/*-------------------------------------------------------------------------
 * 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 reference implementation.
 *//*--------------------------------------------------------------------*/

#include "teglChooseConfigReference.hpp"

#include "egluUtil.hpp"
#include "egluConfigInfo.hpp"
#include "egluStrUtil.hpp"
#include "eglwLibrary.hpp"
#include "eglwEnums.hpp"

#include "deSTLUtil.hpp"

#include <algorithm>
#include <vector>
#include <map>

namespace deqp
{
namespace egl
{

using namespace eglw;
using eglu::ConfigInfo;

enum Criteria
{
    CRITERIA_AT_LEAST = 0,
    CRITERIA_EXACT,
    CRITERIA_MASK,
    CRITERIA_SPECIAL,

    CRITERIA_LAST
};

enum SortOrder
{
    SORTORDER_NONE = 0,
    SORTORDER_SMALLER,
    SORTORDER_SPECIAL,

    SORTORDER_LAST
};

struct AttribRule
{
    EGLenum name;
    EGLint value;
    Criteria criteria;
    SortOrder sortOrder;

    AttribRule(void) : name(EGL_NONE), value(EGL_NONE), criteria(CRITERIA_LAST), sortOrder(SORTORDER_LAST)
    {
    }

    AttribRule(EGLenum name_, EGLint value_, Criteria criteria_, SortOrder sortOrder_)
        : name(name_)
        , value(value_)
        , criteria(criteria_)
        , sortOrder(sortOrder_)
    {
    }
};

class SurfaceConfig
{
private:
    static int getCaveatRank(EGLenum caveat)
    {
        switch (caveat)
        {
        case EGL_NONE:
            return 0;
        case EGL_SLOW_CONFIG:
            return 1;
        case EGL_NON_CONFORMANT_CONFIG:
            return 2;
        default:
            TCU_THROW(TestError,
                      (std::string("Unknown config caveat: ") + eglu::getConfigCaveatStr(caveat).toString()).c_str());
        }
    }

    static int getColorBufferTypeRank(EGLenum type)
    {
        switch (type)
        {
        case EGL_RGB_BUFFER:
            return 0;
        case EGL_LUMINANCE_BUFFER:
            return 1;
        case EGL_YUV_BUFFER_EXT:
            return 2;
        default:
            TCU_THROW(
                TestError,
                (std::string("Unknown color buffer type: ") + eglu::getColorBufferTypeStr(type).toString()).c_str());
        }
    }

    static int getYuvOrderRank(EGLenum order)
    {
        switch (order)
        {
        case EGL_NONE:
            return 0;
        case EGL_YUV_ORDER_YUV_EXT:
            return 1;
        case EGL_YUV_ORDER_YVU_EXT:
            return 2;
        case EGL_YUV_ORDER_YUYV_EXT:
            return 3;
        case EGL_YUV_ORDER_YVYU_EXT:
            return 4;
        case EGL_YUV_ORDER_UYVY_EXT:
            return 5;
        case EGL_YUV_ORDER_VYUY_EXT:
            return 6;
        case EGL_YUV_ORDER_AYUV_EXT:
            return 7;
        default:
            TCU_THROW(TestError, (std::string("Unknown YUV order: ") + eglu::getYuvOrderStr(order).toString()).c_str());
        }
    }

    static int getYuvPlaneBppValue(EGLenum bpp)
    {
        switch (bpp)
        {
        case EGL_YUV_PLANE_BPP_0_EXT:
            return 0;
        case EGL_YUV_PLANE_BPP_8_EXT:
            return 8;
        case EGL_YUV_PLANE_BPP_10_EXT:
            return 10;
        default:
            TCU_THROW(TestError,
                      (std::string("Unknown YUV plane BPP: ") + eglu::getYuvPlaneBppStr(bpp).toString()).c_str());
        }
    }

    static int getColorComponentTypeRank(EGLenum compType)
    {
        switch (compType)
        {
        case EGL_COLOR_COMPONENT_TYPE_FIXED_EXT:
            return 0;
        case EGL_COLOR_COMPONENT_TYPE_FLOAT_EXT:
            return 1;
        default:
            TCU_THROW(TestError, (std::string("Unknown color component type: ") +
                                  eglu::getColorComponentTypeStr(compType).toString())
                                     .c_str());
        }
    }

