigRandomCase::getInt<0, 255>, },
            //            { EGL_TRANSPARENT_BLUE_VALUE, ChooseConfigRandomCase::getInt<0, 255>, },
            {
                EGL_RECORDABLE_ANDROID,
                ChooseConfigRandomCase::getBool,
            },
        };

        std::vector<std::pair<EGLenum, EGLint>> out;

        // Build list to select from
        std::vector<AttribSpec> candidates;
        for (int ndx = 0; ndx < (int)DE_LENGTH_OF_ARRAY(attributes); ndx++)
        {
            if (attribSet.find(attributes[ndx].attribute) != attribSet.end())
                candidates.push_back(attributes[ndx]);
        }

        for (int attribNdx = 0; attribNdx < numAttribs; attribNdx++)
        {
            AttribSpec spec = rnd.choose<AttribSpec>(candidates.begin(), candidates.end());
            out.push_back(std::make_pair(spec.attribute, spec.getValue(rnd)));
        }

        return out;
    }

private:
    std::set<EGLenum> m_attribSet;
    int m_numIters;
    int m_iterNdx;
};

class ColorComponentTypeCase : public ChooseConfigCase
{

public:
    ColorComponentTypeCase(EglTestContext &eglTestCtx, const char *name, EGLenum value)
        : ChooseConfigCase(eglTestCtx, name, "", true /* sorting order is validated */)
        , m_value(value)
    {
    }

    TestCase::IterateResult iterate(void)
    {
        m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");

        {
            const std::vector<std::string> extensions =
                eglu::getDisplayExtensions(m_eglTestCtx.getLibrary(), m_display);

            if (!de::contains(extensions.begin(), extensions.end(), "EGL_EXT_pixel_format_float"))
                TCU_THROW(NotSupportedError, "EGL_EXT_pixel_format_float is not supported");
        }

        {
            std::vector<std::pair<EGLenum, EGLint>> attributes;

            attributes.push_back(std::pair<EGLenum, EGLint>(EGL_COLOR_COMPONENT_TYPE_EXT, m_value));
            fillDontCare(attributes);

            executeTest(attributes, m_checkOrder);
        }

        return STOP;
    }

private:
    const EGLenum m_value;
};

ChooseConfigTests::ChooseConfigTests(EglTestContext &eglTestCtx)
    : TestCaseGroup(eglTestCtx, "choose_config", "eglChooseConfig() tests")
{
}

ChooseConfigTests::~ChooseConfigTests(void)
{
}

namespace
{

template <typename T, size_t N>
std::set<T> toSet(const T (&arr)[N])
{
    std::set<T> set;
    for (size_t i = 0; i < N; i++)
        set.insert(arr[i]);
    return set;
}

} // namespace

void ChooseConfigTests::init(void)
{
    // Single attributes
    {
        static const struct
        {
            EGLenum attribute;
            const char *testName;
        } attributes[] = {
            {EGL_BUFFER_SIZE, "buffer_size"},
            {EGL_RED_SIZE, "red_size"},
            {EGL_GREEN_SIZE, "green_size"},
            {EGL_BLUE_SIZE, "blue_size"},
            {EGL_LUMINANCE_SIZE, "luminance_size"},
            {EGL_ALPHA_SIZE, "alpha_size"},
            {EGL_ALPHA_MASK_SIZE, "alpha_mask_size"},
            {EGL_BIND_TO_TEXTURE_RGB, "bind_to_texture_rgb"},
            {EGL_BIND_TO_TEXTURE_RGBA, "bind_to_texture_rgba"},
            {EGL_COLOR_BUFFER_TYPE, "color_buffer_type"},
            {EGL_CONFIG_CAVEAT, "config_caveat"},
            {EGL_CONFIG_ID, "config_id"},
            {EGL_CONFORMANT, "conformant"},
            {EGL_DEPTH_SIZE, "depth_size"},
            {EGL_LEVEL, "level"},
            {EGL_MAX_SWAP_INTERVAL, "max_swap_interval"},
            {EGL_MIN_SWAP_INTERVAL, "min_swap_interval"},
            {EGL_NATIVE_RENDERABLE, "native_renderable"},
            {EGL_NATIVE_VISUAL_TYPE, "native_visual_type"},
            {EGL_RENDERABLE_TYPE, "renderable_type"},
            {EGL_SAMPLE_BUFFERS, "sample_buffers"},
            {EGL_SAMPLES, "samples"},
            {EGL_STENCIL_SIZE, "stencil_size"},
            {EGL_SURFACE_TYPE, "surface_type"},
            {EGL_TRANSPARENT_TYPE, "transparent_type"},
            {EGL_TRANSPARENT_RED_VALUE, "transparent_red_value"},
            {EGL_TRANSPARENT_GREEN_VALUE, "transparent_green_value"},
            {EGL_TRANSPARENT_BLUE_VALUE, "transparent_blue_value"},
            {EGL_RECORDABLE_ANDROID, "recordable_android"},
        };

        tcu::TestCaseGroup *simpleGroup = new tcu::TestCaseGroup(m_testCtx, "simple", "Simple tests");
        addChild(simpleGroup);

        tcu::TestCaseGroup *selectionGroup =
            new tcu::TestCaseGroup(m_testCtx, "selection_only", "Selection tests, order ignored");
        simpleGroup->addChild(selectionGroup);

        tcu::TestCaseGroup *sortGroup =
            new tcu::TestCaseGroup(m_testCtx, "selection_and_sort", "Selection and ordering tests");
        simpleGroup->addChild(sortGroup);

        for (int ndx = 0; ndx < (int)DE_LENGTH_OF_ARRAY(attributes); ndx++)
        {
            selectionGroup->addChild(new ChooseConfigSimpleCase(m_eglTestCtx, attributes[ndx].testName,
                                                                "Simple config selection case",
                                                                attributes[ndx].attribute, false));
            sortGroup->addChild(new ChooseConfigSimpleCase(m_eglTestCtx, attributes[ndx].testName,
                                                           "Simple config selection and sort case",
                                                           attributes[ndx].attribute, true));
        }
    }

