/*-------------------------------------------------------------------------
 * drawElements Quality Program OpenGL ES 3.1 Module
 * -------------------------------------------------
 *
 * Copyright 2015 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 Sampler object state query tests
 *//*--------------------------------------------------------------------*/

#include "es31fSamplerStateQueryTests.hpp"
#include "glsTextureStateQueryTests.hpp"
#include "glsStateQueryUtil.hpp"
#include "glwEnums.hpp"

namespace deqp
{
namespace gles31
{
namespace Functional
{

using namespace gls::StateQueryUtil;
using namespace gls::TextureStateQueryTests;

static const char *getVerifierSuffix(QueryType type)
{
    switch (type)
    {
    case QUERY_SAMPLER_PARAM_FLOAT:
    case QUERY_SAMPLER_PARAM_FLOAT_VEC4:
        return "_float";

    case QUERY_SAMPLER_PARAM_INTEGER:
    case QUERY_SAMPLER_PARAM_INTEGER_VEC4:
        return "_integer";

    case QUERY_SAMPLER_PARAM_PURE_INTEGER:
    case QUERY_SAMPLER_PARAM_PURE_INTEGER_VEC4:
        return "_pure_int";

    case QUERY_SAMPLER_PARAM_PURE_UNSIGNED_INTEGER:
    case QUERY_SAMPLER_PARAM_PURE_UNSIGNED_INTEGER_VEC4:
        return "_pure_uint";

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

static bool isIsVectorQuery(TesterType tester)
{
    return tester == TESTER_TEXTURE_BORDER_COLOR;
}

static bool isExtendedParamQuery(TesterType tester)
{
    return tester == TESTER_TEXTURE_WRAP_S_CLAMP_TO_BORDER || tester == TESTER_TEXTURE_WRAP_T_CLAMP_TO_BORDER ||
           tester == TESTER_TEXTURE_WRAP_R_CLAMP_TO_BORDER;
}

SamplerStateQueryTests::SamplerStateQueryTests(Context &context)
    : TestCaseGroup(context, "sampler", "Sampler state query tests")
{
}

void SamplerStateQueryTests::init(void)
{
    using namespace gls::TextureStateQueryTests;

    static const QueryType scalarVerifiers[] = {
        QUERY_SAMPLER_PARAM_INTEGER,
        QUERY_SAMPLER_PARAM_FLOAT,
        QUERY_SAMPLER_PARAM_PURE_INTEGER,
        QUERY_SAMPLER_PARAM_PURE_UNSIGNED_INTEGER,
    };
    static const QueryType nonPureVerifiers[] = {
        QUERY_SAMPLER_PARAM_INTEGER,
        QUERY_SAMPLER_PARAM_FLOAT,
    };
    static const QueryType vectorVerifiers[] = {
        QUERY_SAMPLER_PARAM_INTEGER_VEC4,
        QUERY_SAMPLER_PARAM_FLOAT_VEC4,
        QUERY_SAMPLER_PARAM_PURE_INTEGER_VEC4,
        QUERY_SAMPLER_PARAM_PURE_UNSIGNED_INTEGER_VEC4,
    };

#define FOR_EACH_VERIFIER(VERIFIERS, X)                                                   \
    for (int verifierNdx = 0; verifierNdx < DE_LENGTH_OF_ARRAY(VERIFIERS); ++verifierNdx) \
    {                                                                                     \
        const char *verifierSuffix = getVerifierSuffix((VERIFIERS)[verifierNdx]);         \
        const QueryType verifier   = (VERIFIERS)[verifierNdx];                            \
        targetGroup->addChild(X);                                                         \
    }