    typedef bool (*CompareFunc)(const SurfaceConfig &a, const SurfaceConfig &b);

    static bool compareCaveat(const SurfaceConfig &a, const SurfaceConfig &b)
    {
        return getCaveatRank((EGLenum)a.m_info.configCaveat) < getCaveatRank((EGLenum)b.m_info.configCaveat);
    }

    static bool compareColorBufferType(const SurfaceConfig &a, const SurfaceConfig &b)
    {
        return getColorBufferTypeRank((EGLenum)a.m_info.colorBufferType) <
               getColorBufferTypeRank((EGLenum)b.m_info.colorBufferType);
    }

    static bool compareYuvOrder(const SurfaceConfig &a, const SurfaceConfig &b)
    {
        return getYuvOrderRank((EGLenum)a.m_info.yuvOrder) < getYuvOrderRank((EGLenum)b.m_info.yuvOrder);
    }

    static bool compareColorComponentType(const SurfaceConfig &a, const SurfaceConfig &b)
    {
        return getColorComponentTypeRank((EGLenum)a.m_info.colorComponentType) <
               getColorComponentTypeRank((EGLenum)b.m_info.colorComponentType);
    }

    static bool compareColorBufferBits(const SurfaceConfig &a, const SurfaceConfig &b,
                                       const tcu::BVec4 &specifiedRGBColors, const tcu::BVec2 &specifiedLuminanceColors,
                                       bool yuvPlaneBppSpecified)
    {
        DE_ASSERT(a.m_info.colorBufferType == b.m_info.colorBufferType);
        switch (a.m_info.colorBufferType)
        {
        case EGL_RGB_BUFFER:
        {
            const tcu::IVec4 mask(specifiedRGBColors.cast<int32_t>());

            return (a.m_info.redSize * mask[0] + a.m_info.greenSize * mask[1] + a.m_info.blueSize * mask[2] +
                    a.m_info.alphaSize * mask[3]) > (b.m_info.redSize * mask[0] + b.m_info.greenSize * mask[1] +
                                                     b.m_info.blueSize * mask[2] + b.m_info.alphaSize * mask[3]);
        }

        case EGL_LUMINANCE_BUFFER:
        {
            const tcu::IVec2 mask(specifiedLuminanceColors.cast<int32_t>());

            return (a.m_info.luminanceSize * mask[0] + a.m_info.alphaSize * mask[1]) >
                   (b.m_info.luminanceSize * mask[0] + b.m_info.alphaSize * mask[1]);
        }

        case EGL_YUV_BUFFER_EXT:
            return yuvPlaneBppSpecified ? (a.m_info.yuvPlaneBpp > b.m_info.yuvPlaneBpp) : false;

        default:
            DE_ASSERT(false);
            return true;
        }
    }

    template <EGLenum Attribute>
    static bool compareAttributeSmaller(const SurfaceConfig &a, const SurfaceConfig &b)
    {
        return a.getAttribute(Attribute) < b.getAttribute(Attribute);
    }

public:
    SurfaceConfig(EGLConfig config, ConfigInfo &info) : m_config(config), m_info(info)
    {
    }

    EGLConfig getEglConfig(void) const
    {
        return m_config;
    }

    EGLint getAttribute(const EGLenum attribute) const
    {
        return m_info.getAttribute(attribute);
    }

    friend bool operator==(const SurfaceConfig &a, const SurfaceConfig &b)
    {
        const std::map<EGLenum, AttribRule> defaultRules = getDefaultRules();

        for (std::map<EGLenum, AttribRule>::const_iterator iter = defaultRules.begin(); iter != defaultRules.end();
             iter++)
        {
            const EGLenum attribute = iter->first;

            if (a.getAttribute(attribute) != b.getAttribute(attribute))
                return false;
        }
        return true;
    }

