/*-------------------------------------------------------------------------
 * drawElements Quality Program OpenGL ES 3.0 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 Compressed texture tests
 *//*--------------------------------------------------------------------*/

#include "es3fCompressedTextureTests.hpp"
#include "es3fASTCDecompressionCases.hpp"
#include "gluStrUtil.hpp"
#include "gluTextureUtil.hpp"
#include "tcuCompressedTexture.hpp"
#include "tcuVector.hpp"
#include "deStringUtil.hpp"

#include <string>

using std::string;
using tcu::CompressedTexFormat;
using tcu::CompressedTexture;
using tcu::IVec3;

namespace deqp
{
namespace gles3
{
namespace Functional
{

static const string getASTCFormatShortName(CompressedTexFormat format)
{
    DE_ASSERT(tcu::isAstcFormat(format));
    const IVec3 blockSize = tcu::getBlockPixelSize(format);
    DE_ASSERT(blockSize.z() == 1);

    return de::toString(blockSize.x()) + "x" + de::toString(blockSize.y()) +
           (tcu::isAstcSRGBFormat(format) ? "_srgb" : "");
}

CompressedTextureTests::CompressedTextureTests(Context &context)
    : TestCaseGroup(context, "compressed", "Compressed Texture Tests")
{
}

CompressedTextureTests::~CompressedTextureTests(void)
{
}

void CompressedTextureTests::init(void)
{
    // ASTC cases.
    {
        TestCaseGroup *const astcGroup = new TestCaseGroup(m_context, "astc", "ASTC Tests");
        addChild(astcGroup);

        // Block test cases.

        for (int astcTestTypeI = 0; astcTestTypeI < tcu::astc::BLOCK_TEST_TYPE_LAST; astcTestTypeI++)
        {
            const tcu::astc::BlockTestType astcTestType = (tcu::astc::BlockTestType)astcTestTypeI;
            TestCaseGroup *const testTypeGroup = new TestCaseGroup(m_context, getBlockTestTypeName(astcTestType),
                                                                   getBlockTestTypeDescription(astcTestType));
            astcGroup->addChild(testTypeGroup);

            for (int formatI = 0; formatI < tcu::COMPRESSEDTEXFORMAT_LAST; formatI++)
            {
                const CompressedTexFormat format = (CompressedTexFormat)formatI;

                if (!tcu::isAstcFormat(format))
                    continue;
                if (tcu::isAstcSRGBFormat(format) && tcu::astc::isBlockTestTypeHDROnly(astcTestType))
                    continue;

                testTypeGroup->addChild(new ASTCBlockCase2D(
                    m_context, getASTCFormatShortName(format).c_str(),
                    glu::getCompressedTextureFormatName(glu::getGLFormat(format)), astcTestType, format));
            }
        }

        // Image size/block size remainder cases.

        {
            TestCaseGroup *const blockSizeRemainderGroup =
                new TestCaseGroup(m_context, "block_size_remainder", "Test image size/block size remainders");
            astcGroup->addChild(blockSizeRemainderGroup);

            for (int formatI = 0; formatI < tcu::COMPRESSEDTEXFORMAT_LAST; formatI++)
            {
                const CompressedTexFormat format = (CompressedTexFormat)formatI;

                if (!tcu::isAstcFormat(format))
                    continue;

                blockSizeRemainderGroup->addChild(new ASTCBlockSizeRemainderCase2D(
                    m_context, getASTCFormatShortName(format).c_str(),
                    glu::getCompressedTextureFormatName(glu::getGLFormat(format)), format));
            }
        }
    }
}

} // namespace Functional
} // namespace gles3
} // namespace deqp