    static const struct
    {
        const char *name;
        const char *desc;
        TesterType tester;
        bool newInGLES31;
    } states[] = {
        {"texture_wrap_s", "TEXTURE_WRAP_S", TESTER_TEXTURE_WRAP_S, false},
        {"texture_wrap_t", "TEXTURE_WRAP_T", TESTER_TEXTURE_WRAP_T, false},
        {"texture_wrap_r", "TEXTURE_WRAP_R", TESTER_TEXTURE_WRAP_R, false},
        {"texture_mag_filter", "TEXTURE_MAG_FILTER", TESTER_TEXTURE_MAG_FILTER, false},
        {"texture_min_filter", "TEXTURE_MIN_FILTER", TESTER_TEXTURE_MIN_FILTER, false},
        {"texture_min_lod", "TEXTURE_MIN_LOD", TESTER_TEXTURE_MIN_LOD, false},
        {"texture_max_lod", "TEXTURE_MAX_LOD", TESTER_TEXTURE_MAX_LOD, false},
        {"texture_compare_mode", "TEXTURE_COMPARE_MODE", TESTER_TEXTURE_COMPARE_MODE, false},
        {"texture_compare_func", "TEXTURE_COMPARE_FUNC", TESTER_TEXTURE_COMPARE_FUNC, false},
        {"texture_srgb_decode", "TEXTURE_SRGB_DECODE_EXT", TESTER_TEXTURE_SRGB_DECODE_EXT, true},
        {"texture_border_color", "TEXTURE_BORDER_COLOR", TESTER_TEXTURE_BORDER_COLOR, true},
        {"texture_wrap_s_clamp_to_border", "TEXTURE_WRAP_S_CLAMP_TO_BORDER", TESTER_TEXTURE_WRAP_S_CLAMP_TO_BORDER,
         true},
        {"texture_wrap_t_clamp_to_border", "TEXTURE_WRAP_T_CLAMP_TO_BORDER", TESTER_TEXTURE_WRAP_T_CLAMP_TO_BORDER,
         true},
        {"texture_wrap_r_clamp_to_border", "TEXTURE_WRAP_R_CLAMP_TO_BORDER", TESTER_TEXTURE_WRAP_R_CLAMP_TO_BORDER,
         true},
    };
    static const struct
    {
        const char *name;
        const char *desc;
        QueryType verifier;
    } pureSetters[] = {
        {"set_pure_int", "Set state with pure int", QUERY_SAMPLER_PARAM_PURE_INTEGER},
        {"set_pure_uint", "Set state with pure unsigned int", QUERY_SAMPLER_PARAM_PURE_UNSIGNED_INTEGER},
    };
    static const struct
    {
        const char *name;
        const char *desc;
        TesterType intTester;
        TesterType uintTester;
    } pureStates[] = {
        {"texture_wrap_s", "TEXTURE_WRAP_S", TESTER_TEXTURE_WRAP_S_SET_PURE_INT, TESTER_TEXTURE_WRAP_S_SET_PURE_UINT},
        {"texture_wrap_t", "TEXTURE_WRAP_T", TESTER_TEXTURE_WRAP_T_SET_PURE_INT, TESTER_TEXTURE_WRAP_T_SET_PURE_UINT},
        {"texture_wrap_r", "TEXTURE_WRAP_R", TESTER_TEXTURE_WRAP_R_SET_PURE_INT, TESTER_TEXTURE_WRAP_R_SET_PURE_UINT},
        {"texture_mag_filter", "TEXTURE_MAG_FILTER", TESTER_TEXTURE_MAG_FILTER_SET_PURE_INT,
         TESTER_TEXTURE_MAG_FILTER_SET_PURE_UINT},
        {"texture_min_filter", "TEXTURE_MIN_FILTER", TESTER_TEXTURE_MIN_FILTER_SET_PURE_INT,
         TESTER_TEXTURE_MIN_FILTER_SET_PURE_UINT},
        {"texture_min_lod", "TEXTURE_MIN_LOD", TESTER_TEXTURE_MIN_LOD_SET_PURE_INT,
         TESTER_TEXTURE_MIN_LOD_SET_PURE_UINT},
        {"texture_max_lod", "TEXTURE_MAX_LOD", TESTER_TEXTURE_MAX_LOD_SET_PURE_INT,
         TESTER_TEXTURE_MAX_LOD_SET_PURE_UINT},
        {"texture_compare_mode", "TEXTURE_COMPARE_MODE", TESTER_TEXTURE_COMPARE_MODE_SET_PURE_INT,
         TESTER_TEXTURE_COMPARE_MODE_SET_PURE_UINT},
        {"texture_compare_func", "TEXTURE_COMPARE_FUNC", TESTER_TEXTURE_COMPARE_FUNC_SET_PURE_INT,
         TESTER_TEXTURE_COMPARE_FUNC_SET_PURE_UINT},
        {"texture_srgb_decode", "TEXTURE_SRGB_DECODE_EXT", TESTER_TEXTURE_SRGB_DECODE_EXT_SET_PURE_INT,
         TESTER_TEXTURE_SRGB_DECODE_EXT_SET_PURE_UINT},
        // \note texture_border_color is already checked
        // \note texture_wrap_*_clamp_to_border brings no additional coverage
    };