    bool compareTo(const SurfaceConfig &b, const tcu::BVec4 &specifiedRGBColors,
                   const tcu::BVec2 &specifiedLuminanceColors, bool yuvPlaneBppSpecified) const
    {
        static const SurfaceConfig::CompareFunc compareFuncs[] = {
            SurfaceConfig::compareCaveat,
            SurfaceConfig::compareColorComponentType,
            SurfaceConfig::compareColorBufferType,
            DE_NULL, // SurfaceConfig::compareColorBufferBits,
            SurfaceConfig::compareAttributeSmaller<EGL_BUFFER_SIZE>,
            SurfaceConfig::compareAttributeSmaller<EGL_SAMPLE_BUFFERS>,
            SurfaceConfig::compareAttributeSmaller<EGL_SAMPLES>,
            SurfaceConfig::compareAttributeSmaller<EGL_DEPTH_SIZE>,
            SurfaceConfig::compareAttributeSmaller<EGL_STENCIL_SIZE>,
            SurfaceConfig::compareAttributeSmaller<EGL_ALPHA_MASK_SIZE>,
            SurfaceConfig::compareYuvOrder,
            SurfaceConfig::compareAttributeSmaller<EGL_CONFIG_ID>};

        if (*this == b)
            return false; // std::sort() can compare object to itself.

        for (int ndx = 0; ndx < (int)DE_LENGTH_OF_ARRAY(compareFuncs); ndx++)
        {
            if (!compareFuncs[ndx])
            {
                if (compareColorBufferBits(*this, b, specifiedRGBColors, specifiedLuminanceColors,
                                           yuvPlaneBppSpecified))
                    return true;
                else if (compareColorBufferBits(b, *this, specifiedRGBColors, specifiedLuminanceColors,
                                                yuvPlaneBppSpecified))
                    return false;

                continue;
            }

            if (compareFuncs[ndx](*this, b))
                return true;
            else if (compareFuncs[ndx](b, *this))
                return false;
        }

        TCU_FAIL("Unable to compare configs - duplicate ID?");
    }

    static std::map<EGLenum, AttribRule> getDefaultRules(void)
    {
        // \todo [2011-03-24 pyry] From EGL 1.4 spec - check that this is valid for other versions as well
        std::map<EGLenum, AttribRule> rules;