    // Random
    {
        tcu::TestCaseGroup *randomGroup = new tcu::TestCaseGroup(m_testCtx, "random", "Random eglChooseConfig() usage");
        addChild(randomGroup);

        static const EGLenum rgbaSizes[] = {EGL_RED_SIZE, EGL_GREEN_SIZE, EGL_BLUE_SIZE, EGL_ALPHA_SIZE};
        randomGroup->addChild(
            new ChooseConfigRandomCase(m_eglTestCtx, "color_sizes", "Random color size rules", toSet(rgbaSizes)));

        static const EGLenum colorDepthStencilSizes[] = {EGL_RED_SIZE,   EGL_GREEN_SIZE, EGL_BLUE_SIZE,
                                                         EGL_ALPHA_SIZE, EGL_DEPTH_SIZE, EGL_STENCIL_SIZE};
        randomGroup->addChild(new ChooseConfigRandomCase(m_eglTestCtx, "color_depth_stencil_sizes",
                                                         "Random color, depth and stencil size rules",
                                                         toSet(colorDepthStencilSizes)));

        static const EGLenum bufferSizes[] = {EGL_BUFFER_SIZE, EGL_LUMINANCE_SIZE, EGL_ALPHA_MASK_SIZE, EGL_DEPTH_SIZE,
                                              EGL_STENCIL_SIZE};
        randomGroup->addChild(
            new ChooseConfigRandomCase(m_eglTestCtx, "buffer_sizes", "Various buffer size rules", toSet(bufferSizes)));

        static const EGLenum surfaceType[] = {EGL_NATIVE_RENDERABLE, EGL_SURFACE_TYPE};
        randomGroup->addChild(
            new ChooseConfigRandomCase(m_eglTestCtx, "surface_type", "Surface type rules", toSet(surfaceType)));

        static const EGLenum sampleBuffers[] = {EGL_SAMPLE_BUFFERS, EGL_SAMPLES};
        randomGroup->addChild(
            new ChooseConfigRandomCase(m_eglTestCtx, "sample_buffers", "Sample buffer rules", toSet(sampleBuffers)));

        // \note Not every attribute is supported at the moment
        static const EGLenum allAttribs[] = {
            EGL_BUFFER_SIZE,
            EGL_RED_SIZE,
            EGL_GREEN_SIZE,
            EGL_BLUE_SIZE,
            EGL_ALPHA_SIZE,
            EGL_ALPHA_MASK_SIZE,
            EGL_BIND_TO_TEXTURE_RGB,
            EGL_BIND_TO_TEXTURE_RGBA,
            EGL_COLOR_BUFFER_TYPE,
            EGL_CONFIG_CAVEAT,
            EGL_CONFIG_ID,
            EGL_CONFORMANT,
            EGL_DEPTH_SIZE,
            EGL_LEVEL,
            //            EGL_MATCH_NATIVE_PIXMAP,
            EGL_MAX_SWAP_INTERVAL,
            EGL_MIN_SWAP_INTERVAL,
            EGL_NATIVE_RENDERABLE,
            EGL_NATIVE_VISUAL_TYPE,
            EGL_RENDERABLE_TYPE,
            EGL_SAMPLE_BUFFERS,
            EGL_SAMPLES,
            EGL_STENCIL_SIZE,
            EGL_SURFACE_TYPE,
            EGL_TRANSPARENT_TYPE,
            //            EGL_TRANSPARENT_RED_VALUE,
            //            EGL_TRANSPARENT_GREEN_VALUE,
            //            EGL_TRANSPARENT_BLUE_VALUE,
            EGL_RECORDABLE_ANDROID,
        };
        randomGroup->addChild(new ChooseConfigRandomCase(m_eglTestCtx, "all", "All attributes", toSet(allAttribs)));
    }

    // EGL_EXT_pixel_format_float
    {
        de::MovePtr<tcu::TestCaseGroup> colorComponentTypeGroup(
            new tcu::TestCaseGroup(m_testCtx, "color_component_type_ext", "EGL_EXT_pixel_format_float tests"));

        colorComponentTypeGroup->addChild(new ColorComponentTypeCase(m_eglTestCtx, "dont_care", EGL_DONT_CARE));
        colorComponentTypeGroup->addChild(
            new ColorComponentTypeCase(m_eglTestCtx, "fixed", EGL_COLOR_COMPONENT_TYPE_FIXED_EXT));
        colorComponentTypeGroup->addChild(
            new ColorComponentTypeCase(m_eglTestCtx, "float", EGL_COLOR_COMPONENT_TYPE_FLOAT_EXT));

        addChild(colorComponentTypeGroup.release());
    }
}

} // namespace egl
} // namespace deqp