Function mapAstcError

lib/astc_codec.cpp:152–185

* @internal * @~English * @brief Map astcenc error code to KTX error code * * Asserts are fired on errors reflecting bad parameters passed by libktx * or astcenc compilation settings that do not permit correct operation. * * @param astc_error The error code to be mapped. * @return An equivalent KTX error code. */

 * @return An equivalent KTX error code.
 */
static ktx_error_code_e
mapAstcError(astcenc_error astc_error) {
    switch (astc_error) {
    case ASTCENC_SUCCESS:
        return KTX_SUCCESS;
    case ASTCENC_ERR_OUT_OF_MEM:
        return KTX_OUT_OF_MEMORY;
    case ASTCENC_ERR_BAD_BLOCK_SIZE: //[[fallthrough]];
    case ASTCENC_ERR_BAD_DECODE_MODE: //[[fallthrough]];
    case ASTCENC_ERR_BAD_FLAGS: //[[fallthrough]];
    case ASTCENC_ERR_BAD_PARAM: //[[fallthrough]];
    case ASTCENC_ERR_BAD_PROFILE: //[[fallthrough]];
    case ASTCENC_ERR_BAD_QUALITY: //[[fallthrough]];
    case ASTCENC_ERR_BAD_SWIZZLE:
        assert(false && "libktx passing bad parameter to astcenc");
        return KTX_INVALID_VALUE;
    case ASTCENC_ERR_BAD_CONTEXT:
        assert(false && "libktx has set up astcenc context incorrectly");
        return KTX_INVALID_OPERATION;
    case ASTCENC_ERR_BAD_CPU_FLOAT:
        assert(false && "Code compiled such that float operations do not meet codec's assumptions.");
        // Most likely compiled with fast math enabled.
        return KTX_INVALID_OPERATION;
    case ASTCENC_ERR_NOT_IMPLEMENTED:
        assert(false && "ASTCENC_BLOCK_MAX_TEXELS not enough for specified block size");
        return KTX_UNSUPPORTED_FEATURE;
    // gcc fails to detect that the switch handles all astcenc_error
    // enumerators and raises a return-type error, "control reaches end of
    // non-void function", hence this
    default:
        assert(false && "Unhandled astcenc error");
        return KTX_INVALID_OPERATION;
    }
}

/**
 * @memberof ktxTexture