        //                                    Attribute                                    Default                Selection Criteria    Sort Order            Sort Priority
        rules[EGL_BUFFER_SIZE]     = AttribRule(EGL_BUFFER_SIZE, 0, CRITERIA_AT_LEAST, SORTORDER_SMALLER);     //    4
        rules[EGL_RED_SIZE]        = AttribRule(EGL_RED_SIZE, 0, CRITERIA_AT_LEAST, SORTORDER_SPECIAL);        //    3
        rules[EGL_GREEN_SIZE]      = AttribRule(EGL_GREEN_SIZE, 0, CRITERIA_AT_LEAST, SORTORDER_SPECIAL);      //    3
        rules[EGL_BLUE_SIZE]       = AttribRule(EGL_BLUE_SIZE, 0, CRITERIA_AT_LEAST, SORTORDER_SPECIAL);       //    3
        rules[EGL_LUMINANCE_SIZE]  = AttribRule(EGL_LUMINANCE_SIZE, 0, CRITERIA_AT_LEAST, SORTORDER_SPECIAL);  //    3
        rules[EGL_ALPHA_SIZE]      = AttribRule(EGL_ALPHA_SIZE, 0, CRITERIA_AT_LEAST, SORTORDER_SPECIAL);      //    3
        rules[EGL_ALPHA_MASK_SIZE] = AttribRule(EGL_ALPHA_MASK_SIZE, 0, CRITERIA_AT_LEAST, SORTORDER_SMALLER); //    9
        rules[EGL_BIND_TO_TEXTURE_RGB] =
            AttribRule(EGL_BIND_TO_TEXTURE_RGB, EGL_DONT_CARE, CRITERIA_EXACT, SORTORDER_NONE);
        rules[EGL_BIND_TO_TEXTURE_RGBA] =
            AttribRule(EGL_BIND_TO_TEXTURE_RGBA, EGL_DONT_CARE, CRITERIA_EXACT, SORTORDER_NONE);
        rules[EGL_COLOR_BUFFER_TYPE] =
            AttribRule(EGL_COLOR_BUFFER_TYPE, EGL_RGB_BUFFER, CRITERIA_EXACT, SORTORDER_NONE); //    2
        rules[EGL_CONFIG_CAVEAT] =
            AttribRule(EGL_CONFIG_CAVEAT, EGL_DONT_CARE, CRITERIA_EXACT, SORTORDER_SPECIAL);                 //    1
        rules[EGL_CONFIG_ID]  = AttribRule(EGL_CONFIG_ID, EGL_DONT_CARE, CRITERIA_EXACT, SORTORDER_SMALLER); //    11
        rules[EGL_CONFORMANT] = AttribRule(EGL_CONFORMANT, 0, CRITERIA_MASK, SORTORDER_NONE);
        rules[EGL_DEPTH_SIZE] = AttribRule(EGL_DEPTH_SIZE, 0, CRITERIA_AT_LEAST, SORTORDER_SMALLER); //    7
        rules[EGL_LEVEL]      = AttribRule(EGL_LEVEL, 0, CRITERIA_EXACT, SORTORDER_NONE);
        rules[EGL_MAX_SWAP_INTERVAL] = AttribRule(EGL_MAX_SWAP_INTERVAL, EGL_DONT_CARE, CRITERIA_EXACT, SORTORDER_NONE);
        rules[EGL_MIN_SWAP_INTERVAL] = AttribRule(EGL_MIN_SWAP_INTERVAL, EGL_DONT_CARE, CRITERIA_EXACT, SORTORDER_NONE);
        rules[EGL_NATIVE_RENDERABLE] = AttribRule(EGL_NATIVE_RENDERABLE, EGL_DONT_CARE, CRITERIA_EXACT, SORTORDER_NONE);
        rules[EGL_NATIVE_VISUAL_TYPE] =
            AttribRule(EGL_NATIVE_VISUAL_TYPE, EGL_DONT_CARE, CRITERIA_EXACT, SORTORDER_SPECIAL); //    10
        rules[EGL_RENDERABLE_TYPE]  = AttribRule(EGL_RENDERABLE_TYPE, EGL_OPENGL_ES_BIT, CRITERIA_MASK, SORTORDER_NONE);
        rules[EGL_SAMPLE_BUFFERS]   = AttribRule(EGL_SAMPLE_BUFFERS, 0, CRITERIA_AT_LEAST, SORTORDER_SMALLER); //    5
        rules[EGL_SAMPLES]          = AttribRule(EGL_SAMPLES, 0, CRITERIA_AT_LEAST, SORTORDER_SMALLER);        //    6
        rules[EGL_STENCIL_SIZE]     = AttribRule(EGL_STENCIL_SIZE, 0, CRITERIA_AT_LEAST, SORTORDER_SMALLER);   //    8
        rules[EGL_SURFACE_TYPE]     = AttribRule(EGL_SURFACE_TYPE, EGL_WINDOW_BIT, CRITERIA_MASK, SORTORDER_NONE);
        rules[EGL_TRANSPARENT_TYPE] = AttribRule(EGL_TRANSPARENT_TYPE, EGL_NONE, CRITERIA_EXACT, SORTORDER_NONE);
        rules[EGL_TRANSPARENT_RED_VALUE] =
            AttribRule(EGL_TRANSPARENT_RED_VALUE, EGL_DONT_CARE, CRITERIA_EXACT, SORTORDER_NONE);
        rules[EGL_TRANSPARENT_GREEN_VALUE] =
            AttribRule(EGL_TRANSPARENT_GREEN_VALUE, EGL_DONT_CARE, CRITERIA_EXACT, SORTORDER_NONE);
        rules[EGL_TRANSPARENT_BLUE_VALUE] =
            AttribRule(EGL_TRANSPARENT_BLUE_VALUE, EGL_DONT_CARE, CRITERIA_EXACT, SORTORDER_NONE);