    // set_value
    {
        tcu::TestCaseGroup *const targetGroup =
            new tcu::TestCaseGroup(m_testCtx, "set_value", "Set value and query it");
        addChild(targetGroup);

        for (int stateNdx = 0; stateNdx < DE_LENGTH_OF_ARRAY(states); ++stateNdx)
        {
            // already tested in gles3
            if (!states[stateNdx].newInGLES31)
                continue;

            if (isExtendedParamQuery(states[stateNdx].tester))
            {
                // no need to cover for all getters if the only thing new is the param name
                FOR_EACH_VERIFIER(nonPureVerifiers,
                                  createSamplerParamTest(m_testCtx, m_context.getRenderContext(),
                                                         std::string() + states[stateNdx].name + verifierSuffix,
                                                         states[stateNdx].desc, verifier, states[stateNdx].tester))
            }
            else if (isIsVectorQuery(states[stateNdx].tester))
            {
                FOR_EACH_VERIFIER(vectorVerifiers,
                                  createSamplerParamTest(m_testCtx, m_context.getRenderContext(),
                                                         std::string() + states[stateNdx].name + verifierSuffix,
                                                         states[stateNdx].desc, verifier, states[stateNdx].tester))
            }
            else
            {
                FOR_EACH_VERIFIER(scalarVerifiers,
                                  createSamplerParamTest(m_testCtx, m_context.getRenderContext(),
                                                         std::string() + states[stateNdx].name + verifierSuffix,
                                                         states[stateNdx].desc, verifier, states[stateNdx].tester))
            }
        }
    }

#undef FOR_EACH_VERIFIER

    // set_pure_uint
    // set_pure_int
    for (int setterNdx = 0; setterNdx < DE_LENGTH_OF_ARRAY(pureSetters); ++setterNdx)
    {
        tcu::TestCaseGroup *const targetGroup =
            new tcu::TestCaseGroup(m_testCtx, pureSetters[setterNdx].name, pureSetters[setterNdx].desc);
        addChild(targetGroup);

        for (int stateNdx = 0; stateNdx < DE_LENGTH_OF_ARRAY(pureStates); ++stateNdx)
        {
            const TesterType tester = (pureSetters[setterNdx].verifier == QUERY_SAMPLER_PARAM_PURE_INTEGER) ?
                                          (pureStates[stateNdx].intTester) :
                                      (pureSetters[setterNdx].verifier == QUERY_SAMPLER_PARAM_PURE_UNSIGNED_INTEGER) ?
                                          (pureStates[stateNdx].uintTester) :
                                          (TESTER_LAST);

            targetGroup->addChild(createSamplerParamTest(
                m_testCtx, m_context.getRenderContext(), std::string() + pureStates[stateNdx].name,
                pureStates[stateNdx].desc, pureSetters[setterNdx].verifier, tester));
        }
    }
}

} // namespace Functional
} // namespace gles31
} // namespace deqp