#include "common_def.h"
#include "bcn_common_api.h"

#ifdef USE_CMP
#include "bc1_cmp.h"
#endif

//=================================
// External Codecs For Base Testing
//=================================
#ifdef USE_BETSY
#include "./external/bc1_betsy.h"
#endif

#ifdef USE_ICBC
#include "./external/bc1_icbc.h"
#endif

#ifdef USE_RGBCX
// CMP setting ranges vs levels map as
//      quality   = Level 
//         0.0    = 0
//         0.1    = 1
//         0.2    = 2
//         ...
//         0.19   = 19
//         > 0.19 = 19
//
#include "./external/bc1_cmprgbcx.h"
#endif

#ifdef USE_INT
#include "./external/bc1_int.h"
#endif

#ifdef USE_STB
#include "./external/bc1_stb.h"
#endif

#ifdef USE_SQUISH
#include "./external/bc1_squish.h"
#endif

#ifdef USE_HUMUS
#include "./external/bc1_humus.h"
#endif

// Compress a BC1 block
static CGU_Vec2ui CompressBlockBC1_UNORM2(CGU_Vec4f rgbblockf[BLOCK_SIZE_4X4], CMP_BC15Options BC15options)
{
#if (defined(USE_CMP)||defined(USE_BETSY)||defined(USE_ICBC)||defined(USE_INT)||defined(USE_RGBCX)||defined(USE_SQUISH)||defined(USE_HUMUS))
#ifdef USE_CMP
    return CompressBlockBC1_NORMALIZED( rgbblockf,
                                        BC15options);
#endif
#ifdef USE_BETSY
    CGU_Vec3f rgbblock3f[BLOCK_SIZE_4X4];
    for (int i=0; i<= BLOCK_SIZE_4X4; i++)
        rgbblock3f[i] = rgbblockf[i].rgb;

    return CompressBlockBC1_BETSY(rgbblock3f, BC15options.m_fquality, BC15options.m_bIsSRGB);
#endif

#ifdef USE_ICBC
    return CompressBlockBC1_ICBC(rgbblockf, BC15options.m_fquality, BC15options.m_bIsSRGB);
#endif

#ifdef USE_INT
    return CompressBlockBC1_INT(rgbblockf, BC15options.m_fquality, BC15options.m_bIsSRGB);
#endif

#ifdef USE_RGBCX
    return CompressBlockBC1_RGBCX(rgbblockf, BC15options.m_fquality, BC15options.m_bIsSRGB);
#endif

#ifdef USE_STB
    return CompressBlockBC1_STB(rgbblockf, BC15options.m_fquality, BC15options.m_bIsSRGB);
#endif

#ifdef USE_SQUISH
    return CompressBlockBC1_SQUISH(rgbblockf, BC15options.m_fquality, BC15options.m_bIsSRGB);
#endif

#ifdef USE_HUMUS
    CGU_Vec3f rgbblock3f[BLOCK_SIZE_4X4];
    for (int i=0; i<= BLOCK_SIZE_4X4; i++)
        rgbblock3f[i] = rgbblockf[i].rgb;
    return CompressBlockBC1_HUMUS(rgbblock3f, BC15options.m_fquality, BC15options.m_bIsSRGB);
#endif
#else
    CMP_UNUSED(BC15options);
    CMP_UNUSED(rgbblockf);
    CGU_Vec2ui cmpBlock = {0,0};
    return cmpBlock;
#endif
}