        // EGL_EXT_yuv_surface
        rules[EGL_YUV_ORDER_EXT] = AttribRule(EGL_YUV_ORDER_EXT, EGL_DONT_CARE, CRITERIA_EXACT, SORTORDER_SPECIAL);
        rules[EGL_YUV_NUMBER_OF_PLANES_EXT] =
            AttribRule(EGL_YUV_NUMBER_OF_PLANES_EXT, EGL_DONT_CARE, CRITERIA_EXACT, SORTORDER_NONE);
        rules[EGL_YUV_SUBSAMPLE_EXT] = AttribRule(EGL_YUV_SUBSAMPLE_EXT, EGL_DONT_CARE, CRITERIA_EXACT, SORTORDER_NONE);
        rules[EGL_YUV_DEPTH_RANGE_EXT] =
            AttribRule(EGL_YUV_DEPTH_RANGE_EXT, EGL_DONT_CARE, CRITERIA_EXACT, SORTORDER_NONE);
        rules[EGL_YUV_CSC_STANDARD_EXT] =
            AttribRule(EGL_YUV_CSC_STANDARD_EXT, EGL_DONT_CARE, CRITERIA_EXACT, SORTORDER_NONE);
        rules[EGL_YUV_PLANE_BPP_EXT] =
            AttribRule(EGL_YUV_PLANE_BPP_EXT, EGL_DONT_CARE, CRITERIA_AT_LEAST, SORTORDER_SPECIAL); //    3

        // EGL_EXT_pixel_format_float
        rules[EGL_COLOR_COMPONENT_TYPE_EXT] =
            AttribRule(EGL_COLOR_COMPONENT_TYPE_EXT, EGL_COLOR_COMPONENT_TYPE_FIXED_EXT, CRITERIA_EXACT,
                       SORTORDER_SPECIAL); //    2

        // EGL_ANDROID_recordable
        rules[EGL_RECORDABLE_ANDROID] =
            AttribRule(EGL_RECORDABLE_ANDROID, EGL_DONT_CARE, CRITERIA_EXACT, SORTORDER_NONE);

        return rules;
    }

private:
    EGLConfig m_config;
    ConfigInfo m_info;
};

class CompareConfigs
{
public:
    CompareConfigs(const tcu::BVec4 &specifiedRGBColors, const tcu::BVec2 &specifiedLuminanceColors,
                   bool yuvPlaneBppSpecified)
        : m_specifiedRGBColors(specifiedRGBColors)
        , m_specifiedLuminanceColors(specifiedLuminanceColors)
        , m_yuvPlaneBppSpecified(yuvPlaneBppSpecified)
    {
    }

    bool operator()(const SurfaceConfig &a, const SurfaceConfig &b)
    {
        return a.compareTo(b, m_specifiedRGBColors, m_specifiedLuminanceColors, m_yuvPlaneBppSpecified);
    }

private:
    const tcu::BVec4 m_specifiedRGBColors;
    const tcu::BVec2 m_specifiedLuminanceColors;
    const bool m_yuvPlaneBppSpecified;
};

class ConfigFilter
{
private:
    std::map<EGLenum, AttribRule> m_rules;

public:
    ConfigFilter() : m_rules(SurfaceConfig::getDefaultRules())
    {
    }

    void setValue(EGLenum name, EGLint value)
    {
        DE_ASSERT(de::contains(m_rules, name));
        m_rules[name].value = value;
    }

    void setValues(std::vector<std::pair<EGLenum, EGLint>> values)
    {
        for (size_t ndx = 0; ndx < values.size(); ndx++)
        {
            const EGLenum name = values[ndx].first;
            const EGLint value = values[ndx].second;

            setValue(name, value);
        }
    }

    AttribRule getAttribute(EGLenum name) const
    {
        DE_ASSERT(de::contains(m_rules, name));
        return m_rules.find(name)->second;
    }

    bool isMatch(const SurfaceConfig &config) const
    {
        bool match = true;
        for (std::map<EGLenum, AttribRule>::const_iterator iter = m_rules.begin(); iter != m_rules.end(); iter++)
        {
            const AttribRule rule = iter->second;

            if (rule.value == EGL_DONT_CARE)
                continue;
            else if (rule.name == EGL_MATCH_NATIVE_PIXMAP)
                TCU_CHECK(rule.value == EGL_NONE); // Not supported
            else if (rule.name == EGL_TRANSPARENT_RED_VALUE || rule.name == EGL_TRANSPARENT_GREEN_VALUE ||
                     rule.name == EGL_TRANSPARENT_BLUE_VALUE)
                continue;
            else
            {
                const EGLint cfgValue = config.getAttribute(rule.name);

                if (rule.name == EGL_CONFIG_ID)
                    return (rule.value == cfgValue);

                switch (rule.criteria)
                {
                case CRITERIA_EXACT:
                    if (rule.value != cfgValue)
                        match = false;
                    break;

                case CRITERIA_AT_LEAST:
                    if (rule.value > cfgValue)
                        match = false;
                    break;

                case CRITERIA_MASK:
                    if ((rule.value & cfgValue) != rule.value)
                        match = false;
                    break;

                default:
                    TCU_FAIL("Unknown criteria");
                }
            }
        }

        return match;
    }

    tcu::BVec4 getSpecifiedRGBColors(void) const
    {
        const EGLenum bitAttribs[] = {EGL_RED_SIZE, EGL_GREEN_SIZE, EGL_BLUE_SIZE, EGL_ALPHA_SIZE};

        tcu::BVec4 result;

        for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(bitAttribs); ndx++)
        {
            const EGLenum attrib = bitAttribs[ndx];
            const EGLint value   = getAttribute(attrib).value;

            if (value != 0 && value != EGL_DONT_CARE)
                result[ndx] = true;
            else
                result[ndx] = false;
        }

        return result;
    }

    tcu::BVec2 getSpecifiedLuminanceColors(void) const
    {
        const EGLenum bitAttribs[] = {EGL_LUMINANCE_SIZE, EGL_ALPHA_SIZE};

        tcu::BVec2 result;

        for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(bitAttribs); ndx++)
        {
            const EGLenum attrib = bitAttribs[ndx];
            const EGLint value   = getAttribute(attrib).value;

            if (value != 0 && value != EGL_DONT_CARE)
                result[ndx] = true;
            else
                result[ndx] = false;
        }

        return result;
    }

    bool isYuvPlaneBppSpecified(void) const
    {
        const EGLenum attrib = EGL_YUV_PLANE_BPP_EXT;
        const EGLint value   = getAttribute(attrib).value;

        return (value != 0) && (value != EGL_DONT_CARE);
    }

    std::vector<SurfaceConfig> filter(const std::vector<SurfaceConfig> &configs) const
    {
        std::vector<SurfaceConfig> out;

        for (std::vector<SurfaceConfig>::const_iterator iter = configs.begin(); iter != configs.end(); iter++)
        {
            if (isMatch(*iter))
                out.push_back(*iter);
        }

        return out;
    }
};

void chooseConfigReference(const Library &egl, EGLDisplay display, std::vector<EGLConfig> &dst,
                           const std::vector<std::pair<EGLenum, EGLint>> &attributes)
{
    // Get all configs
    std::vector<EGLConfig> eglConfigs = eglu::getConfigs(egl, display);

    // Config infos - including extension attributes
    std::vector<ConfigInfo> configInfos;
    configInfos.resize(eglConfigs.size());

    for (size_t ndx = 0; ndx < eglConfigs.size(); ndx++)
    {
        eglu::queryCoreConfigInfo(egl, display, eglConfigs[ndx], &configInfos[ndx]);
        eglu::queryExtConfigInfo(egl, display, eglConfigs[ndx], &configInfos[ndx]);
    }

    // Pair configs with info
    std::vector<SurfaceConfig> configs;
    for (size_t ndx = 0; ndx < eglConfigs.size(); ndx++)
        configs.push_back(SurfaceConfig(eglConfigs[ndx], configInfos[ndx]));

    // Filter configs
    ConfigFilter configFilter;
    configFilter.setValues(attributes);

    std::vector<SurfaceConfig> filteredConfigs = configFilter.filter(configs);

    // Sort configs
    std::sort(filteredConfigs.begin(), filteredConfigs.end(),
              CompareConfigs(configFilter.getSpecifiedRGBColors(), configFilter.getSpecifiedLuminanceColors(),
                             configFilter.isYuvPlaneBppSpecified()));

    // Write to dst list
    dst.resize(filteredConfigs.size());
    for (size_t ndx = 0; ndx < filteredConfigs.size(); ndx++)
        dst[ndx] = filteredConfigs[ndx].getEglConfig();
}

} // namespace egl
} // namespace deqp